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Senior Reactor Physics Jobs (NOW HIRING)

Knowledge of reactor physics, source term analysis, shielding analysis, criticality concepts, dose analysis, and PWR systems. * Experience supporting NRC licensing activities. * Familiarity with IEEE ...

Knowledge of reactor physics, source term analysis, shielding analysis, criticality concepts, dose analysis, and PWR systems. * Experience supporting NRC licensing activities. * Familiarity with IEEE ...

Knowledge of reactor physics, source term analysis, shielding analysis, criticality concepts, dose analysis, and PWR systems. * Experience supporting NRC licensing activities. * Familiarity with IEEE ...

Knowledge of reactor physics, source term analysis, shielding analysis, criticality concepts, dose analysis, and PWR systems. * Experience supporting NRC licensing activities. * Familiarity with IEEE ...

Reactor Engineer

Berwick, PA · On-site

$94K - $113K/yr

... physics testing 8. Administration and operation of the Powerplex core monitoring system 9. Review ... for Senior Engineer level: * Bachelor's Degree in Chemical, Mechanical, or Nuclear Engineering or ...

... physics testing 8. Administration and operation of the Powerplex core monitoring system 9. Review ... for Senior Engineer level: * Bachelor's Degree in Chemical, Mechanical, or Nuclear Engineering or ...

Reactor Engineer

Berwick, PA · On-site

$94K - $113K/yr

... physics testing 8. Administration and operation of the Powerplex core monitoring system 9. Review ... for Senior Engineer level: * Bachelor's Degree in Chemical, Mechanical, or Nuclear Engineering or ...

Nuclear Training Instructor

Lockhart, TX · On-site +1

$52K - $68K/yr

Experience as a certified nuclear instructor, licensed operator, senior reactor operator (SRO), or ... Familiarity with reactor physics, core design fundamentals, thermal hydraulics, or probabilistic ...

Nuclear Engineer

Salem, NM

$78K - $94K/yr

... reactor physics, materials development, component design for steam generators, pumps, and valves ... with senior civilian engineers, naval officers, and technical teams; high expectations for ...

Showing results 21-40

Senior Reactor Physics information

See salary details

$25K

$80.3K

$163.5K

How much do senior reactor physics jobs pay per year?

As of Aug 12, 2026, the average yearly pay for senior reactor physics in the United States is $80,287.00, according to ZipRecruiter salary data. Most workers in this role earn between $41,500.00 and $103,000.00 per year, depending on experience, location, and employer.

What is the difference between Senior Reactor Physics vs Reactor Physics Engineer?

AspectSenior Reactor PhysicsReactor Physics Engineer
Required CredentialsBachelor's or Master's in Nuclear Engineering, often with experienceBachelor's or Master's in Nuclear Engineering or related field
Work EnvironmentResearch facilities, nuclear power plants, government labsDesign, analysis, and testing in nuclear facilities or research centers
Employer & Industry UsageUtilities, government agencies, research institutionsNuclear power plants, engineering firms, research labs

Both roles involve nuclear reactor analysis, but Senior Reactor Physics typically requires more experience and leadership responsibilities, focusing on oversight and complex analysis. Reactor Physics Engineers often focus on design, modeling, and technical analysis under supervision. The senior role emphasizes project management and strategic planning, while the engineer role is more technical and hands-on.

More about Senior Reactor Physics jobs
What cities are hiring for Senior Reactor Physics jobs? Cities with the most Senior Reactor Physics job openings:
What are the most commonly searched types of Reactor Physics jobs? The most popular types of Reactor Physics jobs are:
What states have the most Senior Reactor Physics jobs? States with the most job openings for Senior Reactor Physics jobs include:
Infographic showing various Senior Reactor Physics job openings in the United States as of August 2026, with employment types broken down into 1% As Needed, 77% Full Time, 20% Part Time, and 2% Contract. Highlights an 81% Physical, 2% Hybrid, and 17% Remote job distribution, with an average salary of $80,287 per year, or $38.6 per hour.

