WAN: MPLS/VPN, AToM/VPLS/Metro Ethernet, SONET/POS, Frame Relay/TDM (T1/T3)/ATM. Data Center: 1G/10G/40G Ethernet, Virtual Fabric, Load Balancing (LSB, GLB), NIC teaming, Storage, SAN, FCoE, iSCSI, SAN, IBM BladeCenter, HP BladeSystem, VLAN/802.1Q, Spanning Tree, LACP. Routing protocol: RIP/RIP2, EIGRP, OSPF, BGP4, IS-IS, PIM DM/SM, IGMP, MSDP. Server/Router redundancy: HSRP, VRRP, GLBP, Load balancing. Security: Firewall, ACL, NAT/PAT, VPN (IPSec, SSL VPN), IPS, AAA, RADIUS/LDAP. • Results-driven team Leader with 10+ years experiences in network architecture, design, capacity planning, implementation, administration, and trouble-shooting of large-scale multi-vendor network infrastructure for financial institutions, ISPs, media groups, and other large-size companies. • Solid experiences and hands-on technical accumulation of L2/L3 Protocols (STP, Trunking, FCoE, iSCSI, Virtual Fabric, Data center, OSPF,IS-IS, BGP, VRRP/HSRP, PIM/IGMP, L4/L7 SLB, L2/L3 VPN, MPL