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Principal Mechanical Engineer, Tooling

Relativity Space

Long Beach, CA · Principal

$185,000 – $277,000

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 designs and oversees the development of manufacturing tools, fixtures, and factory automation equipment for rocket production at scale. It suits experienced mechanical engineers who thrive in fast-paced environments and can manage complex projects from concept through commissioning while collaborating closely with manufacturing and design teams.

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

What they ask for

Required

  • Bachelor's degree in mechanical engineering or manufacturing engineering
  • 15+ years designing, building, and commissioning tooling and fixtures for manufacturing or assembly
  • CAD and FEA-based analysis software experience
  • Full-cycle project completion experience
  • Tooling project management and strategic buildout experience

Nice to have

  • Design for manufacturability and design for assembly expertise from prototype to production
  • Knowledge of manufacturing materials, GD&T, and tolerance/stack-up analysis
  • Familiarity with common manufacturing processes and machines including mills, lathes, welding, sheet-metal work, and assembly
  • Custom machine design experience with motors, actuators, linear rails, pneumatics, and bearings

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