System Administrator
Listed on 2026-02-18
-
IT/Tech
IT Support, Systems Administrator, Network Administrator
Type of Requisition
Regular
Clearance Level Must Currently PossessTop Secret/SCI
Clearance Level Must Be Able to ObtainTop Secret SCI + Polygraph
Public Trust/Other RequiredNone
Job FamilyIT Infrastructure and Operations
Job Qualifications- Skills: End User Technology, IT Troubleshooting, Virtual Desktop Infrastructure (VDI)
- Certifications: None
- Experience: 5 + years of related experience
- US Citizenship
Required:
Yes
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. At GDIT, people are our differentiator. 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 St. Louis, MO.
As a System Administrator (Desktop Support), you will be responsible for providing excellent technical support to end-users, maintaining desktop systems, and ensuring the reliable operation of computer systems. You will work closely with both on-site and remote users to resolve issues, coordinate upgrades, and provide hands‑on support for desktop environments.
In this role, a typical day will include:
- Independently develop technical solutions for the management of software, hardware, configurations, and architecture. Provide interpretation for systems matters that are moderately complex in nature.
- Provide troubleshooting support for systems hardware and software issues that are highly complex.
- Perform advanced software installations and upgrades to operating systems and layered software packages.
- Apply advanced knowledge in monitoring and tuning the system to achieve optimum performance levels.
- Provide guidance to less experienced personnel on workstation/server data integrity matters and the implantation of standard software and hardware solutions.
- Lead complex data/media recoverability following a schedule of system backups and database archive operations.
- Evaluate and assess existing systems and plan long‑term strategies.
- Configure and maintain networked computer systems, including hardware, system software, and applications.
- Conduct advanced to complex hardware and software audits of workstations and servers to ensure compliance with established standards, policies and configuration guidelines.
- Be a recognized subject‑matter expert in job area typically through advanced education and work experience. Establish operational plans. Manage large projects with limited oversight from manager.
- Strong written and verbal communication is imperative when dealing with technically minded employees and non‑technical colleagues.
- Train end‑users on the proper use of hardware and software. May train large groups of end users.
- May coach and review the work of less‑experienced professionals.
- May serve as a team or task leader (Not a people manager).
Knowledge in one or more of the following areas:
- Thin Client using Virtual Desktop Infrastructure (VDI) Technology
- Experience and/or knowledgeable with:
Windows 11;
Windows 10;
Citrix; SMS; and SCCM - End User Hardware:
- Thin Client, Thick Monitors, KVMs, Printers, Plotters, Print Server Configurations, VOIP phone.
- Desktop Image Management
- Home Directory and Profile Support Services
- E‑mail Support Services
- Software Support Services
- Experience and/or knowledgeable with;
Windows 7;
Windows 10;
Windows 11;
Citrix; SMS; and SCCM
- Excellent troubleshooting capabilities
- Strong communication skills
- Strong work ethic and attention to detail
- Strong writing skills (consistently document work completed)
- Strong time management skills and ability to work flexible schedules to meet job requirements
- Ability to move and lift computers, printers, monitors, and other hardware
- Team player and willing to share knowledge and learn from others to ensure team's success
- Enthusiasm and ability to adapt to new and changing technologies
- BA/BS (or equivalent experience)
- 5+ years of…
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