Relativity Space
GNC Simulation Engineer I
$110K–$164K
Long Beach, California, United States · Full-time · Posted Sep 18, 2026
- Experience
- No specific number of years stated; relevant student team, research, internship, or full-time experience.
- Education
- Undergraduate or graduate degree (BS/MS/PhD) in engineering, physics, mathematics, or related disciplines.
About the job
Develops and maintains the 6DOF simulation used to support GNC algorithm development, Monte Carlo analysis, and hardware-in-the-loop testing for Terran R.
What you'll do
- Integrate subsystem models and implement numerical solvers and physics models.
- Develop simulation configuration, scheduling, logging, Monte Carlo capabilities, and interfaces with GNC algorithms.
- Maintain the simulation development environment and contribute to cross-functional software packages.
What they ask for
- Undergraduate or graduate degree (BS/MS/PhD) in engineering, physics, mathematics, or a related discipline.
- Proficiency with compiled and scripted programming languages.
- Experience developing physics-based simulations.
- Relevant student team, research, internship, or full-time experience.
Nice to have
- Familiarity with launch vehicle or space systems design and analysis, or aerospace vehicle simulations for GNC/HITL.
- Experience with HPC or software workflows such as Docker, CI, and CD.
Pay
$110,000 — $164,000 USD (base salary)
Tools
C++, Rust, Python, Docker
Model-written summary · the original posting is authoritative