Systems Administrator
Caci, Inc. - Federal
Fort Belvoir, VA · Posted September 23, 2026
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Where Fort Belvoir, VA ranks
Where Fort Belvoir, VA placed in our monthly rankings, month by month. Each month stays online at its own address.
November 2026
- #9Best cities for pay after cost of living in Virginia$134k · of 15
- #10Best cities for mid-career professionals in the Southeast62% · of 87
- #12Best cities for mid-career professionals in the Mid-Atlantic62% · of 85
- #15Best cities for pay after cost of living in the Southeast$134k · of 33
- #16Best cities for junior jobs in Virginia29% · of 26
- #18Cities with the most hybrid jobs in the Southeast11% · of 84
Rankings about engineering jobs
- Best cities for software and engineering jobs #1 San Francisco (3,412 openings)
- Best cities for engineering pay after cost of living #1 San Mateo ($216k)
- Most requested AI skills in engineering jobs #1 AI tools in daily work (6.1%)
- AI tools named most often in engineering jobs #1 Claude (1.7%)
- Employers with the most engineering jobs #1 Amazon (2,992 roles)
Pay compared with the market
This listing does not state pay. Across 35 open systems administrator listings that state pay, the middle half runs $100,500 to $130,000 and the median is $113,500.
Listed pay is what employers advertise, not what people are paid.
Systems Administrator salaries by state · Check your own pay
How AI is used in this kind of work
Among database administrators, AI is already used for a large share of the tasks. Measured exposure for database administrators: 33% (high).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
Caci, Inc. - Federal has filed one layoff notice in the last twelve months, covering 75 workers, most recently June 2026. These are public filings with state labor departments, and an open role can sit alongside them. See the filings
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About the job
Job Title: Systems Administrator
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: We are seeking a highly capable IT Infrastructure professional to join our team supporting a mission-critical customer program. This is an opportunity to work in a dynamic environment where reliable, secure, and resilient infrastructure is essential to the success of the mission.
You will administer, configure, and manage servers, storage systems, virtualization platforms, and network infrastructure to ensure appropriate function of hardware, software, and system specifications. You will play an important role in ensuring the availability, performance, security, and integrity of the infrastructure supporting the customer’s mission.
This role is well suited for someone who wants to take ownership of critical infrastructure, work alongside experienced technical teams, and contribute directly to a mission where technical excellence, reliability, and security matter every day.
Responsibilities: Infrastructure Administration & Support:
Administer and manage IT infrastructure including servers, storage systems, virtual platforms, and network connectivity
Analyze, troubleshoot, and resolve issues with IT hardware and software infrastructure using systems analysis techniques and procedures Provide system administration for assigned infrastructure and establish and maintain security as it relates to users
Apply security patches and operating system upgrades to ensure the security and integrity of the technical environment
Configuration & Deployment:
Configure and deploy Windows and Linux-based servers, workstations, and supporting infrastructure
Implement and maintain virtualization platforms for various applications and services
Establish and maintain system configurations to meet technical and business requirements
Security & Compliance:
Work closely with the cybersecurity team to maintain seamless system operations while adhering to security protocols
Implement security controls and access management for user systems and infrastructure
Ensure compliance with established security standards and procedures
Infrastructure Projects & Documentation:
Support new infrastructure projects from planning through implementation
Maintain all configuration documentation for assigned infrastructure
Develop standard operating procedures, system configuration guides, and technical documentation
Establish operational plans for technical areas and implement best practices
Problem Resolution & Analysis:
Diagnose complex problems spanning servers, operating systems, storage, networking, and hardware
Use systems analysis techniques to ensure appropriate function of system specifications
Provide on-site and remote technical support to resolve infrastructure issues
Coordinate with various teams to resolve technical and operational challenges
Stakeholder Communication:
Present system capabilities and infrastructure solutions to technical and business stakeholders
Communicate with executive leadership on matters of technical importance
Provide feedback to improve infrastructure functionality and efficiency
Qualifications:
Required:
Active Secret Clearance
Bachelor's degree in Computer Science, Information Technology, or a related field
5+ years of relevant experience in systems administration, infrastructure management, network administration , or a related technical discipline
Strong problem-solving skills to troubleshoot infrastructure hardware and software issues
Demonstrated experience supporting U.S. military, DoD, Intelligence Community, or other government customers
Strong customer-facing communication and presentation skills
Extensive Linux and Windows server/workstation administration and troubleshooting experience
Knowledge of storage systems, backup solutions, and disaster recovery procedures
Ability to work independently with minimal supervision
Ability and willingness to travel to customer
Desired:
Experience developing standard operating procedures, system configuration guides, and technical documentation.
Experience establishing operational plans for technical areas and implementing best practices.
Experience diagnosing complex problems spanning servers, operating systems, storage, networking, and hardware.
Experience presenting system capabilities and infrastructure solutions to technical and business stakeholders.
Experience coordinating with various teams to resolve technical and operational challenges.
Experience with Linux and Windows server/workstation administration and troubleshooting experience
Knowledge of virtualization technologies (VMware, Hyper-V, or similar platforms)
Strong understanding of TCP/IP networking, routing, switching, firewalls, and network services
Experience with security patch management, system hardening, and security compliance
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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.
The proposed salary range for this position is: $86,600 - $181,800
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.