Head of Dropbox

🏢 Summary: Senior Mechanical Engineer role focused on designing and owning electromechanical assemblies for Zipline’s autonomous Dropbox delivery system. The position covers end-to-end mechanical development, validation, manufacturing support, and field reliability improvements for customer-facing unattended hardware. The role requires hands-on collaboration across engineering, manufacturing, suppliers, and operations in a high-reliability production environment. 🗂️ Requirements: End-to-end electromechanical hardware development experience, Mechanism and structural design expertise, Advanced CAD proficiency, GD&T and tolerance stack-up experience, FEA and mechanical analysis skills, Prototype and validation testing experience, Root-cause analysis and corrective action experience, Integration of PCBAs, motors, sensors, and embedded controls, Manufacturing and supplier collaboration experience, Ability to work on-site in South San Francisco, Willingness to travel for suppliers, testing, and deployments 📃 Skills: CAD, GD&T, FEA, DFM, DFA, PCBAs, Sensors, Actuators, Transmissions, Bearings, Kinematics, Telemetry, Embedded, Manufacturing, BOMs 🏢 Description: About Zipline Zipline is the world's largest and most experienced drone delivery service. We are on a mission to serve all humans equally by ensuring access to food, medicine and essential goods anytime, anywhere. We design, build, and operate the world's largest autonomous logistics system, delivering critical supplies quickly and reliably. Today, Zipline operates on four continents, makes a delivery somewhere in the world every 30 seconds, and has completed millions of deliveries to date, including blood, vaccines, medical supplies, food, and retail products. Our customers include the world's largest and most prominent healthcare systems, governments, retailers, restaurants and global businesses who rely on us to save lives, reduce emissions, increase economic opportunity, and provide delivery from point A to point B as fast as possible. The drone is only 15% of what we've built to enable seamless, reliable, global operations. Our system strengthens supply chains, reduces congestion, and gives people time back. With more than 140 million commercial autonomous miles safely flown, Zipline is redefining access to healthcare, consumer products, and food across the globe. We operate at a global scale and are looking for practical problem solvers who thrive on real-world challenges and rapid growth. Our team is motivated by building systems that have a direct, meaningful impact on people's lives and by scaling the future of logistics. We are seeking people who sculpt from first principles, enjoy facing adversity, and can do the impossible at record breaking speeds. About You and The Role Zipline builds and operates autonomous delivery systems that move critical goods reliably and safely. Dropbox is our customer-facing package-loading product that integrates mechatronics, sensors, electronics, access control, user interaction, and environmental protection so untrained users can hand off packages to our droids. Failures or slow service at Dropbox directly increase field escalations, maintenance cost, and delivery delays—this role changes fleet uptime and customer trust. As a Senior Mechanical Engineer on Dropbox, you will own the mechanical architecture and detailed design of key assemblies through validation, production ramp, and fleet operation. You will make architecture-level tradeoffs that balance safety, reliability, manufacturability, and serviceability for an unattended field-facing product. This is a hands-on, individual-contributor role responsible for designs that must meet high-cycle life, environmental exposure, and low-maintenance targets in real-world sites. What You'll Do - Own end-to-end mechanical scope for Dropbox assemblies: requirements, architecture, detailed CAD, drawings, specifications, BOMs, and production release. - Define success metrics for your systems and drive design choices to meet them. - Translate customer workflows, hazard analyses, and droid interfaces into mechanical requirements and verified designs. - Lead trade studies and system-level decisions across safety, reliability, cycle time, environmental performance, serviceability, DFM, DFA, cost, and schedule. - Create GD&T, datum strategy, alignment schemes, and tolerance stack-ups across complex electromechanical interfaces. - Perform first-principles analysis, hand calculations, kinematic analysis, fatigue and wear assessments, and FEA. - Integrate actuators, transmissions, bearings, sensors, PCBAs, connectors, harnesses, seals, and embedded controls into reliable assemblies. - Partner with Electrical, Embedded Software, Systems, Test, Reliability, Manufacturing, Operations, and Safety teams. - Prototype rapidly, run experiments and test campaigns, and use data to reduce technical risk. - Lead investigations of prototype, production, and field failures through root-cause analysis and corrective actions. - Work directly with suppliers, NPI, and Manufacturing to implement DFM/DFA changes and qualify production processes. - Use fleet telemetry, service records, and field observations to prioritize design improvements. - Mentor engineers and improve mechanical design best practices and documentation quality. What You'll Bring - Proven end-to-end ownership of electromechanical hardware through concept, validation, production ramp, and field deployment. - Deep mechanism and structure design experience with actuators, transmissions, bearings, seals, and high-cycle moving assemblies. - Strong mechanical fundamentals including hand calculations, FEA grounding, kinematics, bolted joints, materials, and tolerance analysis. - Advanced CAD skills managing system-level assemblies and drawing releases. - Demonstrated GD&T mastery and practical tolerance-stack experience. - Prototyping and testing experience with ability to convert data into design decisions. - Track record resolving complex hardware failures through disciplined root-cause analysis. - Experience integrating PCBAs, wiring harnesses, motors, sensors, and embedded controls into mechanical designs. - Experience working with suppliers and manufacturing to ship high-volume, high-reliability hardware. - Ability to work in-person in South San Francisco with regular travel to suppliers, manufacturers, test locations, and deployment sites. - Comfort working in customer-facing field systems with rapid escalation and production-support demands. - Strong engineering judgment, documentation discipline, and data-driven troubleshooting. What Success Looks Like - Delivered mechanical releases meeting reliability targets and production yield goals. - Reduced field service events and mean time to repair for owned assemblies. - Established validation coverage and supplier processes that shorten failure-to-fix cycles and lower service costs. What Else You Need to Know Zipline is an equal opportunity employer and prohibits discrimination and harassment of any type protected by law. We value diversity at Zipline and welcome applications from those who are traditionally underrepresented in tech.

