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1,938 nuclear engineer jobs at 233 companies in United States

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Nuclear Engineer
El Segundo or Idaho
$107k-$146k/yr OnsiteFull Time
Radiant
Radiant: Nuclear-energy startup developing portable, mass-produced microreactors for defense, remote industry, and critical infrastructure.
1+ YOEBachelor's degree in nuclear engineering or equivalent; 1–2+ years of nuclear engineering experience; radiation transport and nuclear software experience; proficiency in a scientific programming language; thermal hydraulics knowledge.
MCNP, OpenMC, Serpent, Python, C++, C#, FORTRAN, Attila4MC, ADVANTG, MOOSE, RELAP, Pronghorn, GRIFFIN, NX, SolidWorks, SpaceClaim, MAACS, NRC-RADTRAN, CAD
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Nuclear Engineer
Arlington, Virginia, United States
$78k-$176k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Global firm providing management, technology, and engineering consulting services.
5+ YOEBachelor's degree in Nuclear Engineering and 5+ years designing and operating nuclear reactors, steam systems, and electrical interconnections. Requires regulatory knowledge, travel availability, and ability to obtain a Secret clearance.
EasyPower, ETAP, SKM
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Nuclear Engineer
Arlington, Virginia, United States
$78k-$176k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Global firm providing management, technology, and engineering consulting services.
5+ YOEBachelor’s degree in Nuclear Engineering, 5+ years designing and operating nuclear reactors and related systems, regulatory knowledge, site viability experience, travel up to 25%, and ability to obtain Secret clearance.
EasyPower, ETAP, SKM
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5d
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NUCLEAR ENGINEER
Bremerton, Washington, United States
$132k-$171k/yr OnsiteFull Time
U.S. Pacific Fleet
U.S. Pacific Fleet: U.S. Navy government command delivering combat-ready naval forces and advancing maritime security across the Indo-Pacific.
1+ YOEProfessional engineering degree or qualifying engineering registration, plus one year of specialized experience equivalent to GS-12 developing nuclear facility and plant equipment engineering projects.
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2w
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Nuclear Engineer
Washington Navy Yard or Schenectady or Pittsburgh
$130k-$197k/yr OnsiteFull Time, Part Time
U.S. Department of Energy
U.S. Department of Energy: U.S. federal executive department administering energy policy, nuclear security, environmental protection, and scientific research.
1+ YOEBachelor's degree in engineering or qualifying education/experience alternative; one year specialized experience equivalent to NN-03/GS-13 in nuclear propulsion engineering, design oversight, and safety.
YouTube
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5d
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NUCLEAR ENGINEER
Kittery, Maine, United States
$121k-$157k/yr OnsiteFull Time, Temporary
U.S. Fleet Forces Command
U.S. Fleet Forces Command: U.S. Navy government command that trains and equips combat-ready naval forces for combatant commanders.
1+ YOERequires one year of specialized experience equivalent to GS-12, nuclear propulsion expertise, advanced engineering analysis, technical drawing interpretation, and an engineering education meeting OPM standards.
Structured Resume Review, Structured Interview
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2mo
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Nuclear Engineer (Lead)
United States
$148k-$195k/yr RemoteFull Time
Applied Atomics
Applied Atomics: Private nuclear-power developing, building, and operating modular fission plants for industrial customers.
4+ YOEBachelor's in Nuclear Engineering or related,4+ years nuclear engineering experience (2+ with MS),experience with reactor physics, radiation transport, shielding, fuel performance, CAD, and licensing interfaces.
OpenMC, MCNP, Serpent, SCALE, Attila4MC, RELAP, Trace, MOOSE, Pronghorn, GRIFFIN, MAACS, RADTRAN, FRAPCON, BISON, FAST, NX, SolidWorks, Creo, ANSYS, Abaqus
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Nuclear Engineer
El Segundo, California, United States
$115k-$150k/yr OnsiteFull Time
Forge Atomics
Forge Atomics: Private American nuclear-energy building factory-made, water-cooled fission power plants for data centers and electric grids.
1+ YOEBachelor's in nuclear engineering/physics or related, 1+ years engineering experience, experience with core/reactivity/thermal-hydraulics preferred, ability to work extended hours and travel, strong problem-solving and collaboration skills.
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Nuclear Engineer II
Palo or Cedar Rapids
OnsiteFull Time
NextEra Energy Resources, LLC
NextEra Energy Resources, LLC: U.S. energy infrastructure developer and operator serving utilities and businesses with renewable, nuclear, gas and storage power.
2+ YOEBachelor's degree in engineering from an ABET-accredited program and 2+ years of experience. Nuclear experience is not required; knowledge of nuclear design processes and regulations is preferred.
10 CFR 50.59
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Nuclear Engineer, IV
Rockville, Maryland, United States
$155k-$185k/yr HybridFull Time
X-energy
X-energyNasdaq Global Select Market: XE: Public U.S. nuclear technology designing advanced small modular reactors and manufacturing TRISO-X fuel for clean-energy customers.
10+ YOEBachelor's in nuclear engineering (required), typically 10 years engineering experience; master's/PhD may substitute for years; expertise in reactor/core design, shielding, fuel analysis, criticality, multiphysics, materials, or nuclear software.
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Nuclear Engineer
San Leandro or Albuquerque
OnsiteFull Time
Fuse
Fuse: Private British energy supplying electricity and gas, generating renewable power, trading energy, and offering EV charging.
