Relativity Space
Senior Fluid Systems Engineer
$132K–$198K
Long Beach, California, United States · Senior · Full-time · Posted Aug 25, 2026
- Experience
- 4+ years of experience working with fluids systems.
- Education
- Bachelor’s degree (Mechanical Engineering or relevant)
About the job
Owns the architecture, analysis, design, validation, and operation of a Terran R vehicle fluid subsystem.
What you'll do
- Own subsystem architecture and schematics, including control schemes and component selection and sizing.
- Conduct fluid and thermal analyses and lead or participate in system and hardware design and manufacturing reviews.
- Define and support validation test campaigns, integrated vehicle testing, and launch.
What they ask for
- Bachelor’s degree in Mechanical Engineering or a relevant field.
- Experience applying engineering fundamentals in system design, thermodynamics, fluid dynamics, and heat transfer.
- Experience with one or more fluid or thermal modeling tools for internal compressible and incompressible analysis.
- Proficiency in Python or a similar programming language for scientific computing and automated test/simulation data analysis.
Nice to have
- Experience with launch vehicles and spacecraft.
Pay
$132,000 — $198,000 USD (base salary)
Tools
Python
Model-written summary · the original posting is authoritative