or apply directly on Muon Space's site. We never take the application ourselves.
Is this posting real?
- This role has been open
- 30 days Muon Space's roles stay open a median of 40 days
- Reposted
- No
- Salary listed
- Yes 88% of Muon Space's roles list one
- Ghost-job risk at Muon Space
- high 43 stale, 2 reposted of 115 open
- Hiring momentum
- 131 roles opened in the last 90 days ↑ up vs. the prior 90 days
- Last confirmed on the employer's board
- 2026-09-17
Measured from postings appearing on and disappearing from Muon Space's own greenhouse board since 2026-08-03. Full hiring picture for Muon Space.
About this role
The Senior Thermal Engineer at Muon Space will be responsible for instrument-level thermal engineering across various missions, including model development, hardware integration, and verification processes. This role involves mentoring junior engineers, contributing to spacecraft thermal balance, and ensuring the performance of thermal hardware. The position is hybrid, requiring on-site work in San Jose three days a week.
- benefits
- 5/5
- freshness
- 4/5
- career value
- 4/5
- role clarity
- 4/5
- pay transparency
- 5/5
Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Muon Space as an employer.
What you need
- 8+ years 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
Nice to have
- Scripting in Python or Matlab
- Systems-engineering experience
- Experience with IR-imaging systems or spacecraft payloads
What you get
- Salary range of $183,000 - $198,000
- Competitive equity grant
- Comprehensive benefits package including medical, dental, and vision insurance
- 401k retirement plan
- Short & long term disability and life insurance
- Three weeks paid vacation for new employees
Worth weighing
- Hybrid work model requires three days on-site in San Jose
- Position requires access to export controlled information, limiting eligibility to U.S. persons or those eligible for export authorization
Summarised from Muon Space's posting. Read the full original.
Listed by Muon Space on their greenhouse job board, last confirmed open on 2026-09-17. PitchMeAI is not the employer.
More roles at Muon Space
- FPGA RF Signal Processing EngineerSan Jose, CA
- Engineering Manager, Mission ElectricalSan Jose, CA
- Principal Mission Architect - InternationalRemote
- Engineering Manager, Mission MechanicalSan Jose, CA
- Senior FPGA Engineer, Networking & SecuritySan Jose, CA
- Thermal Engineer IISan Jose, CA
- Platform Engineer, Onboard ComputeSan Jose, CA
- Engineering Manager, Compute ComponentsSan Jose, CA