Master's or PhD in nuclear engineering, physics, or related field; strong Monte Carlo simulation experience; neutron/gamma detection, shielding, radiation safety, metrology, programming, and regulatory knowledge required.
MCNP, Geant4, FLUKA, Python, MATLAB, C++, CNSC, NRC, IAEA
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2w
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Nuclear Engineer
Oak Ridge or United States or Idaho Falls
RemoteFull Time
Boston Government Services
Boston Government Services: Private engineering, technology, and cybersecurity firm serving the federal government and commercial energy sectors.
5+ YOEBachelor’s degree in engineering plus 5–10 years of direct experience, or a master’s degree plus 3–7 years. Requires criticality safety analysis, nuclear process risk assessment, drug screening, U.S. citizenship, and clearance eligibility.
MCNP, SCALE, KENO
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Nuclear Engineer III/Senior Nuclear Engineer – Safety Analysis Applications
Charlotte or York or Huntersville or Charlotte or Lake Norman or Lake Wylie
HybridFull Time
Duke Energy
Duke EnergyNYSE: DUK: Public electric and natural-gas utility holding serving residential, business, and community customers across six U.S. states.
Engineering bachelor's degree from an ABET-accredited program, 4–6+ years of engineering experience depending on level, and at least 1 year of nuclear experience. Requires analytical skills and ability to obtain nuclear site security clearance.
RETRAN, RELAP, GOTHIC, Unix, Linux, FORTRAN, Python, VBA
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Senior Nuclear Engineer
Los Angeles, California, United States
$150k-$185k/yr OnsiteFull Time
Antares Nuclear
Antares Nuclear: Factory-produced, deployable fission microreactors to provide strategic energy for mission-critical systems across Earth, space, and underseas.
Master's or Ph.D. in nuclear engineering, physics, or a related field; deep MCNP, Serpent, or SCALE experience; multiphysics expertise; and advanced programming, leadership, regulatory, and reactor analysis experience.
MCNP, Serpent, SCALE, Python, C++, SAM, AGREE, PARCS, ADVANTG, MAVRIC, Attila4MC
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Nuclear Safety Engineer
Bethesda, Maryland, United States
$110k-$240k/yr HybridFull Time
Ocean Atomics
Ocean Atomics: American nuclear power designing, licensing, and assembling standardized electric plants and support systems for maritime applications.
Bachelor's in nuclear or mechanical engineering, experience developing safety cases and PRA, proficiency with PRA methods and tools (SAPHIRE), and knowledge of nuclear safety standards and regulatory frameworks.
SAPHIRE
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ENGINEER NUCLEAR 4
Newport News, Virginia, United States
$124k-$153k/yr OnsiteFull Time
Newport News Shipbuilding
Newport News Shipbuilding: U.S. shipyard designing, building and maintaining nuclear-powered aircraft carriers and submarines for the Navy.
9+ YOEEngineering bachelor's degree from an ABET-accredited program plus 9 years of relevant experience, or master's with 7 years, or Ph.D. with 4 years; nuclear systems expertise and project leadership required.
AI/ML
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Nuclear Engineer (New Grad)
Los Angeles, California, United States
$90k-$105k/yr OnsiteFull Time
General Matter
General Matter: American private nuclear-fuel developing domestic uranium enrichment for advanced-reactor fuel.
Bachelor's degree in nuclear engineering or related field, nuclear fundamentals coursework, familiarity with NRC regulations, 10 CFR, ANSI, and ASME, plus strong technical writing, communication, organization, and problem-solving skills.
Nuclear Regulatory Commission (NRC), 10 CFR, ANSI, ASME
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Nuclear Electrical Engineer
Perth or Honolulu
FieldFull Time, Temporary
ASC
ASC: Government-owned Australian submarine builder and sustainer serving the Royal Australian Navy and AUKUS submarine programs.
Bachelor of Engineering, prior nuclear or electrical engineering experience, Australian citizenship, and ability to obtain and maintain NV1 defence clearance.
NSRP, Controlled Industrial Facility (CIF), Virginia Class Submarines
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1mo
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Nuclear Engineer - Reactor Physics
Oak Brook, Illinois, United States
$100k-$150k/yr OnsiteFull Time
NANO Nuclear Energy Inc.
NANO Nuclear Energy Inc.Nasdaq Capital Market: NNE: Public advanced nuclear technology developing microreactors, fuel, transportation, space applications, and consulting services.
7+ YOEBachelor's in nuclear engineering (or related) and 7+ years experience (or M.Sc. +5); strong reactor physics, Monte Carlo, shielding, and criticality safety skills; programming experience (Python); nuclear software V&V experience preferred.
Python, Monte Carlo
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2w
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Senior Nuclear Component Engineer 2 - Nuclear
United States
$85k-$129k/yr RemoteFull Time
Sargent & Lundy
Sargent & Lundy: Professional engineering consultancy for the power and energy industry.
7+ YOEBS in structural or mechanical engineering from an ABET-accredited program; 7+ years of nuclear component qualification experience; Mathcad and MS Office proficiency; nuclear design-code familiarity; strong communication skills.
Mathcad, AISC, AISI, ASCE, ANSI, ASTM, IEEE, EPRI, ASME, Microsoft Office, SAP2000, ANSYS, STAAD, STRUDL, Python, MATLAB, Microsoft Excel
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