CA
CACIInfrastructure/System Administrator
Read straight from CACI's careers page, verified 14m ago.Seekless can tailor your résumé to it.
Seekless can write your résumé for this posting first.
Before you apply
Salary$73k – $149k
LocationSterling, VA, US
Work modeon-site
Typefull-time
SeniorityMid
Experience3+ yrs
DepartmentInformation Technology
Company size10,000+ people
PostedOct 26, 2026 · 1w ago
Verified live14m ago
At a glanceSummarised by Seekless from the posting.
Active TS/SCI security clearance (Willing and able to obtain a polygraph)
Bachelor’s degree in information technology, a relevant field or equivalent experience
Minimum of 3 years' experience as an IT system administrator, or related experience
Demonstrated proficiency as a Linux system administrator
Strong scripting and coding skills, particularly in Python, or similar languages
Expertise in operational support and system maintenance
Knowledge in Kubernetes container orchestration and Ansible automation
Experience with automation and virtualization technologies (e.g., VMware, virtual networking)
Skills
Python
Linux
AWS
Kubernetes
Ansible
VMware
Benefits
Healthcare
Wellness
Financial
Retirement
Family support
Continuing education
Time off
Job Title: Infrastructure/System AdministratorJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCIEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: Local* * *
The Opportunity:
Are you ready to shape the future of intelligence systems? CACI is seeking a talented Infrastructure/System Administrator to join our team in Sterling, VA. In this role, you’ll design cutting-edge system architectures for new and existing computer systems, coordinating all aspects of development including design, modeling, security, integration, and testing. Your expertise will be crucial in achieving project milestones and developing innovative solutions to complex engineering challenges. Join us at CACI and be part of a team that’s pushing the boundaries of technology in support of our nation’s intelligence capabilities.
Responsibilities:
•
Support designing, securing, and maintaining the cloud and hybrid/cloud computing environments that power our software development lifecycle.
•
Act as a critical bridge between system operations and development teams, managing a robust infrastructure that spans AWS cloud services and on-premises data centers.
•
Help build highly available, scalable, and automated environments, ensuring developers have the secure access, CI/CD tools, and computing resources they need to build, test, and deploy code efficiently.
•
Implement systems design, development, and integration throughout the entire system life cycle.
•
Support moderately complex infrastructure, including installing, configuring, testing, and maintaining operating systems, application software, and system management tools.
•
Implement and maintain robust security measures, including backup and redundancy strategies.
•
Prepare documentation for processes and procedures related to engineering projects.
Qualifications:
Required:
•
Active TS/SCI security clearance (Willing and able to obtain a polygraph)
•
Bachelor’s degree in information technology, a relevant field or equivalent experience
•
Minimum of 3 years’ experience as an IT system administrator, or related experience.
•
Demonstrated proficiency as a Linux system administrator.
•
Strong scripting and coding skills, particularly in Python, or similar languages.
Nice to have
Desired:
•
Expertise in operational support and system maintenance.
•
Knowledge in Kubernetes container orchestration and Ansible automation.
•
Experience with automation and virtualization technologies (e.g., VMware, virtual networking)
•
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.
Benefits
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:
$72,700 - $149,200
Legal
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.