Principal Mission Engineer (Full Stack)

Quick Facts

• Role: Principal Mission Engineer (Full Stack)
• Clearance: Active US Security Clearance required
• Mission focus: Software for operational DoD mission objectives

Description

Develop and deploy full stack software essential to real-world DoD missions in partnership with customers operating in high-security environments. You will lead engineering teams to design, build, and maintain mission software, turning user needs into performant, reliable applications. Work includes prototyping, scaling, feature development, system integration, customer collaboration, and occasional travel for secure deployment and field testing.

Responsibilities

• Break down use cases, build an MVP, and rapidly evolve into a cohesive application
• Accelerate development by adding workflows, improving scalability, and addressing customer pain points
• Build high-performance, visually appealing frontend experiences for complex use cases
• Lead cross-functional engineering to integrate independent capabilities into existing solutions and deploy cohesive systems
• Collaborate with end-users/operators using product discovery best practices to translate requirements into features
• Travel to integration sites to deploy, test, and triage software in secure operational environments (typically ≤ 1 week/month)

Requirements

• Active US Security Clearance
• BS in Computer Science or related technical field and at least 8 years of work experience
• Experience deploying software for DoD or IC missions
• High ownership and proven delivery of high-impact work
• Strong product and interface focus with attention to design details
• Demonstrated knowledge of modern technologies including React, TypeScript, and Python
• Knowledge of performance-focused tools and techniques for rendering large datasets and building responsive interfaces
• Ability to adopt new languages, libraries, and technologies
• Organized, detail-oriented, and able to work independently and collaboratively
• Proven communication skills for both technical and non-technical audiences

Benefits

• Full-time salary range: $240,000–$290,000 (based on experience, education, training, skills, security clearance, and market conditions)