Linux Systems Administrator

Linux Systems Administrator supporting USCENTCOM with a large-scale enterprise Linux environment (5,000+ users, 1,000 servers, 10,000 endpoints). Responsible for configuring, maintaining, and securing Linux/server infrastructures, administering Red Hat/CentOS, managing services (Apache, Nginx, DNS, DHCP, LDAP), applying patches, and collaborating with infrastructure, network, storage, and security teams to ensure availability and compliance.