Systems Administrator Senior
GDIT· enterprise· Defense IT· Sep 29, 2026 · 29d ago
Macdill Afb, FL
In office
Full-time
Senior
$94K–$127K
3+ years exp
Job description
Type of Requisition:
Regular
Clearance Level Must Currently Possess:
Secret
Clearance Level Must Be Able to Obtain:
Top Secret/SCI
Public Trust/Other Required:
None
Job Family:
IT Infrastructure and Operations
Job Qualifications:
Skills:
Administration Management, Infrastructure Management (IM), Life Cycle Management Certifications:
None Experience:
3 + years of related experience US Citizenship Required:
Yes
Job Description:
MEANINGFUL WORK AND PERSONAL IMPACT
Transform technology into opportunity as a Systems Administrator Senior 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 differentiators. As a Systems Administrator Senior you will help ensure today is safe and tomorrow is smarter. Our work depends on Systems Administrator Senior joining our team to maintain and support Windows servers, ensuring their security, availability, and performance. This role involves regular patching, troubleshooting, and collaborating with other IT teams to implement infrastructure solutions that align with command requirements.
HOW A SYSTEMS ADMINISTRATOR SENIOR WILL MAKE AN IMPACT
Troubleshoot issues within Windows Server 2019/2022 Operating Systems.
Perform regular maintenance tasks including patching and remediation.
Manage certificate lifecycle management processes for web servers and secure communication channels.
Collaborate with IT teams to design and implement infrastructure solutions.
Ensure compliance with security policies, regulations, and best practices.
Build, deploy, and maintain server applications and proprietary software.
Install critical system patches and perform system upgrades.
Interact with end-users to understand and evaluate functional requirements.
Interface with third-party vendors for troubleshooting and support.
Maintain system documentation and prepare process guides.
Support projects to enhance operational efficiency and security.
Track and escalate problems at the appropriate priority level.
Produce management reports and informational packets to support process improvements
WHAT YOU’LL NEED TO SUCCEED:
Education: Applicable DoD 8140 or DoD 8570 CertificationRequired
Experience: 3 years of related experience
Security Clearance Level: Secret with ability to obtain TS/SCI upon hiring
US Citizenship Required
Required Skills and Abilities :
Experience in systems administration and infrastructure management.
Understanding of Certificate Lifecycle Management.
Ability to prepare comprehensive documentation for systems administration tasks.
Preferred Skills:
Experience with USCENTCOM and familiarity with its mission.
Experience working in cross-functional IT teams and projects.
Knowledge of scripting languages (e.g., PowerShell) for automation tasks.
Location :
On site at MacDill AFB in Tampa, FL
GDIT IS YOUR PLACE:
401K with company matchComprehensive health and wellness packagesInternal mobility team dedicated to helping you own your careerProfessional growth opportunities including paid education and certificationsCutting-edge technology you can learn fromRest and recharge with paid vacation and holidays
#gditpriority
#armajobs
#uscentcomcits
The likely salary range for this position is $93,500 - $126,500. 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:
Less than 10%
T elecommuting Options:
Onsite
Work Location:
USA FL MacDill AFB
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
401k
401(K)
Paid Time Off
Wellness