> Markdown version of [/jobs/ext/4024383-systems-administrator](https://www.wearedevelopers.com/jobs/ext/4024383-systems-administrator). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Systems Administrator - **Company:** Leidos, Inc. - **Location:** Dayton, OH, United States - **Experience:** Starter - **Salary:** $59,150.0 - $106,925.0 - **Contract:** Permanent contract - **Skills:** Proxmox, Microsoft Windows, Active Directory, Agile Methodology, Bash Shell, Complex Networks, CompTIA Security+, Dynamic Host Configuration Protocol, Linux, Domain Name System (DNS), Federal Information Processing Standards (FIPS), Identity and Access Management, Linux System Administration, Windows PowerShell, Scrum Methodology, Red Hat Enterprise Linux, Service Pack, Virtualization Technology, Scripting, Containerization, Kubernetes, Information Technology, Docker, User Administration, Vulnerability Analysis - **Published:** October 30, 2026 - **Apply:** https://www.techcareers.com/job.asp?id=3481027315&tx=JJ3125FFG&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54 ## About the Role * 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., * 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. ## Description 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., * 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.