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# Senior Linux System Administrator

- **Company:** Mantech International Corporation
- **Location:** Fort Meade, MD, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Computer Networks, Linux, Information Technology Operations, Networking Hardware, Network Planning and Design, Office Suite, Systems Architecture, Information Technology
- **Published:** August 26, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9117461/senior-linux-system-administrator

## About the Role

* Bachelor's degree in a technical discipline; an additional 4 years of related experience might be substituted for a degree.
 * 20+ years of related experience in systems administration or IT operations.
 * Experience with Linux, including installation, configuration, troubleshooting, and maintenance.

Clearance Requirements:

 * Active TS/SCI with Polygraph.

Physical Requirements:

 * Must be able to remain in a stationary position 50% of the time.
 * Constantly operates a computer and other office productivity machinery (e.g., calculator, copy machine, printer).
 * Frequently communicates with co-workers, management, and customers, which may involve delivering presentations.

## Description

In this role, you will provide support for implementation, troubleshooting, and maintenance of IT systems, as well as manage IT system infrastructure and any processes related to these systems., * Provide support for implementation, troubleshooting, and maintenance of IT systems.

 * Manage IT system infrastructure and processes related to client/server/storage/network devices and mobile devices.
 * Perform Tier 1 (Help Desk) and Tier 2 (Escalation) support: problem identification, diagnosis, and resolution.
 * Optimize system operations and resource utilization; perform capacity analysis and system planning.
 * Configure and manage Linux and Windows operating systems; install, load, and enhance OS software for improved reliability and performance.
 * Troubleshoot and maintain system integrity and network components.
 * Provide detailed analysis and feedback to management and internal customers on escalated issues.
 * Support the design of system architectures and associated hardware.


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