New

Linux Administrator, Advanced

Naval Nuclear Laboratory
parental leave, tuition assistance, 401(k)

Mar 12, 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 Join the Naval Nuclear Laboratory as a Linux Systems Administrator supporting cutting-edge High?Performance Computing (HPC) environments that drive critical engineering and research for the United States Navy. In this role, you will take ownership of administering, configuring, and optimizing Linux-based systems that power some of the Navy's most advanced projects.You will ensure systems meet rigorous security and compliance standards while maintaining exceptional performance, reliability, and availability. Your expertise will help shape and sustain secure, innovative computing environments essential to mission success. As a key technical partner, you will: Monitor, troubleshoot, and enhance system configurations to maintain operational readiness Collaborate closely with engineers, researchers, and technical stakeholders to resolve issues and improve system capabilities Strengthen system integrity through proactive maintenance and continuous improvement Serve as a subject matter expert in Linux system administration within a highly secure and forward?leaning environment Administer and maintain Linux systems within a secure HPC environment. Deploy, configure, and manage virtual machines using VMware. Monitor system performance, troubleshoot issues, and implement optimizations. Develop and execute patch management strategies to ensure system stability and mitigate security vulnerabilities. Ensure compliance with DISA-STIGs and other government security standards to maintain secure and reliable systems. Utilize tools such as ServiceNow and What's Up Gold for system monitoring, incident tracking, and management. Document technical processes, best practices, and system updates. Collaborate with the team to improve system efficiency and security while meeting operational needs. Required Combination of Knowledge and Skill Bachelor's degree from an accredited college or university and a minimum of 4 years of relevant experience; or Master's degree from an accredited college or university in a related field and a minimum of 2 years of relevant experience. Preferred Skills Proficient in Linux operating systems (e.g., Red Hat Enterprise Linux (RHEL), Ubuntu). Strong knowledge of BASH scripting. Experience with Ansible for configuration management and automation. Experience with other scripting languages (e.g., Python, Perl). Experience with cybersecurity best practices and frameworks. Experience with ServiceNow or similar IT service management platforms. Understanding of ITIL processes for incident, problem, and change management. Knowledge of TCP/IP, DNS, DHCP, and basic networking protocols. Experience configuring firewalls, VPNs, and troubleshooting connectivity issues. 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 $77,900.00 - $119,300.00 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. Apply Now