Relativity Space
Fluids Analyst II, Combustion Devices
$104K–$156K
Long Beach, California, United States · Full-time · Posted Oct 22, 2026
- Experience
- 2+ years; employment, internships, or project experience count.
- Education
- Bachelor's degree in a science or engineering field.
About the job
Performs computational fluid dynamics analysis to support the design and qualification of rocket combustion-device hardware.
What you'll do
- Analyze combustion-device hardware, including injectors, thrust chambers, heat exchangers, and igniters, using Computational Fluid Dynamics Analysis.
- Review test and flight data to evaluate and anchor models.
- Advise hardware designers and recommend analysis approaches that may reduce design iteration time.
What they ask for
- Bachelor's degree in a science or engineering field.
- 2+ years of experience performing computational fluid dynamics analyses, including employment, internships, or project experience.
- Familiarity with analysis steps such as pre/post-processing, meshing, and boundary conditions.
- Experience with basic engineering scripting in Python, MATLAB, or similar; strong background in fluid mechanics and heat transfer.
Nice to have
- Graduate degree in a science or engineering field.
- Experience in Siemens STAR-CCM+ or working knowledge of rocket engine subsystems such as combustion devices.
Pay
$104,000 — $156,000 USD (hiring range; salary)
Tools
Computational Fluid Dynamics Analysis, Python, MATLAB, Siemens STAR-CCM+
Model-written summary · the original posting is authoritative