Human Resources Director

About the Company

Hadron Energy specializes in Micro Modular Reactor (MMR) development, design, and research based in the San Francisco Bay Area. As a leading MMR developer, Hadron Energy is building factory-produced, transportable microreactors that provide 24/7 carbon-free power for data centers, government facilities, industrial sites, and remote communities. Our mission is to create a brighter, healthier, and more equitable energy future.

About the Role

This is a full-time hybrid role for a Director of Human Resources based in either the San Francisco Bay Area or New York City. The Director of Human Resources will play a critical role in scaling Hadron Energy’s people operations and organizational infrastructure. You will work closely with executive leadership and cross-functional teams across engineering, licensing, operations, manufacturing, finance, and business development to support recruiting, employee development, compensation planning, onboarding, compliance, and organizational growth initiatives. The role is ideal for a highly organized and execution-oriented HR leader who is passionate about building high-performing technical teams within a fast-paced environment. The position will help establish the foundational HR systems, policies, and operational processes necessary to support a rapidly scaling advanced nuclear technology company and public-company environment.

Responsibilities

• Support recruiting, employee development, compensation planning, onboarding, compliance, and organizational growth initiatives.
• Establish foundational HR systems, policies, and operational processes.
• Work closely with executive leadership and cross-functional teams.

Qualifications

• Bachelor’s degree in Human Resources, Business Administration, Organizational Development, or a related field.
• 7+ years of experience in human resources, talent acquisition, people operations, or organizational development.

Required Skills

• Experience supporting high-growth engineering, manufacturing, energy, aerospace, defense, or technology organizations.
• Strong understanding of recruiting operations, employee relations, compensation planning, onboarding, and HR compliance.
• Experience building scalable HR systems, policies, and organizational processes.
• Familiarity with employment law, payroll coordination, benefits administration, and HR best practices.
• Experience recruiting highly technical talent across engineering and operational disciplines.
• Strong communication, leadership, and interpersonal skills.
• Ability to operate effectively in a fast-paced and evolving startup environment.
• Experience supporting executive leadership and cross-functional technical teams.

Preferred Skills

• Familiarity with equity compensation, startup scaling, or public-company readiness is a plus.
• Experience within nuclear energy, advanced manufacturing, aerospace, defense, or other regulated industries is a plus.
• SHRM-CP, SHRM-SCP, PHR, or SPHR certification is a plus.
• Passion for clean energy and a startup-minded approach to problem-solving.