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Multidisciplined Engineer (Thermal/Nuclear Analysis), Associate (Entry Level)

Naval Nuclear Laboratory
parental leave, tuition assistance, 401(k)
Aug 12, 2026
About Us

Working at the Naval Nuclear Laboratory we foster pride in belonging to an organization whose culture is made up of these core values: Trust, Empowerment, and Collaboration. Our company promotes a positive culture while ensuring the safety and reliability of our nation's naval nuclear reactors, and training the Sailors who operate those reactors in the U.S. Navy's submarines and aircraft carrier Fleets. Looking for a lifetime career? Apply today!

Job Description

If you are a Mechanical Engineer that has a strong interest in analytical calculations, modeling thermal behavior, and want to work directly with world class engineers, scientists, and researchers that support the world's best Navy, apply today! The Naval Nuclear Laboratory (NNL) is a mission driven organization delivering the most capable Navy in the world. In this position, you would have the opportunity to work in one of the organizations responsible for the technology development, design, servicing, or fleet support functions of nuclear powered aircraft carriers and submarines. The position will provide opportunities to interface with other project disciplines across NNL.The variety in job opportunities and collective expertise of the community at NNL provides engineers the opportunity to continue gaining technical skills and broadening their experience throughout their careers while tackling exciting and challenging assignments. As a national asset, NNL provides employees with excellent pay and benefits as well as excellent work / life balance and employment stability.

Required Combination of Knowledge and Skill

  • Bachelors degree from an accredited college or university in a related technical, engineering or science field; or
  • Masters degree from an accredited college or university in a related technical, engineering or science field.

Preferred Skills

  • Degrees in Mechanical Engineering or Physics are preferred, but not required.
  • Strong academic performance.
  • Coursework in thermal design and analysis including heat transfer, fluid mechanics, or finite element analysis.
  • Ability to work on an individual assignment as well as being a member of a small team.
  • Experience in writing technical reports.
  • Previous co-op or intern experience.
  • Excellent written and verbal communication skills.
  • Willingness to be trained to learn new skills as needed.

Compensation and Benefits

  • Health, Dental, Vision & Voluntary Benefits
  • Disability, Life & Accident Insurance
  • 401(k) Savings program & Capital Accumulation Plan
  • Personal & Medical Time Off
  • Paid Parental Leave
  • Flexible Work Schedules
  • Tuition Assistance for Eligible Employees
  • Student Debt Benefit Personal Time Off Sell Program
  • Employee Assistance Program (EAP)
  • Wellness Program
  • Visit us online to view all NNL benefits!

Pay Range
$63,900.00 - $97,800.00 annually

Salary information provided is a general guideline only. Annual salary is based upon candidate experience and qualifications, as well as market and business considerations.

The Naval Nuclear Laboratory is operated for the U.S. Department of Energy (DOE) by Fluor Marine Propulsion, LLC (FMP), a wholly owned subsidiary of Fluor Corporation. Naval Nuclear Laboratory personnel are FMP employees who work at four DOE facilities: Bettis Atomic Power Laboratory, Knolls Atomic Power Laboratory, Kenneth A. Kesselring Site, and Naval Reactors Facility, and at the U.S. Department of Defense-owned Nuclear Power Training Unit-Charleston. FMP employees also have an established presence at numerous shipyards and vendor locations. For nearly 70 years, the Naval Nuclear Laboratory has developed advanced nuclear propulsion technology, provided technical support, and trained world-class nuclear operators to ensure the safe and reliable operation of our nation's submarine and aircraft carrier Fleets. The Naval Nuclear Laboratory is a national asset solely dedicated to the Naval Nuclear Propulsion Program. We rely on the dedication and innovation of our nearly 8000 engineers, scientists, technicians, and support personnel.

All candidates must be U.S. citizens. Applicants selected will be subject to a Federal background investigation and must meet eligibility requirements for access to classified matter. FMP is a government contractor and maintains a drug free workplace and workforce. All candidates must be able to pass a drug test in compliance with FMP company policy and 10 CFR 707. Marijuana is a Federal Schedule I controlled substance and illegal under Federal Law. Therefore, FMP is required to test for marijuana.

Fluor Marine Propulsion, LLC is an Equal Opportunity Employer, including disability/vets. All qualified applicants will receive consideration for employment without regard to race, color, age, sex, religion, national origin, disability, veteran status, genetic information, or any other criteria protected by federal, state, or local law.

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