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
Naval Nuclear Laboratory has internship opportunities for college students to spend the summer of 2026 getting great work experience, in great locations, supporting the world's greatest Navy.
The Naval Nuclear Laboratory is looking for a Mechanical Building Systems Engineering intern to join our team! Our team is responsible for the engineering effort required for successful upkeep and advancement of mechanical building systems at our West Milton, NY campus. Typical work within this role includes system upgrades, facility renovations, and site infrastructure improvements to meet the site needs to support the US Navy. In this role, you will:
- Provide dedicated expertise in engineering, configuring, and operating mechanical systems such as HVAC, steam and condensate, compressed air, plumbing, and radiological ventilation.
- Lead efforts to plan, design, and oversee the reconfiguration, maintenance, and alteration of system equipment, machinery, buildings, structures, office environments and other facilities.
Program highlights include:
- Final presentation to management, peers, and other NNL employees
- Meet directly with NNL General Manager and Executive Leadership
- Partnership with a mentor
- Opportunity to tour local NNL site facilities
- Trip to a Naval Shipyard for a guided tour
- Extensive networking opportunities
The NNL Internship is an approximate 10-12 week program starting in May/June 2026.
An internship position may result in a return internship or full-time employment offer upon successful completion of the program.
Required Combination Of Knowledge And Skill
Candidates for Mechanical Building Systems Engineering Internship positions must be:
- Pursuing Mechanical Engineering or related BS, MS or PhD engineering degree from an accredited college or university
- Must have completed at least first full year of college by May 2026
- Enrolled/continuing in a degree program throughout this internship
Students must attach most recent unofficial college transcripts and resume to the employment application.
Preferred Skills
- Cumulative minimum GPA 3.2/4.0
- Prior related internship, co-op or work experience (paid or volunteer)
- Department of Energy (DOE), Department of Defense (DOD) or Naval Nuclear Program experience
Compensation And Benefits
NNL offers an outstanding Compensation and Benefits package for interns which includes:
- Competitive Salary
- Defined Contribution Retirement Plans:
- 401(k) Plan with company match
- Capital Accumulation Plan (CAP) with company contribution
- Flexible work schedules and 9/80 work schedule option (every other Friday off). Hybrid work schedule may be available
- Stipend for qualified applicants (school and home address must be >50 miles from assigned work location
Pay Range
$23.50/hour-$41.00/hour
Salary information provided is a general guideline only. Hourly rate is based upon candidate education and job discipline, 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.
