TO BE CONSIDERED FOR THIS POSITION YOU MUST HAVE AN ACTIVE TS/SCI W/ FULL SCOPE POLYGRAPH SECURITY CLEARANCE (U.S. CITIZENSHIP REQUIRED) Windows OS System Administrator - Desktop Support Configure, manage and troubleshoot Windows and Linux operating systems.Installs/loads operating system software, troubleshoot and maintain integrity and configure network components along with implementing operating systems enhancements to improve reliability and performance. Provides support for implementatio