Systems Administrator administers and supports daily operational requirem• Linux Systems Administration: Install, configure, and maintain Linux servers (e.g., Red Hat, CentOS, Ubuntu) including operating system installation, patching, and security hardening.• Experience with security compliance frameworks (e.g., STIGs, NIST).• Experience with configuration management tools (e.g., Ansible, Puppet).• Experience with containerization technologies (e.g., Docker, Kubernetes).• Relevant certifications (e.g., Red Hat Certified Engineer (RHCE), CompTIA Linux+).