SUMMARY

• Extensive hands-on experience with complex routed LAN and WAN networks, routers and switches
• Worked on Cisco 7200, 3800, 3600, 2800, 2600, 1800 series Router and Cisco 2900, 3500, 4500, 5500, 6500 series switch
• Experience of routing protocols like EIGRP, OSPF, RIP, and BGP
• Experience with the escalation problems for Routing, Switching and WAN connectivity issues using ticketing system remedy
• CCNP and CCNA certified with 8 years of professional experience in Network Planning, Implementing, Configuring, Troubleshooting and Testing of networking system on both Cisco and Juniper Networks.
• Implemented MPLS/VPN services for various customers.
• Experience in Layer 3 Routing Protocol configurations: RIP, OSPF, BGP, EIGRP and MPLS.
• Experience in designing, implementing and Managing LAN, WAN solutions for different client setups.
• Implemented traffic filters on CISCO routes using Standard Access List and Extended Access list.
• Experience with installing and managing IT services such as Active directory, site replication, DNS, SSH, DHCP, DNS, NAT and Terminal service.
• Hands-on configuration and experience in setting up Cisco routers to perform functions at the Access, Distribution, and Core layers
• Experience in the setup of Access-Lists, and RIP, EIGRP, and tunnel installations
• Proficiency in configuration of VLAN setup on various Cisco Routers and Switches
• Experienced in trouble-shooting both connectivity issues and hardware problems on Cisco based networks
• Enhanced level of experience with OSPF, BGP, and TCP/IP
• Excellent leadership with good written and oral communication
• Great team player and able to work under pressure 24x7 duty rotation
• Strong knowledge in HSRP, VRRP redundancy Protocols.
• Experience in Network Management Tools and sniffers like SNMP, HP-Open view, Wireshark and Cisco works to support 24 x 7 Network Operation Center.
• Experience in physical cabling, IP addressing and subnetting with VLSM, configuring and supporting TCP/IP, DNS, installing and configuring proxies.
• Access control server configuration for RADIUS TACAS .
• Ability to Install, Manage Troubleshoot Large Networks Systems Administration on Windows Linux platforms in Development, Lab Production Environments.

TECHNICAL SKILLS

• Routers 1800, 2500, 2600, 2800, 3600, 3800, 7200 .
• Cisco Switches 2900, 3500, 3650, 3750, 3850, 4000, 4500, 5000, 6500, Nexus 7k .
• L2-L3 Protocols: ARP, STP, VLAN, IPv4, IPv6, LACP, IGMP, VRRP, RIPv1, RIPv2, IGRP, OSPF
• Multicast:SM,DM, SDM,Bidir.IGMP,MLDetc.
• Management tools, SNMP, Syslog, Sniffer, and Wireshark.
• LAN Technology: VLAN, VTP, Inter-vlan routing, ISL, dot1q, STP, RSTP, PVST, HSRP, GLBP, Ethernet, Port security.
• WAN Technology: Frame Relay, X.25, E1/T1/DS1/DS3
• Network Management: SNMP v2, Cisco Works , 3Com Network Analyzer, MRTG, SolarWinds, TACACS
• Network Security: Basic Knowledge of Firewall, ASA, IPSec, IPS/IDS, VPN
• Implemented traffic filters using Standard and Extended access-lists, Distribute-Lists, and Route Maps.
• Implementation of DHCP, DNS, FTP, TFTP.
• Documentation: Microsoft Office, Visio

WORKEXPERIENCE:

