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# Linux Systems Administrator, Senior

- **Company:** Booz Allen Hamilton Inc.
- **Location:** Tampa, FL, United States
- **Experience:** Expert
- **Salary:** $61,900.0 - $141,000.0
- **Contract:** Permanent contract
- **Skills:** Ubuntu (Operating System), Linux, Linux System Administration, Red Hat Enterprise Linux, Software Vulnerability Management
- **Published:** October 26, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9261132/linux-systems-administrator-senior

## About the Role

* 12+ years of experience in a professional work environment
 * Experience administering enterprise RHEL and Ubuntu systems
 * Experience supporting multi-enclave or multi-tenant environments
 * Knowledge of vulnerability remediation frameworks, errata processes, and patch orchestration
 * Ability to troubleshoot complex issues across OS, network, storage, and platform layers
 * TS/SCI clearance
 * HS diploma or GED
 * DoD 8570 IAT Level II Certification
 * DoW 8140 Work Role Code 451 Intermediate Certification

Nice If You Have:

 * Red Hat Certified System Administrator (RHCSA) Certification

 * ORLPIC-2 Certification

## Description

Your combination of people skills and system administrator knowledge makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting the DoW? We're looking for a system administrator who specializes in Linux systems administration to help us operate and maintain our clients' Linux-based systems.

We focus on growing as a team, so we'll share techniques, work through challenges, and develop new methodologies together.

What You'll Work On:

 * Perform enterprise fleet O&M across multi-enclave environments, including lifecycle sustainment for RHEL systems.
 * Execute incident resolution, including troubleshooting OS, configuration, service, and platform-level issues.
 * Conduct post-provisioning validation and onboarding of newly deployed systems.
 * Manage host compliance through errata application, STIG and CIS alignment practices, and quarterly patch cycle execution.
 * Perform vulnerability patching, remediation, and compliance verification across RHEL and Ubuntu systems.
 * Perform directory integration validation and ensure correct binding of Linux hosts to identity services.
 * Manage user and service accounts, ensuring proper onboarding, permissions, and lifecycle controls.
 * Absorb operational workload associated with the onboarding of Ubuntu and emerging containerized platforms.
 * Provide operational support for both Ubuntu and RHEL systems, including patching, troubleshooting, and lifecycle sustainment.
 * Execute standard hygiene tasks such as log retention management, host health checks, and backup or restore verification.
 * Maintain routine service and patching support across enclaves, ensuring consistent operational readiness.
 * Resolve Tier 2 support tickets related to Linux platforms.
 * Participate in patching windows for Linux systems and in audit activities related to enclave synchronization.