Job Description
Idaho National Laboratory is hiring a Nuclear Engineer to work in our Reactor, Technology and Integration department. Our team works a 9x80 schedule located out of our Idaho Falls facility with every other Friday off.
As the Multiphysics Nuclear Engineer for Molten Salt Technology Application you will apply nuclear engineering principles and methods to design, develop, test, and analyze nuclear equipment and systems - specifically focusing on molten salt technology applications. This entry analyst position will integrate various physics (i.e., multi physics) utilizing NEAMS based MOOSE codes to perform various analyses of molten salt systems. Most of the initial work will focus on validating existing electrochemical models of salt and structure interactions from experiment salt loop data and electrochemical experiments using fluoride and chloride salts. Future work may focus more heavily on applying these methods towards enhancing pyro-processing efficiencies, molten salt fusion blanket design, and Molten Salt Reactor fuel cycle non-proliferation analysis. This position is part of the INL Nuclear Nexus.
Responsibilities - Work with designers, analysts, and customers to develop experimental requirements to analyze molten salt technology for fission reactors, fusion systems, and pyro-processing.
- Select and widely apply advanced nuclear engineering design principles, theories, and concepts (which may include reactor fuel and packaging). Decompose project objectives into defined and controlled design requirements.
- Use design methodologies, technologies, and processes which are best practice for the technical discipline to develop and define a design, and to validate that the design meets defined requirements.
- Document the design (controlled and approved models, drawings, specifications, design descriptions) to establish conformance with design requirements and applicable codes and standards.
- Establish testing, inspection, and quality requirements to ensure technical features important to design functions are maintained.
- May perform integrated analyses to ensure that experimental requirements and facility safety bases are met.
- May perform integrated analyses to ensure that storage, transportation, and disposal requirements and facility safety bases are met.
- Defend analytical methods and results in management and independent reviews.
- Perform analysis and design tasks supporting project/program interactions with (experiment) sponsors, operations, and engineering organizations to ensure that project
related operations are performed in a manner that is consistent with the facility authorization.
- Develop physics-based mathematical models of mechanical, chemical, and electrical systems to support and verify design. Develop and improve models and analysis methods.
- Prepare reports and peer-reviewed publications.
- Other duties as assigned.
Minimum Qualifications - Level 2: Bachelor of Science degree in mechanical engineering, nuclear engineering or a directly related engineering field from an ABET-accredited institution and 2 years of experience or Master of Science degree in mechanical engineering, nuclear engineering or a directly related engineering field from an ABET-accredited institution or a PhD in Nuclear Engineering or directly related engineering field from an ABET-accredited institution.
Preferred Education/Knowledge/Experience - Advanced degree in Nuclear Engineering or directly related engineering field from an ABET-accredited institution.
- Experience in nuclear fuels and materials, reactor physics, thermal hydraulics, core design, analysis tools/methods, and/or closely related technical areas.
- Professional experience or working knowledge of MOOSE based nuclear codes (i.e., Griffin, Pronghorn, BlueCrab)
- Professional experience or working knowledge of Monte Carlo codes (i.e., OpenMC, Serpent)
- Professional experience or working knowledge of Thermochemistry modeling (i.e., Factsage, Thermochimica, PyCALPHAD)
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.
Job Information - Salary Range ($77,628 - $159,228). At Idaho National Laboratory compensation decisions are determined using factors such as education, relevant experience, and other credentials.
Benefits and Relocation Medical, Dental, Vision, and Flexible Spending Accounts
- 401(k) with a 4.2% employer contribution and up to 4.8% match
- Paid time off (personal leave)
- Employee Education Program (tuition assistance)
- Comprehensive Relocation Package
- Benefit eligibility subject multiple factors, including employment status and position classification.
INL is a science-based, applied engineering national laboratory dedicated to supporting the U.S. Department of Energy’s mission in nuclear energy research, science, and national defense. With more than 6,300 scientists, researchers, and support staff, the laboratory works with national and international governments, universities and industry partners to change the world’s energy future and secure our nation’s critical infrastructure. INL Mission Our mission is to discover, demonstrate and secure innovative nuclear energy solutions, other clean energy options and critical infrastructure.
INL Vision Our vision is to change the world’s energy future and secure our nation’s critical infrastructure.
Selective Service Requirements To be eligible for employment at INL males born after December 31, 1959 must have registered with the Selective Service System (SSS). For more information see
Equal Employment Opportunity Idaho National Laboratory (INL) is an Equal Employment Opportunity (EEO) employer. It is the policy of INL to provide equal employment opportunities to all qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, protected veteran or disabled status, or genetic information.
Reasonable Accommodation We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.
Other Information When applying to positions please provide a resume and answer all questions on the following screens. Applicants, who fail to provide a resume or answer the questions, may be deemed ineligible for consideration.
INL does not accept resumes from third party vendors unsolicited.
Primary Location United States
Job Engineering
Organization Nuclear Science & Technology (Cxxx)
Schedule Full-time
Employee Status Regular
Job Posting Oct 2, 2025, 10:19:59 AM
Unposting Date Oct 17, 2025, 1:59:00 AM
RELOCATION Position Relocation Eligible
TELEWORK On-Site Worker
Job Tags
Full time, Work at office, Remote work, Relocation, Relocation package, Flexible hours,