> Markdown version of [/jobs/ext/1481389-systems-administrator](https://www.wearedevelopers.com/jobs/ext/1481389-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:** Nabout Leidos - **Location:** St. Louis, MO, United States - **Experience:** Expert - **Salary:** $92,300.0 - $166,850.0 - **Contract:** Permanent contract - **Skills:** Active Directory, Bash Shell, Cyber Security, Dynamic Host Configuration Protocol, Domain Name System (DNS), Python (Programming Language), Windows Servers, Windows PowerShell, Red Hat Enterprise Linux, VMware VSphere, Software Vulnerability Management, Information Technology - **Published:** July 29, 2026 - **Apply:** https://jobs.military.com/career/293648/senior-systems-administrator-missouri-mo-st-louis ## About the Role * Bachelor's degree in Information Technology, Computer Science, Engineering, or related field and 8-12 years of prior relevant experience or Master's with 6-10 years of prior relevant experience.\n * 8+ years of enterprise systems administration experience.\n * Experience supporting mission-critical DoD or Intelligence Community environments.\n * Strong administration experience with:\n \n + Microsoft Windows Server\n + Red Hat Enterprise Linux (RHEL)\n + VMware vSphere\n + Active Directory\n + DNS/DHCP\n + Group Policy\n \n * Experience with scripting and automation using PowerShell, Bash, or Python.\n * Experience implementing and maintaining STIG compliance.\n * Knowledge of RMF security controls and vulnerability remediation.\n * Strong troubleshooting and analytical skills.\n * Must have a Security+ CE or higher DoD 8570/8140 certification\n ## Description Are you passionate about solving complex technical challenges in support of national security? Leidos is seeking a Senior Systems Administrator to join our high-performing team on the Chinook Program, supporting our Intelligence Community customer. In this mission-critical role, you'll be at the forefront of maintaining and enhancing the application ensuring the reliability, security, and performance of systems that directly enable intelligence operations. ## Related Videos - [Old tools, new tricks](https://www.wearedevelopers.com/videos/1916-old-tools-new-tricks) - [Thinking Differently - How to Make Money from Cyber Attacks & Cheats](https://www.wearedevelopers.com/videos/745-thinking-differently-how-to-make-money-from-cyber-attacks-cheats) - [Hacking MSSQL on Cloud. All of them. How I became sysadmin on Azure, AWS, GCP and Alibaba.](https://www.wearedevelopers.com/videos/100339-hacking-mssql-on-cloud-all-of-them-how-i-became-sysadmin-on-azure-aws-gcp-and-alibaba) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [MCP doesn’t suck — your agent does](https://www.wearedevelopers.com/videos/100202-mcp-doesn-t-suck-your-agent-does) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) ## Related Articles - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking)