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Thermo-mechanical and Structures Analyst

Battelle Energy Alliance
paid time off, tuition assistance, 401(k)
2525 Fremont Avenue (Show on map)
Jul 07, 2026

Idaho National Laboratory is hiring a Advanced Reactor Thermo-mechanical and Structures Analyst to work in our Nuclear Safety Analysis department. Our team works at 4x10 schedule located out of our Materials and Fuels Complex with every Friday off.

As a thermo-mechanical analyst will be responsible for analyzing thermal and mechanical behavior of structures, systems and components for advanced reactors under normal operating conditions, natural phenomena hazards, and accident conditions for advanced reactor demonstration activities at INL.

Responsibilities Include:

  • Analyze the behavior of advanced reactor core components under normal operating conditions, natural phenomena hazards, and accident conditions to support operating advanced nuclear reactors.
  • Verify compliance of advanced reactor designs according to industry codes, such as ASME Boiler Pressure Vessel Code. Decompose project goals into defined and controlled design requirements.
  • Supports, coordinates and performs confirmatory calculations and startup planning in area thermo-mechanical analysis to support development of facility and reactor specific safety basis supporting analyses.

  • Work includes planning, scheduling, and tracking of reactor analyses and planning for startup testing and verification activities to validate analytical work and ensure safety.

  • Responsible for providing support to project and planning activities related to new reactor design and acceptance, talking to design and nuclear safety organizations, working with external reactor designers and DOE (ID and HQ), and contributing organizations (e.g. structural analysis, criticality safety, radiation protection, etc.).

  • Participate in the evaluation and resolution of complex engineering problems. Contribute to technical decisions based on sound engineering practices and in accordance with Laboratory policies and procedures.
  • Be the cognizant system engineer for reactor core components for advanced reactors deployed at that the Materials and Fuels Complex.

Minimum Requirements:

  • Level 3: Bachelor's degree in mechanical engineering, or other related technical discipline plus 5 years relevant experience, or Advanced Degree in Mechanical Engineering, or other related degree with 2 years relevant experience.
  • Level 4: Bachelor's Degree Mechanical Engineering and 9 years of experience. Master's and 6 years of experience. PhD and 4 years of experience.
  • Relevant experience includes experience performing thermal and/or mechanical analysis.
  • Relevant experience with software codes such as ANSYS, ABAQUAS, STAR-CCM+, MOOSE, etc...
  • This position requires the ability to obtain and maintain a Department of Energy "Q" clearance, which requires US Citizenship.

Preferred:

  • 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, primary design, analysis tools/methods, and closely related technical areas.
  • Familiarity with ASME Boiler and Pressure Vessel Code (BPVC) design-by-analysis requirements is preferred; experience applying other structural analysis codes, standards, and certification requirements is also valued.

Job Information:

  • The pay range for this position is: Level 3 - ($95,256 - $195,288)/Level 4 ($114,360 - $234,336). At Idaho National Laboratory compensation decisions are determined using factors such as education, relevant experience, and other credentials.
  • 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.
  • 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.

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 self-contribute access (postdoctoral positions)
  • Paid time off (personal leave)
  • Employee Education Program (tuition assistance for eligible positions)
  • Comprehensive Relocation Package
  • Benefit eligibility subject to multiple factors, including employment status and position classification.



At this time, BEA will not sponsor any H1-B visas obtained outside of the United States of America (U.S.A.), including consular visas.

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 www.sss.gov.

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.
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