Systems Administrator Advisor
GDIT· enterprise· Defense IT· Sep 18, 2026 · 1mo ago
St. Louis, MO
In office
Full-time
Senior
$98K–$132K
5+ years exp
Job description
Type of Requisition:
Regular
Clearance Level Must Currently Possess:
Top Secret/SCI
Clearance Level Must Be Able to Obtain:
Top Secret SCI + Polygraph
Public Trust/Other Required:
None
Job Family:
IT Infrastructure and Operations
Job Qualifications:
Skills:
Microsoft Windows, Software Support, Virtual Desktop Infrastructure (VDI) Certifications:
None Experience:
5 + years of related experience US Citizenship Required:
Yes
Job Description:
Transform technology into opportunity as a Systems Administrator Advisor 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 Advisor 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.
HOW A SYSTEMS ADMINISTRATOR ADVISOR WILL MAKE AN IMPACT
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 develops technical solutions for the management for software, hardware, configurations, and architecture. Provides interpretation to Systems matters that are moderately complex in nature.
Provide troubleshooting support for systems hardware and software issues that are highly complex.
Performs advance software installations and upgrades to operating systems and layered software packages.
Applies advanced knowledge in monitoring and tuning the system to achieve optimum performance levels.
Provides guidance to less experienced personnel on workstation/server data integrity matters and the implantation of standard software and hardware solutions.
Leads complex data/media recoverability following a schedule of system backups and database archive operations.
Evaluates and assesses existing systems and plans long term strategies.
Configure and maintain networked computer system, including hardware, system software, and applications
Conducts advanced to complex hardware and software audits of workstations and servers to ensure compliance with established standards, policies and configurations guidelines.
Recognized subject matter expert in job area typically through advanced education and work experience. Established operational plans. Manages 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 training 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)
May require after hour support or weekend support for mission, program and special project support
WHAT YOU LL NEED TO SUCCEED:
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, KVM’s, 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; Win11 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
Education/Experience Requirement:
BA/BS (or equivalent experience)
5 years of experience
Certifications:
Security or CASP
ITIL v4 Foundations
Location: Customer Site
US Citizenship Required
The likely salary range for this position is $97,968 - $132,250. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.
Scheduled Weekly Hours:
40
Travel Required:
None
T elecommuting Options:
Onsite
Work Location:
USA MO St. Louis
Additional Work Locations:
Total Rewards at GDIT:
Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.
Our Identity Verification Process:
As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes.
About Our Work:
We are GDIT. A global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50+ countries worldwide, offering leading mission-ready capabilities in AI, cloud, cyber and software development.
Join our Talent Community to stay up to date on our career opportunities and events at gdit.com/tc .
Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans
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Benefits
Benefits detected in the listing.
Dental
Vision
401(K)
Paid Time Off