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Mechanical Engineer - Fuel Recycling

Oklo· Mechanical Engineering
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Hybrid (Santa Clara, CA)$120k - $170kfull-timePosted 2mo ago

About the role

Mechanical Engineer supporting nuclear waste treatment systems, responsible for defining requirements and coordinating with vendors to deploy waste processing equipment in a nuclear environment.

Responsibilities

  • Develop mechanical requirements, equipment specifications, acceptance criteria, and operating concepts for radioactive waste treatment systems.
  • Translate process requirements into practical equipment solutions for waste processing, packaging, storage, and material handling.
  • Evaluate vendor designs for functionality, maintainability, reliability, contamination control, remote operation, and lifecycle performance.
  • Develop and review equipment layouts, P&IDs, material handling flows, tooling concepts, and mechanical interfaces.
  • Identify opportunities to simplify designs, improve operability, reduce maintenance burden, and increase production readiness.
  • Support procurement by finding relevant vendors, preparing technical specifications, evaluating vendor proposals, and reviewing design deliverables.
  • Lead or participate in multidisciplinary design reviews and drive technical action items to closure.
  • Develop engineering documentation including design bases, interface definitions, design evaluations, and technical reports.
  • Support hazard analyses, licensing activities, commissioning, and facility integration.

Qualifications

  • Bachelor’s degree in Mechanical Engineering or a related engineering field
  • Minimum of 5 years of relevant engineering experience
  • Experience developing, specifying, integrating, or implementing industrial process equipment
  • Experience working with equipment vendors, technical specifications, procurement packages, or design reviews
  • Experience with 3D CAD tools, 2D fabrication drawings, equipment specifications, and controlled design documentation
  • Familiarity with P&IDs, mechanical equipment layouts, process equipment interfaces, material handling concepts, and vendor design packages
  • Strong mechanical engineering judgment, including practical understanding of maintainability, reliability, fabrication, inspection, and failure modes
  • Experience coordinating work across multiple engineering disciplines
  • Ability to produce clear, traceable technical documentation in support of design development, procurement, safety review, or licensing activities

Skills

Required:Mechanical requirements developmentVendor collaboration and procurement3D CAD and drawingsP&IDs and layouts

Benefits

  • flexible time off
  • equity
  • bonuses
  • competitive pay
  • 401(k)
  • health insurance (with employer contribution)
  • HSA
  • FSA
  • flexible work hours
  • wellness credits
  • other benefits
Last updated Aug 7, 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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