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Senior Propulsion Test Engineer

Relativity Space

Stennis Space Center, MS · full time · Senior

$124,000 – $186,000

Listed on Relativity Space’s own careers site. You apply with them directly — we never stand between you and the employer.

What this role is

This role involves testing and validating propulsion systems for a commercial orbital launch vehicle, with hands-on work at a test facility operating high-energy components and rocket engines. It suits engineers who want to directly contribute to flight-ready hardware and can work across design, operations, and integration depending on assignment and growth.

Our summary, not Relativity Space’s wording. The full posting is on their site.

Skills this role names

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What they ask for

Required

  • Bachelor's degree in mechanical engineering, aerospace engineering, or related field
  • Demonstrated ability to safely operate common power tools
  • Ability to deliver on tight schedules with creative problem-solving
  • Valid driver's license for on-site operation
  • US government background clearance for Stennis, Mississippi location

Nice to have

  • Proficiency in 3D modeling and drafting including GD&T
  • Strong engineering fundamentals in Thermal Fluid Systems and Structures
  • Hands-on fabrication experience for complex assemblies
  • Working knowledge of fluid components and P&ID development for large-scale systems
  • Experience safely operating complex fluid systems including high pressure gas, cryogenic fluids, flammables, and hydraulics
  • Technical writing or documentation experience

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