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.

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 HR Generalist The Senior HR Generalist serves as a trusted HR partner in a highly regulated, safety-critical environment. This role provides advanced human resources support across labor relations, employee relations, investigations, compliance, and HR operations, with a strong emphasis on safety culture, regulatory compliance, and risk mitigation. The Senior HR Generalist, reporting to the HR Manager, partners closely with managers, employees, Legal, and HR leadership to ensure consistent, fair, and compliant application of policies, collective bargaining agreements (where applicable), and employment laws, while reinforcing a culture of accountability, transparency, and respect that supports safe and reliable operations.

This position is dedicated to supporting operations in Kemmerer, WY, including client-facing support and workforce partnership. The Senior HR Generalist will also serve as a backup resource for onboarding and operational HR processes as needed.

Key Responsibilities

: Employee Relations & Workforce Support Partner closely with the Senior Employment Relations Specialist to serve as the primary point of contact for complex employee relations matters, including performance management, conduct issues, attendance concerns, workplace conflicts, and behavioral matters.

Requirements

Support thorough documentation and case management to mitigate organizational risk. Support workforce transitions, organizational changes, and site-based employee matters in partnership with leadership. Labor Relations (Where Applicable) Provide HR support in environments with represented employees.

Assist with interpretation and administration of collective bargaining agreements. Support grievance processes, including intake, investigation, documentation, response drafting, and resolution tracking. Partner with HR leadership and Legal on labor relations strategy, contract interpretation, and risk assessment.

Support labor-management meetings or preparation activities, as assigned.