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Senior Mechanical Designer - Fuel Recycling

Oklo· Fuel Recycling
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Hybrid (Oak Ridge, TN)$100k - $150kFull-timePosted 2mo ago

About the role

Mechanical Designer to develop detailed mechanical designs, 3D CAD models, fabrication drawings, and prototype hardware for Oklo's first-of-a-kind nuclear fuel recycling technology, supporting electrochemical processing equipment in high-temperature, aggressive, and high-radiation environments.

Responsibilities

  • Develop detailed 3D CAD models and manufacturing drawings using SolidWorks.
  • Produce fabrication, assembly, weldment, machining, and installation drawings suitable for manufacturing and procurement.
  • Translate engineering concepts into manufacturable mechanical designs with strong attention to detail.
  • Apply Design for Manufacturability (DFM) and Design for Assembly (DFA) principles throughout the design process.
  • Collaborate closely with engineers, machinists, welders, and fabrication vendors to optimize designs for manufacturing, assembly, and maintenance.
  • Develop custom mechanical assemblies, fixtures, tooling, furnace components, vessels, and supporting process equipment.
  • Support prototype fabrication by responding to shop questions, incorporating manufacturing feedback, and revising drawings as designs evolve.
  • Maintain engineering documentation including bills of materials, drawing revisions, and controlled CAD files.
  • Participate in design reviews and contribute practical fabrication and assembly recommendations.
  • Assist with prototype assembly, equipment integration, and iterative design improvements based on testing and operational feedback.
  • Help develop CAD standards, drawing templates, and design best practices that improve consistency across the engineering organization.

Qualifications

  • Associate's degree, technical certification, or Bachelor's degree in Mechanical Design, Mechanical Engineering Technology, Drafting, or related field (or equivalent professional experience).
  • 5+ years of experience developing detailed mechanical designs and fabrication drawings.
  • Advanced proficiency with SolidWorks, including complex assemblies, weldments, sheet metal, and drawing creation.
  • Strong understanding of manufacturing processes including machining, welding, sheet metal fabrication, and mechanical assembly.
  • Experience creating fabrication drawings with GD&T, tolerancing, bills of materials, and manufacturing notes.
  • Demonstrated experience applying Design for Manufacturability (DFM) and Design for Assembly (DFA) principles.
  • Ability to interpret engineering requirements and produce accurate, complete mechanical documentation.

Skills

Required:SolidWorksFabrication drawings

Benefits

  • flexible time off
  • equity
  • bonuses
  • competitive pay
  • 401(k)
  • health insurance with employer contribution
  • HSA
  • FSA
  • flexible work hours
  • wellness credits
Last updated Oct 16, 2026. Interested? Apply on the company site.
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About Oklo

Emission free, always on power from advanced fission power plants.

About Oklo Inc.: Oklo Inc. (Oklo) is developing advanced fission power plants to provide emission-free, reliable, and affordable energy. Oklo received a Site Use Permit from the U.S Department of Energy, has performed successful prototypic fuel fabrication, was awarded fuel material from Idaho National Laboratory, developed the first advanced fission combined license application accepted and docketed by the U.S. Nuclear Regulatory Commission, and is developing advanced fuel recycling technologies in collaboration with the U.S. Department of Energy and national laboratories. Oklo has been featured in Time, Newsweek, Wall Street Journal, CNBC, Popular Mechanics, Wired, Architectural Digest, Hyperallergic, POWER Magazine, has been the subject of a Harvard Business School case, and is featured in the Oliver Stone documentary Nuclear, among other features.

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