Chief Technology Officer (CTO) - Nuclear/SMR

BaRupOn LLC

Irvine, CA • On-site

Full-time

Re-posted 22 days ago


Job description

Job Summary:
BaRupOn LLC is a vertically integrated American company focused on advancing clean energy through Small Modular Reactor (SMR) and Micro Modular Reactor (MMR) technologies. The Chief Technology Officer (CTO) will lead the strategic and technical direction of these programs, overseeing reactor design, regulatory compliance, and team development.
Responsibilities:
• Lead pre-application engagement, design certification, and combined license (COL) processes with the U.S. Nuclear Regulatory Commission.
• Serve as the Company’s primary technical liaison with the NRC, DOE, and relevant federal and state regulatory agencies.
• Lead and coordinate all responses to NRC Requests for Additional Information (RAIs), audits, and public hearings.
• Develop and execute licensing roadmaps that align with the Company’s commercialization timelines and capital strategy.
• Oversee SMR/MMR reactor design and full system integration across nuclear, mechanical, electrical, instrumentation and controls (I&C), and safety systems.
• Ensure adherence to all applicable U.S. nuclear codes and standards, including ASME Boiler & Pressure Vessel Code, ANSI, and IEEE standards.
• Direct preparation and submission of all licensing documentation, including:
• Safety Analysis Reports (SAR/FSAR)
• Probabilistic Risk Assessments (PRA)
• Environmental Reports (ER) in compliance with NEPA
• Ensure full compliance with 10 CFR Parts 50, 52, and the emerging Part 53 framework for advanced reactors.
• Establish and maintain a technical quality assurance program consistent with 10 CFR Part 50 Appendix B.
• Lead R&D, prototyping, testing, and demonstration projects within U.S. regulatory frameworks.
• Ensure programs meet key milestones for licensing, construction permit, and operating license approvals.
• Monitor and evaluate emerging reactor technologies, regulatory developments, and competitive landscape to inform strategic decisions.
• Build, lead, and mentor a high-performing multidisciplinary nuclear engineering organization.
• Collaborate cross-functionally with legal, finance, operations, and executive leadership to align technical strategy with business objectives.
• Represent BaRupOn at industry conferences, DOE forums, NRC public meetings, and with external partners and investors.
Qualifications:
Required:
• Master’s degree or PhD in Nuclear Engineering, Mechanical Engineering, Physics, or a closely related field.
• Minimum 15–20 years of progressive experience in the U.S. nuclear industry.
• Demonstrated direct experience working with the U.S. Nuclear Regulatory Commission on reactor licensing, design certification, or regulatory compliance matters.
• Proven executive or senior technical leadership experience at the level of CTO, VP of Engineering, Director of Nuclear, or equivalent.
• Hands-on experience with SMR, advanced reactor, or Generation IV technologies.
• Deep working knowledge of: 10 CFR Part 50 – Licensing of Production and Utilization Facilities, 10 CFR Part 52 – Licenses, Certifications, and Approvals for Nuclear Power Plants, Emerging 10 CFR Part 53 framework for advanced and non-light-water reactors.
• Demonstrated experience preparing, submitting, and defending licensing applications, safety analyses, and PRAs before the NRC.
• Ability to obtain, or currently holding, applicable U.S. government security clearance, or eligibility to obtain one.
Preferred:
• Licensed Professional Engineer (PE) in the United States – strongly preferred.
• NRC Reactor Operator (RO) or Senior Reactor Operator (SRO) License – advantageous.
• Project Management Professional (PMP) or equivalent – preferred.
• Active membership in the American Nuclear Society (ANS) or equivalent U.S. nuclear professional organization.
• Prior experience with DOE Advanced Reactor Demonstration Programs (ARDP) or national laboratory partnerships.
Company:
BaRupOn LLC is an American infrastructure and technology company developing integrated energy, manufacturing, and healthcare supply systems designed to support the next generation of industrial growth. Founded in 2014, the company is headquartered in Irvine, USA, with a team of 51-200 employees. The company is currently Growth Stage.