Manager, Site Human Resources

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 Site HR Manager will lead all human resources activities at our nuclear construction site, ensuring compliance with federal and state regulations, fostering a safe and inclusive work environment, and supporting the workforce through practical, site-focused HR programs. This role is critical to managing labor relations, workforce planning, and HR operations in a high-risk, highly regulated construction environment.

As one of the first HR leaders in the field, you will set the standard for how we treat, support, and engage a large and growing site workforce, including direct employees, craft labor, and contractor partners. You will be the trusted HR presence on site, working side by side with project leadership while coordinating closely with corporate HR.

Responsibilities

HR Leadership & Strategy

Serve as the primary HR point of contact for site leadership and employees

Design and implement site HR systems and workflows, including onboarding, timekeeping, payroll inputs, case management, and records retention, that scale as the site workforce grows

Establish standard operating procedures and templates for investigations, accommodations, return-to-work, and contractor HR coordination

Build the site HR team over time, defining roles, hiring, and developing HR coordinators and specialists as headcount ramps

Develop and implement site-specific HR strategies aligned with corporate goals and regulatory requirements

Partner with project leadership and corporate Talent Acquisition to support workforce planning and the ramp-up of site staffing

Compliance & Labor Relations

Ensure compliance with NRC, DOE, OSHA, and other applicable federal, state, and local requirements

Maintain accurate records and reporting to support audits and inspections

Lead investigations and manage employee relations issues with discretion and integrity

Support a positive labor environment, working with craft and trade partners to resolve disputes effectively

Manage accommodations and modified or return-to-work duty for injured workers, in coordination with Safety and workers’ compensation partners

Talent & Culture

Oversee onboarding and development programs tailored to nuclear site requirements

Promote career development and succession planning for site personnel

Foster a culture of safety, accountability, and continuous improvement

Support team-building and engagement in a transient, fast-moving project environment

HR Operations

Manage payroll, benefits, and HRIS processes in coordination with corporate HR

Oversee timecards, shift differentials, per diem, travel pay, and project-specific premium pay

Monitor and report on HR metrics, including turnover, engagement, and safety-related trends

Coordinate with corporate HR, Finance, and Legal on policies, compensation practices, and shared-service arrangements between the JV and its parent companies

Experience

Bachelor’s degree in Human Resources, Business Administration, or a related field

7+ years of progressive HR experience, with at least 3 years in a construction or industrial setting

Experience building or standing up HR processes, policies, and systems in a new or rapidly scaling organization, ideally at a greenfield site or project

Working knowledge of HRIS, timekeeping, and payroll systems, with the ability to configure or coordinate site-specific workflows (e.g., shift differentials, per diem, premium pay, multi-state compliance)

Strong knowledge of employment law, labor relations, and safety regulations

Experience in nuclear, energy, or another highly regulated industry

Exceptional interpersonal, leadership, and conflict resolution skills

Ability to work in a fast-paced, high-stakes environment with multiple stakeholders

Comfort with ambiguity and the ability to build site HR practices in a new company

Willingness to be on site and eligible to meet site access and background screening requirements

Preferred Experience

Construction experience, including large capital projects or work with union and craft labor

Experience launching HR operations for a large capital project or construction site, including scaling from a small team to hundreds or thousands of workers

Experience implementing or integrating HRIS, timekeeping, and workforce management tools across site, corporate, and contractor environments

Knowledge of Fitness-for-Duty and Access Authorization programs

PHR/SPHR or SHRM-CP/SCP certification

Master’s degree in Human Resources, Business Administration, or a related field

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