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Senior GNC Simulation Engineer

Relativity Space

Long Beach, CA · Senior

$148,000 – $222,000

Listed on Relativity Space’s own careers site. You apply with them directly — we never stand between you and the employer.

What this role is

You'll develop and maintain 6-degree-of-freedom simulations for a rocket guidance and control system, building physics models and integrating subsystem data to support algorithm development and hardware testing. This role suits someone with aerospace simulation experience and strong C++ and Python skills who wants ownership of critical flight software at a fast-moving launch company.

Our summary, not Relativity Space’s wording. The full posting is on their site.

Skills this role names

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What they ask for

Required

  • Bachelor's or Master's degree in engineering, physics, mathematics or related field
  • 5+ years of relevant full-time work experience
  • Proficiency in compiled languages like C++ or Rust
  • Proficiency in scripted languages like Python
  • Experience developing physics-based simulations of aerospace vehicles
  • Ability to work independently with end-to-end project ownership
  • Ability to work in a fast-paced startup environment

Nice to have

  • Familiarity with launch vehicle or space systems design and analysis
  • Experience with aerospace vehicle simulations that interface with GNC algorithms or HITL testing
  • Experience implementing high-performance computing solutions
  • Experience with Docker, continuous integration, and continuous deployment

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