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# Senior Systems Administrator [$256k/yr+] TS/SCI-FS Poly

- **Company:** SYSTOLIC, INC.
- **Location:** Annapolis Junction, MD, United States
- **Experience:** Expert
- **Salary:** $256,000.0
- **Contract:** Permanent contract
- **Skills:** Active Directory, Apache Tomcat, Configuration Management, Linux, Internet Information Services (IIS), Python (Programming Language), Kernel-Based Virtual Machine, Microsoft SQL Server, Windows Servers, Network Architecture, Public Key Infrastructure, Windows PowerShell, Virtualization Technology, Computer Network Operations, System Availability, Patch Management, Hardware Infrastructure, Vmware
- **Published:** October 30, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9277302/senior-systems-administrator-256kyr-tssci-fs-poly

## About the Role

* Degree: Technical bachelor's degree or equivalent experience
 * Years of experience: 15+ years
 * Total Compensation: $256k+ yearly (tentative)

## Description

* Provide comprehensive system administration support across complex, geographically distributed Linux and Windows Server environments.
 * Sustain and optimize multiple air-gapped server enclaves, associated storage, and supporting network infrastructure.
 * Ensure system integrity and reliability through proactive patch management, operating system hardening, and automated administration., * Install, configure, and administer Linux and Windows Server platforms, including Active Directory and multi-domain environments.
 * Perform OS and application hardening in alignment with DISA standards, security best practices, and high-assurance requirements.
 * Manage complex server enclaves by analyzing system vulnerability scans, conducting patch management, and managing PKI certificates.
 * Automate administrative workflows and configuration management using Salt, Python, and PowerShell scripting.
 * Maintain and optimize virtualization platforms utilizing VMware, KVM, and server hardware infrastructure.
 * Support application environments including Apache Tomcat, IIS, and SQL Server databases.
 * Troubleshoot and resolve complex hardware, software, and network operations issues to maintain high availability.
 * Document network and server configurations, operational procedures, and incident resolution workflows.