The candidate must demonstrate experience in designing, deploying and supporting large scale networks utilizing the following network technologies: OSPF, EBGP, IBGP, Optimized Edge Routing, Virtual Routing and Forwarding (VRFs), VRF-Lite, MPLS, Layer 3 Ether-channels, Virtual LANs (VLAN), L2TPVPN, Layer 2 / 3 Ether-channeling, HSRP, Access Control Lists (ACLs), AAA services, TACACS+, Radius, NetFlow V5 / V9, IP SLA, NTP, DNS, DHCP, SNMP V2 / V3, Layer 2 / Layer 3 Quality of Service (QoS), Cisco IOS, IOS-XE, NX-OS, IOS-XR, Cisco ISR routers, Cisco ASR routers, and Network Virtualization. Hands-on-experience, as a Senior Engineer, designing, implementing, and managing networking technology solutions in large scale enterprise environments which include the following network types: Service Provider Networks, Wide Area Networks, Data Center Networks, Metro Ethernet Switching and Routed Networks.