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, Scrappy, 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.

About the role

TNC is scaling its Services segment through a buy-and-build acquisition strategy layered on a growing organic field and professional services book. The Senior Manager of Finance, Services is the segment finance lead for Services, owning planning, forecasting, contract economics, and deal support for the segment. Accounting and controllership are centralized under the CAO; this role owns everything forward-looking for Services.

Role is embedded with the Services organization as the day-to-day finance partner to segment operating leaders, while reporting to the VP, Nuclear Finance, preserving a clean group finance line. Builds and leads the Services finance team so the segment can absorb acquisitions without losing forecast accuracy or reporting discipline. Success depends on operating fluently across two worlds...

1) the operational, field-driven rhythm of a labor-intensive services business, working closely with P&L owners on jobs, crews, and customers, and

2) group planning and reporting, partnering tightly with the VP, Nuclear Finance, the Controller's team, and Corporate FP&A so Services plugs cleanly into corporate processes.

NOTE* This is a hybrid position based in either our Columbia, South Carolina, or Washington, D.C. office, with the expectation of working in the office ~3 days per week. This is not a remote position. Candidates must live within commuting distance of one of these locations or be willing to relocate. The position may also be posted in nearby markets where commuting may be feasible for visibility.

Responsibilities

Business partnership & P&L leadership

Primary day-to-day finance partner to Services operating leaders and P&L owners; own the financial narrative behind the Services P&L
Bring financial rigor and challenge to the business; help shape pricing, rate cards, bidding, and margin decisions
Deliver decision-quality analysis on job profitability, unit economics, labor utilization, backlog, and working capital
Run the monthly operating review rhythm with Services leadership

FP&A and planning

Own the Services annual operating plan, rolling forecast, and long-range plan, integrating acquired businesses into a single segment operating model that rolls up cleanly to the group plan
Establish and track the KPIs that matter for the segment: job margin, utilization, backlog-to-bill, DSO and working capital
Maintain forecast accuracy standards for executive and board reporting