Space Systems Engineer (Temporary)

🏢 Summary: Temporary hybrid opportunity for an experienced Space Systems Engineer to support advanced test and evaluation initiatives for national security space missions. The role focuses on orbital mechanics, spacecraft operations, system integration, and launch vehicle coordination to enhance strategic defense capabilities. Requires active Top Secret clearance with SCI eligibility and extensive spacecraft systems engineering experience. 🗂️ Requirements: Minimum 10 years of spacecraft systems engineering experience, Deep understanding of on-orbit spacecraft operations, Strong knowledge of orbital mechanics, Proficiency in orbital modeling and simulation analysis, Experience with launch vehicle integration, Ability to develop TTPs, CONOPs, or CONEMPs, Active Top Secret clearance with SCI eligibility, U.S. Citizenship, Proficiency in Microsoft Word, Proficiency in Microsoft Excel, Proficiency in Microsoft PowerPoint 📃 Skills: OrbitalMechanics, SpacecraftOperations, SystemsEngineering, OrbitalModeling, Simulation, LaunchIntegration, TTP, CONOP, CONEMP, MicrosoftWord, MicrosoftExcel, MicrosoftPowerPoint 🏢 Description: Great Hill Solutions, LLC is part of the Seneca Nation Group (SNG) portfolio of companies. SNG is Seneca Holdings' federal government contracting business that meets mission-critical needs of federal civilian, defense, and intelligence community customers. Our portfolio comprises multiple subsidiaries that participate in the Small Business Administration 8(a) program. To learn more about SNG, visit the website and follow us on LinkedIn. Our team of talented individuals is what makes us successful. To support our team, we provide a balanced mix of benefits and programs.Your total rewards package includes competitive pay, benefits, and perks, flexible work-life balance, professional development opportunities, and performance and recognition programs. We offer a comprehensive benefits package that includes medical, dental, vision, life, and disability, voluntary benefit programs (critical illness, hospital, and accident), health savings and flexible spending accounts, and retirement 401K plan. One of our fundamental principles is to offer competitive health and welfare benefits to our team members, providing coverage and care for you and your family. Full-time employees working at least 30 hours a week on a regular basis are eligible to participate in our benefits and paid leave programs. We pride ourselves on our collaborative work environment and culture, which embraces our mission of providing financial and non-financial benefits back to the members of the Seneca Nation. Location: This is a hybrid role in Los Angeles, CA (vicinity of Los Angeles Space Force Base)Travel: Occasional CONUS travel required; Occasional travel, up to 25% is required.Clearance: Active Top Secret clearance with SCI eligibility requiredCitizenship: U.S. Citizenship required Position Overview:Great Hill Solutions is seeking an experienced Space Systems Engineer to support advanced test and evaluation initiatives for national security space missions. This position will focus on orbital mechanics, spacecraft operations, and system integration to inform strategic defense capabilities. This is a temporary role. Required Qualifications: Minimum of 10 years of experience in spacecraft systems engineering Deep understanding of on-orbit spacecraft operations and orbital mechanics Proficient in orbital modeling and simulation analysis Experience with launch vehicle integration and coordination across multi-disciplinary teams Skilled in developing TTPs, CONOPs, or CONEMPs through technical analysis and validation events Proficiency in Microsoft Word, Excel, and PowerPoint Desired Qualifications: Previous experience with joint or operational testing, or work on Department of Defense test ranges Knowledge of national security space systems and operational planning Salary at Seneca is based on a variety of factors including but not limited to location, experience, skill set, performance, licensure and certification, as well as contract-specific affordability and organizational requirements. The range of this position in other geographic locations may differ. The projected compensation range for this position is below. The estimate displayed represents the typical salary range for this position and is just one component of our total compensation package for employees. The projected compensation range for this position is:$150,000—$180,000 USD Equal Opportunity Statement:Seneca Holdings provides equal employment opportunities to all employees and applicants without regard to race, color, religion, sex/gender, sexual orientation, national origin, age, disability, marital status, genetic information and/or predisposing genetic characteristics, victim of domestic violence status, veteran status, or other protected class status. This policy applies to all terms and conditions of employment, including, but not limited to, hiring, placement, promotion, termination, layoff, recall, transfer, leave of absence, compensation and training. The Company also prohibits retaliation against any employee who exercises his or her rights under applicable anti-discrimination laws. Notwithstanding the foregoing, the Company does give hiring preference to Seneca or Native individuals. Veterans with expertise in these areas are highly encouraged to apply.

