Drimva

Relativity Space

Principal Mechanical Engineer, Tooling

$185K–$277K

Long Beach, California +1 · Principal · Full-time · Posted Jan 12, 2026

Location
Long Beach, California
Long Beach, California, United States
Experience
15+ years; no alternative stated.
Education
Bachelor of Science in manufacturing engineering or mechanical engineering, or equivalent.

About the job

Designs and delivers manufacturing tooling and factory automation equipment for Relativity Space’s Terran vehicle and Aeon engine programs, from requirements and project management through commissioning.

What you'll do

  • Develop tooling and automation solutions, including fixtures, material-handling equipment, test fixtures, and custom machines.
  • Create tooling drawing definitions using applicable design and drafting standards, including ASME Y14.5.
  • Manage tooling projects from vendor selection and fabrication through inspection, installation, and commissioning.

What they ask for

  • Bachelor of Science in manufacturing engineering or mechanical engineering, or equivalent.
  • 15+ years of work or project experience designing, building, and commissioning manufacturing, assembly, and test tooling and fixtures.
  • Experience with CAD and FEA-based analysis software for structural applications.
  • Experience completing full-cycle projects and managing strategic tooling buildout for production.

Nice to have

  • NX and ANSYS Workbench.
  • Expertise in design for manufacturability and assembly, materials, GD&T, tolerance analysis, manufacturing processes, or custom machine design.

Pay

$185,000 — $277,000 USD (base salary)

Tools

ASME Y14.5, CAD, FEA, NX, ANSYS Workbench

Model-written summary · the original posting is authoritative

First seen Oct 10, 2026 · Last verified Nov 5, 2026 (UTC)