At CACI, we specialize in providing innovative and secure IT solutions to our clients in the defense and national security sectors. Our mission is to support critical infrastructure with the highest standards of service and reliability. We're looking for a skilled System Administrator to join our team and help maintain, troubleshoot, and optimize a wide variety of IT systems. We are seeking a qualified System Administrator to provide support for the implementation, troubleshooting, and maintenance of IT systems across client/server, storage, network devices, mobile devices, and more. In this role, you will manage the day-to-day operations of IT systems, provide tiered support (from Help Desk to Escalation), and ensure the smooth running of critical infrastructure.