Senior Linux System Administrator

Job Description Key Responsibilities \n \n System Administration & Maintenance: Administer, configure, troubleshoot, and maintain production and non-production RHEL and Ubuntu Server VMs and physical servers. \n Security Hardening & Compliance: Maintain CIS-aligned hardening on Ubuntu systems, working within the agency's existing security stack, including Azure-native tooling such as Defender for Cloud and Azure Policy. Support compliance reporting and remediation using this stack. \n Patching …