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Principal Engineer - TS/SCI Clearance

Rocket Lab - Long Beach, CA, United States - In-office - posted 2026-08-28

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Rocket Lab is seeking a Principal Engineer to provide technical oversight of satellite and spacecraft programs at their Long Beach headquarters. This is a senior individual contributor role supporting the Space Systems Chief Engineer, with responsibility for ensuring engineering excellence across multiple active missions. Key responsibilities include: - Oversight and review of spacecraft system engineering across requirement derivation, verification techniques, performance budgets, and test methods - Simulation and analysis of spacecraft systems - Technical leadership in developing future architectures, platforms, and payloads for both internal and external missions - Architectural development support for existing and new satellite programs - Collaboration with program and product management teams The role requires deep expertise in spacecraft subsystems, orbital mechanics, and rigid body dynamics. You will work on missions spanning interplanetary exploration, in-space manufacturing, and national security applications, with partners including NASA, the Space Development Agency, and the U.S. Space Force. Required qualifications: - Bachelor's degree in engineering or technical discipline - Active TS/SCI security clearance - U.S. citizenship (program requirement) - 12+ years of experience on satellite or spacecraft programs - Understanding of spacecraft subsystems and components - Knowledge of space environment, orbital mechanics, and rigid body dynamics - Satellite operations experience Desired qualifications include Master's or PhD, proficiency with MATLAB/Python/STK, experience with electrical subsystem testing, thermal vacuum testing, and hardware-in-the-loop testing.

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