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Sr Process Engineer, Lp-Ded Additive

Relativity SpaceLong Beach, CA

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Job Description

About the Team:

The Engine Manufacturing team is dedicated to delivering high-performance engines and advancing innovative manufacturing systems that continuously improve cost, quality, and lead time. You're not just executing on designs; you actively provide input that shapes new hardware iterations and regularly interface with engineers to make critical decisions for the Aeon R program. Having successfully developed and refined processes for our initial development engines, the team is now focused on producing flight engines at rate for Terran R's aggressive launch manifest.

About the Role:

  • Own and drive implementation of LP-DED Additive at Relativity for Aeon-R Engine Hardware, overseeing first prints in the factory, to optimized production.
  • Develop, validate, and optimize operations, processes, and the LP-DED work center to enable reliable at-rate production while maintaining quality, cost, and safety targets.
  • Define and deploy process controls, standard work, and documentation that scale with increasing production demand.
  • Lead troubleshooting and root-cause investigations on first-time and recurring issues, implementing sustainable corrective actions.
  • Support training and enablement of production teams to ensure long-term operational ownership of the technology.

About You:

  • Bachelor of Science degree in aerospace, mechanical, manufacturing engineering, or equivalent.
  • 3+ years of experience in aerospace or precision manufacturing environments, with a focus on producing high-stakes, mission-critical hardware.
  • 3+ years of direct experience in additive operations, additive manufacturing (powder-based preferred), and post-processing, specifically in a production environment.
  • Extensive experience authoring work instructions and/or process procedures to manufacture complex assemblies.
  • Experience interfacing with design engineering, manufacturing, and production personnel in a production environment.
  • Experience in executing and driving projects in a fast-paced environment.

Nice to haves but not required:

  • Direct experience working with LP-DED technology in a manufacturing role.
  • Experience manufacturing precision hardware for rocket engines or similar.
  • Experience in scaling new processes from development to high-rate production.

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