Commercial Off-the-Shelf (COTS), CompTIA A+, CompTIA Security+, Computer Skills, Computer Systems, Customer Relations, Customer Support/Service, Desktop PC, Documentation, Establish Priorities, ITIL (IT Infrastructure Library), Identify Issues, Information Technology & Information Systems, Internet Application, Maintenance Services, Microsoft Certifications, Microsoft Windows Operating System, Office Equipment, Operating Systems, Operational Support Systems (OSS), PC Hardware, People Management, Peripheral Hardware, Physical Demands, Presentation/Verbal Skills, Problem Solving Skills, Team Lead/Manager, Technical Support, Top Secret Clearance, Unified Communications, Videoconferencing, VoIP (Voice over IP)