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Senior Avionics Mechanical Engineer

Relativity Space

Long Beach, CA · Senior

$129,000 – $193,000

Listed on Relativity Space’s own careers site. You apply with them directly — we never stand between you and the employer.

What this role is

This role involves designing and delivering the mechanical systems that support advanced avionics platforms for space science missions, including enclosures, thermal solutions, and structural components that must survive launch and space environments. It suits an experienced mechanical engineer comfortable working hands-on in a fast-paced aerospace setting, iterating rapidly from concept through flight qualification.

Our summary, not Relativity Space’s wording. The full posting is on their site.

Skills this role names

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What they ask for

Required

  • Bachelor's or Master's degree in Mechanical Engineering, Aerospace Engineering, or related field
  • 5+ years of experience in mechanical design, packaging, or thermal management for aerospace or ruggedized electronic systems
  • Demonstrated ability to deliver mechanical systems from concept through qualification and flight
  • Proficiency with CAD software and analysis tools
  • Hands-on experience building, testing, and debugging hardware

Nice to have

  • Familiarity with NASA or spaceflight structural verification standards and environmental testing
  • Experience designing mechanical systems for spaceflight avionics or payloads
  • Experience with high-density electronics cooling techniques
  • Knowledge of materials and processes for vacuum and radiation environments

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