🏢 Summary: Hybrid Space Systems Engineer role supporting advanced test and evaluation for national security space missions, with focus on orbital mechanics, spacecraft operations, and system integration. The position involves orbital modeling, launch vehicle integration, and development of operational concepts to enhance strategic defense capabilities. Requires active Top Secret clearance with SCI eligibility and occasional CONUS travel. 🗂️ Requirements: Active Top Secret clearance with SCI eligibility, U.S. Citizenship, Minimum 10 years of spacecraft systems engineering experience, Strong expertise in on-orbit spacecraft operations, Deep knowledge of orbital mechanics, Experience in orbital modeling and simulation analysis, Experience with launch vehicle integration, Ability to develop TTPs, CONOPs, or CONEMPs through technical analysis, Proficiency in Microsoft Word, Proficiency in Microsoft Excel, Proficiency in Microsoft PowerPoint 📃 Skills: OrbitalMechanics, SpacecraftOperations, SystemsEngineering, OrbitalModeling, Simulation, LaunchIntegration, TTP, CONOP, CONEMP, MicrosoftWord, MicrosoftExcel, MicrosoftPowerPoint 🏢 Description: Great Hill Solutions, LLC is part of the Seneca Nation Group (SNG) portfolio of companies. SNG is Seneca Holdings' federal government contracting business that meets mission-critical needs of federal civilian, defense, and intelligence community customers. Our portfolio comprises multiple subsidiaries that participate in the Small Business Administration 8(a) program. To learn more about SNG, visit the website and follow us on LinkedIn. Our team of talented individuals is what makes us successful. To support our team, we provide a balanced mix of benefits and programs.Your total rewards package includes competitive pay, benefits, and perks, flexible work-life balance, professional development opportunities, and performance and recognition programs. We offer a comprehensive benefits package that includes medical, dental, vision, life, and disability, voluntary benefit programs (critical illness, hospital, and accident), health savings and flexible spending accounts, and retirement 401K plan. One of our fundamental principles is to offer competitive health and welfare benefits to our team members, providing coverage and care for you and your family. Full-time employees working at least 30 hours a week on a regular basis are eligible to participate in our benefits and paid leave programs. We pride ourselves on our collaborative work environment and culture, which embraces our mission of providing financial and non-financial benefits back to the members of the Seneca Nation. Location: This is a hybrid role in Los Angeles, CA (vicinity of Los Angeles Space Force Base)Travel: Occasional CONUS travel required; Occasional travel, up to 25% is required.Clearance: Active Top Secret clearance with SCI eligibility requiredCitizenship: U.S. Citizenship required Position Overview:Great Hill Solutions is seeking an experienced Space Systems Engineer to support advanced test and evaluation initiatives for national security space missions. This position will focus on orbital mechanics, spacecraft operations, and system integration to inform strategic defense capabilities. Required Qualifications: Minimum of 10 years of experience in spacecraft systems engineering Deep understanding of on-orbit spacecraft operations and orbital mechanics Proficient in orbital modeling and simulation analysis Experience with launch vehicle integration and coordination across multi-disciplinary teams Skilled in developing TTPs, CONOPs, or CONEMPs through technical analysis and validation events Proficiency in Microsoft Word, Excel, and PowerPoint Desired Qualifications: Previous experience with joint or operational testing, or work on Department of Defense test ranges Knowledge of national security space systems and operational planning Salary at Seneca is based on a variety of factors including but not limited to location, experience, skill set, performance, licensure and certification, as well as contract-specific affordability and organizational requirements. The range of this position in other geographic locations may differ. The projected compensation range for this position is below. The estimate displayed represents the typical salary range for this position and is just one component of our total compensation package for employees. The projected compensation range for this position is:$150,000—$180,000 USD Equal Opportunity Statement:Seneca Holdings provides equal employment opportunities to all employees and applicants without regard to race, color, religion, sex/gender, sexual orientation, national origin, age, disability, marital status, genetic information and/or predisposing genetic characteristics, victim of domestic violence status, veteran status, or other protected class status. This policy applies to all terms and conditions of employment, including, but not limited to, hiring, placement, promotion, termination, layoff, recall, transfer, leave of absence, compensation and training. The Company also prohibits retaliation against any employee who exercises his or her rights under applicable anti-discrimination laws. Notwithstanding the foregoing, the Company does give hiring preference to Seneca or Native individuals. Veterans with expertise in these areas are highly encouraged to apply.

🏢 Summary: The role involves designing and implementing complex system integrations and network solutions in IT and electrical environments, including projects in military contexts. The position focuses on operating and administering complex IP network infrastructures and supporting migration and upgrade projects. The engineer is responsible for troubleshooting, configuration, and documentation of network components. 🗂️ Requirements: Completed technical degree in Computer Science or comparable qualification, Several years of professional experience in system engineering or network administration, Proven experience operating complex IP network infrastructures, Strong knowledge of Routing and Switching, Experience with at least one vendor: Cisco or HPE-Aruba, Experience with firewall systems or automation tools, Hands-on experience with routers, switches, and wireless solutions, Fluent German (C1) and good English skills, Willingness to travel up to 30% 📃 Skills: Routing, Switching, IP, Cisco, HPE-Aruba, Firewalls, PowerShell, Routers, Switches, Wireless, Networking, Automation 🏢 Description: Einführung & Zusammenfassung Wir suchen einen erfahrenen System Engineer (m/w/d) zur Konzeption und Umsetzung komplexer Systemintegrationen im IT- und Elektromarkt. Der ideale Kandidat bringt umfangreiche Kenntnisse in der Planung von Netzwerklösungen sowie in der Administration von Netzwerkkomponenten mit. Von Ihnen wird erwartet, dass Sie aktiv Probleme identifizieren und lösen, während Sie gleichzeitig eng und agil mit Ihrem Team sowie anderen Abteilungen zusammenarbeiten. Aufgaben Konzeption und Umsetzung der Systemintegration (IT, Elektrik) von Gesamtsystemlösungen Konzeption und Umsetzung von Netzwerklösungen Realisierung von Systemintegrationsprojekten im militärischen Umfeld Unterstützung bei der Planung und Durchführung von Migrations- und Upgrade-Projekten Administration von Netzwerkkomponenten wie Routern, Firewalls, Switches und Wireless Lösungen Erstellung von Konfigurations-Dokumentation Feststellung und Analyse von Problemen sowie Troubleshooting Enge und agile Zusammenarbeit mit dem Team und Kollegen anderer Systemintegrationsteams Anforderungen Abgeschlossenes technisches Studium (z.B. Informatik) oder vergleichbare Qualifikation sowie mehrjährige Berufserfahrung Nachweisbare Erfahrung im Betrieb von komplexen IP-Netzwerkstrukturen Fundierte Kenntnisse im Bereich Routing & Switching Kenntnisse in mindestens einem der Bereiche: Netzwerk-Herstellern wie: Cisco, HPE-Aruba Firewall-Systemen und Automatisierungswerkzeugen (z.B. Powershell) Funktechnologien Netzwerkkomponenten wie Routern, Firewalls, Switches und Wireless-Lösungen Fließende Deutsch- (mind. C1) und gute Englischkenntnisse Starke Eigeninitiative und Problemlösungsfähigkeit Ausgeprägte Team- und Kommunikationsfähigkeit Reisebereitschaft (bis zu 30%) Nice to Haves Kennnisse in modernen Netzwerkarchitekturen Erfahrung mit Cloud-basierten Lösungen Kenntnisse in Sicherheitsframeworks Sonstige Details Die Stelle kann in einem flexiblen Arbeitsmodell, teilweise auch remote, besetzt werden. Aufgrund unserer Zusammenarbeit mit Kunden im Bereich kritischer Infrastrukturen kann eine Sicherheitsüberprüfung nach Sicherheitsüberprüfungsgesetz (SÜG) erforderlich sein. Wir freuen uns auf Ihre Bewerbung!

