Thermal Engineer II

Muon Space

$144K — $177K *
Aerospace & Defense
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 5+ years in spacecraft or aerospace thermal engineering (BS+5 / MS+3)
  • Proficiency in thermal analysis software (Thermal Desktop or equivalent)
  • Experience handling thermal vacuum testing (TVAC)
  • Solid knowledge of conduction and radiation fundamentals
  • Bachelor's degree in Mechanical, Aerospace, Physics, or related field

Responsibilities

  • Build and operate thermal models using Thermal Desktop or similar
  • Take charge of the thermal analysis package for spacecraft components
  • Determine size and thermal limits for radiators and heaters
  • Assist with thermal verification and TVAC test data analysis
  • Collaborate with mechanical, electrical, and systems teams on thermal interfaces
  • Guide interns and junior engineers through model assessments

Benefits

  • Hybrid work schedule with three days on-site in San Jose
  • Comprehensive benefits package including equity grants
  • Opportunities for mentorship and professional development
  • Collaborative work environment across various engineering disciplines
Full Job Description
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).
  • Experience with TVAC or other spacecraft thermal testing.
  • Solid grasp of conduction/radiation fundamentals and hand calcs.
  • B.S. or higher in Mechanical, Aerospace, Physics, or a related field.
Nice-to-have
  • Scripting in Python or Matlab.
  • Mechanical CAD (SolidWorks preferred).
  • Experience with IR-imaging systems or spacecraft payloads.
Salary

The salary range for this role is $144,000 - $177,000, plus a competitive equity grant and comprehensive benefits package. Final compensation will be determined based on skills, qualifications, experience, and geographic location as assessed during the interview process.

Similar Jobs

More Jobs at Muon Space

More Aerospace & Defense Jobs

Find similar Thermal Engineer II jobs: