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# nLinux and Windows System Administrator

- **Company:** Leidos, Inc.
- **Location:** United States
- **Experience:** Experienced
- **Salary:** $87,100.0 - $157,450.0
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Active Directory, Automation of Tests, Bash Shell, CompTIA Security+, Linux, Domain Name System (DNS), Hyper-V, Windows Servers, Network Connections, Windows PowerShell, Red Hat Enterprise Linux, Ansible, Security Content Automation Protocol, Systems Integration, TCP/IP, Virtual Local Area Networks, Virtualization Technology, Software Vulnerability Management, Data Logging, Software Repository, Infrastructure Automation Frameworks, Tenable Nessus, Vulnerability Analysis, Vmware
- **Published:** October 1, 2026
- **Apply:** https://jobs.military.com/career/353097/linux-windows-systems-administrator-ohio-oh-beavercreek

## About the Role

* Current Active DoD Secret security clearance.\n
 * Current CompTIA Security+ certification.\n
 * Bachelor's degree in a technical field with 4-8 years of relevant experience. Additional years of relevant experience may be considered in lieu of a degree.\n
 * Experience administering Windows Server and Linux systems in secure or air-gapped environments.\n
 * Experience implementing DISA STIGs, SCAP, NIST 800-53 security controls, and system hardening practices.\n
 * Experience administering:\n
\n

 + Active Directory\n
 + DNS\n, * Experience building, integrating, maintaining, troubleshooting, and remediating Windows and Linux systems.\n
 * Experience deploying operating systems using PXE, Kickstart, ISO/disk imaging, and automated installation methods.\n
 * Experience configuring and troubleshooting Layer 2 switching, VLANs, TCP/IP, and network connectivity.\n
 * Experience managing Windows and Linux updates, patching, and vulnerability remediation.\n
 * Ability to develop automation scripts using PowerShell and Bash.\n
 * Familiarity with Linux software repository management.\n
 * Ability to work independently and collaboratively with minimal supervision.\n
 * Strong analytical, communication, and problem-solving skills.\n, * Red Hat Certified System Administrator (RHCSA) certification.\n
 * Experience administering VMware, Hyper-V, or other virtualized environments.\n
 * Experience with automation and configuration management tools, including Ansible.\n
 * Experience supporting secure or classified DoD environments.\n
 * Knowledge of backup, recovery, logging, and monitoring solutions.\n
 * Experience performing DISA STIG remediation, SCAP compliance validation, and vulnerability scanning using Tenable Nessus\n