**Active TS/SCI w/Polygraph REQUIRED** Please do not apply if you do not currently possess this level of clearance. Telework: None Basic Requirements: Security+ Cert 5 years of experience as a System Administrator Bachelor's degree in a technical discipline 5 additional years of experience as a System Administrator may be substituted for a degree Job Description: Configure, manage and troubleshoot Windows and Linux operating systems. Installs/loads operating system software, troubleshoot and mai