Core Structural Materials Engineering Manager
TerraPower LLC.
| Company | TerraPower LLC. |
| Category | Uncategorised |
| Location | Bellevue |
| Remote | On-site (inferred) |
| Employment | Not stated |
| Level | Not stated |
| Salary | Not stated by the employer |
| Posted | 28 Apr 2026 |
| Last verified | 30 Jul 2026 |
| Source | Employer career page (greenhouse) |
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.
Core Structural Materials Engineering Manager
The Natrium Core Structural Materials Engineering Manager reports directly to the Senior Manager, Core Material Qualification. This position is focused on managing the development and qualification of Natrium reactor core assembly materials, establishing a supply chain, and providing material performance data to the design organization. In this role, you will manage a dedicated team of engineers developing material performance tools and performing analysis and testing activities in support of TerraPower’s advanced nuclear reactor project. This position also supports the senior manager in project scheduling and reporting activities.
Responsibilities
Oversee the development and deployment of material performance models for metallic materials used to fabricate reactor core assembly components
Approve material property datasets generated via Qualification of Existing Data per ASME NQA-1-2015
Oversee materials test programs to validate models of material performance and ensure materials development and testing efforts meet programmatic objectives of the Natrium reactor
Provide materials engineering support for the procurement of engineered components and systems including leading technical development of suppliers to increase the technology readiness level of key components
Oversee development, optimization, and qualification of new materials for sodium fast reactor applications
Coordinate with the Fuel Development and Qualification, Fuel Fabrication and Core Design groups to develop fuel technologies supporting Natrium Kemmerer Unit 1 and future commercial reactor concepts
Inform and support the licensing process for advanced reactor fuel
Work with the Senior Manager and Project Management team to develop and maintain the schedule and budget
Manage the Core Materials Qualification team to deliver project work within schedule and cost constraints
Communicate the status of engineering progress to the team, stakeholders and management
Assure compliance to procedures, standards and regulatory criteria
Ensure that engineering work is performed with a high level of integrity through rigorous enforcement of work processes and technical reviews of team deliverables
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