Advanced Nuclear Reactor and Fuel Cycle Engineer (Staff)
Oak Ridge National Laboratory
Requisition Id 17152 Overview: Oak Ridge National Laboratory (ORNL) is the largest US Department of Energy science and energy laboratory, conducting basic and applied research to deliver transformative solutions to compelling problems in energy and security. Our diverse capabilities span a broad range of scientific and engineering disciplines, enabling the laboratory to explore fundamental science challenges and conduct the research needed to accelerate the delivery of solutions to the marketplace. The Reactor and Nuclear Fuel Cycle Analysis Group (RNFCA) Group is seeking candidates to apply for the Advanced Nuclear Reactor and Fuel Cycle Engineer (Staff) role. This role is responsible for working with state-of-the-art modeling and simulation capabilities for lattice physics, reactor core, spent fuel, and fuel cycle applications through leadership in the development and analysis of SCALE and/or the Virtual Environment for Reactor Applications (VERA) simulations and in collaboration with industry, national laboratories and university researchers. ORNL has world-leading nuclear, radiological and scientific facilities, including the High Flux Isotope Reactor, and this role would support the neutronics and thermal-hydraulics analysis.Major Duties and Responsibilities: Design, develop, optimize and analyze reactor models using world-class modeling and simulation codes (SCALE, VERA, OpenMC, MCNP, Serpent, MOOSE) to support the design and development of next generation nuclear reactors.Develop and analyze fuel cycle models using Cyclus to evaluate advanced fuel cycle strategies to support the design and deployment of advanced nuclear reactors.Interact effectively across organization structures with staff scientists and engineers and be an effective representative of ORNL and their research to sponsors and the professional community.Conduct work on scope and on budget.Communicate effectively the work performed through journal articles, presentations, reports, and code documentation.Serve as a role model for integrity and safety in the conduct of research, mentoring of early career staff, and engagement with scientific and professional societiesDevelop and submit funding proposals to DOE and other government agencies for new research efforts.Deliver ORNL’s mission by aligning behaviors, priorities, and interactions with our core values of Impact, Integrity, Teamwork, Safety, and Service. Promote equal opportunity by fostering a respectful workplace – in how we treat one another, work together, and measure success.Basic Qualifications:PhD in nuclear engineering or closely related field and 2-5 years of post graduate experiece.Knowledge of nuclear reactor analysis R&D is required as demonstrated through research and associated publications.Experience using SCALE, VERA, MCNP, Serpent, OpenMC, and/or MOOSE and familiarity with reactor systems and concepts.Programming/scripting experience including the use of one or more of C/C++, Python, Fortran, Git, and CMake an asset.Demonstrated writing and communication skills and ability to publish.Preferred Qualifications: Experience with Multiphysics software and simulations an asset.Previous experience with the development and implement numerical algorithms in advanced modeling and simulation software related to reactor physics analysis an assetKnowledge of software engineering best practices, including continuous integration, requirements management, and object-oriented programming concepts and design patterns an asset.Experience working within a rigorous quality assurance program.Ability to obtain a security clearance.Special Requirements:This position requires access to technology that is subject to export control requirements. Successful candidates must be qualified for such access without an export control license.For employment at Oak Ridge National Laboratory (ORNL), a Real ID compliant form of identification will be required. Additionally, ORNL is subject to Department of Energy (DOE) access restrictions. All employees must also be able to obtain and maintain a federal Personal Identity Verification (PIV) card as mandated by Homeland Security Presidential Directive 12 (HSPD-12) and Department of Energy (DOE) Order 473.1A, which requires a favorable post-employment background investigation.To obtain this credential, new employees must successfully complete and pass a Federal Tier 1 background check investigation. This investigation includes a declaration of illegal drug activities, including use, supply, possession, or manufacture within the last year. This includes marijuana and cannabis derivatives, which are still considered illegal under federal law, regardless of state laws.For foreign national candidates:If you have not resided in the U.S. for three consecutive years, you are not eligible for the PIV credential and instead will need to obtain a favorable Local Site Specific Only (LSSO) risk determination to maintain employment. Once you meet the three-year residency requirement, you will be required to obtain a PIV credential to maintain employment. About ORNL:As a U.S. Department of Energy (DOE) Office of Science national laboratory, ORNL has an impressive 80-year legacy of addressing the nation’s most pressing challenges. Our team is made up of over 7,000 dedicated and innovative individuals! Our goal is to create an environment where a variety of perspectives and backgrounds are valued, ensuring ORNL is known as a top choice for employment. These principles are essential for supporting our broader mission to drive scientific breakthroughs and translate them into solutions for energy, environmental, and security challenges facing the nation.ORNL offers competitive pay and benefits programs to attract and retain individuals who demonstrate exceptional work behaviors. The laboratory provides a range of employee benefits, including medical and retirement plans and flexible work hours, to support the well-being of you and your family. Employee amenities such as on-site fitness, banking, and cafeteria facilities are also available for added convenience.Other benefits include the following: Prescription Drug Plan, Dental Plan, Vision Plan, 401(k) Retirement Plan, Contributory Pension Plan, Life Insurance, Disability Benefits, Generous Vacation and Holidays, Parental Leave, Legal Insurance with Identity Theft Protection, Employee Assistance Plan, Flexible Spending Accounts, Health Savings Accounts, Wellness Programs, Educational Assistance, Relocation Assistance, and Employee Discounts.This position will remain open for a minimum of 5 days after which it will close when a qualified candidate is identified and/or hired.We accept Word (.doc, .docx), Adobe (unsecured .pdf), Rich Text Format (.rtf), and HTML (.htm, .html) up to 5MB in size. Resumes from third party vendors will not be accepted; these resumes will be deleted and the candidates submitted will not be considered for employment.If you have trouble applying for a position, please email View email address on click.appcast.io is an equal opportunity employer. All qualified applicants, including individuals with disabilities and protected veterans, are encouraged to apply. UT-Battelle is an E-Verify employer.
