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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Windows Systems Administrator - **Company:** DecisionPoint Corporation - **Location:** Reston, VA, United States (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Active Directory, User Authentication, System Configuration, DevOps, Domain Name System (DNS), Event Logging, Web Servers, Internet Information Services (IIS), Microsoft Networking, Windows Servers, NT File System (NTFS), Virtualization Technology, Software Vulnerability Management, Information Technology, Windows Security, Windows Services, Event Viewer - **Published:** September 2, 2026 - **Apply:** https://diversityjobs.com/main/sendform/8/8/28176/1/18161324?backUrl=%2Fcareer%2F18161324%2FSenior-Windows-Systems-Administrator-Virginia-Reston ## About the Role * Bachelor's degree in Computer Science, Information Technology, DevOps Engineering, or a related field., * 10+ years of hands-on Windows Server administration experience. * Expert-level experience with Microsoft Windows Server in enterprise or mission-critical environments. * Strong hands-on expertise with Active Directory, Group Policy, DNS, authentication, and domain services. * Strong hands-on experience administering and troubleshooting Microsoft IIS. * Advanced Windows troubleshooting skills, including Event Viewer, services, permissions, performance, networking, and application issues. * Experience with DISA STIG, DoD RMF, Windows security hardening, and vulnerability remediation. * Strong understanding of NTFS permissions, certificates, SSL/TLS, Windows networking, and enterprise authentication. ## Description DecisionPoint is seeking an experienced Senior Windows Systems Administrator to serve as a technical SME supporting enterprise Microsoft Windows Server, Active Directory, and IIS environments. The role requires advanced expertise in Windows administration, Active Directory, Group Policy, DNS, IIS, authentication, networking, and system troubleshooting. Responsibilities include maintaining mission-critical systems, resolving complex production issues, supporting virtualized environments, and implementing security hardening and vulnerability remediation. Experience with DISA STIGs, DoD RMF requirements, and enterprise Windows security standards is essential., Serve as the technical SME for Microsoft Windows Server, Active Directory, and IIS environments. * Administer, configure, patch, upgrade, monitor, and troubleshoot enterprise Windows Server systems. * Manage and support Active Directory, including users, groups, OUs, Group Policy, DNS integration, trusts, and domain services. * Install, configure, secure, tune, and troubleshoot Microsoft IIS web server environments. * Perform advanced troubleshooting across Windows services, event logs, authentication, permissions, storage, CPU, memory, networking, and application connectivity. * Apply DISA STIGs and harden Windows systems to meet DoD RMF security requirements. * Manage Group Policy Objects (GPOs) and enterprise Windows security configurations. * Perform root-cause analysis for complex production issues and system outages. * Support virtualized Windows environments across development, test, and production. * Maintain technical documentation, SOPs, system configurations, and operational procedures. * Participate in production support and on-call rotations as required. ## Related Videos - [Automated MS SQL Server database deployments with dacpacs and Azure DevOps](https://www.wearedevelopers.com/videos/334-automated-ms-sql-server-database-deployments-with-dacpacs-and-azure-devops) - [Unsolved mysteries between Usability and Accessibility in iOS](https://www.wearedevelopers.com/videos/737-unsolved-mysteries-between-usability-and-accessibility-in-ios) - [Get ready to Rustle](https://www.wearedevelopers.com/videos/698-get-ready-to-rustle) - [From DevOps to Scaled DevOps: How We’re Rebuilding Continuous Delivery as a Platform](https://www.wearedevelopers.com/videos/100018-from-devops-to-scaled-devops-how-we-re-rebuilding-continuous-delivery-as-a-platform) - [Super scaling for the Super Bowl: How to survive 30 million users hitting your backend in 30 minutes](https://www.wearedevelopers.com/videos/100356-super-scaling-for-the-super-bowl-how-to-survive-30-million-users-hitting-your-backend-in-30-minutes) - [Closing Keynote by Joel Spolsky](https://www.wearedevelopers.com/videos/615-closing-keynote-by-joel-spolsky) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Events like RSAC Get You CISOs. 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