Linux Systems Administrator

Configure, deploy, and maintain Linux server environments for mission-critical USCENTCOM infrastructure, supporting thousands of users and endpoints. Administer Red Hat and CentOS systems, manage core services (Apache, Nginx, DNS, DHCP, LDAP), and ensure performance, availability, and security compliance. Troubleshoot complex issues, apply patches and hardening, manage SSL/TLS certificates, and collaborate with infrastructure, network, storage, and security teams while producing technical documentation and reports.