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CACI

System Administrator

Washington, DC, United States
Washington, United States

$72,700 - $149,200 · Full-time

Apply on searchcareers.caci.com About employer

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Job details

Pay: $72,700 - $149,200
Job type: Full-time
Apply by: May 11, 2027
Posting language: English
Posted: Nov 12, 2026

Original job description

Job Title: System Administrator

Job Category: Information Technology

Time Type: Full time

Minimum Clearance Required to Start: Top Secret

Employee Type: Regular

Percentage of Travel Required: None

Type of Travel: None

The Opportunity:

CACI is seeking a Mid to Senior-Level Systems Administrator to join our team supporting a critical Department of Justice agency in the National Capital Region. In this role, you will help manage and optimize a Linux and Windows-based cloud environment that supports both development and production applications.

This is an exciting opportunity to work alongside a collaborative, Agile team responsible for delivering and maintaining enterprise-level software solutions that support important mission objectives. You will play a key role in strengthening system performance, security, automation, and availability while helping drive modern infrastructure and cloud-based initiatives.

The ideal candidate is a proactive problem-solver with strong technical expertise, excellent communication skills, and a passion for building reliable and secure systems.

Responsibilities:

Administer, secure, and optimize Red Hat Enterprise Linux (RHEL) and Windows Server environments across development and production systems.
Design and implement infrastructure solutions that improve system performance, reliability, scalability, and security.
Configure and support enterprise services, including email, DNS, and Single Sign-On (SSO) technologies.
Architect and maintain enterprise data, application, and information environments.
Develop and enhance automation solutions using Python and other scripting languages to support deployment, monitoring, and maintenance activities.
Deploy, configure, and support both open-source and custom applications, including Drupal, React, and Node.js environments.
Build and maintain CI/CD pipelines using Jenkins and other DevOps tools.
Perform system patching, upgrades, and vulnerability remediation across multiple environments.
Monitor system health, diagnose issues, and resolve incidents reported through automated monitoring tools and service desk platforms.
Collaborate with developers, engineers, and stakeholders in an Agile environment to deliver secure, high-quality solutions.

Qualifications:

Required:

Active Top Secret (TS) security clearance.
Bachelor's degree in Information Technology, Computer Science, Engineering, or a related field.
5+ years of experience administering Windows Server environments, including networking and systems administration.
5+ years of experience supporting Red Hat Enterprise Linux (RHEL), including system maintenance, patching, and performance tuning.
Experience using version control systems in a collaborative development environment, preferably GitLab.
2+ years of experience working with Amazon Web Services (AWS).
Strong understanding of the Software Development Lifecycle (SDLC) and experience working within Agile or iterative development environments.
Experience with identity and access management technologies, including Active Directory, ADFS, Kerberos, and SAML.
Ability to work onsite in the Washington, DC area four or more days per week.
AWS Certified Solutions Architect – Associate certification.
Strong written and verbal communication skills.

Desired:

Advanced experience administering Red Hat Enterprise Linux (RHEL) environments.
Intermediate-level experience with GitLab and CI/CD workflows.
Intermediate-level experience administering Microsoft Windows Server environments.
Intermediate-level experience with Active Directory and identity management services.
Experience developing and maintaining shell scripts and automation solutions.
Experience supporting DevOps practices, infrastructure automation, and cloud-native environments.

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:

$72,700 - $149,200

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.

Apply on searchcareers.caci.com About employer

More about this job

Skills

Linux
Microsoft Windows
Red Hat Enterprise Linux
Microsoft Windows Server
DNS
Python
Drupal
React
Node.js
CI/CD
Jenkins
DevOps
Computer technology
Computer science
System administration
Control systems
GitLab
AWS
Software development
Agile
Iterative development
Identity and access management
Microsoft Active Directory
SAML
AWS certification
Communication skills

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Jobs in the United States