- General Network infrastructure support- Network design and implementation

Consultant in the Open Systems Engineering. I have over sixteen years experience in architecting, implementing and supporting enterprise business solutions in a variety of IT computing environmentsCapabilities:Strategic Network PlanningComplex LAN and WAN Design and ImplementationEnterprise network engineeringCisco Router Configuration and ImplementationCisco LAN Switch configuration and implementationCisco Secure Pix and IOS Firewall Feature Set Configuration and ImplementationCisco Secure 3000 VPN Concentrator Configuration and ImplementationNetwork Diagnosis and TroubleshootingF5 BigIP and 3DNS

- General network support- Remote office network infrastructure build out- Datacenter consolidation - Bradford NAC Network Sentry support- Network Migration

Customers support with various projects from Cisco routers, switches, ASA, VPN tunnel and remote access. Network design and pre-sale to support Sale staffs. Project manager, implement and post support for some project.

Responsible for installation of Cisco PIX/ASA Firewall and ISP coordination for Internet/Web Access and Internet securityResponsible for Implement and troubleshooting of Cisco network infrastructure

•Serve as key leader for network implementation in aggressive initiative to plan, integrate Cisco switches and network / infrastructure •Assist Network Operation and Performance Management Group in addressing network standard issues in cooperated with new data center design•Assist Cooperate Security with all networked devices •Examine proof-of-concept documentation to ensure successful integration of recommended technologies•Produce and optimize configuration templates for backbone, server farm switches, user access switches, and network backup switches, ensuring adherence to Cisco’s three-tiered model •Design and implement variety network infrastructure from small customers to fortune 1000 customers•Serve as mentor and technical advisor for network engineers in the company•Provided Tier2 -3 network support for all clients•Design and planning to build out the Data Center and backup Data Center for several investment firms•Resign, implement and support the network infrastructure for E-Commerce company using various network equipment vendors such as Cisco, F5, and RiverBed•Served as Tier-3 support for resolving difficult DDoS attacks and malformed BGP packet issues.•Troubleshot BGP, OSPF, EIGRP, MPLS, QoS, MLPPP, NAT/PAT and PP/PD CEF switching issues•Designed, implemented and supported multi-homed and load-balanced configurations using BGP for customers.

•Serve as key leader for network implementation in aggressive initiative to plan, integrate Cisco switches and network / infrastructure •Assist Network Operation and Performance Management Group in addressing network standard issues in cooperated with new data center design•Assist Cooperate Security with all networked devices •Examine proof-of-concept documentation to ensure successful integration of recommended technologies•Produce and optimize configuration templates for backbone, server farm switches, user access switches, and network backup switches, ensuring adherence to Cisco’s three-tiered model •Design and implement variety network infrastructure from small customers to fortune 1000 customers•Serve as mentor and technical advisor for network engineers in the company•Provided Tier2 -3 network support for all clients•Design and planning to build out the Data Center and backup Data Center for several investment firms•Resign, implement and support the network infrastructure for E-Commerce company using various network equipment vendors such as Cisco, F5, and RiverBed•Served as Tier-3 support for resolving difficult DDoS attacks and malformed BGP packet issues.•Troubleshot BGP, OSPF, EIGRP, MPLS, QoS, MLPPP, NAT/PAT and PP/PD CEF switching issues•Designed, implemented and supported multi-homed and load-balanced configurations using BGP for customers.

•Planned, designed and configured multi-scaled networks using Cisco, Wellfleet routers , Cabletron, Synoptics and switches•Planned, redesigned and implemented networks for fortune 1000 customers.•Implemented and supported new technologies in test labs, including BGP,OSPF and Layer 2/3 MPLS.•Install and configure various OS servers’ technology such as LanManger, OS2, and Netware•Assisted security administrators with resolving connectivity and security issues.