Top Secret/SCI Systems Administrator — Linux/Windows

Systemstechnologyresearch; Atlanta (GA); On-site; USD 85,000 - 120,000; Full time

Job summary

STR is hiring a Systems Administrator in Atlanta, GA to maintain Linux and Windows environments, support virtualization, and assist senior admins in delivering secure solutions.

This role requires an active Top Secret/SCI clearance and U.S. citizenship, with responsibilities that include patching, AD/GP management, and security compliance. You will document procedures and support production and development environments.

Qualifications

• Experience administering Linux and Windows OS in mixed environments.
• Top Secret/SCI clearance required; U.S. citizenship.
• Ability to patch and remediate security findings.
• Strong problem solving and customer service skills.
• Familiarity with DoD security guidelines (STIG/SCAP) preferred.

Responsibilities

• Assist senior admins in deploying and maintaining Linux and Windows systems in virtualized environments.
• Run vulnerability and compliance scans and remediate findings.
• Perform monthly patching of offline assets.
• Maintain inventory of hardware and software licenses.
• Configure NAS storage, networks, AD, and Group Policy.
• Create end-user SOPs and documentation.
• Support lab operations and incident resolution.

Skills

Linux administration

Windows administration

PowerShell scripting

Technical problem solving

Time management

Customer service

Tools

VMware

Active Directory

Group Policy

STIGS

SCAP

Job description

STR is hiring a Systems Administrator in Atlanta, GA to maintain Linux and Windows environments, support virtualization, and assist senior admins in delivering secure solutions.

This role requires an active Top Secret/SCI clearance and U.S. citizenship, with responsibilities that include patching, AD/GP management, and security compliance. You will document procedures and support production and development environments.