🏢 Summary: Senior Hardware Test Engineer role focused on validating mechanical and electromechanical systems for autonomous delivery infrastructure. The position involves designing test methods, fixtures, automation, and reliability validation processes for Dropbox package-loading systems used in drone logistics operations. The role includes hands-on testing, failure analysis, instrumentation, and cross-functional collaboration from prototype through fleet deployment. 🗂️ Requirements: Experience owning mechanical or electromechanical hardware validation, Experience designing and building mechanical test rigs and automated cycle-test systems, Strong knowledge of statics, dynamics, kinematics, fatigue, wear, materials, bolted joints, tolerance analysis, and FEA, Advanced CAD and technical drawing skills, Experience with sensors and data-acquisition systems, Experience validating actuators, transmissions, bearings, seals, PCBAs, harnesses, and embedded controls, Expertise in experimental design, accelerated testing, and statistical confidence methods, Experience developing automated test and analysis tools using Python, Experience performing root cause analysis for complex hardware failures, Experience testing environmental durability, structural loads, abuse conditions, and fault recovery, Ability to translate field data into laboratory validation tests, Experience collaborating with suppliers, manufacturing, and engineering teams, Ability to work onsite in South San Francisco and travel as needed 📃 Skills: Python, CAD, FEA, PCBAs, Sensors, Instrumentation, DAQ, Kinematics, Statics, Dynamics, Tolerance, Automation, Embedded, Actuators, Bearings, Thermocouples, Accelerometers, Loadcells, Straingauges, Cameras 🏢 Description: About Zipline Zipline is the world's largest and most experienced drone delivery service. We are on a mission to serve all humans equally by ensuring access to food, medicine and essential goods anytime, anywhere. We design, build, and operate the world's largest autonomous logistics system, delivering critical supplies quickly and reliably. Today, Zipline operates on four continents, makes a delivery somewhere in the world every 30 seconds, and has completed millions of deliveries to date, including blood, vaccines, medical supplies, food, and retail products. Our customers include the world's largest and most prominent healthcare systems, governments, retailers, restaurants and global businesses who rely on us to save lives, reduce emissions, increase economic opportunity, and provide delivery from point A to point B as fast as possible. The drone is only 15% of what we've built to enable seamless, reliable, global operations. Our system strengthens supply chains, reduces congestion, and gives people time back. With more than 140 million commercial autonomous miles safely flown, Zipline is redefining access to healthcare, consumer products, and food across the globe. We operate at a global scale and are looking for practical problem solvers who thrive on real-world challenges and rapid growth. Our team is motivated by building systems that have a direct, meaningful impact on people's lives and by scaling the future of logistics. We are seeking people who sculpt from first principles, enjoy facing adversity, and can do the impossible at record breaking speeds. About You and The Role Zipline builds and operates autonomous delivery systems that move critical goods reliably and safely. Dropbox is our customer-facing package-loading product that integrates mechatronics, sensors, electronics, access control, user interaction, and environmental protection so untrained users can hand off packages to our droids. Failures or slow service at Dropbox directly increase field escalations, maintenance cost, and delivery delays. As a Senior Hardware Test Engineer on Dropbox, you will own mechanical-heavy test and validation for critical assemblies and system-level behaviors. You will develop the test methods, equipment, automation, and evidence needed to prove that Dropbox meets its functional, safety, reliability, environmental, and lifetime requirements. This is a hands-on individual-contributor role spanning test strategy, fixture design, instrumentation, experimental execution, data analysis, and failure investigation. You will work closely with design engineers while maintaining independent judgment about test adequacy, product risk, and release readiness. What You'll Do - Own end-to-end validation of Dropbox mechanisms, structures, enclosures, electromechanical assemblies, and mechanical interfaces from prototype through fleet deployment. - Translate product requirements, hazard analyses, field conditions, customer workflows, and known failure modes into measurable test requirements and pass/fail criteria. - Develop verification plans with clear coverage, traceability, sample sizes, margins, acceptance criteria, and exit gates. - Design, analyze, build, commission, and maintain test stands, fixtures, environmental setups, automated cycle rigs, and representative system test articles. - Select and integrate instrumentation such as load cells, torque sensors, displacement sensors, accelerometers, strain gauges, thermocouples, cameras, current sensors, and data-acquisition hardware. - Produce drawings, tolerance analyses, safety reviews, BOMs, assembly instructions, calibration procedures, and maintenance documentation for test equipment. - Apply free-body diagrams, hand calculations, tolerance analysis, kinematics, fatigue and wear models, and FEA to design test equipment and establish representative loading. - Develop tests covering structural strength, mechanism performance, high-cycle life, wear, ingress, contamination, corrosion, temperature, humidity, misuse, obstruction, package variation, installation variation, and fault recovery. - Validate interactions among mechanical hardware, actuators, sensors, electronics, embedded controls, packages, users, and droids. - Automate test execution, data collection, health monitoring, fault detection, and reporting using Python or equivalent tools. - Define sample sizes, acceleration factors, confidence levels, and statistical acceptance criteria that produce defensible reliability evidence. - Correlate bench and accelerated tests with field telemetry, returned hardware, service records, and observed environmental conditions. - Identify gaps between laboratory tests and field failures, then update test profiles to improve fidelity. - Lead structured failure investigations using physical inspection, teardown, dimensional measurements, logs, instrumentation, and fault-tree methods. - Distinguish product failures from fixture, instrumentation, software, setup, and operator-induced failures. - Partner with Mechanical, Electrical, Embedded Software, Systems, Reliability, Manufacturing, Operations, and Safety to drive failures to root cause and permanent corrective action. - Establish regression tests that detect hardware and software changes affecting mechanism performance, safety, or reliability. - Present test evidence, unresolved risks, and release recommendations clearly during design and readiness reviews. - Work directly with suppliers and manufacturing partners to validate components, tooling, processes, and production changes. - Mentor engineers and technicians in fixture design, instrumentation, experimental methods, test execution, and failure analysis. - Improve test throughput, repeatability, automation, lab utilization, and failure-to-answer time. What You'll Bring - Proven ownership of mechanical or electromechanical hardware validation through development, qualification, production ramp, and field deployment. - Deep hands-on experience designing and building mechanical test rigs, fixtures, instrumented assemblies, and automated cycle-test systems. - Strong mechanical fundamentals, including statics, dynamics, kinematics, fatigue, wear, materials, bolted joints, tolerance analysis, and FEA. - Advanced CAD and drawing skills for test equipment, fixtures, interfaces, and released hardware. - Practical experience selecting, installing, calibrating, and troubleshooting sensors and data-acquisition systems. - Experience validating mechanisms containing actuators, transmissions, bearings, seals, sensors, PCBAs, harnesses, and embedded controls. - Demonstrated expertise in experimental design, measurement uncertainty, repeatability, sample-size selection, accelerated testing, and statistical confidence. - Experience developing automated test and analysis tools using Python or an equivalent language. - Track record finding root causes for complex or intermittent failures and verifying that corrective actions prevent recurrence. - Experience testing environmental durability, high-cycle mechanisms, structural loads, abuse conditions, and fault recovery. - Ability to translate imperfect field data into representative laboratory tests and actionable engineering conclusions. - Experience working with design teams, suppliers, manufacturing, and technicians to execute test programs under aggressive schedules. - Clear written and verbal communication, including concise test plans, reproducible reports, and evidence-based readiness recommendations. - Location and logistics: this role is in person in South San Francisco with regular work in the lab. Travel to suppliers, manufacturers, test locations, and deployment sites is expected based on program needs. - Periodic off-hours support may be required during critical builds, test campaigns, production ramps, and field escalations. - Traits: mechanical curiosity, disciplined experimental practice, skepticism of weak evidence, calm troubleshooting, and willingness to remain with a problem until it is understood. What Success Looks Like - Delivered repeatable test systems and validation evidence that enabled Dropbox assemblies to meet their reliability and release targets. - Identified critical failure modes before fleet deployment and verified effective corrective actions. - Improved correlation between accelerated testing and field performance. - Reduced test cycle time, manual effort, and failure-to-answer time through better fixtures, automation, and analysis. - Established reusable test methods that increased validation coverage and supported production and fleet expansion. What Else You Need To Know Zipline is an equal opportunity employer and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws or our own sensibilities. We value diversity at Zipline and welcome applications from those who are traditionally underrepresented in tech. If you like the sound of this position but are not sure if you are the perfect fit, please apply!

