Senior Network Engineer Resume

SUMMARY:

Have a excellent track record in solving Cisco IOS(7600/GSR/ASR1K) series routers, Cisco IOS - XR (CRS-1,ASR9000,12k XR) and Catalyst 3750/6500 / Nexus 7K series switches including setup, configuration, troubleshooting
Strong Switching technology, including Vlans, VTP, STP, MST, Trunk, Etherchannel, VDC, VPC
Strong routing protocols skills: OSPF, IS-IS, EIGRP, RIP, BGP, Multicast, MPLS/VPN, EoMPLS, Atom, VPLS and MPLS TE.
Confident in QoS technologies such as CBWFQ, PQ, LLQ, WRED, and Traffic shaping/policing
Solid understanding physical and Link-Level protocols, such as PPP, HDLC, CDP, UDLD, BFD
Have been constantly involved in reproducing/recreating customer issues in the lab with traffic generation using IXIA/Cisco Pagent & TCL for automation
Have a proven record of working with end customers with high customer satisfaction scores.
Self starter, fast learner, good communication skills, team worker, successful at leadership, comfortable under pressure

PROFESSIONAL EXPERIENCE:

Confidential

Senior Network Engineer

Responsibilities:

Debug Verizon wireless engineering and IT networks for routing and switching issue, by logging into the node and collecting console logs, traces and sometimes using wireshark for the packets capture
Troubleshot routing issue as, BGP, OSPF and EIGRP and multicast on complex Verizon Wireless networks
Troubleshot layer2 and layer3 MPLS/VPN issue also for MPLS Traffic Engineering and MVPN
Troubleshot hardware issue for platform CRS1, CRS3, ASR9K, 12K XR, ASR1k and Nexus7K, 6500.
Troubleshot platform performance issue like high CPU, high Memory and latency
Joined Verizon Wireless Maintenance Window to support their migration projects
Reproduced customer issue in our lab with IXIA to generate the packets flow

Confidential

Customer Support Engineer

Responsibilities:

Setup the ICM / IPCC Enterprise / CVP lab for Htts-ucc team
Troubleshot IPCC enterprise also IPCC express issue, like Call drop in call center, Agent can not login to CAD, HDS database capacity and synch issue etc
Familiar with voice singling protocols like SIP, H.323, MGCP
Familiar with CUCM 7.0 installation, configuration and management

Confidential

Customer Support Engineer

Responsibilities:

Strong knowledge of various routers platforms’ architecture, like GSR/ 7600/7500/7200/3845 etc.
Troubleshot with the routers crashes, RSP/VIP crashes, GSR line card reload, error messages decoding, process memory parity error, high CPU utilization, IOS memory fragmentation, memory leak, router hangs, buffer leak, Processor memory parity error(PMPE), Password Recovery etc.
Troubleshot general issues of Qos, CEF/FIB/IPC messages, Netflow switching
Troubleshot routing protocol issues, like Policy routing, RIP v2, Ospf, BGP, CEF switching, HSRP,IP addressing
Troubleshot Multicast issue and MPLS/VPN L3vpn
Troubleshot catalyst 6k line card and supvisor, also HSRP problems like dual HSRP states etc.

Confidential

Network Engineer

Responsibilities:

Maintained Cisco equipments, recovered malfunctions of equipments due to mis-configuration; upgraded IOS versions
Configured Hot Standby Routing Protocol to provide high network availability by protecting against a single router failure. Configured basic HSRP, and using the track option (tracking of serial interfaces) and configured Multigroup HSRP configuration
Configured routing protocol like RIP, EIGRP, BGP for customer network
Redistributed of routing protocols such as between OSPF and RIP, OSPF and EIGRP
Configured IPsec/vpn between two ends of customer’s networks