Principal Mission Engineer (Full Stack)

Quick Facts

• Role: Principal Mission Engineer (Full Stack)
• Clearance: Active U.S. Secret clearance required
• Salary range: $240,000–$290,000 (full-time)
• Travel: Typically up to 1 week per month
• Work style: Hybrid/remote when not required onsite

Description

Develop and deploy mission-critical software for a real-world objective in partnership with government customers. You will lead teams to design, build, and maintain operational systems—covering prototyping, scaling, feature development, system integration, and field testing in secure environments. This role requires strong full-stack expertise and API integration capability in high-security contexts.

Responsibilities

• Build Prototype Capabilities: Decompose use cases, build an MVP, and evolve it into a cohesive application.
• Rapidly Scale Applications: Accelerate development, create new workflows, improve scalability, and address additional customer pain points.
• Develop and Enhance Features: Implement high-performance, visually appealing front-end solutions for complex use cases under heavy load.
• System Integration: Lead cross-functional teams to design, build, and deploy cohesive systems; integrate independent capabilities into existing solutions.
• Customer Collaboration: Work with end-users/operators to translate requirements into software features using product discovery best practices.
• Deployment and Field Testing: Travel to integration sites to deploy, test, and triage software; average travel should not exceed one week per month.

Requirements

• Active U.S. Secret security clearance
• BS in Computer Science (or related technical field) and at least 8 years of experience
• Experience deploying software for DoD or IC missions
• Strong ownership and a track record of delivering high-impact work
• Expertise deploying software in complex, high-security environments
• Deep knowledge of modern full-stack frameworks and integrating APIs for high-security deployments
• Demonstrated knowledge of React, TypeScript, and Python
• Performance-focused rendering and UI techniques for large datasets; ability to build responsive, smooth interfaces
• Ability to adopt new languages, libraries, and technologies
• Strong organization, attention to detail, and collaborative working style
• Effective communicator to both technical and non-technical audiences
• Willingness to travel to secure integration sites (≤ ~1 week per month)

Benefits

• Competitive compensation: $240,000–$290,000 salary range
• Flexible environment: hybrid work with remote flexibility when onsite access isn’t required
• Mission-driven impact: contribute to reliable, operational software transition for national security use