🏢 Summary: Senior Software Engineer role focused on backend and platform engineering to build reliable, secure systems supporting satellite and ground infrastructure. The position involves developing backend services, improving observability, modernizing container and CI/CD environments, and collaborating with infrastructure and cybersecurity teams. Ideal for engineers experienced in complex, high-reliability production systems and AWS-based cloud environments. 🗂️ Requirements: 5+ years professional software engineering experience, Strong Python skills, Experience with at least one compiled language (Rust, C++, Go, Java, or C), Strong backend engineering experience in production systems, Experience with AWS or GCP environments, Experience with containers and CI/CD pipelines, Proficiency in Linux environments, Strong understanding of systems engineering, performance, and reliability, Experience collaborating with infrastructure and/or cybersecurity teams, Strong communication and documentation skills 📃 Skills: Python, Rust, C++, Go, Java, C, AWS, GCP, Linux, Docker, Kubernetes, Terraform, PostgreSQL, Grafana, Databricks, Elasticsearch, GitHubActions, CI/CD, Observability, Containers 🏢 Description: About the Role Spire is looking for a Senior Software Engineer to help design, build, and improve the reliable and secure systems that support satellite and ground infrastructure. This is a hands-on engineering role focused on backend systems, platform engineering, observability, and infrastructure-aware software development. You'll work closely with software, infrastructure, and cybersecurity teams to implement scalable solutions that support operational reliability and secure engineering practices. We are not looking for a dedicated cybersecurity specialist. Instead, we're seeking an experienced software engineer who has worked alongside security teams and has experience implementing technical requirements related to security, reliability, and compliance within production systems. This role is best suited to engineers who enjoy solving technically challenging problems and have experience working on complex systems in industries such as aerospace, scientific computing, telecommunications, biotech, robotics, or other high-reliability environments. What You'll Do: - Design, develop, and maintain backend services and platform tooling - Collaborate with cybersecurity and infrastructure teams to implement secure engineering requirements - Contribute to modernising services, container environments, and CI/CD workflows - Improve telemetry, monitoring, logging, and observability across production systems - Support cloud-based infrastructure and deployment workflows in AWS environments - Participate in code reviews, architecture discussions, and engineering best practices - Work across infrastructure, backend systems, and operational tooling in a collaborative engineering environment Who You Are: Required Qualifications: - 5+ years of professional software engineering experience - Strong Python development skills - Experience with at least one compiled language such as Rust, C++, Go, Java, or C - Strong backend engineering experience building and maintaining production systems - Experience working with AWS-based environments (GCP experience also considered) - Experience with containers, CI/CD pipelines, and modern software delivery practices - Comfortable working in Linux-based development environments - Strong understanding of systems engineering, performance, reliability, and operational concerns - Experience collaborating with infrastructure and/or cybersecurity teams to implement technical requirements - Strong communication and documentation skills Preferred Qualifications: - Experience working in aerospace, scientific computing, biotech, telecommunications, robotics, or other technically complex industries - Experience in smaller engineering organisations where engineers wear multiple hats across development and operations - Familiarity with Kubernetes, Terraform, and infrastructure-as-code approaches - Experience with PostgreSQL or other relational databases - Experience building observability or telemetry solutions using tools such as Grafana, Databricks, or Elasticsearch - Familiarity with GitHub Actions or modern CI/CD tooling - Exposure to secure software development or DevSecOps practices - Advanced academic research background (PhD/Postdoc) in engineering, physics, computer science, or related scientific disciplines What We're Looking For: We value engineers who are: - Curious and adaptable - Pragmatic problem-solvers - Interested in complex systems and infrastructure - Open to learning new technologies and domains - Collaborative and low-ego - Comfortable operating in fast-moving engineering environments This role is primarily backend and platform focused. We are generally looking for engineers with stronger backend and systems experience rather than heavily frontend-focused backgrounds. Spire operates a hybrid work model, and this position will require you to work a minimum of three days per week in the office. Access to US export-controlled software and/or technology may be required for this role. If needed, Spire will arrange the necessary licenses—this is not something candidates need to have before applying. Salary Range $130,500—$171,000 USD Global Perks - Name Your Satellite Program (NYSP) Launch Attendance - Generous Time Off Policy - Education Assistance Program - Employee Assistance Program (EAP) - Employee Stock Purchase Program (ESPP) - Family Leave - Fitness Reimbursement - Employee Referral Program - Healthy snacks & beverages in every office

🏢 Summary: Senior System Integration & Test Engineer role focused on defining and executing integration and validation strategies for complex software systems. The position involves building integration environments, implementing CI/CD practices, and ensuring full requirements traceability and high-quality deliverables. The project duration is 3 years with responsibility for end-to-end integration and testing activities. 🗂️ Requirements: Master’s degree in Computer Science or equivalent, Minimum 7 years of experience in software integration and qualification, Strong knowledge of software project lifecycle management, Advanced experience with application servers, Expertise in web services integration, Proficiency in CI/CD tools, Strong Linux knowledge, Knowledge of cybersecurity principles (PKI) 📃 Skills: JBoss, Tomcat, SOAP, REST, RPC, Jenkins, Ansible, Linux, PKI, CICD, DevOps 🏢 Description: Introduction & Summary: We are seeking a highly skilled Senior System Integration & Test Engineer with a solid minimum of 7 years in the integration and qualification of software. The ideal candidate will possess a comprehensive understanding of the software project lifecycle, advanced knowledge of DevOps practices, and expertise in integrating systems to ensure high-quality deliverables. Project duration : 3 years. Main Responsibilities: This role involves defining integration strategies and ensuring proper testing of software systems. Key responsibilities include: Defining integration