Reactor Engineer Jobs
Reactor Engineer jobs are open across nuclear power generation, defense, national laboratories, and advanced reactor development, from early-career to senior principal levels, with specializations in reactor physics, fuel cycle engineering, and thermal hydraulics. Find a role that fits from the openings below and apply directly.
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Showing 5 of 14+ Reactor Engineer jobs
Location: Covert, MI (On‑site)
Primary Responsibilities:
- Manages core performance monitoring and trending, fuel management and configuration control, and the Special Nuclear Material and Accountability program.
- Evaluates core component lifetime and provides replacement instructions.
- Supports training of Operations and Engineering on fuel and core related topics.
- Serves as the site fuel reliability monitor and champions the fuel reliability program.
- Supports Operations for maneuvers/core analysis/operating limits considerations.
- Serves as a subject matter expert for the reactor core and associated areas.
- Manages reactor core-related surveillances and startup testing.
- Monitors maintenance and revision to Reactor Engineering procedures.
- Supports dry fuel storage-related activities and irradiated core component disposal.
- Implements fuel storage and handling requirements.
- Supports core reload design analysis and batch reload implementation.
Requirements:
- B.S. Degree in Nuclear Engineering or a closely related scientific discipline.
- Excellent communication skills.
- Experience/proficiency in PC use and applications.
- SRO license or certification on a PWR or BWR preferred
- Professional Engineering license preferred
A Generation Ahead by Design™
Investing in people who power the future.
We believe great work deserves great rewards. Our benefits go beyond the basics, reflecting our commitment to supporting your whole self…your health, your future, and your career growth. This includes:
Benefits:
- Industry‑leading medical, dental, and vision coverage with a generous employer premium contribution and Day 1 eligibility!
- FLEX Program – Hybrid work opportunities available for eligible roles, where business needs and role requirements allow
- 401(k) retirement plan with up to a 5% company match and immediate vesting to support long‑term financial security
- Paid time off and 11 paid holidays to support rest, balance, and recharge
- Wellness program offering rewards for participation in company‑supported health initiatives
- Commuter benefits supporting mass transit and commuter parking options
- Company‑paid life and AD&D insurance for added peace of mind
- Education assistance to support continued education and professional growth
- Employee support and voluntary benefits, including an Employee Assistance Program and optional coverage such as disability, legal, identity theft, and insurance programs
- Benefits eligibility and offerings may vary based on role, location, and employment status
If you’re driven to solve meaningful challenges and make a lasting impact, we invite you to build your career at Holtec—a generation ahead by design™.
Location: Covert, MI (On‑site)
Primary Responsibilities:
- Manages core performance monitoring and trending, fuel management and configuration control, and the Special Nuclear Material and Accountability program.
- Evaluates core component lifetime and provides replacement instructions.
- Supports training of Operations and Engineering on fuel and core related topics.
- Serves as the site fuel reliability monitor and champions the fuel reliability program.
- Supports Operations for maneuvers/core analysis/operating limits considerations.
- Serves as a subject matter expert for the reactor core and associated areas.
- Manages reactor core-related surveillances and startup testing.
- Monitors maintenance and revision to Reactor Engineering procedures.
- Supports dry fuel storage-related activities and irradiated core component disposal.
- Implements fuel storage and handling requirements.
- Supports core reload design analysis and batch reload implementation.
Requirements:
- B.S. Degree in Nuclear Engineering or a closely related scientific discipline.
- Excellent communication skills.
- Experience/proficiency in PC use and applications.
- SRO license or certification on a PWR or BWR preferred
- Professional Engineering license preferred
A Generation Ahead by Design™
Investing in people who power the future.
We believe great work deserves great rewards. Our benefits go beyond the basics, reflecting our commitment to supporting your whole self…your health, your future, and your career growth. This includes:
Benefits:
- Industry‑leading medical, dental, and vision coverage with a generous employer premium contribution and Day 1 eligibility!
- FLEX Program – Hybrid work opportunities available for eligible roles, where business needs and role requirements allow
- 401(k) retirement plan with up to a 5% company match and immediate vesting to support long‑term financial security
- Paid time off and 11 paid holidays to support rest, balance, and recharge
- Wellness program offering rewards for participation in company‑supported health initiatives
- Commuter benefits supporting mass transit and commuter parking options
- Company‑paid life and AD&D insurance for added peace of mind
- Education assistance to support continued education and professional growth
- Employee support and voluntary benefits, including an Employee Assistance Program and optional coverage such as disability, legal, identity theft, and insurance programs
- Benefits eligibility and offerings may vary based on role, location, and employment status
If you’re driven to solve meaningful challenges and make a lasting impact, we invite you to build your career at Holtec—a generation ahead by design™.