$160k - $180k
...Senior Reactor Fuel Engineer – Irradiation & Fuel Qualification Oak Ridge, TN | $160K–$180K |... ...Lead the Experimental Program Behind Advanced Reactor Fuel Qualification The Opportunity... ...is an opportunity for an experienced nuclear fuels professional to move beyond...NuclearRelocation$150k - $170k
...Shape the Statistical Foundation for Advanced Nuclear Fuel Qualification If your expertise sits... ...qualification, and safety-critical engineering, this role offers the opportunity to apply... ...Nuclear Energy is seeking a Principal Reactor Fuel Engineer to establish the...NuclearRelocation- ...Nano Nuclear Energy, Inc. in Oak Ridge, TN seeks a Senior Fuel Design Engineer to own key aspects of advanced reactor fuel design for the KRONOS MMR, a HTGR using TRISO fuel. You will translate analysis, irradiation results, and regulatory feedback into robust physical...Nuclear
$160k - $180k
...Base | Relocation Available | Reactor Development Shape the Analytical Foundation for Advanced TRISO Fuel Qualification If you’re... ...-performance or multiphysics engineer looking for greater technical... ...in a collaborative advanced nuclear engineering environment. What...NuclearRelocationRelocation package$155k - $175k
...Senior Fuel Design Engineer Oak Ridge, TN | $155K–$175K | Hybrid | Relocation Available Shape the Fuel Design Behind an Advanced Nuclear Reactor The Opportunity If you’re an experienced design engineer seeking greater technical ownership, this role puts you...NuclearRelocationRelocation package- ...Position Title: Fuel Performance Engineer Position Description: Protingent Staffing has an exciting... ...Compliance: Ensure strict code compliance to nuclear Quality Assurance (QA) standards by... ...highly technical discipline. Advanced Analytical Background: 8+ years of experience...NuclearFull time
$86.45k - $136k
...100 manufacturing and engineering innovator that provides safe and effective nuclear solutions for global security... ...of naval nuclear reactors for U.S. submarines and... ...components, services and fuel for the commercial... ...technology is driving advances in medical radioisotope...NuclearFor contractorsLocal areaFlexible hours- Requisition Id 16831 Overview:We are seeking a Nuclear Reactor Controller (Reactor Operator) for the High Flux Isotope Reactor (HFIR). Under limited supervision, this position is responsible for the safe and efficient operation of the HFIR in accordance with procedures...NuclearImmediate startRelocation packageFlexible hoursShift work
- ...Orano USA is a leading supplier of nuclear fuel cycle solutions supporting the United States' nuclear energy mission and advanced reactor deployment. Project IKE is Orano... ...'s degree in business management, engineering, administration, strategy, marketing,...NuclearContract workSummer workInternshipWork at office
- ...Description Communications Intern Orano USA is a leading supplier of nuclear fuel cycle solutions supporting the United States' nuclear energy mission and advanced reactor deployment. Project IKE is Orano USA's multibillion-dollar uranium enrichment facility...NuclearContract workSummer workInternshipWork at officeLocal area
- Orano USA is a leading supplier of nuclear fuel cycle solutions supporting the United States’ nuclear energy mission and advanced reactor deployment. Project IKE is Orano USA’s multibillion‑dollar uranium enrichment facility under development in Oak Ridge, Tennessee,...NuclearInternshipLocal area
$70k - $103k
...manufacturing and engineering innovator that provides... ...and effective nuclear solutions for... ...of naval nuclear reactors for U.S. submarines... ...components, services and fuel for the commercial... ...is driving advances in medical radioisotope... ...patching, update cycles, OS lifecycle management...NuclearFlexible hours$90k - $150k
...a Senior Licensing Engineer Energy - Remote. This... ...license applications for fuel cycle facilities. Sets... ...Bachelor's degree in Nuclear Engineering, Chemical... ...experienced licensing staff. Excellent... ...CFR Part 51, or with advanced reactor fuel supply chain projects...NuclearFull timeTemporary workFor contractorsFor subcontractorWork at officeRemote workFlexible hours- ...manufacturing and engineering innovator that provides... ...and effective nuclear solutions for... ...of naval nuclear reactors for U.S. submarines... ...components, services and fuel for the commercial... ...is driving advances in medical radioisotope... ...NRC, nuclear fuel cycle, uranium...NuclearFor contractorsLocal areaFlexible hours
- ...manufacturing and engineering innovator that... ...and effective nuclear solutions for... ...naval nuclear reactors for U.S. submarines... ..., services and fuel for the... ...technology is driving advances in medical... ...scrap/rework, cycle time, and first... ...and maintenance staff across all shifts...NuclearFor contractorsLocal areaAll shiftsFlexible hoursShift work
- ...are seeking a Postdoctoral Nuclear Engineer in the Nuclear Nonproliferation... ..., and monitor nuclear fuel cycle activities and nuclear explosions... ...in computational nuclear reactor physics through modeling and... ...sources. Model conceptual advanced reactors and their subsystems...NuclearWork at officeRelocation packageFlexible hours
