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# Systems Administrator Infrastructure and Sustainment

- **Company:** Staffed4U LLC
- **Location:** Lehi, UT, United States (Remote available)
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Unix, Client Server Models, Computer Networks, System Configuration, Linux, Monitoring of Systems, System Software, Enterprise Software Applications, System Availability, Software Troubleshooting, Reliability of Systems, Information Technology
- **Published:** September 19, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9122109/systems-administrator-infrastructure-and-sustainment

## About the Role

* Minimum of 5 years of System Administrator experience supporting programs and contracts of similar scope, type, and complexity.
 * Bachelor's degree in a technical discipline from an accredited college or university.
 * Five additional years of System Administrator experience may be substituted for the bachelor's degree.
 * Experience administering and troubleshooting enterprise IT systems.
 * Experience working with Linux, Unix, Windows, or similar operating systems.
 * Strong troubleshooting and problem-resolution skills.
 * Experience supporting client/server infrastructure and enterprise system operations.
 * Ability to analyze and resolve escalated technical issues.
 * Experience with system monitoring, maintenance, and performance improvement.

Clearance Requirement

An active TS/SCI with Polygraph is required for this position.

## Description

We are seeking an experienced System Administrator Level 2 to provide infrastructure and sustainment support for mission-critical IT systems in a secure environment.

This position will support the implementation, administration, troubleshooting, monitoring, and maintenance of enterprise IT infrastructure across Linux, Unix, and Windows environments. The ideal candidate has a strong systems administration background and is comfortable troubleshooting complex technical issues across client, server, storage, network, and related infrastructure., * Implement, troubleshoot, maintain, and administer enterprise IT systems.

 * Manage IT system infrastructure and related operational processes.
 * Support day-to-day system operations, monitoring, maintenance, and problem resolution.
 * Provide support for client, server, storage, network, and mobile device environments.
 * Perform in-depth troubleshooting of complex IT system issues.
 * Provide Tier 1 Help Desk support and Tier 2 escalation support as required.
 * Analyze escalated tickets and provide detailed technical feedback and recommendations.
 * Communicate system status, incidents, and technical issues to management and internal customers.
 * Support dispatch-system and hardware issues through resolution.
 * Configure and administer Linux, Unix, Windows, and other applicable operating systems.
 * Install operating system software and perform system configuration and maintenance.
 * Troubleshoot operating system issues and maintain overall system integrity.
 * Configure network components to improve system reliability and performance.
 * Implement operating system enhancements and improvements.
 * Support system monitoring, escalation procedures, user support, and capacity planning.
 * Identify opportunities to improve system availability, reliability, and performance.