Senior System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular-Long Term Assignment Percentage of Travel Required: Up to 10% Type of Travel: Local * * * 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, 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, NXLog/SYSLog, 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 scripting, 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 software. 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 efforts. 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 and server applications. The SA will be responsible for system administrator functions supporting a global Active Directory infrastructure in a mixed platform environment. The SA will provide senior level knowledge and Tier 1/2/3 support to the customer and their components to include Tier 1/2/3 infrastructure troubleshooting and support that involves the configuration and administration of servers in their area of operation. Additionally, the SA will provide remote support and/or travel to customer servers and sites as required. The ideal candidate will have experience maintaining and supporting network devices consisting of primarily Cisco routers and switches. Using this knowledge, the system administrator will be successful in providing necessary administration and maintenance support of this system. **You'll Bring These Qualifications:** Able to hold an adjudicated TS/SCI clerance. BA/BS + 3 years recent specialized or AA/AS +7 years recent specialized or a major cert + 7 years recent specialized or 11 years of recent specialized experience RedHat Certified Solutions Associate or greater, Linux+, LPIC (1,2, or 3), or comparable computer certification. CompTIA Security + (IAT Level II or greater) These Qualifications Would be Nice to Have: ITIL v3 - Foundation Automation using Microsoft PowerShell, VBScript, or batch files Experience with Microsoft SCCM Experience working in VmWare ESXi environments. Experience with network storage (SAN/NAS). Experience with enterprise backup solutions. Adaptable to changing circumstances and operational needs. Understanding of Department of Defense Military standards. Experience working with and supporting Cisco Routers and Switches - ______________________________________________________________________________ **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 takes pride in fostering a diverse and accessible culture where every individual feels supported to chart their own path. 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. (https://careers.caci.com/global/en/life-at-caci) ______________________________________________________________________________ **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 (https://careers.caci.com/global/en/employee-benefits) . The proposed salary range for this position is: $75,200 - 158,100 USD _CACI is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, age, national origin, disability, status as a protected veteran, or any other protected characteristic._