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  • Experience supporting joint ventures or investor-backed companies  Benefits • Competitive compensation packages • 401k with company match • Medical, dental, vision plans • Generous vacation policy, plus holidays Estimated Starting Salary Range The estimated starting salary range for this role is $118,000 - $140,000 annually less applicable withholdings and deductions, paid on a bi-weekly basis. The actual salary offered may vary based on relevant factors as determined in the Company’s discretion, which may include experience, qualifications, tenure, skill set, availability of qualified candidates, geographic location, certifications held, and other criteria deemed pertinent to the particular role.  EEO Statement The Nuclear Company is an equal opportunity employer committed to fostering an environment of inclusion in the workplace. We provide equal employment opportunities to all qualified applicants and employees without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other protected characteristic. We prohibit discrimination in all aspects of employment, including hiring, promotion, demotion, transfer, compensation, and termination. Export Control Certain positions at The Nuclear Company may involve access to information and technology subject to export controls under U.S. law. Compliance with these export controls may result in The Nuclear Company limiting its consideration of certain applicants.   Recruiting Fraud Alert Your safety is our priority. We want to ensure your job search stays secure. Please note that the team at The Nuclear Company only communicates through official @thenuclearcompany.com email addresses. We will never ask for payments or sensitive financial information at any stage of our recruitment process. For your peace of mind, please verify all openings and submit your applications directly through our official careers page. The Nuclear Company does not accept unsolicited resumes from recruiters or staffing agencies. Please do not contact The Nuclear Company employees directly about candidate placements.