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# System Administrator

- **Company:** AZUSA SOLUTIONS LLC
- **Location:** Annapolis Junction, MD, United States (Remote available)
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Proxmox, Cisco IOS, CompTIA Security+, Computer Networks, Linux, Domain Name System (DNS), Linux Servers, Network Configuration and Change Management, NetApp Applications, Network Architecture, Network Connections, Oracle (Applications), Oracle Linux, Virtual Machines, Virtualization Technology, ZFS File System, Cisco, Vmware
- **Published:** October 22, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9253123/system-administrator

## About the Role

* Minimum of 5 years as a System Administrator.
 * Hands-on experience administering Linux systems and troubleshooting infrastructure issues.
 * Ability to maintain reliable services across virtualization, storage, identity, and network components.
 * Intermediate knowledge and hands-on experience with Cisco network administration.
 * Advanced scripting skills, including the ability to modify existing scripts and develop new scripts.
 * Clear documentation and communication skills.
 * Active CompTIA Security+ certification, * Strong knowledge of CVEs and IAVM management.
 * Network configuration experience, including Cisco IOS-XE.
 * Experience with ZFS or comparable storage appliances, such as NetApp or Dell EMC.
 * Strong virtualization experience with OLVM, oVirt, Proxmox, VMware, or similar platforms.

## Description

The System Administrator will operate and maintain internal and customer environments including: Linux servers, virtual machines, shared storage, identity services, and network infrastructure. This role supports unclassified user VMs and shared storage environments, including classified and unclassified systems, * Administer Oracle Linux 8, 9, and 10 systems, including installation, configuration, patching, monitoring, and troubleshooting.

 * Manage unclassified user VMs in Oracle Linux Virtualization Manager (OLVM).
 * Maintain Oracle ZFS Storage Appliance (ZS11-2) shared storage for TS and unclassified environments.
 * Support FreeIPA identity and DNS services for the unclassified environment.
 * Configure and troubleshoot network connectivity and Cisco IOS-XE devices in coordination with network teams.
 * Assess Common Vulnerabilities and Exposures (CVEs), track remediation, and support IAVM management.
 * Document configurations, maintenance procedures, incidents, and system changes.
 * Ownership of the networks to ensure limited (<99%) down time for the users.