Relativity Space

Staff Avionics Mechanical Engineer

Relativity Space · Long Beach, California, United States

Posted 14 days ago

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

Is this posting real?

This role has been open
14 days
Relativity Space's roles stay open a median of 45 days
Reposted
No
Salary listed
No
1% of Relativity Space's roles list one
Ghost-job risk at Relativity Space
low
0 stale, 2 reposted of 350 open
Hiring momentum
498 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 Relativity Space's own greenhouse board since 2026-08-03. Full hiring picture for Relativity Space.

About this role

As a Staff Avionics Mechanical Engineer at Relativity Space, you will be responsible for the design, development, and delivery of mechanical hardware for next-generation space science avionics platforms. This hands-on role involves solving complex thermal and structural challenges, ensuring that avionics can withstand launch and space environments, and working collaboratively in a fast-paced, prototype-heavy environment.

Our read on this posting3.0out of 5
benefits
2/5
freshness
4/5
career value
5/5
role clarity
4/5
pay transparency
0/5

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 Relativity Space as an employer.

What you need

  • Bachelor’s or Master’s degree in Mechanical Engineering, Aerospace Engineering, or a related field
  • 7+ years of experience in mechanical design, packaging, or thermal management for aerospace or ruggedized electronic systems
  • Proven ability to deliver mechanical systems from concept through qualification and flight
  • Proficiency with CAD (SolidWorks, NX, or equivalent) and analysis tools for structural and thermal performance
  • Hands-on experience building, testing, and debugging hardware in a lab environment
  • Strong communication skills and comfort working cross-functionally in a fast-paced, rapidly iterating team environment

Nice to have

  • Familiarity with NASA or other spaceflight structural verification standards, environmental testing and qualification
  • Experience designing mechanical systems for spaceflight avionics or payloads
  • Experience with high-density electronics cooling (conduction, heat pipes, cold plates)
  • Knowledge of materials and processes for vacuum and radiation environments

What you get

  • Competitive salary and equity
  • Generous PTO and sick leave policy
  • Parental leave
  • Annual learning and development stipend

Worth weighing

  • No specific salary mentioned beyond the range of $150,000 — $226,000 USD
  • Role involves working in a fast-paced, prototype-heavy environment which may require adaptability to rapid changes

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

Listed by Relativity Space on their greenhouse job board, last confirmed open on 2026-09-17. PitchMeAI is not the employer.

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