🏢 Summary: Mechanical Engineering Manager role focused on leading the architecture, development, production, and field performance of Zipline’s customer-facing autonomous delivery Dropbox system. The position combines technical leadership and hands-on engineering across electromechanical systems, manufacturing, validation, and reliability for high-volume deployment. Candidates will manage a mechanical engineering team while driving product architecture, testing, production scaling, and cross-functional integration. 🗂️ Requirements: Experience managing and developing mechanical engineering teams, Experience leading electromechanical products from architecture through production and field deployment, Strong expertise in mechanisms, structures, actuators, sensors, and electronics integration, Knowledge of GD&T, tolerance analysis, materials, fatigue, wear, and FEA, Experience designing around PCBAs, harnesses, connectors, motors, and embedded control systems, Experience with sheet metal, injection-molded plastics, machined parts, castings, and extrusions, Experience with DFM, DFA, supplier engagement, and manufacturing ramp, Experience defining validation plans for safety, reliability, and environmental requirements, Experience resolving production or field failures using root-cause analysis, Strong written, verbal, and visual communication skills 📃 Skills: GD&T, FEA, DFM, DFA, PCBAs, NX, Sensors, Actuators, Motors, Harnessing, Mechanisms, Structures, Kinematics, Firmware, Telemetry, Injection-molding, Sheet-metal, Machining, Castings, Extrusions 🏢 Description: About Zipline Zipline is the world's largest and most experienced drone delivery service. We are on a mission to serve all humans equally by ensuring access to food, medicine and essential goods anytime, anywhere. We design, build, and operate the world's largest autonomous logistics system, delivering critical supplies quickly and reliably. Our customers include healthcare systems, governments, retailers, restaurants and global businesses who rely on us to save lives, reduce emissions, increase economic opportunity, and provide rapid delivery services. Our system strengthens supply chains, reduces congestion, and gives people time back. With more than 140 million commercial autonomous miles safely flown, Zipline is redefining access to healthcare, consumer products, and food across the globe. About You and The Role Dropbox is Zipline's customer-facing product through which partners load orders for autonomous pickup by Platform 2. Dropbox integrates package loading and validation, mechatronics, controlled access, handoff interfaces, sensors, electronics, environmental protection, and service features. It must be intuitive for an untrained user, safe around people, reliable over high cycle counts, and capable of operating unattended in demanding environments. Zipline is hiring a Mechanical Engineering Manager to lead the team responsible for the mechanical architecture, development, production, and field performance of Dropbox. You will manage and grow a team of mechanical engineers while partnering with Industrial Design, Electrical Engineering, Embedded Software, Systems, Test, Reliability, Manufacturing, Supply Chain, Deployment, Operations, and Product. You will own the current product and define the next generation required to support significantly larger deployment volumes. This is a player-coach role. You will set direction, develop engineers, and remain close enough to the hardware to guide architecture, review critical analyses, and help resolve the team's hardest technical problems. What You'll Do - Manage, mentor, and develop a high-performing team of mechanical engineers. - Hire exceptional engineers and establish clear ownership, technical direction, and execution plans. - Own the Dropbox mechanical architecture and roadmap from requirements through field deployment. - Lead development of the enclosure, structure, elevator, lid and access mechanisms, latches, package interfaces, droid interfaces, electronics packaging, harnessing, sealing, and service features. - Translate customer and system needs into mechanical requirements, interface definitions, and validation plans. - Drive system trades across safety, reliability, user experience, throughput, installation, serviceability, manufacturability, cost, and schedule. - Establish system-level datum structures, GD&T, alignment schemes, and tolerance strategies. - Integrate mechanical design with sensing and firmware behavior for motion control, homing, access control, obstruction detection, fault handling, and service recovery. - Guide the selection and integration of motors, actuators, transmissions, bearings, sensors, connectors, PCBAs, harnesses, and seals. - Ensure designs account for fatigue, wear, contamination, water ingress, corrosion, thermal variation, misuse, package variation, and installation variation. - Use first-principles analysis, hand calculations, tolerance analysis, kinematic analysis, FEA, prototypes, and testing to guide decisions. - Drive design reviews, DFMEAs, hazard assessments, fault-tree analyses, and risk-retirement plans. - Define component and system testing for functionality, lifetime, environmental exposure, abuse, obstruction, motion faults, package variation, and droid handoff. - Lead Dropbox through prototype builds, engineering validation, design validation, production validation, and volume ramp. - Partner with NPI, Manufacturing, Quality, Supply Chain, and suppliers to achieve scalable, high-yield production. - Drive DFM and DFA across sheet metal, injection-molded plastics, machined parts, castings, extrusions, seals, and electromechanical assemblies. - Lead responses to test, production, and field failures, including containment, root cause, corrective action, and permanent resolution. - Use field reliability, service, and telemetry data to prioritize product improvements. - Reduce failure rates, recovery time, maintenance burden, installation complexity, and total cost of ownership. What You'll Bring - Past success managing and developing an excellent team of mechanical engineers. - A record of hiring strong engineers and creating a culture of ownership, urgency, and technical rigor. - Experience leading first-of-a-kind electromechanical products from architecture through production and field deployment. - Significant direct technical contributions to mechanical product architecture earlier in your career. - Deep experience with mechanisms, structures, actuators, sensors, electronics integration, and high-cycle moving assemblies. - Strong fundamentals in hand calculations, GD&T, tolerance analysis, materials, fatigue, wear, bolted joints, and FEA. - Experience designing around PCBAs, harnesses, connectors, motors, transmissions, sensors, and embedded control systems. - Experience with sheet metal, injection-molded plastics, machined parts, castings, extrusions, seals, and relevant high-volume processes. - Demonstrated success with DFM, DFA, supplier engagement, inspection planning, and manufacturing ramp. - Experience defining validation plans and demonstrating safety, reliability, environmental, and lifetime requirements. - Experience resolving complex production or field failures through disciplined root-cause analysis. - Strong customer judgment and an understanding that usability, serviceability, and fault recovery are engineering requirements. - Excellent written, verbal, and visual communication skills. Nice to Have - Experience with outdoor, unattended, or customer-facing electromechanical products. - Experience in robotics, industrial automation, material handling, automotive, appliances, kiosks, or similar systems. - Experience designing powered mechanisms that operate around untrained users. - Experience with environmental sealing, drainage, condensation, corrosion, and wide-temperature operation. - Experience using fleet telemetry or reliability data to improve mechanical hardware. - Experience with Siemens NX. - Aerospace-, automotive-, medical-, or similarly rigorous validation experience. What Else You Need to Know Zipline is an equal opportunity employer and prohibits discrimination and harassment of any type. We value diversity at Zipline and welcome applications from those who are traditionally underrepresented in tech.

