Principal Systems Engineer

SET Development

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About The Position

SET Development is seeking a Principal Systems Engineer to support a high-impact satellite program with a leading aerospace client. This role focuses on end-to-end spacecraft systems engineering, with emphasis on avionics integration and full lifecycle development.
You will operate as a senior technical contributor with ownership across requirements, system design, verification, and integration, supporting complex satellite platforms and mission architectures.

Requirements

• Bachelor’s degree in STEM required
• 15+ years (BS) or 12+ years (MS) in aerospace systems engineering
• Proven experience across full spacecraft lifecycle development
• Strong experience in: Requirements engineering & verification (RTMs, V&V)
• System architecture and trade studies
• Spacecraft subsystems (avionics, power, comms, GNC, C&DH)
• Familiarity with: DOORS (or equivalent requirements tools)
• MBSE / SysML
• Mission architecture (launch, CONOPS, operations)
• Experience with: Reliability, safety, maintainability, and system-level analysis
• Ability to operate autonomously in complex, cross-functional environments
• U.S. Citizenship required
• Ability to obtain (or hold) DoD Secret clearance or higher
• Willingness to travel up to ~20% (including occasional international)

Nice To Haves

• Master’s degree preferred

Responsibilities

• Lead requirements development, decomposition, and flowdown
• Perform system architecture design and trade studies
• Develop and execute verification & validation strategies
• Conduct systems analysis (FMEA, reliability, technical budgets, critical items)
• Drive cross-functional integration across subsystems: Avionics / flight software Power systems Communications GNC / navigation
• Support full lifecycle execution (concept → design → integration → test → operations)
• Contribute to spacecraft, payload, or mission-level engineering activities
• Support spacecraft product roadmap planning
• Contribute to platform reuse strategies and cost optimization
• Assist in customization strategies for mission-specific configurations
• Mentor junior engineers and support engineering best practices
• Contribute to process improvement and engineering standardization
• Support long-term program scalability and delivery execution

What This Job Offers

• Job Type: Full-time
• Career Level: Senior