Application Servers, Asset Management, Audiovisual, Auditing, Communication Skills, Computer Maintenance, Computer Systems, Computer Workstations, Customer Relations, Customer Support/Service, Data Recovery, Dell Hardware, Desktop PC, Desktop Virtualization, DoD Clearance, Editing, Hardware Architecture, Help Desk, Hewlett-Packard Hardware, Identify Issues, Interpersonal Skills, Laptop PC, Layer 2 Protocols, Linux Operating System, Microsoft Active Directory, Microsoft Exchange Server, Microsoft Windows Operating System, Microsoft Windows System Administration, Network Administration/Management, Network Support, Network System Hardware, Network Topology, Operational Support, People Management, Problem Solving Skills, Process Development, Process Improvement, Public Key Infrastructure (PKI), Red Hat Linux Operating System, Remote Access, SQL (Structured Query Language), Sales Closing Skills, Security Clearance, Sensitive Compartmented Information (SCI), Server Support, Software Administration, Software Installation, Software Patches, Software Upgrades, System Center Configuration Manager (SCCM), Systems Administration/Management, Technical Writing, Unix Operating Systems, VMWare, VPN (Virtual Private Network), Vendor/Supplier Relations, Virtual Machine (VM), Vulnerability Scanners, Windows Server Update Services (WSUS), Writing Skills