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Submarine Power Plant Engineer - Mechanical Associate (entry level)

Naval Nuclear Laboratory
West Mifflin, Pennsylvania Engineering Posted Aug 18, 2026
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Job Description

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 is seeking a highly motivated engineer to join our fleet support team to support resolution of operating fleet and shipyard technical issues. Join our team for an excellent opportunity to develop and demonstrate leadership skills in the power plant engineering field.?Responsibilities include: • Drive innovation initiatives that help to improve steam and reactor plant and structures solutions intended to improve system performance, operation, or maintenance • Provide resolution of operating fleet and shipyard technical issues • Support steam and reactor plant system and equipment changes such as shipboard use procedures and manuals, and supporting installation and operation • Prioritize and manage tasks to ensure proper technical project management and integration of work to ensure technical deliverables meet schedules and budgets • Facilitate a strong and productive teaming environment with related organizations internal and external to the company • Make written technical?recommendations in formal correspondence and perform technical reviews of recommendations 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 High intrinsic motivation to learn, work within a team, and drive complicated technical problems to resolution (problems solving) and completion. Hands-on practical experience working with fluid and/or mechanical systems Experience with technical evaluations and reports Strong written and verbal communication skills. 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.