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# Senior Linux System Administrator (PKI)

- **Company:** Meadowgate Technologies LLC
- **Location:** Hanover, MD, United States
- **Experience:** Expert
- **Salary:** $172,000 - $206,000
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Client Server Models, Computer Networks, Linux, Monitoring of Systems, Networking Hardware, Public Key Infrastructure, Enterprise Software Applications, Reliability of Systems, Information Technology, Network Server
- **Published:** November 8, 2026
- **Apply:** https://www.juju.com/job/16_f943cd183

## About the Role

* Bachelor's degree in a technical discipline from an accredited college or university.
 * Fifteen years of System Administration experience supporting programs or contracts of similar scope, type, and complexity.
 * Five additional years of System Administration experience may be substituted for the bachelor's degree, for a total of 20 years without a degree.
 * Strong experience administering Windows and UNIX/Linux environments.
 * Demonstrated troubleshooting and problem-resolution skills across enterprise IT systems.
 * Certification meeting or exceeding CWIP IAT Level II requirements.
 * Active TS/SCI clearance with a Full-Scope Polygraph.

## Description

The Senior Linux System Administrator supports the implementation, maintenance, and troubleshooting of mission-critical IT systems and infrastructure. This position manages day-to-day system operations and provides technical support across client/server environments, storage systems, network devices, and other enterprise technology., * Install, configure, administer, and maintain Windows and UNIX/Linux operating systems.

 * Monitor system performance, availability, and reliability.
 * Identify, diagnose, and resolve Tier 1 and Tier 2 technical issues.
 * Support servers, storage systems, network components, and end-user devices.
 * Install and upgrade operating systems, software, patches, and system enhancements.
 * Troubleshoot hardware, software, system, and network-related problems.
 * Maintain system integrity, security, and operational readiness.
 * Escalate issues and communicate resolution status to management and internal customers.
 * Coordinate the dispatch and resolution of system and hardware problems.
 * Recommend and implement improvements that enhance system reliability and performance.