System Administrator

System Administrator

Job Category: Information Technology

Time Type: Full time

Minimum Clearance Required to Start: TS/SCI with Polygraph

Employee Type: Regular

Percentage of Travel Required: None

Type of Travel: None

Anticipated Posting End: 12/15/2025

The Opportunity

CACI is seeking a results-driven System Administrator to join the PGMM team-a program enabling planning, scheduling, and real-time situational awareness across a global user base. The team of 30+ professionals is distributed between Chantilly, VA, and Denver, CO, operating within an Agile SAFe framework across three development teams.

Key Responsibilities:

• System Maintenance and Support:
  
  • Ensure the availability, performance, and security of the PGMM system.
  • Monitor system health, perform regular backups, and address issues promptly to minimize downtime.
• Agile Team Collaboration:
  
  • Work within a team of 30+ engineers supporting the full software development lifecycle.
  • Participate in weekly meetings, sprint planning, stand-ups, and retrospectives.
• External Integration:
  
  • Collaborate with external development teams to integrate with external systems.
  • Facilitate API management and ensure smooth data flow between systems.
• Technology Management:
  
  • Administer and manage core technologies including Grafana, Loki, Prometheus, Helm, Harbor, Terraform, Kubernetes, GitLab, Confluence, Jira, AWS, and Linux.
  • Implement and maintain best practices for system administration and software engineering.
  • Stay current with emerging technologies and trends.
• Documentation and Reporting:
  
  • Maintain accurate documentation of system configurations, procedures, and changes.
  • Provide regular reports on system performance, issues, and improvements.
  • Create and maintain user guides and troubleshooting documentation.
• Security Compliance:
  
  • Ensure all systems comply with security standards and regulations.
  • Implement and maintain security measures to protect sensitive data and systems.
  • Conduct regular security audits and vulnerability assessments.
• User Support and Training:
  
  • Provide Tier 2 and Tier 3 support to end-users, resolving technical issues and queries.
  • Develop and deliver training sessions for users on system functionalities and best practices.
  • Create and maintain knowledge base articles for common issues and solutions.
• Project Management:
  
  • Assist in planning and executing system upgrades and maintenance projects.
  • Coordinate with project managers to ensure timely delivery of system enhancements and updates.
  • Manage change requests and ensure proper documentation and communication.

Qualifications:

• Required:
  
  • 5+ years of experience in systems administration or software engineering.
  • CompTIA Security+ certification.
• Desired:
  
  • Certification related to systems administration (e.g., RHCE, Microsoft Certified: Azure Administrator Associate).
  • Proficient with core technologies mentioned above.
  • Experience with Agile methodologies and SAFe.

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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.

Your potential is limitless. So is ours.

Learn more about CACI here.

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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. Learn more here .

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:
$75,200-$158,100

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.