New

System Administrator

Naval Nuclear Laboratory
parental leave, tuition assistance, 401(k)
United States, Pennsylvania, West Mifflin
814 Pittsburgh McKeesport Boulevard (Show on map)
Oct 16, 2026
About Us 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 (NNL) is seeking a detail-oriented System Administrator to join the Unclassified Systems Infrastructure (USI) Information Technology (IT) team. In this role, you will be responsible for administering, maintaining, securing, and improving IT infrastructure and endpoint-management environments. The position includes supporting and maintaining Windows client and server environments, Active Directory, core network and server services, configuration management, patching and vulnerability remediation, and automation initiatives. You will be part of a team of skilled IT professionals who partner with engineers to maintain the network infrastructure supporting the design, development, and testing of naval nuclear propulsion instrumentation and control systems for the U.S. Navy. Responsibilities for this position may include, but are not limited to: * Administer, maintain, and troubleshoot Windows client and Windows Server operating systems. * Support and maintain Windows Server services, including IIS, DFS, DNS, DHCP, and related infrastructure components. * Administer Microsoft Active Directory environments, including users, computers, groups, organizational units, Sites and Services, Group Policy, and related identity-management functions. * Create, maintain, and improve system documentation, technical procedures, configuration baselines, release records, and standard operating procedures (SOPs). * Provide end-user and technical support, including issue diagnosis, resolution, escalation, and communication with customers and stakeholders. * Support a variety of enterprise technologies, including Microsoft Configuration Manager (MCM), Exchange, SharePoint, and Skype for Business. Required Combination of Knowledge and Skill Bachelor's degree from an accredited college or university and a minimum of 2 years of relevant experience; or Master's degree from an accredited college or university in a related field and a minimum of 1 year of relevant experience. Preferred Skills * Experience supporting Windows client and server operating systems. * Experience with configuration management, change control, and system documentation. * Familiarity with enterprise collaboration and systems-management applications, including Microsoft Configuration Manager, Exchange, SharePoint, and Skype for Business. * Familiarity with networking concepts and services, including local-area and wide-area network (LAN/WAN) environments, DNS, and DHCP. * Excellent teamwork, communication, and organizational skills. * Strong troubleshooting and problem-solving abilities. * Familiarity with endpoint deployment, software distribution, operating system deployment, and patch-management processes. * Ability to collaborate effectively across multiple locations. 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 $70,900.00 - $108,500.00 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. Apply Now