Mechanical Engineer, Senior

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 DescriptionThe Naval Nuclear Laboratory (NNL) is seeking an experienced Mechanical Engineer to join their team! The newest team member will be responsible for the development, deployment and life-cycle support of a wide range of mechanical and electronic hardware trainers used within the Naval Nuclear Propulsion Program (NNPP). The trainers are used by Navy sailors throughout the NNPP to supplement classroom and hands-on training to help reinforce basic and advanced engineering and equipment operation and troubleshooting fundamentals. The responsibilities include product life-cycle support for existing trainers and planning and development of future trainer upgrades. This position requires frequent interaction with government, contractor, Navy, and vendor personnel to define and support the trainers; therefore, the preferred candidate will have strong written and verbal communication skills. Additionally, the preferred candidate will have proven organization and multitasking skills to be able to manage the competing demands of this position. Some domestic travel is required for the position.Required Combination of Knowledge and SkillBachelors degree from an accredited college or university in a related technical, engineering or science field and a minimum of 6 years of relevant experience; orMasters degree from an accredited college or university in a related technical, engineering or science field and a minimum of 4 years of relevant experience; orDoctorate degree from an accredited college or university in a related technical, engineering or science field and a minimum of 1 year of relevant experience; orCurrently a Senior Reactor Training Engineer, Refueling Engineer, or Field (RPCO) Engineer at the Company.Preferred SkillsDegrees in Mechanical, Nuclear, Chemical, or Systems Engineering are preferred but not required. Experience with AutoCAD or SolidWorks.Demonstrated strong problem-solving skills.Demonstrated continuous improvement mindset.Experience executing work through vendors.Experience with the Naval Nuclear Propulsion Program training program.Highly motivated individual/self-starter.Excellent written and verbal communication skills.Proven organization and multitasking skills.Experience developing functional requirements.Compensation and BenefitsHealth, Dental, Vision & Voluntary BenefitsDisability, Life & Accident Insurance401(k) Savings program & Capital Accumulation PlanPersonal & Medical Time OffPaid Parental LeaveFlexible Work SchedulesTuition Assistance for Eligible EmployeesStudent Debt Benefit Personal Time Off Sell ProgramEmployee Assistance Program (EAP)Wellness ProgramVisit us online to view all NNL benefits!Pay Range$95,700.00 - $149,600.00 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, satellite, and vendor locations.For more than 75 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.Requisition ID9151- Posted10/26/2026-Bettis Lab-Engineering & Science-4 - 6 Years-0-25%-Job location (country) (1)United StatesJob location (region) (1)West Mifflin, PA