🏢 Summary: Test Engineering Manager role focused on leading end-to-end validation and test strategy for Zipline’s Dropbox autonomous delivery system. The position involves managing test engineering teams, building automated test infrastructure, driving reliability and failure analysis, and ensuring safe scalable deployment of electromechanical and robotic products. 🗂️ Requirements: Experience managing test/validation engineers for electromechanical or robotic products, Expertise in test rigs, fixtures, instrumentation, DAQ, and automated test equipment, Knowledge of mechanical hardware, sensors, electronics, embedded software, and controls, Experience with experimental design and statistical analysis, Ability to conduct root-cause analysis and implement corrective actions, Experience building test automation and analysis tools, Strong written and verbal communication skills, Ability to work onsite in South San Francisco, Experience with system-level validation for hardware and software products, Ability to scale test capabilities for production and fleet deployment 📃 Skills: Python, SQL, DAQ, Automation, Instrumentation, Electronics, Sensors, Embedded, Controls, Robotics, Telemetry, Statistics, Hardware, Manufacturing, Reliability 🏢 Description: About Zipline Zipline is the world's largest and most experienced drone delivery service. We are on a mission to serve all humans equally by ensuring access to food, medicine and essential goods anytime, anywhere. We design, build, and operate the world's largest autonomous logistics system, delivering critical supplies quickly and reliably. Today, Zipline operates on four continents, makes a delivery somewhere in the world every 30 seconds, and has completed millions of deliveries to date, including blood, vaccines, medical supplies, food, and retail products. Our customers include the world's largest and most prominent healthcare systems, governments, retailers, restaurants and global businesses who rely on us to save lives, reduce emissions, increase economic opportunity, and provide delivery from point A to point B as fast as possible. The drone is only 15% of what we've built to enable seamless, reliable, global operations. Our system strengthens supply chains, reduces congestion, and gives people time back. With more than 140 million commercial autonomous miles safely flown, Zipline is redefining access to healthcare, consumer products, and food across the globe. We operate at a global scale and are looking for practical problem solvers who thrive on real-world challenges and rapid growth. Our team is motivated by building systems that have a direct, meaningful impact on people's lives and by scaling the future of logistics. We are seeking people who sculpt from first principles, enjoy facing adversity, and can do the impossible at record breaking speeds.About You and The Role Zipline builds and operates autonomous delivery systems that move critical goods reliably and safely. Dropbox is our customer-facing package-loading product that integrates mechatronics, sensors, electronics, access control, user interaction, and environmental protection to enable untrained users to hand off packages to our droids. The Test Engineering Manager for Dropbox will lead a team that proves Dropbox is safe, reliable, and production-ready across development, qualification, and fleet deployment. You will own the test strategy, infrastructure, automation, and system-level evidence that determine whether Dropbox can scale to hundreds or thousands of sites, and you will convert field learnings into design and process changes that reduce failures in the field. What You'll Do Own end-to-end test and validation for Dropbox: define measurable success criteria, test coverage, traceability, and exit gates from prototype through production and fleet rollout. Lead and grow a team of test engineers: set technical standards, assign clear ownership, hire, and mentor engineers to deliver test scope on schedule. Translate product requirements, hazards, customer workflows, and failure modes into quantifiable test requirements and pass/fail criteria. Design and execute component, subsystem, and system-level tests that measure functionality, safety, reliability, lifetime, environmental exposure, misuse, packaging variation, and fault recovery. Build and maintain automated test stands, fixtures, instrumented rigs, DAQ, and analysis tooling to increase test throughput and repeatability. Define sample sizes, acceleration factors, confidence levels, and statistical acceptance criteria to produce defensible reliability evidence. Correlate lab and accelerated tests with production and field telemetry to validate test fidelity and update test profiles based on operational data. Establish regression and release-readiness testing that reliably catches hardware and software regressions before field deployment. Lead structured failure investigations and root-cause analysis; own corrective actions that feed into design, manufacturing, and deployment changes. Partner daily with Mechanical, Electrical, Embedded Software, Systems, Reliability, Manufacturing, and Operations to remove test-blockers and align release criteria. Deliver dashboards and metrics (coverage, MTBF, P95 latency for critical operations, failure rate per 1,000 cycles, test throughput) that make readiness and risk visible to stakeholders. Improve lab utilization, automation levels, and the speed at which the organization converts test evidence into product decisions. What You'll Bring Proven experience managing a team of test/validation engineers for complex electromechanical or robotic products through development, qualification, production, and field deployment. Hands-on expertise designing test rigs, fixtures, instrumentation, DAQ, and automated test equipment; comfortable operating and iterating lab hardware. Strong systems judgment across mechanical hardware, sensors, electronics, embedded software, controls, and user interactions. Demonstrated skill with experimental design and statistical analysis: defining sample sizes, confidence intervals, acceleration models, and correlating lab-to-field performance. Track record driving failure investigations to a root cause and implementing design or process changes that measurably reduce field failures. Experience building test automation and analysis tools (Python, SQL, or equivalent) and authoring reproducible test reports and dashboards. Clear written and verbal communication; able to present tradeoffs and readiness recommendations to engineering and product leadership. Operate at the intensity required by customer-facing, unattended field systems: prioritize rapid learning while enforcing safety and reliability gates. Location & logistics: this is an in-person role based in South San Francisco; regular onsite presence in the lab is required. Role will include travel to suppliers, manufacturers, test sites, and deployment sites as needed. Must-haves: proven ownership of system-level validation for hardware+software products and demonstrated ability to scale test capabilities to support production ramp and fleet expansion. What Else You Need To Know Zipline is an equal opportunity employer and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws or our own sensibilities. We value diversity at Zipline and welcome applications from those who are traditionally underrepresented in tech. If you like the sound of this position but are not sure if you are the perfect fit, please apply!

🏢 Summary: Lead the systems engineering team for autonomous drone logistics platforms, defining product architecture, verification, and safety-critical system capabilities at global scale. The role focuses on scaling autonomous aircraft operations, optimizing performance and safety, and driving cross-functional technical roadmaps for complex real-world environments. 🗂️ Requirements: Leadership experience delivering complex technical systems, Experience with safety-critical autonomous systems, Systems engineering expertise, Architecture and interface definition experience, Verification and validation planning experience, Fault-tolerant and fail-safe systems knowledge, Tradeoff analysis using models and metrics, Cross-functional communication skills, Team mentoring and technical leadership 📃 Skills: Systems, Autonomy, Architecture, Verification, Validation, Safety, FaultTolerance, Modeling, Optimization, Metrics, Testing, Regulatory, Hardware, Software, Logistics, Aerospace 🏢 Description: About Zipline Zipline is the world's largest and most experienced drone delivery service. We are on a mission to serve all humans equally by ensuring access to food, medicine and essential goods anytime, anywhere. We design, build, and operate the world's largest autonomous logistics system, delivering critical supplies quickly and reliably. Today, Zipline operates on four continents, makes a delivery somewhere in the world every 30 seconds, and has completed millions of deliveries to date, including blood, vaccines, medical supplies, food, and retail products. Our customers include the world's largest and most prominent healthcare systems, governments, retailers, restaurants and global businesses who rely on us to save lives, reduce emissions, increase economic opportunity, and provide delivery from point A to point B as fast as possible. The drone is only 15% of what we've built to enable seamless, reliable, global operations. Our system strengthens supply chains, reduces congestion, and gives people time back. With more than 140 million commercial autonomous miles safely flown, Zipline is redefining access to healthcare, consumer products, and food across the globe. We operate at a global scale and are looking for practical problem solvers who thrive on real-world challenges and rapid growth. Our team is motivated by building systems that have a direct, meaningful impact on people's lives and by scaling the future of logistics. We are seeking people who sculpt from first principles, enjoy facing adversity, and can do the impossible at record breaking speeds. About You and The Role You will lead the systems engineering team responsible for defining the product capabilities roadmap, decomposing those capabilities into concrete architectures engineering teams can deliver on, and system validation & verification of new capabilities across our current platforms as well as new and novel autonomous aircraft concepts. In 2026, we will scale Platform 2 deliveries per day by 10x while we ramp range by 5x - so, we'll fly 50x further every day than we do today. We'll do that while ramping into significantly more complex airspaces and environmental conditions across 5 metros in the US. Then, in 2027 we'll make a similar 10x+ jump while expanding across the globe. This is a key leadership position to find the right path for enabling safe scaling into complex environments, defining architectures to achieve safety and cost goals over hardware and software revisions, and balancing competing objectives such as range, acoustics, delivery throughput, and cost. What You'll Do Scope: Product level requirements, architecture and decomposition, verification plans, operational performance monitoring of key product attributes and functions including: - Network Optimization & Capacity - Aircraft Autonomy - Flight Performance - Operational Design Domain / Operating Envelope - Flight Reliability and Fault Management Responsibilities: - Serve as a trusted technical expert of high-reliability, safety-critical autonomous systems owning system level architecture, requirements, metrics, and test coverage to ensure product capabilities are delivered safely - Define interfaces and drive cross-disciplinary discussions to align on architectures - Develop frameworks and facilitate trade studies to optimize performance, safety, and cost - Create and maintain systems models and diagrams - Set standards for hardware and software releases and test requirements - Partner with safety engineering and regulatory teams to prove flight worthiness Leadership: - Grow and mentor a world-class Systems Engineering team and adjacent teams - Drive multi-year technical roadmap across the product What You'll Bring - Demonstrated leadership delivering complex technical solutions amid ambiguity and competing priorities - Track record of shipping high-reliability, safety-critical autonomous systems into real-world operation - Deep systems engineering experience with product requirements, architecture, interface definition, system decomposition, verification planning, and validation - Technical judgment in safety-critical autonomy including fail-safe, fault-tolerant, and fail-operative approaches - Experience making tradeoffs among safety, performance, cost, and operational constraints using models, metrics, and test evidence - Ability to develop technical leaders and communicate system decisions across engineering, safety, regulatory, and operational teams What Else You Need To Know Zipline is an equal opportunity employer and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. We value diversity and welcome applications from those traditionally underrepresented in tech. If you like the sound of this position but are not sure if you are the perfect fit, please apply.

