CACI
Systems Administrator (Senior)
Nationwide
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hirly's read of this role
- Role family
- Customer support
- Seniority
- Senior
- Country
- US
- Work mode
- On-site / unstated
- First seen by hirly
- 17 Oct 2026
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the posting
Job Title: Systems Administrator (Senior)
Job Category: Information Technology
Time Type: Full time
Minimum Clearance Required to Start: Secret
Employee Type: Regular
Percentage of Travel Required: Up to 10%
Type of Travel: Local
* * *
The Opportunity:
CACI is seeking a Senior Systems Administrator for the Global Mission Operations Support (GMOS) contract, supporting the Department of State. This role offers a unique opportunity to enhance national security through advanced IT solutions. You will collaborate with experienced professionals in an innovative environment, guiding a high-performing team to deliver excellence. The GMOS contract aims to provide world-class IT support by modernizing and maintaining applications and infrastructure using an integrated IT Service Management approach. Join us to make a meaningful impact on a program of national importance.
Responsibilities:
Coordinate Total Ticket Ownership (TTO) activities across DT/EA/CST by performing and coordinating root cause analysis for all tickets under full management and facilitating root cause analysis efforts across technical teams
Provide dedicated desktop support for all DT/EA/CST users, including complex troubleshooting, managing Government-Furnished Equipment (GFE), offering limited support for mobile devices, and contributing to self-help and knowledge management resources
Manage infrastructure operations including card printer support for domestic locations, domestic consular office systems administration, and web services administration-infrastructure supporting CA global mission
Provide Tier II and Tier III application support including installation/deployment of applications and collaboration platform support across enterprise environments
Perform network operations activities ensuring reliable network connectivity and availability for CA enterprise
Coordinate root cause analysis for high or critical incidents and recurring medium-priority incidents, creating and tracking Problem Management Investigation tickets to resolution and performing trend analysis
Review, recommend, and revise Sets of Classifications for incident categorization and resolution tracking, with Government participation and approval
Initiate, document, log, and track change requests related to IT services, systems, and infrastructure in the Ticket Management System, following established approval workflows
Lead technical initiatives across desktop, infrastructure, application, and network domains, mentoring junior administrators and ensuring adherence to best practices
Function as a technical expert across multiple project assignments, planning and leading major technical assignments while supervising systems administration staff
Qualifications:
Required –
Bachelor's degree + 8 years of experience in related fields, such as systems administration, infrastructure management, IT operations, desktop support, or network administration; equivalencies considered.
Active Secret Clearance
Proven experience with IT Service Management (ITSM) tools and methodologies, including Total Ticket Ownership (TTO) and problem management
Demonstrated expertise in desktop support, infrastructure operations, application deployment, and network administration
Strong knowledge of root cause analysis, change management processes, and incident categorization
Excellent leadership abilities with proven experience planning and leading technical operations, functioning as a subject matter expert, and supervising systems administration teams
Desired –
Prior experience supporting federal agencies, especially the Department of State
Professional certifications such as ITIL Expert, Microsoft Certified: Windows Server Hybrid Administrator, CompTIA Network+, or similar technical certifications
Experience with collaboration platforms, Government-Furnished Equipment (GFE) management, and multi-domain IT support
Knowledge of Ticket Management Systems, knowledge base development, and experience supporting geographically distributed user communities
This position is contingent on funding and may not be filled immediately. However, this position is representative of positions within CACI that are consistently available. Individuals who apply may also be considered for other positions at CACI.
What You Can Expect:
A culture of integrity.
At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.
An environment of trust.
CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.
A focus on continuous growth.
Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy.
Pay Range :
There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.
Since this position can be worked in more than one location, the range shown is the national average for the position.
The proposed salary range for this position is:
$90,300-$189,600
CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.
Listed on hirly, a job board. hirly is not the employer: CACI is hiring for this role.
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