Director of Accounting, Nuclear

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

The Director of Accounting, Nuclear serves as the controllership lead across TNC's Nuclear businesses, including deployment projects and Services operations. Reporting directly to the Chief Accounting Officer, this role owns the integrity of financial results, month-end close, corporate consolidation handoffs, accounting policy, and internal controls across operating entities, projects, joint ventures, special-purpose vehicles, and acquired businesses.

The Director partners with business finance leaders, Corporate Controllership, Technical Accounting, and external auditors to establish scalable processes, integrate acquisitions and new entities, and maintain audit readiness as the business grows. This is a build-and-scale leadership role for a hands-on player-coach who can strengthen accounting capabilities while advancing SOX and internal control over financial reporting readiness.

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

• Close and financial reporting. Own the accuracy, completeness, and timeliness of Nuclear financial results, project reporting, month-end close, and reporting into corporate consolidation. Align close calendars, accounting policies, reporting requirements, and consolidation handoffs with the Corporate Controller.
• Technical accounting and policy. Ensure consistent application of U.S. GAAP across service contracts, development and capital projects, joint ventures, special-purpose vehicles, and acquired businesses. Lead accounting for revenue recognition under ASC 606; project and development costs under ASC 720 and ASC 340; construction in progress, capitalization, and impairment under ASC 360; consolidation under ASC 810; power purchase agreements under ASC 606 or ASC 842;
  
  and intercompany transactions.
• Project and entity accounting. Establish reliable…