Expertise, advanced knowledge and demonstrated experience in the following areas: Advanced routing and switching on enterprise network systems Hands-on experience in installing, configuring and troubleshooting Cisco Nexus 9K, Catalyst 9K, 4K, 3K series switches Required skills with OSPF, VRFs, VLANs, STP, ACLs, LaCP, HSRP, SVS, VSS technologies Experience with BGP, VDCs, NAT, DNS, DHCP, ASDM, TACACS+, vPC technologies Experience in troubleshooting a complex layer 2 and 3 design Wireless network concepts using centralized controllers, encryption methods, authentication and RF planning. Hands-on experience in installing, configuring and troubleshooting Cisco Nexus 9K, Catalyst 9K, 4K, 3K series switches Required skills with OSPF, VRFs, VLANs, STP, ACLs, LaCP, HSRP, SVS, VSS technologies Experience with BGP, VDCs, NAT, DNS, DHCP, ASDM, TACACS+, vPC technologies.