> Markdown version of [/jobs/ext/1277553-system-administrators-iv](https://www.wearedevelopers.com/jobs/ext/1277553-system-administrators-iv). 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). --- # System Administrators IV - **Company:** LinTech Global, Inc. - **Location:** Fort Belvoir, VA, United States - **Experience:** Expert - **Salary:** $95,000.0 - $105,000.0 - **Contract:** Permanent contract - **Skills:** Active Directory, Linux, Microsoft Software, Windows Servers, Information Technology, Performance Monitor, Server Operating Systems & Platforms, Vmware - **Published:** July 15, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=f2aba2a98a968caf ## About the Role * 10+ Years of progressive experience demonstrating the required proficiency in system administration. * Master's degree in Computer Science, Information Technology, or related field, and/or equivalent years of experience. * Experience deploying and sustaining enterprise server operating systems including Microsoft Windows Server, Linux, and VMware. * Experience managing Microsoft Active Directory in enterprise environments. * Experience with backup/recovery operations, performance monitoring, and capacity analysis. * Experience creating and maintaining technical documentation including SOPs, maintenance guides, and knowledge base articles. * Experience with DISA STIG compliance in DoD IT environments. Required to Start: * Certification Requirements: a Current IAT III Certification is required to Start. * Clearance Requirements: a Current/Active DOD Secret Clearance is required to Start ## Description * The System Administrator IV is responsible for deploying, sustaining, and troubleshooting server operating systems and related infrastructure supporting the Defense Health Agency (DHA) GSP TO7 at ATAMMC. * This senior-level administrator manages the day-to-day integrity, security, and availability of infrastructure platforms and collaborates with architecture and engineering teams to evaluate and implement new infrastructure solutions. * Contract Support Hours: Monday-Friday, 0600-1800 Job Duties: * Deploy, sustain, and troubleshoot server operating systems and their related infrastructure. * Manage the day-to-day administration, integrity, security, and availability of infrastructure platforms. * Perform daily system backups, monitor performance and capacity, and maintain a secure operational posture. * Create and maintain documentation, including SOPs, maintenance guides, and knowledge base articles. * Collaborate with architecture and engineering teams to evaluate, recommend, and test new infrastructure hardware and software. * Perform infrastructure maintenance and security upgrades. * Handle complex tasks independently. * Install, configure, maintain, and optimize server operating systems (e.g., Microsoft, Linux, and VMware). * Sustain Microsoft Active Directory, including object creation and maintenance. * Perform Root Cause Analysis to identify, document, and resolve problems as directed. * Apply, document, and gain approval for application STIGs. * Participate in On-Call/Call-Back rotation for Engineering Services. ## Related Videos - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [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) - [WebAssembly: The Next Frontier of Cloud Computing](https://www.wearedevelopers.com/videos/972-webassembly-the-next-frontier-of-cloud-computing) - [Hacking MSSQL on Cloud. 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