Expert Windows/Linux Systems Administrator (TS/SCI with Poly Required)

GCI is looking for a highly motivated and experienced expert Systems Administrator to join our team. The candidate will be accountable for Windows system administration to include some Linux, application-based system services and developer-based applications that support the infrastructure.  Responsibilities on these systems include SA engineering, operations and maintenance, troubleshooting, configurations, installation, and research and development to ensure continual and optimal operation. The position requires general technical knowledge of systems, networks, and application security as well as an understanding of operational-level security frameworks, policies, processes, and standards.