> Markdown version of [/jobs/ext/469555-senior-windows-system-administrator](https://www.wearedevelopers.com/jobs/ext/469555-senior-windows-system-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). --- # Senior Windows System Administrator - **Company:** GCyber, LLC - **Location:** Arlington, VA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Linux, Linux System Administration, Windows Servers, Windows Services - **Published:** June 4, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=cfb79c0839b18c4c ## About the Role Do you have experience in Windows support?, Do you have a Bachelor's degree?, * Active Top Secret/SCI clearance * Bachelor's degree in a related discipline with 8+years of relevant experience * IAT II Certification (i.e., Security+, CCNA-Security, CySA+, CND, GICSP, GSEC, SSCP) * Strong experience administering Windows Server environments * Deep understanding of core Windows services and system management * Working knowledge of Linux systems. ## Description * Serve as the senior lead and primary Subject Matter Expert (SME) for all Windows Server environments, driving technical strategy, architecture decisions, and operational excellence. * Design, architect, implement, and sustain enterprise Windows infrastructure. * Own the health, performance, and availability of Windows systems; proactively monitor, analyze trends, and implement improvements to prevent issues before they impact operations. * Lead complex troubleshooting and incident resolution efforts, conducting deep root cause analysis and implementing permanent corrective actions across systems and services. * Establish and enforce enterprise standards, baselines, and hardening guidelines in alignment with security frameworks and compliance requirements. * Provide technical leadership and mentorship to system administrators and engineers; guide best practices and elevate team capabilities across Windows technologies. * Lead planning and execution of system lifecycle activities, including patching, upgrades, migrations, and modernization initiatives. * Provide cross-platform support by performing basic Linux system administration and coordinating with Linux SMEs for complex issues. ## Related Videos - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Keeping applications secure by evolving OAuth 2.0 and OpenID Connect](https://www.wearedevelopers.com/videos/100152-keeping-applications-secure-by-evolving-oauth-2-0-and-openid-connect) - [This Is Not Your Father's .NET](https://www.wearedevelopers.com/videos/967-this-is-not-your-father-s-net) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Testing applications in a regtest development environment with the ElectrumSV SDK](https://www.wearedevelopers.com/videos/147-testing-applications-in-a-regtest-development-environment-with-the-electrumsv-sdk) - [Introducing Digital Samba Embedded Video Conferencing API MCP Server](https://www.wearedevelopers.com/videos/1640-introducing-digital-samba-embedded-video-conferencing-api-mcp-server) ## 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) - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [A Guide to Green Tech and Green IT Careers](https://www.wearedevelopers.com/magazine/374-a-guide-to-green-tech-and-green-it-careers) - [System change: restart as developer?](https://www.wearedevelopers.com/magazine/39-system-change-restart-as-developer)