Hardware Test Engineer

Onsite position in Idaho Falls, travel up to 10%.

Thanks for your interest in Oklo! We are searching for a Hardware Test Engineer to join our team.

Oklo is transforming the future of energy, and we’re looking for a Hardware Test Engineer with 4+ years of dedicated experience in testing within regulated industries. In this role, you will develop, execute, and manage test projects—specializing in thermo-hydraulic, materials, and/or mechanical testing—to ensure the highest standards of quality, safety, and compliance. You’ll join a dynamic team where precision meets innovation, shaping testing methodologies that drive towards cheap, abundant, clean energy.

• Test Plan Development: Craft detailed and comprehensive test plans that outline protocols for thermo-hydraulic and sodium testing, ensuring alignment with applicable quality standards.
• Test Execution: Conduct hands‑on testing by setting up experiments, monitoring progress, troubleshooting issues, and ensuring tests are executed efficiently and accurately.
• Reporting & Analysis: Compile, analyze, and communicate test data through clear, concise reports that pinpoint performance outcomes, identify potential risks, and offer actionable insights.
• Procurement
  
  Activities:
  
  Manage test procurement processes—coordinate with suppliers and oversee tool, equipment, and material sourcing to ensure project requirements are met.
• Project Management: Oversee testing projects from initiation to completion, collaborating closely with cross‑functional teams to maintain project timelines, quality, and regulatory compliance.
• Technical Expertise: Proficiency in thermo‑hydraulic, materials, and/or mechanical testing methodologies, including setup, data collection, and analysis, ensuring robust and reliable outcomes.

• Bachelor's degree in a technical field, such as nuclear, mechanical, or aerospace engineering.
• At least 4 years of hands‑on test engineering experience, preferably in a highly regulated industry environment.
• Ability to lift, move, and position objects up to 30 lbs in all directions.
• A driver's license and ability to operate motor vehicles and machinery.

• Proven expertise in thermo‑hydraulic, materials, and/or mechanical testing, with a strong foundation in designing and executing test plans.
• Proficiency in instrumentation, data acquisition, and control methods.
• Familiarity with NQA‑1 test control requirements.
• Experience managing end‑to‑end test projects, including overseeing test procurement, coordinating cross‑functional teams, and meeting stringent regulatory requirements.

• Startup‑driven: prefers efficiency over hierarchy and thrives in a fast‑paced team.
• Motivated with enthusiasm and a passion for the vision.
• Team player who values collaboration and shared success.
• Excellent communicator, clear, upbeat, and detail‑oriented.
• Creative problem‑solver who can navigate ambiguity and invent solutions.

Remote employees will travel to headquarters in Santa Clara, CA, twice a quarter annually as required for team meetings, off‑sites, and other company events.

Oklo offers flexible time off, equity, competitive pay, 401(k), health insurance, FSA, flexible work hours, and other benefits.

Oklo Inc. is developing fast fission power plants to deliver clean, reliable, and affordable energy at scale; establishing a domestic supply chain for critical radioisotopes; and advancing nuclear fuel recycling to convert nuclear waste into clean energy. Oklo was the first to receive a site‑use permit from the U.S. Department of Energy for a commercial advanced fission plant, was awarded fuel material from Idaho National Laboratory, and submitted the first custom combined license application for an advanced reactor to the U.S. Nuclear Regulatory Commission.

Oklo is also developing advanced fuel recycling technologies in collaboration with the U.S. Department of Energy and U.S. National Laboratories.

Oklo is aware of recent recruitment fraud attempts. All legitimate communications from our recruiting team will come exclusively from an  email address. Oklo will never ask for sensitive personal information, payments, or account credentials during the hiring process.