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Senior Engineer, Fuel Enrichment

TerraPower LLC.
CompanyTerraPower LLC.
CategoryEngineering
LocationBellevue
RemoteOn-site (inferred)
EmploymentNot stated
LevelSenior
SalaryNot stated by the employer
Posted31 Jul 2026
Last verified9 Aug 2026
SourceEmployer ATS (greenhouse)
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Description
  TerraPower is a nuclear technology company based in Bellevue, Washington. At its core, the company is working to raise living standards globally through a more affordable, secure, and environmentally friendly form of nuclear energy along with innovations in medical isotopes to improve human health. In 2006, TerraPower originated with Bill Gates and a group of like-minded visionaries who evaluated the fundamental challenges to raising living standards around the world. They recognized energy access was crucial to the health and economic well-being of communities and decided that the private sector needed to take action and create energy sources that would advance global energy deployment. TerraPower’s mission is to be a world leader in new nuclear technologies, while developing innovators and future leaders in the nuclear field. As a result, the company’s activities in the fields of nuclear energy and related sciences are yielding significant innovations in the safety and economics of nuclear power, hybrid energy and medical applications – all for significant human health benefits.” TerraPower is seeking to hire highly motivated and forward-thinking professionals who are interested in focusing on advanced nuclear reactor research and development and influencing change within the nuclear power landscape and bringing forward the critical production of medical isotopes. TerraPower is an Equal Opportunity Employer. We do not discriminate in hiring on the basis of sex, gender identity, sexual orientation, race, color, religious creed, national origin, physical or mental disability, protected Veteran status, or any other characteristic protected by federal, state, or local law.  Senior Engineer, Fuel Enrichment  TerraPower is seeking a Senior Engineer, Fuel Enrichment to join the Natrium Fuel Design and Supply team. The Senior Engineer, Fuel Enrichment will support the front end of the Natrium fuel supply chain, including overseeing the chemical processing necessary to create feedstock for Natrium fuel. The engineer will support specification and material form development, interface management, supplier coordination, and shipping and inventory planning. Responsibilities:   Execute supply and services contracts to process material in accordance with schedule and budget constraints Collaborate with process development teams to calculate and plan for losses during process steps Evaluate waste recovery and recycling options for feed material Work with industry partners to evaluate material standard specifications and ensure Natrium program goals are represented Support deployment planning and capacity evaluations using material from various sources and suppliers Develop and evaluate opportunities to improve fuel economics via innovations in material processing Work with design, fuel fabrication, and shipping teams to coordinate interfaces between material handoffs to ensure requirements are met Generate technical documents in support of purchase requisitions Review and approve supplier technical submittals Ensure vendor work complies with engineering drawing, specifications, safety, quality, and other requirements Work within controlled quality environments supporting configuration management, material traceability, and nuclear safety culture expectations Support continuous learning and application of nuclear industry best practices to maintain the highest quality of engineering design and proactively identify process change/enhancement opportunities. Key Qualifications and Skills   Education: B.S. degree in Nuclear Engineering, Chemical Engineering, Chemistry, Materials Science, or equivalent preferred Minimum of seven years of nuclear industry experience, with at least two years in fuel or fuel adjacent areas; relevant M.S. and Doctorate degrees may be credited for up to two or four years of experience respectively Excellent w