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Muon Space

Senior Mechanical Engineer - Spacecraft Components and Systems

Muon Space · San Jose, CA

Posted about 2 months ago · $183,000 - $198,000

or apply directly on Muon Space's site. We never take the application ourselves.

Is this posting real?

This role has been open
70 days
Muon Space's roles stay open a median of 78 days
Reposted
No
Salary listed
Yes
88% of Muon Space's roles list one
Ghost-job risk at Muon Space
high
113 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
2026-10-24

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 Mechanical Engineer at Muon will be responsible for the mechanical design and development of spacecraft components from initial requirements to installation on launch vehicles. This role involves collaboration with various engineering teams, conducting structural analysis, thermal design, and leading environmental testing campaigns, while also managing documentation and vendor relationships. The position requires a hands-on approach in a hybrid work environment, with three days on-site in San Jose, CA.

Our read on this posting4.0out of 5
benefits
5/5
freshness
1/5
career value
4/5
role clarity
5/5
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 of experience designing, building, and testing high reliability hardware
  • B.S. or higher in Mechanical Engineering or related field
  • Proficiency in CAD (SolidWorks preferred) for component and assembly design
  • Mastery of drawings, GD&T, BOMs, FAIs, tolerance budgets, and mass budgets
  • Experience with ECO/DCO processes and PLM systems
  • Demonstrated proficiency leading mechanical design for complex electromechanical systems

Nice to have

  • Flight heritage—hardware you designed that has successfully operated in space
  • Experience optimizing and maturing existing designs (not only clean-sheet development)
  • Familiarity with satellite payloads and mission-level mechanical integration
  • Experience with deployable hardware (solar arrays, antennas, mechanisms)
  • Experience with ADCS components: reaction wheels, torque rods, star trackers

What you get

  • Salary range of $173,000 - $193,000
  • 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

  • Position requires working on-site three days a week in San Jose, CA
  • Role involves a wide breadth of responsibilities due to the early-stage startup environment
  • No specific mention of career advancement opportunities or professional development programs

Summarised from Muon Space's posting. Read the full original.

Listed by Muon Space on their greenhouse job board, last confirmed open on 2026-10-24. PitchMeAI is not the employer.

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