Fluids Engineer, Propulsion Systems (Valves & Feedlines)

Cowboy Space Corp. in San Carlos, CA, is seeking a Fluids Engineer to own a critical fluid system from concept through flight.

Depending on priorities, you’ll work on propulsion fluid design, vehicle feed systems, tank pressure controls, or pneumatic systems, collaborating across propulsion, thermal, and avionics teams to deliver integrated hardware. You will move quickly, iterate, and take full ownership of fluid hardware impacting mission success, joining a fast‑moving startup shaping the