Maintenance Supervisor

Overview TerraPower is a nuclear technology company based in Bellevue, Washington. The company aims to raise living standards globally through affordable, secure, and environmentally friendly nuclear energy and innovations in medical isotopes. TerraPower’s mission is to be a world leader in new nuclear technologies, while developing innovators and future leaders in the nuclear field. TerraPower seeks highly motivated professionals focused on advanced nuclear reactor research and development and the 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, disability, protected Veteran status, or any other characteristic protected by law. Position Maintenance Supervisor TerraPower is seeking a Maintenance Supervisor to support the Natrium Demonstration Project in Kemmerer, Wyoming. This role oversees maintenance activities during construction, commissioning, and operational readiness of the Natrium advanced reactor facility. The Maintenance Supervisor leads maintenance personnel, ensures regulatory and procedural compliance, and supports the development and execution of maintenance programs essential to safe and reliable plant operation. This position reports to the Maintenance Execution Manager and collaborates with Operations, Engineering, Work Management, Construction, and other internal stakeholders. The Maintenance Supervisor helps establish maintenance processes, supports system turnover from construction to operations, and reinforces 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 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. Note: 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 may be essential functions the employee must fulfill, with or without accommodation. The following describe typical actions and conditions; accommodations may be considered on a case‑by‑case basis. 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%. Compliance TerraPower's technology is controlled for export by various agencies of the U.S. Government. TerraPower may evaluate applicants who are foreign nationals in accordance with export control requirements. You may be asked to identify whether you are a U.S. Citizen or national, asylee, refugee, or lawful permanent resident of the United States as part of the application process. Government export authorization approval times vary. TerraPower may not consider a foreign national from a country if timely approval cannot be obtained. Job details Salary Range Level 12: $141,385 – $212,079 Job Type: Full-time 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 Affirmation Benefits Parental Leave 401k Plan Generous Paid Time Off (PTO) – 21 days annually Generous Holiday Schedule – 10 paid holidays Relocation Assistance Professional and Educational Support Opportunities TerraPower Career and Benefits information: #J-18808-Ljbffr