Core Component Design Manager, Pinned Assemblies

Role summary

Core Component Design Manager, Pinned Assemblies is a role at TerraPower LLC. in Bellevue, Washington, United States (on-site). Posted 2026-09-01. Experience level: 10+.

Job title

Core Component Design Manager, Pinned Assemblies

Company

TerraPower LLC.

Location

Bellevue, Washington, United States

Work arrangement

on-site

Category

Healthcare Support

Experience level

10+

Date posted

2026-09-01

Job 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 Component Design Manager, Pinned Assemblies

TerraPower is seeking a Core Component Design Manager to join the Natrium Fuel Design and Supply team. The Core Component Design Manager will oversee work scopes regarding the design of Natrium fuel assemblies, including completion of the fuel assembly design and act as technical design authority for fuel and other pinned assemblies for fabrication. The Core Component Design Manager will interface extensively with the Natrium Fuel Design, Analysis and Supply leadership team and upstream/downstream stakeholders to ensure proper integration between design and delivery.

Responsibilities:

Keep Core Design and Methods Senior Manager and engineering management informed of major emerging technical issues.

Interface with regulators, stakeholders, and customers on discipline design issues.

Support any complex analytical work to be performed and provide project support for the work.

Assist in the continued development tools for the discipline.

Recognize the need and recommend obtaining external subject matter experts.

Ensure periodic meetings with discipline engineers to ensure appropriate communication of discipline and project information within project purview.

Assist in developing the engineering staffing plan for the discipline using input from the project, including maintenance of load boards for discipline personnel.

Assist in the recruitment, onboarding, and indoctrination of new discipline engineers within the CCD group.

Recommend staff changes (replacements due to attrition, new requirements, de-staffing).

Assist in resolving priority conflicts in conjunction with the projects when issues arise that compete for resources. Elevate those that cannot be resolved to the Senior Manager level.

Support employee development through mentoring, training, and challenging assignments within the specific program engineering efforts as assigned.

Assist in the development, maintenance, and use of discipline guidelines (e.g., design criteria, design guides, desktop instructions, design notes).

Perform self-assessments of work processes and technical adequacy.

Inspect and provide oversight of technical tasks deliverable within project and discipline areas or responsibility.

Ensure that work process execution and technical adequacy within the group scope are in accordance with contract requirements, project standards, and industry standards.

Demonstrate visible, continuous leadership in the areas of safety and quality.

Identify improvement opportunities and cause work process changes to be initiated and expedited.

Review and concur with technical content of PRs and subcontract packages prior to bid within project and discipline areas or responsibility within the CCD manager scope.

Provide engineering review and concurrence for the procurement strategy for the select discipline commodities within the CCD manager’s scope.

Mentor/coach less experienced engineers and dedicate time and efforts toward growing talents.

Accountability

Accountable to the Natrium Core Design Senior Manager for functional direction and to ensure that work is performed, and projects are designed, in a safe, reliable, and efficient manner in accordance with standard operating documents and all applicable laws, regulations, codes, standards, and technical requirements.

Accountable to Natrium Core Design Senior Manager for implementing project design requirements and for ensuring project design is performed by trained and qualified engineers.

Authorities

Resolving interpretation issues for implementing design standards.

Approve discipline specific guides, design criteria, and instructions.

Approve written responses/presentations to external organizations that are applicable to the

discipline.

Coordinating with project stakeholders and allocating engineering staff to support work scope

within the Engineering Manager's area of responsibility.

Approve discipline specific engineering products/documents.

Key Qualifications and Skills

At least 8+ years of experience in the nuclear industry with a B.S. in Mechanical or Nuclear Engineering, or other relevant technical degree from an accredited university, or an M.S. or Ph.D.