and test strategies, test plans, and test scenarios. Ensuring requirements traceability and coverage. Utilizing DevOps and CI/CD best practices. Building integration environments and installing or upgrading solutions. Performing integration and validation tests (including load, performance, high availability, accuracy and security tests). Investigating issues by analyzing logs during tests execution, reports incidents through configuration management tool and monitors them until closure. Producing documents that will allow proper installation, testing, operations and administration. Preparing and providing training for customers, support and maintenance teams. Supporting pre-sales teams on specific technical requests on integration activities. Defining and implementing autonomously the entire integration and test strategy of a full simple project requiring advanced knowledge in OS, database and integration tools. Key Requirements: - Master's or equivalent degree in Computer Science (5+ years). - Minimum 7 years experience in software integration and qualification. - Proficient in software project lifecycle management. - Advanced skills in Application Servers (JBoss, Tomcat). - Expertise in web services (SOAP, REST, RPC). - Proficient in CI/CD tools (Jenkins, Ansible) and OS (Linux). - Knowledge of Cybersecurity principles (PKI) is important. - Professional English proficiency is essential. Nice to Have: - Familiarity with Maven Artifact repositories (Nexus). - Experience with scripting (Python, Bash, etc.). - Understanding of Queueing services (Rabbit MQ, Active MQ). - Familiarity with cloud environments (AWS, Azure, Google Cloud). - Knowledge of IT infrastructures (Windows, Linux, virtualization). - Experience with test tools (Jira, JMeter, etc.). Other Details: Work Arrangement & Mobility Requirements This position follows a hybrid work model , with 2 days remote and 3 days on-site per week. The selected candidate must also be available for occasional business travel within Europe . Eligibility & Export Control Due to Export Control regulations , the role is restricted to European nationals . Candidates must be eligible to work under these regulations and must not have a criminal record

🏢 Summary: Senior Systems Engineer role supporting the Office of the Under Secretary of War for Research and Engineering, focused on technology development, strategy, and testing for major defense programs. The position leads systems engineering efforts for large-scale, classified technology initiatives and oversees technical requirements, risk management, and acquisition processes. Work is performed onsite in Arlington, VA with TS/SCI clearance required. 🗂️ Requirements: TS/SCI clearance (SAP eligible), Master’s degree in engineering, scientific, or technical discipline related to PNT or C5ISRT, 10+ years as Chief Systems Engineer or Deputy on $100M+ technology program, 8+ years leadership on classified programs at SCI or higher, 8+ years experience in military tactics and technical methods, 5+ years overseeing technical requirements and assessments for emerging capabilities, 5+ years supporting DoD 5000 acquisition lifecycle process, 5+ years experience with Agile development processes, 5+ years establishing and managing formal risk management processes 📃 Skills: SystemsEngineering, Agile, DoD5000, RiskManagement, C5ISRT, PNT, TSSCI, SAP, SCI, Acquisition, MilitaryTactics 🏢 Description: Great Hill Solutions, LLC is part of the Seneca Nation Group (SNG) portfolio of companies. SNG is Seneca Holdings' federal government contracting business that meets mission-critical needs of federal civilian, defense, and intelligence community customers. Our portfolio comprises multiple subsidiaries that participate in the Small Business Administration 8(a) program. To learn more about SNG, visit the website and follow us on LinkedIn. Our team of talented individuals is what makes us successful. To support our team, we provide a balanced mix of benefits and programs.Your total rewards package includes competitive pay, benefits, and perks, flexible work-life balance, professional development opportunities, and performance and recognition programs. We offer a comprehensive benefits package that includes medical, dental, vision, life, and disability, voluntary benefit programs (critical illness, hospital, and accident), health savings and flexible spending accounts, and retirement 401K plan. One of our fundamental principles is to offer competitive health and welfare benefits to our team members, providing coverage and care for you and your family. Full-time employees working at least 30 hours a week on a regular basis are eligible to participate in our benefits and paid leave programs. We pride ourselves on our collaborative work environment and culture, which embraces our mission of providing financial and non-financial benefits back to the members of the Seneca Nation. Great Hill is seeking a Sr. System Engineer in Arlington, VA to support work for the Office of the Under Secretary of War for Research and Engineering. This effort will work with leaders on technology development, strategy and testing. Security Requirements: TS/SCI (SAP eligible) Skills/Experience: Ten (10) years' experience as Chief Systems Engineer (CSE) or Deputy for a major technology program valued at over $100M Eight (8) years' of leadership experience on classified programs at SCI or higher. Eight (8) years' experience in military tactics and technical methods Five (5) years' experience overseeing technical requirements and assessments for new and emerging capabilities Five (5) years' experience executing activities in support of the DoD 5000 series acquisition lifecycle process. Five (5) years' experience using Agile Development processes. Five (5) years' experience establishing and managing a formal risk management process for a technology development program Education: Master's degree from accredited college or university in engineering, scientific, or technical discipline that is related to PNT and/or C5ISRT. Desired Skills: Military or DoW experience C5ISRT and C-C5ISRT: Eight (8) years' experience with systems that integrate and analyze data from multiple sources and countering these systems. Equal Opportunity Statement:Seneca Holdings provides equal employment opportunities to all employees and applicants without regard to race, color, religion, sex/gender, sexual orientation, national origin, age, disability, marital status, genetic information and/or predisposing genetic characteristics, victim of domestic violence status, veteran status, or other protected class status. This policy applies to all terms and conditions of employment, including, but not limited to, hiring, placement, promotion, termination, layoff, recall, transfer, leave of absence, compensation and training. The Company also prohibits retaliation against any employee who exercises his or her rights under applicable anti-discrimination laws. Notwithstanding the foregoing, the Company does give hiring preference to Seneca or Native individuals. Veterans with expertise in these areas are highly encouraged to apply.

