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02 CACI, INC.-FEDERAL
From company careers site

Systems Administrator (Senior)

Location
Nationwide
Work mode
On-site
Employment type
Full-time

About the job

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.

From 02 CACI, INC.-FEDERAL's careers page (Workday), checked 30 Oct 2026.

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Posted 16 Oct 2026 · checked 30 Oct 2026 · Report this job

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