Due to contractual obligations ComVex SIT® is only accepting mission-critical assignments via the U.S. General Services Administration’s National Contact Center. (US GSA) Authorized clients should contact GSA Advantage: https://www.gsaadvantage.gov/advgsa/advantage/main/start_page.do for more information.Specialties: ComVex SIT supports access to (SCI) and special access programs (SAPs) TS/SCI-cleared (Top Secret / Sensitive Compartmented Information) Our mission is to provide US-GSA agents with secure access to data at all security levels. Certified Fault Tolerant software with enhanced live support available 24x7x365