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Advanced Reactor Nuclear Engineer

Job in Idaho Falls, Bonneville County, Idaho, 83401, USA
Listing for: Search Jobs - INL Professional Careers
Full Time position
Listed on 2026-06-18
Job specializations:
  • Engineering
    Mechanical Engineer, Environmental Engineer, Research Scientist, Energy Engineer
Salary/Wage Range or Industry Benchmark: 114360 - 234336 USD Yearly USD 114360.00 234336.00 YEAR
Job Description & How to Apply Below

Idaho National Laboratory is hiring an Advanced Reactor Nuclear Engineer to work on our Reactor Physics and Shielding team. Our team works a 9x80 schedule located out of our Research and Education Campus in Idaho Falls with every other Friday off.

As a Nuclear Engineer at INL, you’ll be at the forefront of shaping the future of nuclear energy, leveraging cutting‑edge research to develop the next generation of reactors and systems that power our nation and beyond.

Essential Job Functions
  • Develop experimental requirements or packaging and handling requirements for spent nuclear fuel.
  • Apply advanced nuclear engineering design principles, theories, and concepts.
  • Use best practices in design methodologies to develop and validate designs.
  • Document designs to ensure conformance with requirements and standards.
  • Establish testing, inspection, and quality requirements.
  • Perform integrated analyses to meet experimental, storage, transportation, disposal, and facility safety requirements.
  • Defend analytical methods and results in reviews.
  • Support project/program interactions with sponsors, operations, and engineering organizations.
  • Develop and improve physics‑based mathematical models and analysis methods.
  • Prepare reports and peer‑reviewed publications.
  • Represent programs through technical presentations and at conferences.
  • Perform analyses of irradiation experiments and conduct research supporting nuclear processes.
Qualifications
  • Level 3:
    Bachelor of Science in Nuclear Engineering or a directly related engineering field from an ABET‑accredited program and 5 years of relevant experience; or an advanced degree (MS, PhD) and 2 years of relevant experience.
  • Level 4:
    Bachelor of Science in Nuclear Engineering or a directly related engineering field from an ABET‑accredited program and 9 years of relevant experience; or a Master’s of Science in Nuclear Engineering or a directly related engineering field from an ABET‑accredited program and 6 years of relevant experience; or a PhD in Nuclear Engineering or a directly related engineering field from an ABET‑accredited program and 4 years of relevant experience.
  • Ability to obtain and maintain a DOE “Q” security clearance.
  • Knowledge of the following computer codes: MCNP6, SCALE6 (includes KENO, ORIGEN, TRITON, MAVRIC), OpenMC, Seprent, and the MOOSE‑based code, Griffin.
  • Experience with Python, modern FORTRAN, C++, and other languages.
  • Previous experience performing research (graduate school, industry, or national lab) in advanced reactor design and multi‑physics analysis.
Ideal Candidate Profile
  • Advanced degree in Nuclear Engineering or a directly related engineering field from an ABET‑accredited institution.
  • Experience in nuclear fuels and materials, reactor physics, thermal hydraulics, core design, and analysis tools/methods.
Job Information
  • Pay range:
    Level 3 ($95,256 – $195,288) / Level 4 ($114,360 – $234,336).
  • Multi‑Level: This is a multi‑level posting and you will be placed at the appropriate level dependent on depth and breadth of proven experience and skills.
  • TDP:
    This is a testing designated position; you will be required to submit to a pre‑employment drug screen and periodic drug testing throughout the term of your employment.
  • Location:

    2525 Fremont Ave, Idaho Falls,  (On‑site).
  • Schedule:

    Full time.
Physical Requirements

While performing the duties of this classification, the employee is frequently required to stand, walk, sit, stoop, kneel, bend, and work in an office and field/laboratory environment. The job requires hand/finger dexterity to keyboard or type, handle materials, manipulate tools, and reach with hands and arms. The job requires operation of job‑related equipment and driving a vehicle. The employee must occasionally lift and/or move up to 35 pounds without assistance.

Sufficient visual acuity and hearing capacity to perform the essential functions and interact with the public is required. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

Benefits and Relocation
  • Medical, Dental, Vision, and Flexible Spending Accounts.
  • 401(k) with a 4.2% employer contribution and up to 4.8% match (regular positions) or…
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