Systems Administrator

About the Role

The Non-Kinetic Effects Business Area, part of the Defense Sector at Leidos, is seeking a cleared Systems Administrator for their Beavercreek, OH office. This role supports the Air Force Research Laboratory, Air Force Life Cycle Management Center, and other DoD missions by managing laboratory infrastructure, systems, and security requirements.

Key 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.
• Stay up to date on security, systems administration, and management best practices and technologies.
• Participate in network and infrastructure design and reviews.
• Maintain security patches, perform user management, and support other systems administration activities in accordance with Leidos, government, and contract requirements.

Requirements & Tech Stack

• 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.
• Or 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.
• 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 with virtualization technologies (Proxmox preferred).
• Experience with security scanning, monitoring, and patching in Windows and Linux environments.
• Experience with live, virtual, and constructive environments.
• 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.