🏢 Summary: The offer is for a Systems Engineer responsible for defining and assessing space mission concepts, translating customer needs into system requirements, and leading early lifecycle and proposal-phase systems engineering activities. The role focuses on mission feasibility studies, trade-off analyses, and technical documentation aligned with space industry standards. It involves close collaboration across engineering and commercial teams to shape viable space projects. 🗂️ Requirements: Degree in systems, aerospace, electrical or mechanical engineering, Minimum 3 years experience in space industry projects, Strong understanding of space systems, Experience in systems engineering during early lifecycle or proposal phase, Knowledge of orbital mechanics and mission analysis, Understanding of electronics, mechanics, thermal control and software including FPGA, Experience with requirements management and interface control, Hands-on experience with DOORS-like requirements management tools, Experience creating technical documentation according to ECSS, Ability to perform trade-off analyses and system-level requirement definition, Very good English proficiency 📃 Skills: SystemsEngineering, OrbitalMechanics, MissionAnalysis, Electronics, Mechanics, ThermalControl, FPGA, Software, RequirementsManagement, DOORS, ECSS, MBSE, MATLAB, Python, STK, Excel 🏢 Description: Role summary: As a Systems Engineer for Mission Concepts you will play a critical role in converting customer needs into successful space missions. You’ll lead the definition of mission concepts and realization of feasibility studies, collaborate across engineering, commercial and supply chain teams, and help shape proposals that become real projects. Responsibilities: · Leading systems engineering efforts in space projects focusing on early steps of system lifecycle, also as part of proposal phase · Performing mission concepts trade-off analyses (such as orbital/rendezvous trade-offs, delta-V, coverage/revisit, link budget, power budget, payload sizing) · Identifying and naming customer needs and transforming them into requirements · Translate customer requirements into system-level requirements; iterate with customers to refine needs. · Preparing and oversight of technical documentation · Support in building consortia of partners/suppliers to deliver missions based on identified mission concepts · Present and communicate technical and commercial proposals to both technical and non-technical audiences. Basic qualifications: · Background in systems engineering, aerospace engineering, electrical/mechanical engineering, or related disciplines. · Solid understanding of space systems (at least 3 years of experience in space industry in relevant projects); · Experience contributing to proposals, technical management, or customer engagement. · Fundamental technical understanding in the following domains: electronics, mechanics, thermal control, software (including FPGA), orbital mechanics; · Basic mission-analysis familiarity (coverage, link budgets, orbital constraints) · Strong understanding of requirements management, interface control, architectural modeling, and V-model development. · Hands-on experience in requirements definition and management using Doors-like requirements management tool · Experience in creating technical documentation according to ECSS; · Troubleshooting and problem solving skills; · Ability to work effectively under pressure; · Very good English in speaking and writing. · Strong communication skills, capable of bridging technical and non-technical domains. Preferred qualifications: · Experience in working on systems with flight heritage (TRL 9); · Familiarity with Model-Based Systems Engineering (MBSE); · Practical experience with MBSE; · Experience in working with European Space Agency, European Commission and European Defense Agency.; · Experience in small-sat or EO/telecom missions; · Solid mathematical and analytical skills; comfortable working with budgets, trade-offs, uncertain requirements and preliminary sizing. · Hands-on skills: e.g., Excel modelling, MATLAB/Python, STK or equivalent mission-analysis tools — desirable.

