| Location | MD |
Responsibilities: of the System Administrator: • Administer Oracle Linux 8, 9, and 10 systems, including installation, configuration, patching, monitoring, maintenance, and troubleshooting. • Manage and support unclassified user virtual machines within Oracle Linux Virtualization Manager (OLVM). • Maintain Oracle ZFS Storage Appliance shared storage environments supporting classified and unclassified systems. • Support FreeIPA identity management and DNS services within enterprise environments. • Configure, troubleshoot, and maintain network connectivity in coordination with network engineering teams. • Administer and support Cisco IOS-XE devices and related network infrastructure. • Assess Common Vulnerabilities and Exposures (CVEs), track remediation efforts, and support IAVM compliance activities. • Document system configurations, operational procedures, maintenance activities, incidents, and infrastructure changes. • Maintain reliable uptime and operational performance across virtualization, storage, identity, and network services. • Develop, modify, and maintain automation and administrative scripts to improve operational efficiency and consistency. Qualifications: of the System Administrator: • Minimum of 5 years of experience as a System Administrator supporting enterprise infrastructure environments. • Hands-on experience administering and troubleshooting Linux-based operating systems and infrastructure. • Experience supporting Oracle Linux environments or comparable enterprise Linux distributions. • Strong virtualization experience with OLVM, oVirt, Proxmox, VMware, or similar platforms. • Experience supporting enterprise storage solutions such as Oracle ZFS, NetApp, Dell EMC, or similar technologies. • Intermediate knowledge and hands-on experience with Cisco network administration and Cisco IOS-XE platforms. • Strong understanding of CVE remediation processes and IAVM management requirements. • Advanced scripting experience with the ability to modify existing scripts and develop new automation solutions. • Experience supporting identity management services such as FreeIPA, LDAP, or similar platforms. • Active CompTIA Security+ certification required. • Active TS/SCI with Full Scope Polygraph (FSP) clearance required. • Strong troubleshooting, organizational, documentation, and communication skills.