Linux Administrator

CACI International; Stuttgart; Vor Ort; EUR 71.000 - 149.000; Vollzeit

Zusammenfassung

CACI International seeks a Linux Administrator to lead enterprise Linux environments, drive automation, and advance container orchestration. You will work with DevOps to implement CI/CD pipelines and IaC, while leveraging AI tools to streamline operations.

Required are 5+ years in Linux administration, active security clearance, and strong scripting with Python/Bash. This role includes on-call duties and travel up to 10% in a dynamic tech environment.

Qualifikationen

• 5+ years of hands-on Enterprise Linux Administration experience in mission-critical environments.
• Active Secret clearance with ability to obtain and maintain TS/SCI.
• US Citizenship required.
• Experience writing and deploying Ansible playbooks at scale.
• Experience deploying containerized applications with Docker and Kubernetes.
• Proficiency in Python and Bash for automation.
• Experience with Git-based workflows (GitHub/GitLab).
• CI/CD pipelines using Azure DevOps, GitHub Actions, or Ansible Workflows.
• IaC using Terraform/OpenTofu/CloudFormation.
• Experience integrating AI tools for automation and diagnostics.

Aufgaben

• Manage and maintain high-availability Enterprise Linux servers in prod and non-prod.
• Develop, test, and maintain Ansible playbooks and automation workflows.
• Deploy and troubleshoot containerized workloads with Docker and Kubernetes.
• Build and maintain CI/CD pipelines (GitHub Actions, Azure DevOps, AWX).
• Create modular IaC templates to provision reproducible system architectures.
• Develop Python/Bash automation for monitoring, diagnostics, and operations.
• Integrate Agentic AI tools to automate Linux admin tasks and incident resolution.
• Ensure security hardening (CIS, SELinux, RBAC) and patch management.
• Participate in on-call rotation, performance tuning, and disaster recovery drills.

Kenntnisse

Linux administration

Ansible automation

Python scripting

Git workflows

CI/CD pipelines

Docker/Kubernetes

Infrastructure as Code

Agentic AI tooling

Tools

Docker

Kubernetes

Ansible

GitHub/GitLab

Azure DevOps

AWX/OpenShift

Terraform/OpenTofu/CloudFormation

Jobbeschreibung

Job Title: Linux Administrator

Job Category: Information Technology

Time Type: Full time

Minimum Clearance Required to Start: Secret

Employee Type: Regular-Long Term Assignment

Percentage of Travel Required: Up to 10%

Type of Travel: Local

* * *

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 for
• configuration management and patch automation.
• Deploy, manage, and troubleshoot containerized workloads using Docker and Kubernetes orchestration
• platforms.
• 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.
• Maintain version control hygiene and code collaboration workflows using Git and GitHub (branching
• 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, 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:

$82,700 - 173,900 USD

CACI is anEqualOpportunity 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 otherprotectedcharacteristic.