🏢 Summary: Senior Software Engineer role focused on autonomy motion planning for large-scale drone delivery systems, developing real-time trajectory generation, decision-making, and safety-critical software for autonomous flight. The position involves optimization, simulation, and validation of autonomous systems operating in complex real-world environments. 🗂️ Requirements: Master's degree in Computer Science or related field, 3+ years building software for safety-critical systems, Experience with autonomous systems in aerospace, AV, or robotics, Strong proficiency in Rust, Strong proficiency in C++, Strong proficiency in C, Experience with real-time fault-tolerant embedded/Linux development, Expertise in planning and search algorithms, Experience with trajectory optimization and MPC, Hands-on experience with SIL/HIL simulation and log replay, Experience shipping production-grade autonomy systems, Ability to collaborate with perception, controls, and flight operations teams 📃 Skills: Rust, C++, C, Linux, MPC, A*, RRT*, SIL, HIL, Robotics, Autonomy, Simulation, Optimization, Embedded 🏢 Description: About Zipline Zipline is the world's largest and most experienced drone delivery service. We are on a mission to serve all humans equally by ensuring access to food, medicine and essential goods anytime, anywhere. We design, build, and operate the world's largest autonomous logistics system, delivering critical supplies quickly and reliably. Today, Zipline operates on four continents, makes a delivery somewhere in the world every 30 seconds, and has completed millions of deliveries to date, including blood, vaccines, medical supplies, food, and retail products. Our customers include the world's largest and most prominent healthcare systems, governments, retailers, restaurants and global businesses who rely on us to save lives, reduce emissions, increase economic opportunity, and provide delivery from point A to point B as fast as possible. The drone is only 15% of what we've built to enable seamless, reliable, global operations. Our system strengthens supply chains, reduces congestion, and gives people time back. With more than 140 million commercial autonomous miles safely flown, Zipline is redefining access to healthcare, consumer products, and food across the globe. We operate at a global scale and are looking for practical problem solvers who thrive on real-world challenges and rapid growth. Our team is motivated by building systems that have a direct, meaningful impact on people's lives and by scaling the future of logistics. We are seeking people who sculpt from first principles, enjoy facing adversity, and can do the impossible at record breaking speeds. About You and The Role Zipline operates the world's largest autonomous logistics system (ground or air) — and in the coming year, we will be hyper-scaling from thousands to tens of thousands of carefully coordinated drone deliveries in several dense, dynamic U.S. metros. Our Autonomy Motion Planning team is looking for a Senior Software Engineer who is passionate about developing autonomous systems for the real world. This role will explore cutting-edge approaches to decision making and trajectory planning that will enable more accurate and timely deliveries, putting you in the position to make critical product decisions that will shape our future architectures. What You'll Do - Build real-time trajectory generation and decision-making for autonomous flight (search-based, sampling, MPC, convex/non-convex optimization). - Tackle joint optimization across safety, energy, time, and reliability—balancing mission goals with vehicle constraints. - Plan in uncertain environments with complex dynamics: robustness to wind/turbulence, degraded sensors, and partial observability. - Design safety-critical software for avoiding obstacles and interfacing with humans while delivering and picking up packages. - Extend the autonomy stack for new aircraft and payloads; define clean interfaces with perception and controls. - Prove it before flight: large-scale sim, SIL/HIL, log replay, and fault-injection. - Mine real fleet data to validate safety metrics, improve models, and burn down long-tail failure modes. What You'll Bring - Master's degree in Computer Science or related field and 3+ years of experience building software for safety-critical systems (aerospace/AV/robotics). - Strong in Rust/C++/C for real-time, fault-tolerant code on embedded/Linux. - Depth in planning & search (e.g. A*/ anytime / RRT*/sampling), trajectory optimization/MPC—shipped on real robots/vehicles. - Hands-on with simulation at scale, SIL/HIL, log replay, and metrics-driven validation. - Evidence of shipping production-grade autonomy through ambiguous, noisy conditions—owning the last mile to reliability. - Systems thinker who collaborates tightly with perception, controls, and flight ops; crisp docs and design reviews. What Else You Need To Know Zipline is an equal opportunity employer and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws or our own sensibilities. We value diversity at Zipline and welcome applications from those who are traditionally underrepresented in tech. If you like the sound of this position but are not sure if you are the perfect fit, please apply!

