Radiation Safety Officer (RSO)

About the role

This position will be on-site in Idaho Falls, Idaho.

Responsibilities

• Serve as the designated Radiation Safety Officer with technical authority and accountability for the IRL Radiation Protection Program in accordance with NRC requirements, applicable State regulations, and site procedures.
• Establish, maintain, and enforce radiation protection standards, radiological controls, and operational procedures using sound health physics principles.
• Provide technical oversight and guidance for radioactive material handling, isotope production activities, contamination controls, radioactive waste management, and radiological work planning.
• Lead, mentor, and develop radiation protection personnel, technicians, and operational staff to maintain strong field execution and radiological safety culture.
• Perform and oversee complex radiological evaluations including shielding analyses, dose assessments, contamination control strategies, ALARA planning, and radiological work reviews.
• Integrate radiation protection requirements into facility modifications, operational procedures, commissioning activities, and infrastructure upgrades.
• Serve as the primary technical interface with regulatory authorities during inspections, audits, licensing activities, and regulatory communications.
• Help prepare, review, and approve regulatory documentation, license amendments, corrective action plans, radiological procedures, and radiation safety training programs.
• Lead investigations of radiological events, abnormal occurrences, and operational issues including root cause analysis and corrective action development.
• Support operational readiness, emergency preparedness, and commissioning activities associated with IRL operations.
• Partner with operations, engineering, maintenance, laboratory, and leadership teams to align radiation protection strategies with operational goals and long-term facility objectives.
• Promote operational excellence, procedural compliance, industrial safety, and a strong nuclear safety culture.

Requirements

• Bachelor’s degree in Health Physics, Nuclear Engineering, Radiochemistry, Chemistry, Physics, or a related technical discipline.
• Minimum of 10 years of progressively responsible experience in health physics, radiation safety, or radiological operations within regulated nuclear, isotope production, laboratory, or industrial environments.
• Demonstrated experience implementing and managing radiation protection programs in regulated radiological environments.
• Experience leading or supervising technical staff, including mentoring, training, and professional development.
• Strong working knowledge of NRC regulations, radiation protection principles, ALARA practices, contamination controls, and radiological work planning.
• Demonstrated ability to communicate effectively with regulators, senior leadership, and multidisciplinary technical teams.
• Strong technical writing, organizational, problem-solving, and operational decision-making skills.

Qualifications

• Certified Health Physicist (CHP) strongly preferred.
• Experience supporting radioisotope production facilities, hot cell operations, gloveboxes, or nuclear laboratory environments.
• Experience supporting startup, commissioning, or operational readiness activities.
• Experience interfacing with NRC inspectors, Agreement State regulators, or external regulatory agencies.
• Familiarity with radioactive material transportation, waste management, and laboratory radiological controls.

Skills

• Passionate about unleashing beneficial isotopes.
• Committed to operational excellence and nuclear safety culture.
• Willing and able to learn quickly.
• Eager to work on a dynamic team, receive constructive feedback, and grow with us.
• Willing to think differently and do things in new ways.
• Comfortable in a fast-paced, highly iterative startup environment.
• Excited to think creatively, critically, and reflectively about the problems they are solving.
• An excellent writer who can write in modern active voice, so make your cover letter compelling and write it well!
• Detail-oriented and committed to procedural compliance and technical rigor.
• Capable of exercising sound judgment and decision-making in radiological and operational environments.

Benefits

Compensation: Salary: $120,000-$170,000

Other benefits: Flexible time off, equity, bonuses, competitive pay, 401(k), health insurance (with employer contribution), HSA, FSA, flexible work hours, wellness credits, and other benefits.

Pay

$120,000-$170,000

Schedule

Remote with frequent travel to site as needed may be considered.

Company Information

Oklo Inc. is developing fast fission power plants to deliver clean, reliable, and affordable energy at scale; establishing a domestic supply chain for critical radioisotopes; and advancing nuclear fuel recycling to convert nuclear waste into clean energy. Oklo was the first to receive a site use permit from the U.S. Department of Energy for a commercial advanced fission plant, was awarded fuel material from Idaho National Laboratory, and submitted the first custom combined license application for an advanced reactor to the U.S. Nuclear Regulatory Commission. Oklo is also developing advanced fuel recycling technologies in collaboration with the U.S. Department of Energy and U.S. National Laboratories.

Oklo’s Values

Collaboration: We go further, together. We bring diverse perspectives, listen actively, and build trust through transparency and respect. We work across disciplines, sharing ownership to turn complex challenges into shared successes. Humility: We are team players who act for the good of the company and for the world. We are focused on our mission, not personal recognition. Ownership: We take pride in what we do and how we do it. We are proactive in finding solutions and see tasks through to completion. We are committed to delivering on our promises to provide clean, reliable, and affordable energy. Pathfinding: We chart new ground where no path exists by approaching challenges with curiosity, courage, and creativity while navigating ambiguity.

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