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From the employer's careers site First seen 6 Nov 2026

Systems Administrator

GDIT San Antonio, TX On-site senior full-time

Salary

$97,968 - $129,950 per year

Apply on GDIT

Description

Transform technology into opportunity as a Systems Administrator with GDIT. A career in enterprise IT means connecting and enhancing the systems that matter most. At GDIT you'll be at the forefront of innovation and play a meaningful part in improving how agencies operate.

As a Systems Administrator you will help ensure today is safe and tomorrow is smarter. Our work depends on TS/SCI cleared Systems Administrator joining our team to support our intelligence customer in San Antonio, TX.

Job Duties:

  • Systems administration of desktop and server systems connected to local and wide area networks.
  • Provide support for implementation, troubleshooting and maintenance of IT systems and management of system infrastructure and any processes related to these systems.
  • Provide support to IT systems including day-to-day operations, monitoring and problem resolution for all the client/server/storage/network devices, mobile devices, etc.
  • Provide Tier 1, Tier 2 and Tier 3 problem identification, diagnosis and resolution.
  • Provide support for the escalation and communication of status to agency management and internal customers.
  • Install/load operating system and application software using PowerShell, PDQ, or MECM (SCCM) software deployment tools.
  • Isolate and resolve hardware and software problems involving the applications, the operating system, the hardware, the communications infrastructure, or any combination thereof.
  • Troubleshoot, maintain integrity and configure network components along with implementing operating systems enhancements to improve reliability and performance.
  • Perform software installations and upgrades to Windows operating systems and layered software packages and maintains them in accordance with established policies, procedures, licensing, and service level agreements.
  • Create and follow procedures to maintain and manage multiple linked databases including security, data safety and integrity, disaster recovery, and bulk data import/exports.
  • Conduct routine and emergency maintenance of assigned data center or end user equipment.
  • Communicate/coordinate scheduled preventive maintenance windows with potentially impacted customers.
  • Collaborate and contribute to the development, administration, and testing of backup and recovery plans.
  • Ensure systems are secure to STIG guidelines and security patches by reviewing ACAS scans and working with ISSO's to mitigate findings.
  • Maintain operational, configuration, and other standard operating procedures (SOPs).
  • Document providing clear working and resolution notes to all tickets and issues worked in a support ticket.
  • Verify system availability with existing Enterprise tools.
  • Perform duties as an Asset Custodian, including maintaining assets and conducting routine and annual inventory inspections to ensure 100 percent compliance in direct support of the assigned contract.

Requirements:

  • Bachelor's Degree and 5+ years of relevant experience or an equivalent combination of education and years of experience.
  • Must have Security+ certification or DoW 8570 Level II equivalent within 90 days of hire.
  • TS/SCI Clearance required and eligibility to obtain CI Poly.
  • Must be able to obtain System Administrator Accounts and access as required by customer within 90 days of hire.
  • RHEL, Windows, and/or Storage administration experience.
  • Experience working with trouble ticket reporting and tracking systems such as Service+.
  • Ability to respond to after hour calls “provide on-call support".
  • Ability to travel 0-20% to local area sites as well as other locations with similar architecture/footprint.
  • Strong documentation skills, experience working with MS office products especially Excel, Outlook, and Word.
  • Strong customer support and communication skills providing support to end users.
  • Ability to prioritize and execute tasks in a high-pressure environment.

Physical Requirements:

  • The employee will need to be able to lift/move/carry equipment as necessary (max 65 pounds).

Desired Skills:

  • Experience in the imagery intelligence domain a plus.
  • Ability to create and modify scripts in multiple disciplines on Windows, and Linux systems.
  • Knowledge of the Customer's processes and procedures and of the Customer's production systems a plus.
  • Ability to function as a team member and independently.
  • Prefer skills in one or more of the following: Window desktop OS, Windows Server, PowerShell, Red Hat, SQL, and Imagery Production Chain.
  • General knowledge of database administration, network administration and possess network configuration management skills.
  • Must maintain a valid US passport.

Benefits:

  • 401K with company match.
  • Comprehensive health and wellness packages.
  • Internal mobility team dedicated to helping you own your career.
  • Professional growth opportunities including paid education and certifications.
  • Cutting-edge technology you can learn from.
  • Rest and recharge with paid vacation and holidays.

Skills

Required

  • Microsoft Windows
  • Red Hat Enterprise Linux (RHEL)
  • Storage Management
  • Security+
  • PowerShell
  • PDQ
  • MECM (SCCM)

Nice to have

  • imagery intelligence
  • scripting
  • database administration
  • network administration
  • Window desktop OS
  • Windows Server
  • SQL
  • Imagery Production Chain

Ready to apply?

You apply with the employer directly. Their original posting is here: https://gdit.wd5.myworkdayjobs.com/en-US/External_Career_Site/job/USA-TX-San-Antonio/Systems-Administrator_RQ231578-1

Apply on GDIT