🏢 Summary: Global Supply Manager role focused on end-to-end commodity strategy, supplier performance, and sourcing for mission-critical hardware supporting autonomous aircraft and logistics operations. The position involves supplier negotiations, qualification, manufacturing ramp execution, and cross-functional collaboration with engineering and operations teams. This is an onsite role in South San Francisco with regular supplier engagement and international travel. 🗂️ Requirements: 5+ years in sourcing, commodity management, or supplier leadership for high-reliability hardware production, Experience negotiating and managing multi-million-dollar supplier contracts, Technical expertise in electronics, motors, batteries, composites, or precision machining, Experience with supplier qualification and industrialization into volume production, Strong analytical skills in should-cost modeling and supplier risk analysis, Familiarity with AS9100/ISO9001 quality systems and traceability requirements, Ability to work onsite in South San Francisco, Willingness to travel 20–30% internationally and domestically 📃 Skills: Sourcing, Procurement, Negotiation, AS9100, ISO9001, PPAP, FAI, Analytics, Manufacturing, Industrialization, Composites, Electronics, Batteries, Machining, Avionics, SupplyChain, RiskManagement 🏢 Description: About Zipline Zipline is the world's largest and most experienced drone delivery service. We are on a mission to serve all humans equally by ensuring access to food, medicine and essential goods anytime, anywhere. We design, build, and operate the world's largest autonomous logistics system, delivering critical supplies quickly and reliably. Today, Zipline operates on four continents, makes a delivery somewhere in the world every 30 seconds, and has completed millions of deliveries to date, including blood, vaccines, medical supplies, food, and retail products. Our customers include the world's largest and most prominent healthcare systems, governments, retailers, restaurants and global businesses who rely on us to save lives, reduce emissions, increase economic opportunity, and provide delivery from point A to point B as fast as possible. The drone is only 15% of what we've built to enable seamless, reliable, global operations. Our system strengthens supply chains, reduces congestion, and gives people time back. With more than 140 million commercial autonomous miles safely flown, Zipline is redefining access to healthcare, consumer products, and food across the globe. We operate at a global scale and are looking for practical problem solvers who thrive on real-world challenges and rapid growth. Our team is motivated by building systems that have a direct, meaningful impact on people's lives and by scaling the future of logistics. We are seeking people who sculpt from first principles, enjoy facing adversity, and can do the impossible at record breaking speeds. About You and The Role We're hiring a Global Supply Manager to own end-to-end commodity strategy and supplier performance for mission-critical hardware that enables Zipline's autonomous aircraft and global delivery operations. You will operate at the intersection of manufacturing ramp execution, product engineering, and global sourcing—delivering reliable, scalable supply for systems where component failure or late deliveries directly impact flight operations and customer outcomes. This is an in-person role based at our HQ in South San Francisco with regular on-site supplier engagements and 20–30% travel to supplier sites across North America, Asia, and Europe. What You'll Do - Own one or more critical commodity/category portfolios end-to-end: sourcing strategy, supplier selection, contract terms, qualification, ramp to volume, and long-term supplier development. - Set and deliver measurable targets within your portfolio, including cost reduction, supplier on-time delivery improvements, quality reduction targets, qualification cycle-time, and ramp throughput milestones. - Lead competitive source selection and negotiations for multi-year, multi-million-dollar supply agreements. - Manage supplier qualification and performance through PPAP plans, scorecards, QBRs, corrective action plans, and on-site audits. - Integrate with Engineering, Supplier Industrialization, Manufacturing Operations, Materials Planning, and Program Management teams. - Architect and execute risk mitigation strategies and manage supply disruption responses. - Drive supplier cost-down and value-engineering initiatives. - Own supplier disputes, claims, and contractual compliance. What You'll Bring - 5+ years of hands-on sourcing, commodity management, or supplier leadership experience supporting high-reliability hardware production. - Proven track record negotiating and managing multi-million-dollar supplier contracts and delivering measurable outcomes. - Deep technical familiarity with at least one critical commodity area including electronics assemblies, motors, batteries, composites, or precision machining. - Experience driving supplier qualification and industrialization into volume production under aggressive schedules. - Strong analytical skills including should-cost modeling, total-cost-of-ownership analysis, spend segmentation, and supplier risk scoring. - Familiarity with supplier quality systems and regulatory/traceability requirements including AS9100/ISO9001 and FAI. - Must be based in or willing to work full-time onsite in South San Francisco. - Ability to travel 20–30% for supplier and site visits, including international travel. Major bonuses (not required) - Advanced degree in Engineering, Supply Chain, or Business. - Prior experience supporting flight-critical systems or battery supply chains. - Experience managing localization or vertical integration programs and global supplier portfolios. What Else You Need To Know Zipline is an equal opportunity employer and values diversity in the workplace.

🏢 Summary: Senior or Staff Electrical Engineer role focused on designing and owning autonomous delivery system electrical architectures for Zipline’s Dropbox product, from requirements and PCB design through validation, production ramp, and field deployment. The position involves hands-on work with power distribution, sensors, actuators, embedded systems, diagnostics, and reliability in demanding outdoor environments. Candidates will collaborate cross-functionally to improve safety, manufacturability, and long-term fleet performance. 🗂️ Requirements: Experience owning complex electrical or electromechanical products through production and deployment, Strong knowledge of analog, digital, power, sensor, motor interface, embedded system, and communication design, Experience designing electronics with motors, actuators, sensors, PCBAs, harnesses, connectors, and embedded controls, Experience with schematic capture, PCB reviews, component selection, tolerance analysis, and worst-case analysis, Hands-on experience with oscilloscopes, multimeters, logic analyzers, power analyzers, and data-acquisition equipment, Experience debugging power, signal integrity, connector, sensor, communication, or firmware interaction issues, Knowledge of ESD, EMI/EMC, thermal derating, vibration, ingress, corrosion, and connector reliability, Experience defining verification plans, fault-injection testing, and production acceptance criteria, Experience working with PCB, harness, component, and manufacturing suppliers, Experience implementing DFM, DFT, end-of-line testing, calibration, and manufacturing controls, Ability to analyze telemetry or test data using Python, SQL, MATLAB, or equivalent, Strong technical documentation and communication skills, Ability to work onsite in South San Francisco and travel as needed 📃 Skills: PCB, PCBAs, Analog, Digital, Embedded, Sensors, Actuators, Motors, Communications, Diagnostics, Python, SQL, MATLAB, C, C++, DFM, DFT, EMI, EMC, ESD, Telemetry, Firmware, Oscilloscopes, Multimeters, LogicAnalyzers, PowerAnalyzers, Electronics, Interconnects, Harnesses, Connectors 🏢 Description: About Zipline Zipline is the world's largest and most experienced drone delivery service. The company designs, builds, and operates autonomous logistics systems that deliver food, medicine, medical supplies, and retail products globally. Operations span four continents with millions of completed deliveries and more than 140 million commercial autonomous miles flown. About You and The Role Zipline builds and operates autonomous delivery systems that move critical goods reliably and safely. Dropbox is a customer-facing package-loading product that integrates mechatronics, sensors, electronics, access control, user interaction, firmware, and environmental protection so untrained users can hand off packages to autonomous delivery systems. As a Senior or Staff Electrical Engineer on Dropbox, you will own critical electrical systems from architecture and component selection through detailed design, validation, production ramp, and fleet operation. Responsibilities include power distribution, motor and actuator interfaces, sensing, PCBAs, wiring harnesses, connectors, grounding, protection, communications, and system diagnostics. Dropbox operates unattended in demanding field environments and around untrained users. Its electrical systems must tolerate weather, installation variation, power disturbances, mechanical motion, contamination, service activity, and repeated daily operation while remaining safe and easy to diagnose. You will work closely with Mechanical Engineering, Firmware, Systems, Safety, Test, Reliability, Manufacturing, Supply Chain, Deployment, and Operations. This is a hands-on individual-contributor role with responsibility for both detailed electrical design and system-level product outcomes. At the Staff level, responsibilities additionally include setting electrical architecture and technical direction across Dropbox generations, establishing reusable design standards, and leading resolution of complex cross-functional problems. What You'll Do - Own critical Dropbox electrical systems from requirements and architecture through production release and field deployment - Develop electrical architecture for power distribution, control electronics, sensors, actuators, user interfaces, communications, and service diagnostics - Translate product behavior, safety analyses, environmental conditions, mechanical interfaces, and field workflows into electrical requirements - Define electrical success metrics including power consumption, sensing coverage, fault-detection performance, environmental margin, production yield, and field reliability - Select and integrate sensors, motors, actuators, motor drivers, power supplies, converters, protection devices, connectors, harnesses, and communications interfaces - Design or guide development of PCBAs, schematics, layouts, cables, wiring harnesses, interconnects, and electrical assembly documentation - Own grounding and shielding strategy, connector architecture, thermal derating, and