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TCA & Thrusters Engineer

Cowboy Space Corporation· Launch & Propulsion Engineering
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Kent, Washington$130k - $180kFull-timePosted 2mo ago

About the role

Injector Design and Development Engineer to own rocket engine injectors end to end—from concept through flight-tested hardware—in an onsite Kent, WA role.

Responsibilities

  • Own injector hardware end to end, from first-principles sizing through flight operation.
  • Perform physics-based architecture trades within a given engine cycle and required performance, leading to design & analysis of Thrust Chamber Assembly piece parts
  • Select manufacturing methods and lead the build, iterating on the design across the full lifecycle
  • Plan and execute test campaigns, from component tests through full-engine hotfire
  • Analyze hotfire data and lead component redesigns to meet mission requirements
  • Partner with vehicle and test-stand engineers to keep the engine compatible with operational needs

Qualifications

  • Bachelor's degree in Aerospace, Mechanical, Space Systems, or an equivalent Engineering or Applied Physics degree.
  • Strong command of first-principles thermodynamics, fluid dynamics, and structural mechanics.
  • 5+ years in mechanical design for manufacturing and rapid prototyping
  • Hands-on ownership of the rocket engine injector lifecycle

Skills

Required:First-principles thermodynamicsMechanical design for manufacturingInjector lifecycle ownership

Benefits

  • Equity in Cowboy Space Corp.
  • Medical, dental, and vision insurance for employees and their eligible dependents
  • 401(k) retirement savings plan
  • Paid time off
  • 10 paid holidays per calendar year
  • Paid parental leave
  • Relocation assistance if applicable
  • Daily lunch in the office and a fully stocked kitchen with beverages and snacks
Last updated Sep 27, 2026. Interested? Apply on the company site.

About Cowboy Space Corporation

Powering Humanity From the High Frontier

Cowboy Space Corp. is building a power grid in outer space for artificial intelligence. It is an integrated system of satellites and rockets to haul high-performance compute and optical data transmission down from Low Earth Orbit. Earth's energy grid can't run at the pace of AI. We can.

Orbital Data CentersAI compute in spacesolar-powered data centersLow Earth Orbitpower grid in space
Company profileWebsite

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