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Principal Mechanical Engineer, Factory Automation

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 leads the design and development of manufacturing tooling and factory automation equipment for rocket production, combining structural fixtures, assembly systems, and automated processes. It suits experienced mechanical engineers who thrive in fast-paced environments, enjoy solving novel production challenges, and want to see their designs directly impact manufacturing scale and efficiency.

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 degree in mechanical engineering, manufacturing engineering, or equivalent
  • 15+ years of experience designing, building, and commissioning tooling and fixtures for manufacturing, assembly, and test
  • Proficiency with CAD and FEA-based analysis software (NX and ANSYS Workbench preferred)
  • Experience completing full-cycle projects from concept to commissioning
  • Experience managing tooling projects including vendor selection, fabrication, inspection, and installation

Nice to have

  • Expertise in design for manufacturability and design for assembly from prototype to production
  • Understanding of common manufacturing materials, GD&T, and tolerance/stack-up analysis
  • Knowledge of common manufacturing processes and equipment (mills, lathes, welding, sheet-metal bending, assembly, inspection)
  • Experience designing custom machines with motors, actuators, linear rails, pneumatics, and bearings

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