protection coordination - Design for electrical faults including overcurrent, short circuit, reverse polarity, overvoltage, undervoltage, brownouts, electrostatic discharge, and communication loss - Partner with Safety and Systems engineers to ensure hazards are controlled through architecture, protection, sensing, and fault response - Work closely with Mechanical Engineering on electronics packaging, cable routing, environmental sealing, thermal management, strain relief, and serviceability - Partner with Firmware engineers to define sensor behavior, actuator interfaces, motor control, telemetry, and recovery - Perform circuit analysis, power analysis, signal-integrity assessment, tolerance analysis, derating, and worst-case analysis - Build prototypes, perform bench testing, and use data to reduce technical risk - Develop validation plans covering electrical safety, environmental exposure, thermal cycling, vibration, ESD, EMI/EMC, and fault injection - Lead design reviews, DFMEAs, hazard reviews, and readiness reviews - Produce schematics, drawings, specifications, interface-control documents, BOMs, test requirements, and release documentation - Work directly with suppliers to qualify components, PCBAs, harnesses, connectors, power systems, and manufacturing processes - Support prototype builds, validation phases, production validation, and manufacturing ramp - Investigate test, production, and field failures using telemetry, logs, electrical measurements, and root-cause methods - Mentor engineers and establish electrical design and release best practices What You'll Bring - Proven ownership of complex electrical or electromechanical products through architecture, validation, production ramp, and deployment - Strong electrical engineering fundamentals across analog, digital, power, sensors, motor interfaces, embedded systems, and communications - Experience designing electronics for systems containing motors, actuators, sensors, PCBAs, harnesses, connectors, and embedded controls - Experience with power-distribution, grounding, shielding, protection, and interconnect architectures - Experience with schematic capture, PCB design reviews, component selection, tolerance analysis, and worst-case circuit analysis - Hands-on proficiency with oscilloscopes, multimeters, power analyzers, electronic loads, logic analyzers, current probes, and data-acquisition equipment - Experience debugging issues involving power, signal integrity, connectors, sensors, communications, or firmware interaction - Experience designing for outdoor, industrial, automotive, aerospace, robotics, appliance, or similarly demanding environments - Knowledge of environmental protection, thermal derating, ESD, EMI/EMC, ingress, corrosion, vibration, and connector reliability - Experience defining verification plans, fault-injection tests, and production acceptance criteria - Experience working directly with PCB, harness, component, and contract-manufacturing suppliers - Experience implementing DFM, DFT, end-of-line testing, calibration, and manufacturing controls - Ability to analyze telemetry or test data using Python, SQL, MATLAB, or equivalent tools - Strong systems judgment and ability to identify cross-domain root causes - Clear written, verbal, and visual communication skills - Role is onsite in South San Francisco with some travel required - Periodic off-hours support may be required during critical production and deployment activities Nice to Have - Experience with motor-control electronics, position sensing, safety interlocks, or automated mechanisms - Experience with batteries, solar power, or distributed low-voltage systems - Experience with functional safety principles or electronics operating around untrained users - Experience developing remote diagnostics, fleet-health monitoring, or automated failure-detection tools - Firmware experience in C/C++ or debugging embedded systems - Experience with high-volume electromechanical products What Success Looks Like - Electrical systems meet safety, reliability, environmental, and production requirements - Electrical releases achieve strong production yield without recurring integration issues - Sensors, actuators, interlocks, and fault responses operate predictably across configurations - Field electrical failures are detected quickly and permanently corrected - Manufacturing and deployment teams can build, install, and service systems efficiently - Electrical architecture supports future product capabilities without unnecessary redesign

🏢 Summary: Senior and Staff Perception Engineer roles focused on building and deploying production-grade computer vision and deep learning systems for autonomous drone delivery. The position involves developing cloud and onboard perception models, large-scale semantic and 3D mapping systems, and validation infrastructure for safety-critical logistics operations. Engineers will work on real-world autonomy challenges using aerial survey data, distributed training systems, and modern ML architectures. 🗂️ Requirements: 5+ years experience for Senior or 8+ years for Staff in deep learning-based perception systems, Experience with 3D geometry, semantic understanding, or remote sensing mapping, Strong knowledge of classical computer vision, Experience with CNN, transformer, and foundation model architectures, Experience building and deploying production ML systems, Experience with training, annotation, and evaluation pipelines, Ability to work with distributed training and data infrastructure, Experience in robotics or autonomy applications required for Staff, Roadmapping and technical leadership experience for Staff 📃 Skills: Python, ComputerVision, DeepLearning, CNN, Transformers, Segmentation, Geometry, Mapping, Calibration, Epipolar, StructureFromMotion, GaussianSplats, Robotics, Autonomy, GPU, Cloud, DistributedTraining, ML, Perception 🏢 Description: About Zipline Zipline is the world's largest and most experienced drone delivery service. We are on a mission to serve all humans equally by ensuring access to food, medicine and essential goods anytime, anywhere. We design, build, and operate the world's largest autonomous logistics system, delivering critical supplies quickly and reliably. Today, Zipline operates on four continents, makes a delivery somewhere in the world every 30 seconds, and has completed millions of deliveries to date, including blood, vaccines, medical supplies, food, and retail products. Our customers include the world's largest and most prominent healthcare systems, governments, retailers, restaurants and global businesses who rely on us to save lives, reduce emissions, increase economic opportunity, and provide delivery from point A to point B as fast as possible. The drone is only 15% of what we've built to enable seamless, reliable, global operations. Our system strengthens supply chains, reduces congestion, and gives people time back. With more than 140 million commercial autonomous miles safely flown, Zipline is redefining access to healthcare, consumer products, and food across the globe. We operate at a global scale and are looking for practical problem solvers who thrive on real-world challenges and rapid growth. Our team is motivated by building systems that have a direct, meaningful impact on people's lives and by scaling the future of logistics. We are seeking people who sculpt from first principles, enjoy facing adversity, and can do the impossible at record breaking speeds. About You and The Role Zipline is operating the world's largest autonomous logistics network—delivering critical medical and commercial goods globally with high reliability, precision, and scale. As we expand into increasingly complex, safety-critical environments, the systems behind our autonomy stack must be robust, adaptable, and deeply integrated—especially at the intersection of perception and deployment. Our operational scale makes this a Physical AI opportunity like no other. We're hiring senior and staff perception engineers to join our Droid team, the group responsible for the autonomy that powers Zipline's backyard delivery experience. This team owns the full stack of onboard, offboard and cloud-side perception systems that inform, validate, and augment our onboard autonomy. From generating rich 3D and semantic priors from aerial survey data to learning customer preferences and terrain features at scale, your work will define how we enable Zipline aircraft to scale mission-critical deliveries across complex, real-world environments. This is not a purely research role—you'll be expected to move fast, ship production-grade systems, and find clever ways to apply state-of-the-art techniques to tangible, high-impact problems. What You'll Do - Own the design and implementation of computer vision ML models that run in the cloud or on an on-prem GPU cluster, helping support and scale on-device perception models. - Train and deploy large-scale models for semantic segmentation, feedforward 4D geometry, and learned preference modeling using aerial survey images, production deliveries and synthetic generated data. - Design and ship tools that predict deliverability, generate high-fidelity priors, and reduce operational friction of onboarding new customers in new environments. - Design evaluation and validation infrastructure to ensure models behave reliably in the field. - Ship new production features or models approximately every 6 weeks. - Senior engineers will lead architectural decisions, drive experimentation, and scale production-grade perception systems. - Staff engineers will roadmap the future of offboard models and lead challenging ML initiatives. What You'll Bring - At least 5+ years of experience (Senior) or 8+ years of experience (Staff) building and deploying deep learning-based perception systems. - Strong understanding of classical computer vision including camera calibration, epipolar geometry, and structure-from-motion. - Experience combining classical vision methods with modern ML approaches such as multi-view models and gaussian splats. - Hands-on experience training, fine-tuning, iterating on, and optimizing CNN, transformer, and foundation-style model architectures in production. - Engineering mindset focused on shipping scalable solutions. - Familiarity with training, data annotation, and evaluation pipelines. - Ability to work across data pipelines, training infrastructure, and distributed training systems. - Experience deploying models in robotics or autonomy applications is strongly preferred for Senior and required for Staff. - Staff candidates should demonstrate roadmap ownership and experience launching new ML initiatives. What Else You Need To Know Zipline is an equal opportunity employer and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws or our own sensibilities. We value diversity at Zipline and welcome applications from those who are traditionally underrepresented in tech. If you like the sound of this position but are not sure if you are the perfect fit, please apply!

