Systems Administrator Senior – TS/SCI
Listed on 2026-08-29
-
IT/Tech
Systems Administrator, IT Support
Job Details
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:
Domain Management, Operating Systems (OS), Problem Resolution
Certifications:
None
Experience:
10 + years of related experience
US Citizenship
Required:
Yes
Job Title:
Systems Administrator Senior - TS/SCI
Job Description:
Advance how our customers operate while you advance your career. Join GDIT as a Systems Administrator Senior and build an impactful career in enterprise IT, collaborating with people who are driven and resourceful like you.
Meaningful Work and Personal Impact
As a Systems Administrator Senior, the work you’ll do at GDIT directly supports the mission of the U.S. Army Intelligence and Security Command (INSCOM).
Key Responsibilities- Perform and lead activities related to system administration.
- Manage domains, audit user permissions across platforms, and enforce compliance with regulations and policies.
- Develop disaster recovery strategies and provide technical support to users.
- Install, maintain, configure, and ensure the integrity of computer software and operating systems.
- Implement OS enhancements to improve reliability and performance.
- Administer desktop and server systems connected to local and wide-area networks, including account monitoring, security, OS installation, and related functions.
- Provide day-to-day support, monitoring, and problem resolution for client/server/storage/network devices and mobile devices.
- Deliver Tier 1 and Tier 2 troubleshooting, diagnosis, and resolution.
- Support status communications and escalations to agency management and customers.
- Manage UNIX and Windows operating systems, install/load OS and application software, and resolve hardware/software issues across systems and infrastructure components.
- Integrate new technologies into existing systems, including transition and migration of corporate systems.
Bring your technology expertise and drive for innovation to GDIT. The Systems Administrator Senior must have:
Preferred EducationBachelor’s degree
Preferred Experience12 years of experience
Technical Skills- Strong written and verbal communication skills and customer service orientation.
- Ability to multitask, prioritize, manage time effectively, and maintain attention to detail.
- Proficiency with Microsoft Office (Outlook, Word, Excel, Project, PowerPoint, Visio, SharePoint).
- Experience managing domains, auditing permissions, developing disaster recovery strategies, providing technical support, and ensuring policy compliance.
- Experience with Power Shell scripting.
TS/SCI Required
Certification(s)DoD 8570.01-M IAT Level II
Computing Environment (CE) Certification as determined by the Program Manager is required prior to support on contract IAT II 8570 Baseline Certification
-Sec+CE or equivalent. Desired Computing Environment Certification for Candidates to be considered:
Any Microsoft Server or Azure Certification is Plus.
- Candidates must be willing and able to attest a CI Polygraph for certain positions as determined by the contract.
- Position may require lifting of objects (i.e. IT Hardware), reaching/bending/kneeling (i.e. plug in cables) and other moderately strenuous activity.
- Travel may be required to support the mission.
GDIT IS YOUR PLACE:
At GDIT, the mission is our purpose, and our people are at the center of everything we do.
Growth: AI-powered career tool that identifies career steps and learning opportunities.
Support:
An internal mobility team focused on helping you achieve your career goals.
Rewards:
Comprehensive benefits and wellness packages, 401K with company match,and competitive pay and paid time off.
Community:
Award-winning culture of innovation and a military-friendly workplace.
Explore an enterprise IT career at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward.
#GDITINSCOM #I2TS4 #GDITArmy
SalaryThe likely salary range for this position is $102,000 -…
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