🏢 Summary: Senior Operational Planner role supporting USAFCENT at Shaw AFB, focused on multi-domain operational planning, targeting integration, and command and control operations across air, space, and cyber domains. The position requires deep expertise in AOC operations, the Joint Targeting Cycle, and ISR integration with kinetic and non-kinetic capabilities. Candidates must have extensive joint operational planning experience and an active TS/SCI clearance or eligibility. 🗂️ Requirements: Bachelor's degree, 10+ years of experience in joint operational planning, targeting, or command and control, Understanding of Joint Planning Process, Understanding of Joint Targeting Cycle, Experience with MAAP/ATO production, Experience in AOC operations, Experience integrating multi-source intelligence into targeting plans, Leadership experience in joint or coalition operational environments, Experience with LINK16, Experience with TBMCS, Experience with GCCS, Experience with MIDB, Experience with JTT, Experience with operational data platforms, Experience with Large Force Exercises, Active TS/SCI clearance or eligibility 📃 Skills: LINK16, TBMCS, GCCS, MIDB, JTT, Palantir, JPPA, MAAP, ATO, ISR, F2T2EA, C2, LOAC, CDE 🏢 Description: Great Hill Solutions is seeking a highly experienced Senior Operational Planner to support United States Air Forces Central Command (USAFCENT) at Shaw AFB. The ideal candidate will have served in or commanded within an Air Operations Center (AOC) or Airborne Warning and Control System (AWACS), with deep expertise in the Find-Fix-Track-Target-Engage-Assess (F2T2EA) cycle. This individual will advise on integration of intelligence, surveillance, and reconnaissance (ISR) with kinetic and non-kinetic strike capabilities, and ensure synchronized operations across multi-domain command elements. Responsibilities Include but are not limited to: - Operational planning activities across the full spectrum of air, space, and cyber operations in support of Theater JFACC and Combatant Command priorities. - Integrate multi-domain intelligence into the Joint Targeting Cycle, supporting deliberate and dynamic targeting, strike package development, and effects assessment. - Collaborate with intelligence, legal, and operational teams to ensure target nomination and strike plans meet rules of engagement (ROE), law of armed conflict (LOAC), and collateral damage estimation (CDE) requirements. - Develop and refine plans using the Joint Operations Planning Process for Air (JPPA) as well as the Air Tasking Orders (ATO) cycle to include Strategy, Target Effects Team (TET), and Master Air Attack Plans (MAAP), as well as supporting planning documents for both steady-state and contingency operations. - Coordinate with joint, coalition, and interagency partners to ensure synchronization of operational plans and rapid execution of time-sensitive targeting missions. - Support operational experimentation, C2 modernization initiatives, and integration of innovative technologies into current operations and planning workflows. - Contribute to enterprise-level C2 transformation strategies, including federated planning models, digital targeting architectures, and distributed operations frameworks. - Facilitate strategic campaign planning that incorporates data-centric targeting, counter-UAS integration, missile defense coordination, and emerging operational concepts. - Advise senior leaders on operational risk, resource alignment, and planning priorities to ensure mission effectiveness and agility in dynamic environments. Required Qualifications: - Bachelor's degree and at least 10 years of relevant experience in joint operational planning, targeting, or command and control. - In-depth understanding of the Joint Planning Process, Joint Targeting Cycle, MAAP/ATO production, and AOC operations. - Proven experience in integrating multi-source intelligence into kinetic/non-kinetic targeting plans. - Demonstrated leadership in joint or coalition operational environments, including large-scale planning, crisis response, or combat operations. - Familiarity with AOC systems such as LINK16, TBMCS, GCCS, MIDB, JTT, and operational data platforms (e.g., Palantir). - Experience with Large Force Exercises (LFE) as either Mission Commander or Mission Planning Cell Chief. - Active TS/SCI clearance or eligibility. Preferred Qualifications: - Joint duty qualified or completion of JPME I. - Completion of advanced military planning courses (e.g., C2WAC, Joint Targeting School, Combat Targeting Course, SAASS, Etc.). - Prior experience supporting operations within the USCENTOM AOR. - Strong understanding of C2 modernization, digital transformation, and enterprise architecture within joint operations. - Experience in designing or executing distributed/federated C2 concepts and experimentation initiatives. Equal Opportunity Statement: Seneca Holdings provides equal employment opportunities to all employees and applicants without regard to race, color, religion, sex/gender, sexual orientation, national origin, age, disability, marital status, genetic information and/or predisposing genetic characteristics, victim of domestic violence status, veteran status, or other protected class status. This policy applies to all terms and conditions of employment, including, but not limited to, hiring, placement, promotion, termination, layoff, recall, transfer, leave of absence, compensation and training. The Company also prohibits retaliation against any employee who exercises his or her rights under applicable anti-discrimination laws. Notwithstanding the foregoing, the Company does give hiring preference to Seneca or Native individuals. Veterans with expertise in these areas are highly encouraged to apply.

