Linux Administrator

The Opportunity:

Join a high-impact infrastructure engineering team responsible for architecting securing and maintaining enterprise-scale Linux environments. Lead modern automation and Infrastructure as Code (IaC) initiatives. Drive adoption of modern container orchestration and next-generation Agentic AI tooling to streamline
sysadmin workflows and proactive operations. Collaborate closely with development and DevOps teams to establish robust CI/CD deployment pipelines and automated platform management. Opportunity for continuous professional growth within a collaborative forward-thinking technology organization.

Responsibilities:

• Manage configure and maintain high-availability Enterprise Linux servers across production and non-production environments.
• Design write test and maintain robust Ansible playbooks roles and automated workflows forconfiguration management and patch automation.
• Deploy manage and troubleshoot containerized workloads using Docker and Kubernetes orchestrationplatforms.
• Develop Python and Bash automation scripts for monitoring incident triage system diagnostics andoperational task execution.
• Maintain version control hygiene and code collaboration workflows using Git and GitHub (branchingstrategies PR reviews automation).
• Build optimize and maintain CI/CD automation pipelines using GitHub Actions Azure DevOps and
• Ansible Automation Platform / AWX.
• Author modular Infrastructure as Code (IaC) templates and automation scripts to provision reproducible system architecture.
• Develop Python and Bash automation scripts for monitoring incident triage system diagnostics and operational task execution.
• Leverage and integrate Agentic AI assistants and LLM-driven tooling to automate Linux administrative tasks log analysis and incident resolution strategies PR reviews automation.
• Implement strict security hardening standards (CIS benchmarks SELinux RBAC) patch management and vulnerability remediation.
• Participate in on-call rotation performance tuning capacity planning and comprehensive disaster recovery drills.

Qualifications:

Required:

• Currently hold an Active Secret clearance with the ability to obtain and maintain a TS/SCI.
• Currently a US Citizen
• 5 years of hands-on Enterprise Linux Administration experience (RHEL CentOS Rocky Linux Ubuntu Server) in mission-critical environments.
• Extensive experience writing testing and deploying Ansible playbooks roles and inventory structures at scale.
• Proven experience deploying and managing containerized applications with Docker and container orchestration platforms (Kubernetes / OpenShift).
• Strong programming/scripting proficiency with Python and Bash for infrastructure automation and systems tooling.
• Solid experience with Git-based version control workflows and repository management (GitHub GitLab).
• Hands-on experience building and executing CI/CD pipelines in Azure DevOps GitHub Actions or Ansible Workflows.
• Demonstrated experience defining and deploying Infrastructure as Code (IaC) using tools like Terraform OpenTofu or CloudFormation.
• Practical experience integrating Agentic AI tools / autonomous AI workflows to accelerate Linux administration diagnostics and script generation.

Desired:

• Industry certifications such as Red Hat Certified Engineer (RHCE) Certified Kubernetes Administrator
• (CKA) or Azure DevOps Engineer Expert.
• Experience integrating AI agents with enterprise APIs MCP (Model Context Protocol) or operational
• chatops platforms.
• Familiarity with centralized observability and logging stacks (Prometheus Grafana OpenTelemetry
• ELK/OpenSearch).
• Solid understanding of enterprise networking protocols load balancers DNS SSL/TLS certificate
• lifecycle management and firewall configuration.

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 youll be part of a high-performing group dedicated to our customers 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. Youll 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 nations 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: