> Markdown version of [/jobs/ext/4028689-senior-systems-administrator-256k-yr-ts-sci-fs-poly](https://www.wearedevelopers.com/jobs/ext/4028689-senior-systems-administrator-256k-yr-ts-sci-fs-poly). 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 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, Software Documentation, Linux, Disaster Recovery, Disk Arrays, Python (Programming Language), Kernel-Based Virtual Machine, Windows Servers, Network Architecture, Public Key Infrastructure, Windows PowerShell, Software Troubleshooting, Vulnerability Analysis, Vmware
- **Published:** October 30, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9277305/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 geographically distributed Linux and Windows Server environments.
 * Maintain complex, air-gapped server enclaves, execute operating system hardening, and manage vulnerability patching.
 * Leverage Salt, Python, VMware, Apache Tomcat, and KVM to automate, maintain, and optimize server and network infrastructure., * Install applications, administer systems and processes, and optimize server and desktop configurations to ensure reliable operations.
 * Support multi-domain air-gapped systems, Active Directory configurations, PKI renewals, and complex server enclaves.
 * Perform OS and application hardening in high-assurance environments following DISA and established best practices.
 * Conduct system patching, vulnerability assessments, hardware and software troubleshooting, and disaster recovery operations.
 * Utilize automation and scripting tools, including Salt, Python, and PowerShell, to streamline administrative workflows.
 * Deploy, configure, and maintain virtualization infrastructure using VMware and KVM alongside storage systems and disk arrays.
 * Create and maintain detailed system documentation, analyze scan reports, and coordinate outage resolutions with stakeholders.