STR
Classified Systems Administrator
$85K–$120K
Atlanta, GA +1 · Full-time · Posted Aug 11, 2026
- Location
- Atlanta, GA
Atlanta, Georgia, United States
About the job
Supports secure research and development environments by administering Linux and Windows systems, maintaining infrastructure, and resolving user and security-compliance issues.
What you'll do
- Deploys, maintains, patches, and troubleshoots Linux and Windows systems in physical and virtual environments.
- Runs vulnerability and compliance scans, remediates findings, and maintains security procedures and documentation.
- Supports lab users and infrastructure, including storage, networking, firewalls, directory services, and desktop support.
What they ask for
- Active Top Secret/SCI security clearance; U.S. citizenship is required by the U.S. Government.
- Understanding of Linux (Red Hat, CentOS, Ubuntu) and Windows OS administration.
- Experience with business and engineering applications, such as Microsoft Office, MATLAB, Visual Studio, and VMWare.
- Strong problem-solving, organizational, troubleshooting, and customer-service skills.
Nice to have
- Microsoft and/or Linux technical certifications.
- Experience with Active Directory, enterprise virtualization, MFA/PKI, web servers, STIGs/SCAP, HBSS, or DoD PPS.
Pay
USD 85,000 to USD 120,000 base salary
Tools
Linux, Red Hat, CentOS, Ubuntu, Windows, PowerShell, Microsoft Office, MATLAB
Model-written summary · the original posting is authoritative