Relativity Space
Propulsion Test Engineer II
$104K–$156K
Stennis Space Center, Mississippi, United States · Full-time · Posted Feb 5, 2026
- Experience
- No aerospace experience required; fresh graduates are welcome.
- Education
- Bachelor's degree in mechanical engineering, aerospace engineering, or a related field.
About the job
Design, build, operate, or integrate test facilities and rocket hardware for Terran R propulsion testing at the Stennis test site.
What you'll do
- Design, build, modify, and maintain test stands and their fluid, structural, and mechanical systems.
- Conduct test campaigns and monitor test stands and articles using control interfaces, automation, cameras, and telemetry.
- Prepare and manage test articles, work instructions, repairs, and non-conformances.
What they ask for
- Bachelor's degree in mechanical engineering, aerospace engineering, or a related field.
- Demonstrated ability to safely operate common power tools.
- Ability to deliver on tight schedules, including when creative solutions are needed.
- Valid driver's license to operate vehicles on the test site.
Nice to have
- Proficiency in 3D modeling and drafting, including GD&T; strong fundamentals in Thermal Fluid Systems and Structures.
- Hands-on fabrication, fluid-system experience, or technical writing/documentation experience.
Pay
$104,000 — $156,000 USD (base salary)
Tools
Piping & Instruction Diagrams (P&IDs), GUIs, GD&T
Model-written summary · the original posting is authoritative