Senior Thermal Engineer
Muon Space· Engineering - Hardware
Hybrid (San Jose, CA)$173k - $193kfull-timePosted 2mo ago
About the role
Senior Thermal Engineer responsible for instrument-level thermal engineering across missions, models, hardware, and verification end-to-end, with involvement in spacecraft-level thermal balance. Hybrid on-site role in San Jose, CA (on-site 3 days/week).
Responsibilities
- Own instrument thermal models and drive instrument NRE and per-mission-block design improvements.
- Own the thermal V&V test plan, including model correlation, for instruments.
- Own thermal hardware ICDs (heat straps, radiators) and performance requirements.
- Contribute to full-spacecraft thermal balance and system thermal model integration.
- Support system-level testing and define thermal limits and margins to other subsystems.
- Mentor junior thermal engineers and serve as the technical go-to for instrument thermal.
Qualifications
- 8+ years (BS+8 / MS+6) in spacecraft or aerospace thermal engineering.
- Expert in thermal simulation and full-spacecraft thermal balance.
- Experience designing, executing, and correlating TVAC and unit-level thermal tests.
- Fluency across thermal-mechanical interfaces (ICDs, margins, requirements flow-down).
- B.S. or higher in Mechanical, Aerospace, Physics, or a related field.
Skills
Required:Thermal modelingTVAC testingThermal hardware interfacesMentoring
Benefits
- equity grant
- medical, dental, and vision insurance
- 401k retirement plan
- short & long term disability and life insurance
- three weeks paid vacation
- 12 paid holidays
- unlimited sick time
- paid parental leave
Last updated Sep 19, 2026. Interested? Apply on the company site.
About Muon Space
The Mission Foundry — designing, building, and operating high-performance satellite constellations for National Security, civil, and commercial customers.
Design, build, and operate mission-optimized satellite constellations with Muon Space.
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