Nuclear Waste Systems Mechanical Engineer

Oklo Inc; Santa Clara (CA); On-site; USD 120,000 - 170,000; Full time

Benefits offered by this job

Flexible time off

Equity

Bonuses

401(k)

Health insurance

HSA

FSA

Flexible work hours

Wellness credits

Job summary

Oklo Inc. is seeking a Mechanical Engineer to join the Fuel Recycling Team in Santa Clara, CA.

You will define process and mechanical requirements for nuclear waste treatment systems and coordinate with vendors to ensure designs are practical, maintainable, and ready for operation in a nuclear environment. You will translate objectives into equipment requirements, review vendor designs, and contribute to safety, licensing, and commissioning activities while collaborating with process

Qualifications

• Bachelor’s degree in Mechanical Engineering or a related field is required.
• 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 maintainability, reliability, fabrication, inspection, and failure modes.
• Experience coordinating work across multiple engineering disciplines.
• Ability to produce clear, traceable technical documentation for design development, procurement, safety review, or licensing activities.

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.

Skills

Cross-disciplinary collaboration

3D CAD tools

P&IDs

Vendor coordination

Technical documentation

Education

Bachelor’s degree in Mechanical Engineering or related field

Tools

Solidworks

CAD software

Job description

Oklo Inc. is seeking a Mechanical Engineer to join the Fuel Recycling Team in Santa Clara, CA.

You will define process and mechanical requirements for nuclear waste treatment systems and coordinate with vendors to ensure designs are practical, maintainable, and ready for operation in a nuclear environment. You will translate objectives into equipment requirements, review vendor designs, and contribute to safety, licensing, and commissioning activities while collaborating with process