Relativity Space
Staff Vehicle Fluid Systems Engineer (Product)
$164K–$226K
Long Beach, California +1 · Staff · Full-time · Posted Jul 8, 2026
- Location
- Long Beach, California
Long Beach, California, United States - Experience
- 7+ years working with complex fluid systems.
- Education
- Bachelor’s degree (Mechanical Engineering or relevant).
About the job
Owns the integrated fluid-system architecture and function for a Terran R vehicle product line, from design and analysis through testing and operations.
What you'll do
- Own stage-level fluid architecture and schematics across propellant, pressurant, and pneumatic subsystems.
- Lead cross-functional interface definition and system integration with partner vehicle teams.
- Define testing scopes and contribute to fluid analysis, operations planning, and review of operating data.
What they ask for
- Bachelor’s degree in Mechanical Engineering or a relevant field.
- 7+ years of experience working with complex fluid systems.
- Strong background in fluid-system architecture, operations, thermodynamics, fluid dynamics, and heat transfer; proficiency with fluid or thermal modeling tools.
- Experience using Matlab, Python, or C++ for data analysis or modeling, and direct experience designing or operating launch vehicle or spacecraft fluid or propulsion systems.
Nice to have
- Experience with certification of a vehicle fluid system for NSSL and/or range certification.
Pay
$164,000 — $225,500 USD (base salary)
Tools
Matlab, Python, C++
Model-written summary · the original posting is authoritative