Linux Systems Administrator

Are you interested in continuing your career in Europe in a mission focused environment? CACI has established and upcoming positions throughout the European theater supporting multiple customers for the Department of Defense. We are looking for experienced, innovative and motivated IT Specialists to support enablement US EUCOM's mission objectives. Be part of a team driving innovation through automation and modernization.

What You'll Get to Do:

CACI has an excellent opportunity for an experienced, self-directed, Linux Systems Administrator (SA). This position is in support of a Department of Defense (DoD) organization, US EUCOM located OCONUS in Stuttgart, Germany. This position is required to travel OCONUS.

As a Linux Systems Administrator, you will take ownership of configuring, optimizing, and maintaining our Red Hat Enterprise Linux (RHEL) and other Linux-based systems. Drawing on your 7-9 years of IT experience, you will troubleshoot, monitor, and secure Linux environments that support critical infrastructure for global military operations. Your responsibilities will include ensuring high availability, peak performance, and the overall integrity of these systems to meet the demands of mission-critical services.

Your day-to-day duties will include:

• Manage and monitor system resources to ensure optimal performance, including performing capacity planning and implementing best practices for system optimization.

• Administer Linux-based systems by handling tasks such as installation, configuration, patching, and security hardening, and adhering to DISA STIG requirements for system security.

• Support automation of system administration tasks using shell scripting or tools like Ansible, GitLab, AWX/AAP, PowerShell, and participate in the development of CI/CD pipelines for future automation efforts.

• Collaborate with cross-functional teams, providing limited support for Windows and networking systems when necessary.

• Contribute to incident resolution by troubleshooting system issues in real time, delivering Tier 2/3 support for Linux-based systems and applications.

• Systems and tools you may work with include, but are not limited to: ServiceNow, RHEL, Ubuntu, NX Log/SYS Log, Red Hat Satellite, Content Delivery Nodes, AWX/Ansible Automation Platform, GitLab, Clevis & Tang, Apache, and Splunk.

• Hands-on experience with automation tools like Ansible, Bash scripti ng, or similar technologies.

• Familiarity with virtualization technologies (VMware, KVM) and containerization (Docker, Openshift , Kubernetes) is a plus.

• A solid understanding of networking fundamentals (TCP/IP, DNS, DHCP).

• Security awareness with experience implementing best practices to ensure system integrity and compliance.

• Strong troubleshooting and problem-solving skills, particularly in a Linux environment and working with the DOD.

• Ensures the security of business systems and applications, mitigating new vulnerabilities to meet the latest Cyber/IA requirements. Reviews and prepares documentation for systems, tests and installation of soft ware.

• Investigates and recommends methods and techniques for obtaining solutions.

• Administers systems/environment solutions for multiple projects with varying schedules. Interfaces with vendors for trouble calls. Supports the planning of system/environment requirements for individual projects. May provide work direction and guidance to others

More About the Role:

The successful candidate must be able to communicate clearly and succinctly both written and orally, and present products and ideas in a business-like manner. The candidate will be required to work in dynamic fast paced environments that require team interaction and coordination of eff orts. The candidate must be experienced in interfacing with both client managers and system users.

Specifically, Systems Administrators (SA) will be responsible for supporting systems and applications on a geographically dispersed Enterprise network with multiple types of servers.