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# System Administrator

- **Company:** SRC Inc.
- **Location:** San Antonio, TX, United States
- **Experience:** Experienced
- **Salary:** $110,000.0 - $127,000.0
- **Contract:** Permanent contract
- **Skills:** Active Directory, Server Applications, CompTIA Security+, Computer Engineering, Database Servers, Linux, Domain Name System (DNS), Message Transfer Agent, Local Area Networks, Windows Servers, Red Hat Enterprise Linux, Storage Devices, High Performance Computing, Kubernetes, Information Technology, Server Operating Systems & Platforms
- **Published:** August 13, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9088191/system-administrator

## About the Role

* Bachelor's degree in computer engineering, Computer Science, Computer Information Systems, or related field and 4+ years' experience
 * An active TS/SCI clearance is required
 * Linux/RHEL and Kubernetes Experience
 * Storage device (SAN/NAS) experience
 * Windows Server Experience
 * High-performance computing (HPC) experience
 * CompTIA Security+ CE Certification
 * RedHat Certified Systems Administrator (RHCSA) certification
 * Experience with Open Shift Linux environment
 * Ability to support flexible (on call) duty hours and shift work to include holidays; designated "mission essential" and willing to work during inclement weather, and the ability to be called in even if weekly hours have been or will be exceeded
 * Ability to go TDY for training requirements (to meet all certifications/qualifications)

## Description

This position will support administration, configuration and maintenance and day-to-day operation of a complex, enterprise-capable, server environments consisting of application servers, database server, high-performance computing clusters, mail servers, storage devices (NAS/SAN), DNS, Active Directory, and other services on multiple classified networks.

Being an employee of SRC, you would be part of a company at the cutting edge of intelligence, defense, and environmental technology development with the design of cognitive big-data analytics, counterfire radars for troop protection, and environmental protection process and tool improvements. Most importantly, you would have the opportunity to explore engineering in a not-for-profit corporate environment that fosters creativity and encourages personal and professional growth while contributing to the environment and national defense.

What You'll Do

 * Provide onsite administration support, configuration, and maintenance of Government/DoD complex enterprise capable server environments at Lackland AFB during normal duty hours (0630 - 1800)
 * Provide integration, deployment, and sustainment activities within the customer site enterprise, as needed to support the product implementation
 * System maintenance, patching, advanced troubleshooting, capacity management, monitoring, and reporting activities
 * Provide hardware and software procurement assistance spanning shipment, delivery, and acceptance, along with documentation required to bring the equipment or media into the facility in support of the implementation
 * Participate in technical exchanges with other team members as well as implementing solutions.
 * Take initiative on identifying, understanding, and solving system problems
 * Maintain working knowledge of information assurance practices within Air Force (AF), Department of Defense (DoD) and Intelligence Community (IC) systems
 * Documentation of processes and procedures for implementation on local network
 * Attend capability developer-provided training to understand new features and learn how best to administer, configure, and maintain multiple applications and websites
 * Provide technical recommendations and experience in Open Shift technology


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