🏢 Summary: Space Engineer role focused on mission analysis and early-phase mission design for space missions. Responsibilities include orbital maneuver planning, trajectory optimization, feasibility studies, and system-level trade-offs, with tool development primarily in Python. The position involves close collaboration with multidisciplinary teams and presenting technical results to clients and partners. 🗂️ Requirements: Minimum 5 years of professional experience in Mission Analysis, Basic understanding of orbital mechanics, Knowledge of systems engineering principles, Professional experience with Python, Ability to perform mission analysis and trajectory optimization, Experience conducting feasibility and trade-off studies 📃 Skills: Python, STK, GMAT, FreeFlyer, Orekit, Astropy, Poliastro, OrbitalMechanics, MissionAnalysis, TrajectoryOptimization, SystemsEngineering 🏢 Description: We’re looking for Space Engineers to join our team. Depending on your experience and interests, you’ll work across Mission Analysis and Early Mission Design. What You’ll Work On Mission analysis (lifetime, coverage, revisit time, performance assessments) Orbital maneuver planning and trajectory optimization Early-phase mission design and concept development Feasibility studies for new mission concepts System-level trade-off studies to support key design decisions Presenting results to clients, consortium partners, and ESA Close collaboration with system engineers and domain experts (AOCS, mechanical, thermal, electronics, etc.) Building and improving internal tools (primarily in Python) What We’re Looking For Strong initiative and hands-on problem-solving mindset Broad engineering curiosity and willingness to learn across domains Basic understanding of orbital mechanics and systems engineering Experience with Python At least 5 years of professional experience in Mission Analysis Nice to Have Experience with STK or similar tools (GMAT, FreeFlyer) Familiarity with astrodynamics libraries (Orekit, Astropy, Poliastro) Why Join Us Real impact on cutting-edge space missions Fast learning curve and rapid skill development A small, highly capable, and collaborative team Exposure to projects and experience that are hard to find elsewhere in the market

🏢 Summary: The offer is for a Space Engineer focused on Mission Analysis and Early Mission Design, contributing to orbital maneuver planning, trajectory optimization, feasibility studies, and system-level trade-offs. The role involves developing and improving internal Python tools and collaborating with multidisciplinary engineering teams while presenting results to clients and ESA. It targets experienced professionals who can support early-phase space mission concept development and performance assessments. 🗂️ Requirements: Minimum 5 years of professional experience in Mission Analysis, Basic understanding of orbital mechanics, Basic understanding of systems engineering, Professional experience with Python, Experience in orbital maneuver planning and trajectory optimization, Experience in mission performance analysis (lifetime, coverage, revisit time) 📃 Skills: Python, STK, GMAT, FreeFlyer, Orekit, Astropy, Poliastro, Astrodynamics, OrbitalMechanics, SystemsEngineering 🏢 Description: We’re looking for Space Engineers to join our team. Depending on your experience and interests, you’ll work across Mission Analysis and Early Mission Design. What You’ll Work On Mission analysis (lifetime, coverage, revisit time, performance assessments) Orbital maneuver planning and trajectory optimization Early-phase mission design and concept development Feasibility studies for new mission concepts System-level trade-off studies to support key design decisions Presenting results to clients, consortium partners, and ESA Close collaboration with system engineers and domain experts (AOCS, mechanical, thermal, electronics, etc.) Building and improving internal tools (primarily in Python) What We’re Looking For Strong initiative and hands-on problem-solving mindset Broad engineering curiosity and willingness to learn across domains Basic understanding of orbital mechanics and systems engineering Experience with Python At least 5 years of professional experience in Mission Analysis Nice to Have Experience with STK or similar tools (GMAT, FreeFlyer) Familiarity with astrodynamics libraries (Orekit, Astropy, Poliastro) Why Join Us Real impact on cutting-edge space missions Fast learning curve and rapid skill development A small, highly capable, and collaborative team Exposure to projects and experience that are hard to find elsewhere in the market