Thermal Engineer II

About the role

Muon Space is hiring a Thermal Engineer II to own the thermal design and analysis of spacecraft assemblies and subsystems — from hand calcs and models through TVAC test support. You'll work independently within your scope and partner across mechanical, electrical, and systems teams. 

This position is hybrid and requires working on-site in our San Jose, CA office three days per week.

Responsibilities

• Build and run thermal models (Thermal Desktop or similar): TVAC margin, conduction/radiation hand calcs, and transient analyses.
• Own the thermal analysis package for an assembly or subsystem end-to-end.
• Size radiators and heaters and define component thermal limits and margins.
• Support thermal verification and TVAC test campaigns, including data reduction.
• Coordinate thermal interfaces with mechanical, electrical, and systems teams.
• Mentor interns and junior engineers through model reviews.

Required Qualifications

• 5+ years (BS+5 / MS+3) in spacecraft or aerospace thermal engineering.
• Independent user of a thermal analysis package (Thermal Desktop or equivalent)