Maintenance Supervisor

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. Maintenance Supervisor TerraPower is seeking a Maintenance Supervisor to support the Natrium Demonstration Project in Kemmerer, Wyoming. This role is responsible for overseeing maintenance activities during construction, commissioning, and operational readiness of the Natrium advanced reactor facility. The Maintenance Supervisor will lead maintenance personnel, ensure compliance with regulatory and procedural requirements, and support the development and execution of maintenance programs essential to safe and reliable plant operation. This position reports to the Maintenance Execution Manager and works closely with Operations, Engineering, Work Management, Construction, and other internal stakeholders. The Maintenance Supervisor will play a key role in establishing maintenance processes, supporting system turnover from construction to operations, and reinforcing TerraPower’s nuclear safety culture. Responsibilities Lead and supervise maintenance technicians and contract personnel supporting the Natrium Demonstration Project. Oversee preventive, corrective, and predictive maintenance activities for mechanical, electrical, and I&C systems as they transition from construction to operational status. Ensure maintenance activities comply with NRC regulations, INPO guidelines, Natrium project procedures, and TerraPower quality standards. Support system walkdowns, construction turnover, and verification of system readiness for testing, commissioning, and operation. Coordinate maintenance planning and execution with Operations, Engineering, Work Management, Radiation Protection, and Construction teams. Reinforce nuclear safety culture, human performance tools, and ALARA principles. Ensure maintenance documentation, work packages, and Computerized Maintenance Management System (CMMS) records meet regulatory and project requirements. Support troubleshooting and resolution of equipment issues to maintain system reliability and support commissioning milestones. Assist in developing maintenance procedures, staffing plans, and long‑term maintenance strategies. Monitor maintenance performance metrics and implement corrective actions to improve reliability and efficiency. Participate in the corrective action program, root cause evaluations, and event investigations. Ensure maintenance tools, equipment, and materials are properly maintained and controlled. Support outage planning and execution as the Natrium plant transitions to operational phases. Key Qualifications & Skills Minimum 6 years of maintenance experience in power generation, industrial operations, or a related field. At least 3 years of leadership or supervisory experience. Strong technical knowledge of mechanical, electrical, and I&C systems. Experience working in highly regulated environments; nuclear industry experience strongly preferred. Ability to interpret technical drawings, procedures, and regulatory requirements. Demonstrated ability to lead multidisciplinary teams. Strong organizational, analytical, and problem‑solving skills. Excellent written and verbal communication skills. Proficiency with CMMS tools and maintenance planning processes. Experience supporting construction‑to‑operations transitions or commissioning activities. Experience with EVMS, project controls, or equipment reliability programs. This position is subject to qualification requirements in accordance with ANSI/ANS 3.1. Candidates must meet the minimum education and experience criteria applicable to the role, including relevant nuclear industry experience where required. Verification of data will be part of the hiring process. Job Functions Job Functions are physical actions and/or working conditions associated with the position. These functions may also constitute essential functions for the job which the employee must be able to fulfill, with or without accommodation. Information provided below is to help describe the job so that the applicant has a reasonable understanding of the job duties/expectations. An applicant's ability to perform and/or tolerate these actions and conditions will be discussed and workplace accommodations may be made on a case‑by‑case basis following an individualized assessment of the applicant and other considerations, including but not limited to any governing safety standards. Motor Abilities: Sitting for extended periods, bending/stooping, grasping/gripping, fine motor control (hands) Physical exertion and/or requirements: Minimal, with ability to safely lift up to 25 pounds. Repetitive work: Prolonged Special Senses: Visual and audio focused work Work Conditions: Stairs, typing/keyboard, standard and/or sitting working environment of >8 hours/day Travel required 0-10% TerraPower’s technology is controlled for export by various agencies of the U.S. Government. TerraPower must evaluate applicants who are foreign nationals (other than asylees, refugees, or lawful permanent residents) in accordance with U.S. Government export control requirements. To facilitate TerraPower’s export control reviews, you will be asked as part of the application process to identify whether you are a U.S. Citizen or national, asylee, refugee, or lawful permanent resident of the United States. Government export authorization approval times vary. Based on the business needs for a particular position, TerraPower may not consider a foreign national from a country if it is impracticable to obtain timely Government export approval. Job details Salary Range: $141,385 – $212,079 Job Type: Full‑time We typically place offers in the lower to middle portion of the range to maintain internal equity and allow room for growth. Any salary offered within the posted salary band is based on market data and commensurate with the selected individual’s qualifications and experience. This range is specific to Wyoming. Benefits: Competitive Compensation Salary, eligible to participate in discretionary short‑term incentive payments Comprehensive Medical and Wellness Benefits Medical Vision Dental Life and Disability Gender Affiration Benefits Parental Leave 401k Plan Generous Paid Time Off (PTO) 21 days of annually accrued PTO Generous Holiday Schedule 10 paid holidays Relocation Assistance Professional and Educational Support Opportunities TerraPower Career and Benefits information: #J-18808-Ljbffr