🏢 Summary: Engineering role focused on designing and developing electromechanical test equipment for validating battery and power electronics systems used in autonomous delivery aircraft. The position involves building custom mechanical test systems, integrating automation and instrumentation, and supporting crash, structural, and environmental validation programs. Responsibilities scale with experience, from subsystem ownership to leading validation infrastructure strategy across aircraft programs. 🗂️ Requirements: Experience designing mechanical systems or engineering test equipment, Strong mechanical design skills, Proficiency with CAD software, Knowledge of machine design and structural analysis, Experience with GD&T and tolerance analysis, Experience performing FEA and hand calculations, Familiarity with hydraulic or pneumatic actuation systems, Experience designing welded and machined assemblies, Hands-on experience assembling and troubleshooting mechanical equipment, Ability to collaborate across multidisciplinary engineering teams 📃 Skills: NX, SolidWorks, CAD, FEA, GD&T, Hydraulics, Pneumatics, Servo-electric, Automation, Instrumentation, Structural, Manufacturing 🏢 Description: About Zipline Zipline is the world's largest and most experienced drone delivery service. We are on a mission to serve all humans equally by ensuring access to food, medicine and essential goods anytime, anywhere. We design, build, and operate the world's largest autonomous logistics system, delivering critical supplies quickly and reliably. Today, Zipline operates on four continents, makes a delivery somewhere in the world every 30 seconds, and has completed millions of deliveries to date, including blood, vaccines, medical supplies, food, and retail products. Our customers include the world's largest and most prominent healthcare systems, governments, retailers, restaurants and global businesses who rely on us to save lives, reduce emissions, increase economic opportunity, and provide delivery from point A to point B as fast as possible. The drone is only 15% of what we've built to enable seamless, reliable, global operations. Our system strengthens supply chains, reduces congestion, and gives people time back. With more than 140 million commercial autonomous miles safely flown, Zipline is redefining access to healthcare, consumer products, and food across the globe. We operate at a global scale and are looking for practical problem solvers who thrive on real-world challenges and rapid growth. Our team is motivated by building systems that have a direct, meaningful impact on people's lives and by scaling the future of logistics. We are seeking people who sculpt from first principles, enjoy facing adversity, and can do the impossible at record breaking speeds. About You and The Role Zipline builds autonomous delivery aircraft and ground systems that operate daily in varied field conditions. Reliable products begin with reliable validation. As an Electromechanical Test Equipment Design Engineer, you will own the design and development of the test systems that enable engineers to characterize, validate, qualify, and manufacture battery and power electronics hardware with confidence. The Battery & Power Electronics team is responsible for delivering power throughout the aircraft—including batteries, power distribution systems, busbars, and power connectors. You will develop custom test equipment integrating mechanical design, electrical hardware, instrumentation, controls, automation, and software to create robust, scalable systems that accelerate product development and generate accurate, repeatable engineering data. This role is open to engineers at all levels. Responsibilities and scope will scale with experience—from owning individual fixtures and subsystems to leading the architecture and strategy for complex validation infrastructure spanning multiple aircraft programs. What You'll Do • Own end-to-end development of crash safety equipment from requirements through concept, design, fabrication, commissioning, validation, and continuous improvement. • Design and develop custom mechanical test equipment supporting impact, crush, penetration, drop, abuse, fire, vibration, and structural testing of batteries and aircraft hardware. • Design structural frames, fixtures, reaction structures, containment systems, mounting interfaces, and mechanisms capable of safely supporting high-energy testing. • Develop systems utilizing hydraulic, pneumatic, servo-electric, and mechanical actuation to apply controlled static and dynamic loading. • Perform engineering analyses including hand calculations, tolerance stacks, bolted joint design, load path analysis, FEA, fatigue assessments, and failure mode evaluations to ensure equipment performance and operator safety. • Produce CAD assemblies, detailed drawings, GD&T, bills of materials, and manufacturing documentation for fabricated and machined assemblies. • Design equipment with operator safety as a primary requirement, incorporating guarding, interlocks, energy isolation, debris containment, fire mitigation, and ergonomic considerations. • Partner with electrical, controls, and software engineers to integrate instrumentation, sensors, data acquisition, and automation into mechanical test systems. • Build, commission, troubleshoot, validate, and continuously improve laboratory equipment to maximize safety, repeatability, throughput, and maintainability. • Support crash safety, abuse, and structural validation campaigns by rapidly developing new test capability and modifying existing equipment. • Work closely with Mechanical Design, Reliability, Systems Engineering, Manufacturing, Integration & Test, and Safety teams to translate validation requirements into practical engineering solutions. • Lead supplier engagement for fabricated equipment, machined components, welded structures, hydraulic systems, and custom mechanical assemblies. What You'll Bring • Experience designing mechanical systems, structural equipment, automated machinery, manufacturing equipment, or engineering test equipment appropriate to your career level. • Strong mechanical design skills using NX, SolidWorks, or equivalent CAD software. • Strong engineering fundamentals including machine design, structural analysis, GD&T, tolerance analysis, hand calculations, bolted joints, fatigue, material selection, and design for manufacturing. • Experience performing structural analysis using hand calculations and FEA. • Familiarity with hydraulic, pneumatic, servo-electric, or other high-force actuation systems. • Experience designing welded structures, machined assemblies, and fabricated equipment. • Hands-on experience assembling, commissioning, troubleshooting, and improving mechanical equipment. • Experience supporting crash, impact, abuse, structural, environmental, or durability testing is preferred. • Demonstrated ability to collaborate across multidisciplinary engineering teams and communicate technical tradeoffs effectively. What Else You Need To Know Zipline is an equal opportunity employer and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws or our own sensibilities. We value diversity at Zipline and welcome applications from those who are traditionally underrepresented in tech. If you like the sound of this position but are not sure if you are the perfect fit, please apply!