Senior Manager, Reactor Services

About this role

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.

About the role

The Sr. Manager, Reactor Services will play a key leadership role in building and scaling TNC Services' reactor services business across the commercial nuclear industry. This highly visible, customer-facing position combines reactor services expertise, operational leadership, and business development, with responsibility for developing strategic utility relationships, identifying and winning new opportunities, and ensuring exceptional execution of reactor maintenance and field service projects.

We are seeking an established nuclear services leader with deep industry relationships and a proven track record across reactor services, refueling outages, customer engagement, and business growth. The successful candidate will serve as a trusted partner to utility customers while helping shape TNC Services' capabilities, market strategy, and long-term growth

*Please note this is one role, posted multiple places for visibility.

Responsibilities

Operations & Project Leadership

• Lead the execution of reactor services projects, including refueling outage support, reactor vessel inspections, reactor internals maintenance, reactor diagnostics, and specialized field services.

• Provide technical leadership for reactor maintenance activities, ensuring work is executed in accordance with plant procedures, engineering requirements, and applicable nuclear safety and quality standards.

• Develop project scopes, work packages, schedules, staffing plans, budgets, estimates, and execution strategies for assigned projects.

• Monitor project performance, schedules, budgets, and key performance indicators to ensure successful project delivery.

• Support proposal development, technical estimating, bid preparation, and business development initiatives for reactor service opportunities.

• Maintain accurate project documentation, maintenance records, inspection reports, and technical documentation to support operational and business decisions.

Team Leadership

• Supervise and provide leadership to reactor service technicians, maintenance personnel, subcontractors, and technical specialists during outage and maintenance activities.

• Mentor and develop technical personnel through coaching, performance feedback, succession planning, and professional development opportunities.

• Foster a culture of nuclear safety, accountability, collaboration, and continuous improvement.

• Partner with the Training Team to develop and implement technical and safety training programs while ensuring employees maintain required certifications, qualifications, and radiological training.

Technical Oversight & Compliance

• Ensure all work complies with nuclear safety culture principles, NRC regulations, quality assurance requirements, radiological controls, and customer procedures.

• Inspect reactor plant systems, reactor vessel components, reactor internals, and associated equipment to identify hazards, deficiencies, or maintenance requirements.

• Provide technical guidance for diagnosing and resolving complex reactor system issues while supporting safe and efficient outage execution.

• Support quality reviews and audits to ensure compliance with applicable regulatory, code, and company requirements.

Customer & Business Development

• Serve as a senior relationship leader for utility customers, building trusted partnerships with plant leadership, outage organizations, maintenance teams, and key decision-makers.

• Identify and develop new reactor services opportunities by understanding customer needs, upcoming outage scopes, fleet priorities, and long-term maintenance strategies.

• Lead customer engagement throughout the business development lifecycle, from early opportunity identification and solution development through proposal, award, execution, and post-project follow-up.

• Partner with company leadership to shape TNC Services’ reactor services growth strategy, service offeri

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