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Senior System Administrator

Naval Nuclear Laboratory (FMP)
Charleston, SC Full Time
POSTED ON 7/12/2026
AVAILABLE BEFORE 8/7/2026
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? Apply today!

Job Description

NNL is seeking a motivated technical professional to join the Naval Training Computing Systems (NTCS) team at NNPTC in Charleston, SC. The NTCS team designs, builds, and operates specialized training computer networks for the US Nuclear Navy, ensuring cybersecurity and reliable system operation.

Responsibilities include:

  • Managing network device configurations and performing hardware/software installations.
  • Administering Windows operating systems, group policies, Linux servers, and COTS software.
  • Supporting cybersecurity initiatives, identifying vulnerabilities, and ensuring compliance.
  • Developing and troubleshooting in-house software tools.
  • Providing innovative IT solutions, leading technical efforts, and consulting on IT support for the NR program.
  • Collaborating with Navy personnel, other directorates, and vendors as needed.

Required Combination Of Knowledge And Skill

Bachelor's degree from an accredited college or university and a minimum of 6 years of relevant experience; or Master's degree from an accredited college or university in a related field and a minimum of 4 years of relevant experience.

Preferred Skills

  • CompTIA certifications (A , Network , Security )
  • MS Windows clients and servers on a network
  • System administration such as Active Directory, Group Policy Management, and administration of users and computers
  • Virtual environments to include creation and maintenance of golden images and server VMs

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

$86,100.00 - $134,600.00 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 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.

Salary : $86,100 - $134,600

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