Systems Administrator

Description Are you ready for your next career challenge? The Non-Kinetic Effects Business Area, part of the Defense Sector at Leidos, currently has an opening for a cleared Systems Administrator to work in our Beavercreek, OH office. This is an exciting opportunity to use your experience supporting the Air Force Research Laboratory, Air Force Life Cycle Management Center, and other DoD missions. In this role, you will support a diverse portfolio of programs through laboratory infrastructure design and buildout, systems administration and maintenance, implementation and maintenance of security requirements, hardware interfacing and integration, and laboratory experimentation. Primary Responsibilities: Implement and maintain Software-in-the-Loop (SIL) systems and infrastructure for complex networks. Document and communicate proposed solutions to integrated, cross-functional engineering teams in a fast-paced, highly technical environment. Stay up to date on security, systems administration, and management best practices and technologies. Participate in network and infrastructure design and reviews to ensure the delivery of quality products and enhance skillsets. Maintain security patches, perform user management, and support other systems administration activities in accordance with Leidos, government, and contract requirements. Basic Qualifications: Bachelor's degree in Computer Science, Information Technology, Systems Administration, or a related field with 2+ years of prior relevant experience, or a Master’s degree with 0–2 years of experience in the above-mentioned technical fields. An additional 4 years of relevant experience may be considered in lieu of a degree. Must be a U.S. Citizen. Must have an active DoD Top Secret clearance with the ability to obtain and maintain TS/SCI. Experience with scripting in Bash and PowerShell. Experience managing systems in both Linux and Windows environments. Ability to communicate effectively, both verbally and in writing, in settings ranging from informal one-on-one discussions to small group environments. Ability to work well within a team and independently with minimal supervision. Ability to work within a dynamic environment, manage multiple priorities, and handle multiple tasks simultaneously. Strong desire to grow and learn new technologies. Strong interpersonal and communication skills. Preferred Qualifications: Relevant certifications related to systems administration work (e.g., CompTIA Security+, Network+, Server+, CCNA, RHCSA). Familiarity with Agile methodologies, preferably Scrum or Kanban. Familiarity with DHCP, DNS, Certificate Authority, PXE, Active Directory, Linux Identity Management (RHEL IdM, FreeIPA), and other related tools. Experience working with virtualization technologies (Proxmox preferred). Experience with security scanning, monitoring, and patching in Windows and Linux environments. Experience with live, virtual, and constructive environments to understand complex systems and troubleshooting. Familiarity with DoD systems and environments (STIG, FIPS, CUI processing, etc.). Familiarity with containerization technologies such as Docker or Podman. Experience with Kubernetes. Experience standing up and maintaining systems in limited or offline environments. Strong understanding of networking and how to build and configure a complex lab network. Prior experience working with the DoD. Your opportunity to make an impact starts here. Leidos is dedicated to making the world a safer place. This starts with helping our customers in the Defense Industry achieve their critical missions. Our dedicated Defense Group employees are solving critical challenges across the globe. At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. NKE If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: October 28, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $59,150.00 - $106,925.00 The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at View email address on click.appcast.io. If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission. Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws. #J-18808-Ljbffr