Posted 4d ago

Systems Administrator

@ GBTI Solutions
Charlottesville, Virginia, United States
OnsiteFull Time
Responsibilities:Maintaining infrastructure, Patching systems, Supporting accreditation
Requirements Summary:6+ years of systems administration in classified AWS/cloud environments; RedHat Linux, PostgreSQL, and security administration; TS/SCI clearance; IAT Level II or higher; Bachelor's degree in IT or related field.
Technical Tools Mentioned:AWS, RedHat Linux, PostgreSQL, Docker, PKI/DIAS
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Job Description
Position Summary
The Systems Administrator manages the operational infrastructure, cloud environments, security, and day-to-day system administration of the Threat Library on AWS TC2S and SC2S.

Key Responsibilities 
  • Maintain and monitor AWS cloud infrastructure, servers, databases, and networking to ensure 99% availability. 
  • Perform system patching, backups, monitoring, and performance tuning. 
  • Support RMF accreditation activities, security scans, and documentation. 
  • Manage user accounts, permissions, DIAS/PKI integration, and access control. 
  • Assist with deployments, Docker container management, and troubleshooting.
Minimum Qualifications:
  • Bachelor’s degree in Information Technology or related field (or equivalent). 
  • 6+ years of systems administration experience on classified AWS/cloud environments. 
  • Strong knowledge of RedHat Linux, AWS (TC2S/SC2S), PostgreSQL, and security administration. 
  • Active TS/SCI clearance. 
  • IAT Level II certification (or higher).