802.1, Analysis Skills, Application Programming Interface (API), Auditing, Authentication, Automation, BGP, Bash Scripting, Best Practices, Cacti Graphing Tool, Call Routing, Coaching, Computer Firmware, Computer Security, Computer Systems, Customer Relations, DWDM (Dense Wavelength Division Multiplexing), Denial of Service (DoS), Develop and Maintain Customers, Documentation, Electrical Wiring, Ethernet, Event Correlation, Firewalls, GRE (Generic Routing Encapsulation), High Availability, IP (Internet Protocol), IP (Internet Protocol) Routing, IPsec (IP Security), IPv6, Identify Issues, Internet Service Providers, Intrusion Detection Systems, Intrusion Prevention Systems, L2TP (Layer 2 Tunneling Protocol), Layer 2 Switching, Layer 3 Switching, Local Area Network (LAN), MPLS (Multi-Protocol Label Switching), Maintain Compliance, Microsoft VBScript (Visual Basic Script) Scripting Language, NAT (Network Address Translation), Netflow, Network Access Control (NAC), Network Administration/Management, Network Architecture/Engineering, Network Configuration Management, Network Design, Network Monitoring, Network Performance/Analysis, Network Protocols, Network Routing, Network Scalability, Network Security, Network Support, Network Switching, Network Traffic Analysis, Open Shortest Path First Protocol (OSPF), POTS (Plain Old Telephone Service), Performance Analysis, Project Planning, QoS (Quality of Service), RADIUS (Remote Authentication Dial-In User Service), REST (Representational State Transfer), Radio Frequency, Routing Protocols, SNMP (Simple Network Management Protocol), SSL-TLS (Secure Socket Layer - Transport Layer Security), Scripting (Scripting Languages), Security Auditing, Security Compliance, Security Patches, SonicWALL, Spanning Tree Protocols, TACACS (Terminal Access Controller Access Control System), TCP/IP (Transmission Control Protocol/Internet Protocol), Team Player, Telephony, Testing, Trend Analysis, VLAN (Virtual Local Area Network), VPN (Virtual Private Network), VoIP (Voice over IP), Wide Area Network (WAN), Wireless Communications, Wireshark (Ethereal), tcpdump