The Subject Matter Expert (SME) shall provide Life Cycle Sustainment and Maintenance (LCSM) support 24 hours a day, 7days a week, 365 days a year for all Special Operations Command (SOCOM), Satellite Deployable Nodes (SDN) Family of Systems (FOS) via telephone, email and/or on-site support to maintain 24/7 deployable status. Experience configuring Cisco routers and switches, Specialized experience in the design, development, testing, analysis, operation or maintenance of Command, Control, Communications, Computers, Cyber, Intelligence, Surveillance and Reconnaissance (C5ISR) systems Deployable Node.