Head of Security

Last Energy is seeking a Head of Security to lead all security and safeguards functions across the company's offices, projects, and operations. This is a senior leadership role with direct CEO reporting, responsible for setting and maintaining the highest standards across physical security, cybersecurity, and material control & accounting (MC&A). The Head of Security will work closely with on-site security officers, the IT department, and external contractors to ensure robust, compliant, and scalable security programs as Last Energy grows.

Key Duties & Responsibilities

• Architect and lead a comprehensive security program spanning cybersecurity, physical security, and Material Control & Accounting (MC&A) across all Last Energy facilities and corporate infrastructure
• Develop and coordinate the implementation of Site Security and MC&A Plans for all Last Energy facilities, ensuring alignment with regulatory requirements and organizational risk tolerance
• Direct the protection of operational technology (OT), industrial control systems (ICS), and corporate networks, ensuring resilience against cyber and physical threats across all environments
• Oversee day-to-day security operations across Last Energy sites, ensuring compliance with DOE regulations, NRC requirements, and applicable international nuclear security standards
• Serve as the primary point of contact for DOE, NRC, and other regulators on all security matters, including audits, inspections, and reporting obligations
• Monitor the evolving regulatory landscape and proactively adapt the security program to meet new and emerging requirements
• Source, manage, and evaluate security contractors and vendors, ensuring performance standards, contractual obligations, and security clearance requirements are met
• Partner with engineering, operations, legal, and executive leadership to integrate security considerations into facility design, project planning, and business decisions
• Build and mentor an internal security team, fostering a culture of security awareness and accountability across the organization
• Other duties as assigned
  
  
  

Qualifications

• Bachelor's degree in engineering, computer science, business, or a related field; advanced degree preferred
• 7+ years of progressive experience in security operations, cybersecurity, or physical security, with at least 3 years in a leadership role
• Prior experience in nuclear, defense, or other highly regulated industrial environments strongly preferred
• Demonstrated experience developing and implementing security programs, policies, and plans in compliance with DOE, NRC, or equivalent regulatory frameworks
• Familiarity with OT/ICS/SCADA security principles and the unique challenges of securing industrial and nuclear environments
• Strong understanding of risk assessment methodologies, threat modeling, and security planning principles across both cyber and physical domains
• Proven ability to lead cross-functional teams, manage security contractors, and deliver complex programs on time and within budget
• Excellent communication skills, with experience interfacing directly with regulators, auditors, and senior leadership
• Practical, solutions-oriented mindset with the ability to operate effectively in a fast-paced, high-growth environment