- ...manufacturing and engineering innovator that provides... ...and effective nuclear solutions for... ...of naval nuclear reactors for U.S. submarines... ...components, services and fuel for the commercial... ...is driving advances in medical radioisotope... ..., transportation, cycle counting, and...NuclearFor contractorsLocal areaFlexible hours
$115k - $180k
...manufacturing and engineering innovator that provides... ...and effective nuclear solutions for... ...of naval nuclear reactors for U.S. submarines... ...components, services and fuel for the commercial... ...is driving advances in medical radioisotope... ...and fuel cycle licensing. Maintains...NuclearFor contractorsLocal areaFlexible hours$175k - $238k
...manufacturing and engineering innovator that provides... ...and effective nuclear solutions for... ...of naval nuclear reactors for U.S. submarines... ...components, services and fuel for the commercial... ...is driving advances in medical radioisotope... ..., or nuclear fuel cycle operations....NuclearFor contractorsLocal areaFlexible hours$94.22k - $157.04k
...Assistant Engineering ManagerCentrus is expanding—and we're looking for an Assistant Engineering... ...compliance with safety, regulatory, nuclear handling, and security requirements.Your... ...5–10 years of engineering experience in advanced equipment design, fabrication systems, or...NuclearFor contractorsWork experience placement$145k - $180k
...Own the Criticality Safety Basis for Advanced Nuclear Fuel The Opportunity Take ownership of... ...KRONOS MMR, a High-Temperature Gas-Cooled Reactor (HTGR) fueled by ceramic matrix TRISO... ...Qualifications ~ Degree in Nuclear Engineering, Physics, or a related highly...NuclearRelocation package- ...leading international player in the nuclear industry. Our strengths? Across the entire fuel cycle, we have extensive expertise... ...with operations, safety, engineering, and quality teams to ensure that... ...document control systems. Advanced degree or professional...NuclearFull timeTemporary workRelocation package
- ...seeking a Senior R&D Staff member who will... ...property evolution of nuclear fuel cladding and core materials under reactor operating... ...Group in the Fuel Cycle Science and Technology... ...Group focuses on advancing the future of nuclear... ...scientists, and engineers while complying with...NuclearWork at officeRelocation packageFlexible hours
- ...Standard Nuclear is advancing the future of nuclear fuel production in the United States. We are building the capabilities needed to support critical industries... ...security, and enable the next generation of advanced reactors. Our team combines deep technical expertise with a...Nuclear
- ...qualified candidates for Nuclear Criticality Safety Engineer opportunities at... ...clean‑up missions and the advancement of first‑in‑kind commercial fuel capabilities at select... ...and commercial fuel cycle facilities,... ...recruiting and maintaining a staff of highly skilled professionals...NuclearFull timeFor contractorsWork experience placementWork at officeRemote work
- ...100 manufacturing and engineering innovator that provides safe and effective nuclear solutions for global security... ...of naval nuclear reactors for U.S. submarines and... ...components, services and fuel for the commercial... ...technology is driving advances in medical radioisotope...NuclearHourly payFor contractorsLocal areaFlexible hours
- ...100 manufacturing and engineering innovator that provides safe and effective nuclear solutions for global security... ...of naval nuclear reactors for U.S. submarines and... ...components, services and fuel for the commercial... ...technology is driving advances in medical radioisotope...NuclearFor contractorsLocal areaFlexible hours
$25.96 - $39.42 per hour
...100 manufacturing and engineering innovator that provides safe and effective nuclear solutions for global security... ...of naval nuclear reactors for U.S. submarines and... ...components, services and fuel for the commercial... ...technology is driving advances in medical radioisotope...NuclearHourly payFor contractorsLocal area- ...leading international player in the nuclear industry. Our strengths? Across the entire fuel cycle, we have extensive expertise in... ...of building one of the most advanced clean energy infrastructures in... .... Ability to mentor junior staff and support crossfunctional...NuclearPermanent employmentFull timeTemporary workLocal areaRemote work
$90k - $173k
...seeking a Senior Structural Engineer to join our team in a fully... ...opportunity to contribute to complex nuclear and commercial infrastructure... .... Performs a variety of advanced engineering calculations... ...includes the design of containment, reactor buildings and support systems...NuclearFull timeTemporary workWork at officeRemote workFlexible hours
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Advanced Nuclear Reactor and Fuel Cycle Engineer (Staff). Be the first to apply!