Reactor Engineer Jobs by Experience Level
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Find Reactor Engineer JobsReactor Engineer Job Market
Who's Hiring
Top Industries Hiring
- Energy
- Manufacturing
- Aerospace & Defense
What Employers Look For
The qualifications that appear most often in reactor engineer jobs.
- Bachelor's or master's degree in nuclear engineering or closely related field
- Proficiency with reactor physics or thermal-hydraulics codes such as MCNP, RELAP, or SCALE
- Experience with NRC licensing, safety analysis reports, or design-basis calculations
- Active or eligibility for a Department of Energy or Department of Defense security clearance
- Knowledge of nuclear fuel cycle, core design, or reactor operations principles
- Familiarity with 10 CFR regulatory requirements and nuclear quality assurance standards
Tips for Your Reactor Engineer Job Search
Tailor your resume to reactor type
Light-water reactor experience and advanced reactor design are distinct skill sets to hiring managers. Specify the reactor type, neutron spectrum, and core design tools you've worked with so screeners can immediately place your background against the opening.
Lead with your clearance status
Many reactor engineer roles at national labs and defense contractors require a security clearance. Put your clearance level and current status near the top of your resume so recruiters don't have to hunt for it and your application clears the first filter.
Apply early to roles that fit
Migrate Mate lists reactor engineer openings from across the United States in one place, so you can find roles that match and apply directly to each listing.
Highlight simulation and analysis tools
Proficiency with MCNP, RELAP, SCALE, or TRACE is often what separates candidates on paper. Name the specific codes, the analyses you ran, and the physical phenomena you modeled rather than listing software generically.
Prepare for design-basis scenario questions
Technical interviews almost always include loss-of-coolant accident scenarios or reactivity management questions. Walk through your analytical approach aloud, reference the safety criteria you applied, and explain how your conclusions fed into licensing or design decisions.
Research the facility's regulatory history
Before your interview, review the plant's or lab's recent NRC inspection reports and any corrective action trends. Referencing a specific technical challenge the site has navigated signals genuine operational awareness and sets you apart from candidates who only studied the job description.
Reactor Engineer Jobs: Frequently Asked Questions
Which companies are hiring the most reactor engineers?
The companies hiring the most reactor engineers right now include Radiant Nuclear, Westinghouse Electric Company, and Entergy, with the largest share of openings in Pennsylvania, California, and Texas, based on current listings on Migrate Mate as of August 2026. Demand is concentrated at nuclear utilities, national laboratories, and advanced reactor developers scaling toward deployment.
How many reactor engineer jobs are remote?
About 43% of reactor engineer openings are fully remote or hybrid as of August 2026, reflecting the hands-on and security-sensitive nature of most reactor work. Roles most likely to allow remote arrangements include reactor physics modeling, fuel cycle analysis, and licensing support that does not require on-site access to plant systems or classified facilities.
How do you become a reactor engineer?
You typically start with a bachelor's degree in nuclear engineering, although mechanical, electrical, or physics degrees with relevant coursework are accepted by many employers. From there, gaining proficiency in industry-standard neutronics or thermal-hydraulics codes is essential. Many engineers enter through internships at national laboratories, nuclear utilities, or reactor vendors, where they build hands-on analysis and licensing experience before moving into full engineering roles.
How do you get hired as a reactor engineer with little experience?
Focus on demonstrating analytical competency with codes like MCNP or RELAP through coursework projects or thesis work, since employers weigh simulation ability heavily at the entry level. Internships at national laboratories or nuclear utility training programs are the most direct path. Applying for roles explicitly labeled junior, associate, or engineer-in-training improves your chances, and obtaining a Fundamentals of Engineering credential can strengthen an early application.
What does the reactor engineer interview process look like?
Most reactor engineer interview processes begin with a recruiter screen focused on clearance eligibility and core technical background. A technical phone or video interview follows, typically covering reactor physics concepts, safety analysis methodology, or a specific code you listed on your resume. Final rounds usually involve a panel with engineering leads who walk through a design-basis or accident scenario in depth, sometimes asking you to review a simplified problem on the spot before discussing your approach.
Where can I find and apply to reactor engineer jobs?
You can find and apply to reactor engineer jobs on Migrate Mate, which lists current openings from employers across the United States. Search the listings to find roles that match your experience, specialization, and location preference, then apply directly to each one that fits.
See All 14 Reactor Engineer Jobs
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