Nuclear Services Administrative Supervisor

The Nuclear Company is the fastest growing AI tech-enabled startup in the nuclear and energy space, pioneering a fleet-scale approach to building the next generation of nuclear reactors. Through our design-once, build-many model, we're accelerating the deployment of safe, reliable, and affordable nuclear energy.

We operate with an AI-first mindset. Every employee is expected to leverage AI, technology, and the Nuclear Operating System (NOS) as integral components of their role to improve the quality, speed, and impact of their work. We expect every team member to continuously identify opportunities to automate workflows, enhance decision-making, improve processes, and contribute to the ongoing evolution of NOS as a strategic operating capability that enables The Nuclear Company to scale with excellence.

We hire people who are driven by purpose, thrive in ambiguity, and are energized by building what has never been built before. Our team combines intellectual curiosity with high agency, embraces candid feedback and continuous learning, and holds themselves and others to exceptional standards. Our values—
Transparency, Responsibility, Unity, Scrappiness, and Tenacity
—guide how we hire, collaborate, and make decisions every day. They are not words on a wall; they are the standard by which we operate. TRUST is the foundation of our safety culture, fostering intellectual honesty, accountability, and open communication, while our values challenge every team member to execute with urgency, humility, resilience, and an unwavering commitment to our mission.

TNC Services, the services division of The Nuclear Company, supports America's existing nuclear fleet by delivering specialized maintenance, outage execution, technical expertise, and workforce solutions. Built on the 25-year legacy of Powerhouse Resources, TNC Services combines proven operational expertise with The Nuclear Company's vision for the future, helping utilities maximize the reliability of today's nuclear fleet while advancing the next generation of nuclear energy.

The Nuclear Services Administrative Supervisor is responsible for leading the day-to-day administrative operations that support TNC Services' field operations and leadership team. This role oversees critical back‑office functions including payroll administration, timekeeping, billing support, employee onboarding coordination, records management, reporting, and administrative processes that enable the successful execution of outage and field service operations.

Working closely with Services Leadership, Operations, Human Resources, Finance, and field personnel, the Nuclear Services Administrative Supervisor ensures administrative processes are efficient, accurate, and compliant while providing exceptional support to employees and customers. This position also supervises a small administrative team, driving operational consistency, process improvement, and high-quality internal service.

• Oversee the day-to-day administrative functions supporting TNC Services operations.
• Develop, implement, and continuously improve administrative processes and workflows to enhance operational efficiency.
• Ensure administrative records, documentation, and files are accurate, organized, and maintained in accordance with company policies.
• Serve as the primary administrative resource for the Services Leadership Team.

• Manage the end-to-end payroll time collection process to ensure employees are paid accurately and on time.
• Oversee billing administration, including pay rates, bill rates, and customer billing support.
• Coordinate with General Managers, field leadership, and Finance to ensure timely submission and approval of employee timesheets.
• Identify, investigate, and resolve payroll, billing, and timekeeping discrepancies.
• Maintain accurate workforce records and administrative documentation supporting outage and field service personnel.

• Coordinate employee onboarding activities in partnership with Human Resources.
• Maintain employee records and ensure required employment documentation…