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MFC Mechanical Engineer Level 3 and Level 4

Remote / Online - Candidates ideally in
Idaho Falls, Bonneville County, Idaho, 83401, USA
Listing for: Idaho National Laboratory
Remote/Work from Home position
Listed on 2026-06-03
Job specializations:
  • Engineering
    Mechanical Engineer, Manufacturing Engineer
Salary/Wage Range or Industry Benchmark: 114360 - 234336 USD Yearly USD 114360.00 234336.00 YEAR
Job Description & How to Apply Below

Overview

Discover your impact as a Materials and Fuels Complex (MFC) Mechanical Engineer at Idaho National Laboratory, where you’ll shape the future of nuclear energy by pioneering cutting-edge solutions for motion, heat, and fluid dynamics. Join a legacy of innovation and be part of a team that secures America’s energy infrastructure while advancing critical technologies. Your expertise will directly contribute to groundbreaking research that powers national progress in energy, security, and beyond.

This position is located at MFC, which hosts the core of the U.S. nuclear research and development capabilities with a diverse array of facilities designed for remote work on highly irradiated fuels and materials. A new fuel idea can be designed, fabricated, tested, and analyzed at MFC to better understand the effects of irradiation. Many groups, such as universities, industry partners, other national laboratories, international research organizations, and other federal agencies are working  team works a 4x10 schedule every Friday off.

Essential

Job Functions
  • Decompose project goals into defined and controlled design requirements.
  • Use best practices in design methodologies to develop and validate designs.
  • Develop physics-based mathematical models of mechanical, chemical, and electrical systems.
  • Maintain familiarity with codes and standards applicable to the discipline.
  • Document designs to establish conformance with requirements and standards.
  • Establish testing, inspection, and quality requirements.
  • Ensure fabrication, construction, assembly, and procurement align with design specifications.
  • Develop and maintain systems/equipment, perform calculations, and evaluate design specifications.
  • Provide solutions to technical problems and recommendations for production improvements.
  • Monitor and evaluate plant systems, recommend maintenance and repair standards, and identify vendor data and spare parts.
  • Support and lead new project development, including proposals and business plans.
  • Ensure design modifications meet technical baseline requirements and applicable codes.
  • Maintain configuration management of the technical baseline and assigned systems.
  • Ensure consistency in operational characteristics across documentation.
  • Mentor and train junior engineering staff.
  • Develop experiment requirements, perform designs, and support fabrication, inspection, assembly, and testing.
  • Lead the design and development of experimental setups and support post-irradiation examination (PIE) of irradiated test fuel.
  • Serve as design engineer for fueled test train fabrication tasks.
  • Develop project-specific documentation and check drawings.
  • Other duties as assigned.
Minimum Requirements
  • Level 3:
    Bachelor’s in engineering or mechanical engineering or other related field from an ABET accredited institution and 5 years experience;
    Master’s and 2 years experience;
    PhD and 2 years experience.
  • Level 4:
    Bachelor's in engineering or mechanical engineering or other related field from an ABET accredited institution and 9 years of experience;
    Master’s and 6 years of experience;
    PhD and 4 years of experience.
  • Relevant experience includes demonstrated experience with the development and maintenance of systems/equipment, performing calculations, and evaluating design specifications. Demonstrated experience with fabrication, construction, assembly, and procurement that aligns with design specifications.
  • This position requires the ability to obtain and maintain a Department of Energy "L" clearance, which requires US Citizenship.
The Ideal Candidate Will Possess
  • Advanced degree in mechanical engineering or a directly related field from an ABET-accredited institution.
  • Experience in machine design, robotics, and related control systems.
  • Experience in fabrication and fabrication techniques.
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…
Position Requirements
5+ Years work experience
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