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# Linux Systems Administrator

- **Company:** Quevera LLC
- **Location:** Annapolis Junction, MD, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Proxmox, Cisco IOS, CompTIA Security+, Computer Networks, Linux, Document Management Systems, Domain Name System (DNS), Linux Servers, Network Configuration and Change Management, NetApp Applications, Network Architecture, Network Control, Network Connections, Oracle (Applications), Oracle Linux, Virtual Machines, Virtualization Technology, Software Vulnerability Management, ZFS File System, Cisco, Vmware
- **Published:** October 27, 2026
- **Apply:** https://www.thejobnetwork.com/job/a072b633-ce84-4e09-b98a-f59681503322/linux-systems-administrator

## About the Role

* Active TS/SCI clearance with Polygraph required.
 * Minimum of five (5) years of experience 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 modifying existing scripts and developing new scripts.
 * Clear documentation and communication skills.
 * Active CompTIA Security+ certification.

Desired Skills:

 * 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

Quevera is seeking a Linux Systems Administrator with an active TS/SCI clearance with Polygraph in Annapolis Junction, Maryland.

This role supports the operation and maintenance of Linux servers, virtual machines, shared storage, identity services, and network infrastructure across classified and unclassified environments., * Administer Oracle Linux 8, 9, and 10 systems, including installation, configuration, patching, monitoring, and troubleshooting.

 * Manage virtual machines using Oracle Linux Virtualization Manager (OLVM).
 * Maintain shared storage using Oracle ZFS Storage Appliance.
 * Support FreeIPA identity and DNS services.
 * 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 Information Assurance Vulnerability Management (IAVM).
 * Document system configurations, maintenance procedures, incidents, and changes.
 * Maintain network availability and minimize service disruptions for users.