Mechanical​/Structural Engineer

parental leave, tuition assistance, 401(k)

United States, South Carolina, Charleston

Sep 03, 2026

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?

Join the Site Engineering team at Nuclear Power Training Unit Charleston (NPTU-C) and take on challenging, high impact work at the intersection of waterfront operations and critical site infrastructure. Hone your craft with a team of skilled professionals supporting the US Navy in the areas of site operations, infrastructure projects, and major construction projects. As a Mechanical/Structural Engineer you will work to keep our site-and our vessels-safe, connected, and mission-ready.

• Cognizant engineer for piers, mooring, and other waterfront structures that support permanently moored vessels; making sure they're safe, robust, and ready for extreme conditions
• Work as a member of a multi-disciplinary team to deliver infrastructure upgrades, providing mechanical and civil/structural insight from concept through construction
• Provide in-service engineering support for civil systems (water, sanitary, storm water, etc.)
• Assess lifting and handling operations and surface weight bearing capacity for equipment, vehicles, and staged loads; recommend reinforcements or operational limits
• Perform structural load calculations for destructive weather and seismic events, ensuring our facilities and equipment can withstand environmental factors
• Perform technical and Quality Assurance reviews for mechanical disciplines and deliverables (design reviews, construction submittal reviews, field surveys, and closeout inspections) to support various SPPE-led infrastructure and major construction projects

Bachelors degree from an accredited college or university in a related technical, engineering or science field and a minimum of 2 years of relevant experience; or Masters degree from an accredited college or university in a related technical, engineering or science field and a minimum of 1 year of relevant experience; or Currently an Intermediate Reactor Training Engineer, Refueling Engineer, or Field (RPCO) Engineer at the Company.

• Working knowledge of key codes and standards, such as Unified Facilities Criteria, IBC, ASME, ASCE, ACI, NFPA, etc.
• Ability to read and interpret engineering drawings, construction specifications, and engineering standards
• Proficiency with AutoCAD software to create, review, and revise technical drawings
• Strong skills in structural load calculations including wind, seismic, and environmental loads, and lifting and handling applications
• Strong skills in technical writing and communication
• Familiarity with construction methods and techniques pertaining to site development, building construction, and system commissioning
• Familiarity with project management principles (scope, schedule, budget, risk)

• 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 $78,700.00 - $ 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…