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# Senior Systems Administrator (Windows & Linux)

- **Company:** Zachary Piper
- **Location:** Annapolis Junction, MD, United States
- **Experience:** Expert
- **Salary:** $80,000 - $200,000
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Cyber Security, Linux, Linux Servers, Nessus, Splunk
- **Published:** November 1, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9270715/senior-systems-administrator-windows-linux

## About the Role

* Active TS/SCI clearance with Full Scope Polygraph (FSP).

 * Security+ CE certification or higher.

 * Experience administering both Linux and Windows environments.

 * Experience with IT security compliance initiatives.

 * Hands-on experience utilizing Splunk and/or Nessus.

 * Strong problem-solving and infrastructure support experience.

Compensation for the Senior Systems Administrator (Windows & Linux) includes

## Description

Piper Companies is seeking a Senior Systems Administrator (Windows & Linux) for a government technology client supporting classified programs in Annapolis Junction, MD. The Senior Systems Administrator (Windows & Linux) will manage enterprise operating environments while ensuring compliance with security standards and operational requirements.

Responsibilities of the Senior Systems Administrator (Windows & Linux):

 * Administer and maintain Windows and Linux server environments.

 * Monitor system health, performance, and security compliance.

 * Utilize Splunk and Nessus to identify and remediate vulnerabilities.

 * Support system patching, upgrades, and hardening activities.

 * Troubleshoot complex infrastructure issues across multiple platforms.

 * Collaborate with cybersecurity and engineering teams to maintain secure operations.