BGP, CCIE - Cisco Certified Internetwork Expert, CCNP - Cisco Certified Network Professional, Cisco Network Systems, Customer Escalations, Document Change Management, Documentation, Identify Issues, Layer 3 Protocols, Local Area Network (LAN), Network Architecture/Engineering, Network Configuration Management, Network Design, Network Security, Open Shortest Path First Protocol (OSPF), Performance Tuning/Optimization, QoS (Quality of Service), Regulatory Compliance, ServiceNow, VLAN (Virtual Local Area Network), Wide Area Network (WAN), Wireless LAN