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Senior In-Space Propulsion Engineer

Cowboy Space Corporation· Launch & Propulsion Engineering
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Kent, Washington$140k - $205kFull-timePosted 3mo ago

About the role

Senior in-space propulsion engineer responsible for design, development, analysis, and validation of in-space propulsion systems, owning delivery of on-orbit propulsion from early trades to test and integration, and working at the intersection of GNC, propulsion, aerodynamics, and mission planning.

Responsibilities

  • Identify and lead long-term strategic planning and development efforts for electric and/or chemical propulsion solutions
  • Execute high level technical and operational trades to identify the best propulsion system for Cowboy Space’s satellite applications
  • Design electric and/or chemical thrusters for in-house build. Lead manufacturing, development and test efforts to close the product lifecycle
  • Lead multi-disciplinary teams of more junior engineers, manufacturing engineers and technicians through rapid design, build and test cycles
  • Identify suppliers for key infrastructure in-space propulsion system components
  • Own the integration of in-space propulsion systems

Qualifications

  • Bachelor's degree in Aerospace, Mechanical, Space Systems, or Electrical Engineering, or an equivalent Engineering or Applied Physics degree
  • 5 years experience identifying, designing, developing and/or building satellite or RCS propulsion solutions

Skills

Required:Propulsion system design (electric and/or chemical)Systems engineering and trades
Nice to have:Project and team leadership

Benefits

  • Equity in Cowboy Space Corp.
  • Medical, dental, and vision insurance for employees and 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 6, 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

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