Linux Systems Administrator – TS/SCI Clearance

Quevera-LLC; Maryland; On-site; USD 120,000 - 180,000; Full time

Job summary

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, virtualization, shared storage, identity services, and network infrastructure across classified and unclassified environments.

The ideal candidate has five years of experience, strong scripting, Cisco knowledge, and CompTIA Security+ certification, along with excellent documentation and communication

Qualifications

• Active TS/SCI clearance with Polygraph is required.
• Minimum of five years of experience as a System Administrator.
• Hands-on experience administering Linux systems and troubleshooting infrastructure issues.
• Advanced scripting skills and ability to modify existing scripts or develop new ones.
• Clear documentation and communication skills are essential.
• Active CompTIA Security+ certification.

Responsibilities

• Administer Oracle Linux 8, 9, and 10 systems, including installation, configuration, patching, monitoring, and troubleshooting.
• 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 CVEs, track remediation, and support IAVM.
• Document system configurations, maintenance procedures, incidents, and changes.
• Maintain network availability and minimize service disruptions for users.

Skills

Scripting

Documentation

Communication

Security clearance

Tools

Oracle Linux

ZFS Storage Appliance

FreeIPA

Cisco IOS-XE

OLVM

oVirt

Proxmox

VMware

Job 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, virtualization, shared storage, identity services, and network infrastructure across classified and unclassified environments.

The ideal candidate has five years of experience, strong scripting, Cisco knowledge, and CompTIA Security+ certification, along with excellent documentation and communication