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Senior Experiment Design Engineer

Job in Idaho Falls, Bonneville County, Idaho, 83401, USA
Listing for: Search Jobs - INL Professional Careers
Full Time position
Listed on 2026-03-08
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

Idaho National Laboratory seeks a Senior Experiment Design Engineer to shape the future of nuclear energy by pioneering solutions for motion, heat, and fluid dynamics that secure America's energy infrastructure while advancing critical technologies. You'll decompose project goals into defined design requirements, use best practices in design methodologies to develop and validate designs, develop physics-based mathematical models of mechanical, chemical, and electrical systems, and document designs to establish conformance with requirements and standards.

Your responsibilities include establishing testing and quality requirements, ensuring fabrication and procurement align with design specifications, developing and maintaining systems and equipment while performing calculations, providing solutions to technical problems and recommendations for improvements, monitoring plant systems and recommending maintenance standards, and supporting new project development including proposals and business plans. You'll mentor junior engineering staff, develop experiment requirements, and potentially lead design and development of experimental setups.

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.
Required
  • EX3:
    Bachelor of Science degree in Mechanical Engineering, Nuclear Engineering, or Physics and 5 years of relevant experience, or an advanced degree (MS/PhD) of Science in Mechanical Engineering, Nuclear Engineering, or Physics and 2 years of relevant experience.
  • EX4:
    Bachelor of Science degree in Mechanical Engineering, Nuclear Engineering, or Physics and 9 years of relevant experience, or a Masters of Science degree in Mechanical Engineering, Nuclear Engineering, or Physics and 6 years of relevant experience, or a PhD in Mechanical Engineering, Nuclear Engineering, or Physics and 4 years of relevant experience.
  • Ability to obtain and maintain a DOE "L" security clearance.
The ideal candidate will possess
  • Advanced degree in mechanical engineering or a directly related field from an ABET-accredited institution.
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

Idaho National Laboratory is hiring an Experiment Design Engineer to work on our Applied Engineering team. Our team works a 9x80 schedule located out of our REC facility with every other Friday off
.

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.

  • 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.
  • TDP:
    This is a testing designated position; you will be required to submit to a pre-employment drug…
Position Requirements
10+ Years work experience
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