> Markdown version of [/jobs/ext/2628659-microsoft-system-administrator-senior-881](https://www.wearedevelopers.com/jobs/ext/2628659-microsoft-system-administrator-senior-881). 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). --- # Microsoft System Administrator - Senior - #881 - **Company:** Allen Integrated Solutions - **Location:** Fort Belvoir, VA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Active Directory, Dynamic Host Configuration Protocol, Domain Name System (DNS), Windows Servers, Windows PowerShell, Server Administration, Scripting, SC Clearance, Performance Monitor, Network Server - **Published:** August 11, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=2a74785807bf6cef ## About the Role * Eight years of progressively responsible experience in server administration, including supporting and managing servers in a production environment. * Five years of experience identifying and analyzing server requirements; planning the design and deployment of new technologies and upgrades. * Five years of experience applying industry best practices on Windows Server 2016 and later operating systems encompassing configuration, implementation, and security. * Eight years of experience on server administration in Microsoft (MS) Windows environments, including MS Windows Server 2016 and later configuration to include performance monitoring, tuning, and making recommendations to improve overall system performance and application efficiency. * Four years of management experience. Microsoft Active Directory, DNS, DHCP. * Three years of experience serving as a team leader working as both part of a team and independently to assign/review immediate tasks, set priorities, maintain task progress, validate team members' work consistent with the organizational goals and deadlines. * Five years of experience mentoring junior personnel on proper practices and procedures. * Five years of experience in server administration applying systems patches and STIGs on a Microsoft (MS) Windows Server 2016 and later. * Four years of experience using PowerShell and other scripting languages to automate common and repeat tasks. Certifications: * TS/SCI clearance with SBI and ability to attain SI, TK, G, HCS, and NATO Secret clearance. * Microsoft Certified Solutions Associate (MSCA) or Windows Server 2012/ Windows Server 2016 Certification. * DoD 8140.03 IAT Level II /Intermediate certification. ## Related Videos - [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) - [Kubernetes Security - Challenge and Opportunity](https://www.wearedevelopers.com/videos/412-kubernetes-security-challenge-and-opportunity) - [JavaScript? No. Java Scripts! - Scripting with Java](https://www.wearedevelopers.com/videos/2094-javascript-no-java-scripts-scripting-with-java) - [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) - [tRPC: API schemas are pure overhead](https://www.wearedevelopers.com/videos/796-trpc-api-schemas-are-pure-overhead) - [Intermediate Bitcoin Script](https://www.wearedevelopers.com/videos/25-intermediate-bitcoin-script) ## 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) - [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) - [Dev Digest 162: AI careers, MCP, AWS best practices & floppy sweaters](https://www.wearedevelopers.com/magazine/571-dev-digest-162-ai-careers-mcp-aws-best-practices-floppy-sweaters) - [Dev Digest 164: AI Agents, AI Blindspots and MCP security problems](https://www.wearedevelopers.com/magazine/578-dev-digest-164-ai-agents-ai-blindspots-and-mcp-security-problems) - [Dev Digest 176: Expensive Agents, Taking Over VSCode and Safer Vibe Coding](https://www.wearedevelopers.com/magazine/603-dev-digest-176-expensive-agents-taking-over-vscode-and-safer-vibe-coding)