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Propulsion Engineer II, Engine Systems & Test

Relativity Space

Long Beach, CA · Mid

$104,000 – $156,000

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 designing and optimizing rocket engine systems for a commercial launch vehicle, working across the full lifecycle from concept through flight qualification. It suits engineers with propulsion experience who thrive in collaborative environments and want to shape both technical decisions and company culture at a growing aerospace startup.

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 science, engineering, technology, or mathematics
  • 2+ years relevant experience in complex engineering systems development and/or test environment
  • Working knowledge of liquid-propellant rocket engines
  • Experience applying engineering fundamentals in fluid mechanics and thermodynamics
  • Demonstrated ownership and problem-solving skills
  • Ability to lead collaborative projects with minimal oversight

Nice to have

  • Working knowledge of fluid components such as valves and instrumentation
  • Working knowledge of engine subsystems such as combustion devices and turbomachinery

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