Administrative Skills, Analysis Skills, Authentication, Background Investigation, Cisco IOS (Internetworking Operating System), Cisco Routers, Communication Skills, Computer Networks, Computer Servers, Cross-Functional, Customer Relations, DHCP (Dynamic Host Configuration Protocol), DNS (Domain Name System), Detail Oriented, Documentation, Establish Priorities, Ethernet, Firewalls, IP (Internet Protocol) Routing, Information Technology & Information Systems, Interpersonal Skills, Kerberos, Knowledge Base, LDAP (Lightweight Directory Access Protocol), Linux Operating System, Local Area Network (LAN), MPLS (Multi-Protocol Label Switching), Microsoft Active Directory, Microsoft Excel, Microsoft Office, Microsoft Outlook, Microsoft PowerPoint, Microsoft Product Family, Microsoft System Center Operations Manager (SCOM), Microsoft Windows Operating System, Microsoft Windows Server, Microsoft Word, Multitasking, NTFS, Network Configuration Management, Network Performance/Analysis, Network Routers, Network Switching, On Call, Operating Systems, Organizational Skills, Performance Management, Policy Development, Presentation/Verbal Skills, Problem Solving Skills, Quality Management, Quality Metrics, Red Hat Linux Operating System, SSH (Secure Shell), Scripting (Scripting Languages), Secret Clearance, Software Administration, Systems Administration/Management, Systems Maintenance, T-1 / DS1, TCP/IP (Transmission Control Protocol/Internet Protocol), Team Player, Technical Writing, Telephony, Training/Teaching, United States Department of Defense (DoD), VMWare, VPN (Virtual Private Network), Virtual Machine (VM), Wide Area Network (WAN), Windows PowerShell, Writing Skills