Mechanical Engineer - Active Cooling

About this role

Cowboy Space Corp. seeks a Mechanical Engineer specializing in active cooling to design and own the liquid cooling loop for on-orbit GPU compute hardware. This hands-on role demands strong fluid system and mechanical design skills, coupled with the ability to rapidly iterate and problem-solve throughout the product lifecycle, from concept to flight operation. The ideal candidate will collaborate closely with various engineering teams to ensure seamless integration within the spacecraft architecture.

What you'll do

• Design the spacecraft liquid cooling loop, including cold plates and pumps.
• Perform thermal-fluid analyses to size components and predict system performance.
• Develop and execute test programs to verify flight-worthiness.
• Integrate coolant loop components, balancing performance and reliability.
• Diagnose and resolve cooling system issues during testing.
• Collaborate with cross-functional teams for seamless integration.

What they're looking for

• Fluid systems design
• Mechanical design
• Thermal-fluid analysis
• CAD software (NX, SolidWorks)
• Pressure systems
• Testbed development
• Root cause analysis