Confidential

Sr.Network Engineer

• Work on different networking concepts and routing protocols like BGP, EIGRP, OSPF and other LAN/WAN technologies.
• Implemented standard configuration template scripts in various network devices for snmp v2, logging, and ntp
• Created standard access lists to allow snmp, ntp and logging servers.
• Replaced 6500 from access layer and Installed 3750s Switches.
• Racking and Stacking of Cisco 3750 Switches.
• Co-ordinate with the Data Network and Security team and come up with possible solutions.
• Provide solutions to Tier 1 escalated issues and tickets.
• Work on Physical site Inventory verification, gather information of various Cisco Network devices and Security Devices to develop Run book and Spec Book.
• Replaced old 6500 and WAN routers from DR testing site and Installed Nexus 7K and ASR 1006 routers.
• Decommission serial T3 circuits and replace with MPLS circuits. MPLS clouds were provided by carriers ATT, Verizon or Level 3.
• WAN Pilot project to convert branch from dual T1 circuits to WAN only broadband circuit. To Enable Internet WAN connectivity for the Lab in Hauppauge. Test and turn-up IWAN link and disable the 2 existing T1 circuits, running branch on IWAN only.
• After testing was completed site will be placed back on either dual TDM circuits or TDM with IWAN backup circuit.
• Conversions to BGP WAN routing. Which will be to convert WAN routing from OSPF to BGP OSPF is used for local routing only which involves new wan links.
• Worked in the System Testing on Juniper Networks Core and Edge Router Developed, tested, and implemented new Juniper SSL VPN environment for external access to internal applications. Currently involved in systems support for this application.
• Upgraded IOS on various Cisco Routers and Switches.
• Identify additional Network operations requirement and improvement opportunity.
• Solution testing for customer scenarios with Layer 3 routing protocols like RIP/RIPv2, EIGRP and OSPF.
• Work on different networking concepts and routing protocols like BGP, EIGRP, OSPF and other LAN/WAN technologies.
• Configured BPDU Guard, port-fast, uplink fast and other spanning tree features.
• Configuration and troubleshooting of Cisco 2500, 2600, 3000, 6500, 7500, 7200 Series routers.
• Configured IP access filter policies.
• Write and execute test plans for the assigned features.
• Automated scripts in TCL language as part of the assigned project.
• Worked on the TAC customer cases and helping them recreating and executing their issues in the lab environment.
• Worked on customer filed defects which were raised by CSE.

Confidential

Network Engineer

• Configured Routing protocols such as OSPF and policy based routing.
• Team member of Configuration of Cisco 7206 router and Configuration of Catalyst switches.
• Configuration 7609, 7606 with OSPF and catalyst 6505, 4500, 3550 switches with various VLAN.
• Create and test Cisco router and switching operations using OSPF routing protocol.
• Configuration and troubleshooting link state protocols like OSPF in multiple areas.
• Configured HSRP and VLAN trucking 802.1Q, VLAN Routing on Catalyst 6500 switches.
• Optimized performance of the WAN network consisting of Cisco 3550/4500/6500 switches by configuring VLANs.
• Uploaded the 6500 series multi layer switch with IOS versions in the external flash cards and shipped them to various data centers
• Worked on Layer 2 protocols such as STP, VTP, STP, RSTP, PVSTP , and MST worked on other VLAN troubleshooting issues and configured switches from scratch and deployed them
• Involved in designing and applying QOS and policy MAP QOS to WAN to 2800 series routers for all of the branches
• Dealt with applying crypto maps and security keys for the branches, ISAKMP Internet Security Association Key Management Protocol for establishing Security associations SA cryptographic keys to branches in an internet cloud environment
• Coordinated with senior engineers with BGP/OSPF routing policies and designs worked on implementation strategies for the expansion of the MPLS VPN networks
• Cisco IOS experience on 3600/7200 class hardware in complex WAN environment and experience on Cisco OS and IOS on CAT6500 in a complex data center environment
• Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.
• Providing Technical Support and solutions for Network Problems.
• Implementing NAT solution's on Cisco IOS routers.
• Upgrading IOS, troubleshooting network outages.
• Worked on Cisco Routers, Active /Passive Hubs, Switches.
• Having Data Center Design Experience, installing and Configuring Network Devices in a Data Center including patching the cables in the Patch Panel. Design and implemented network infrastructure and configured all the network Infrastructure devices including Network Printers and Registers

Confidential

Network Engineer

• Worked on Cisco Layer 2 switches spanning tree, VLAN .
• WAN Infrastructure running OSPF BGP as core routing protocol.
• Support various Routers like 2600/3600/7200 series routers.
• Tested authentication in OSPF and BGP.
• Configured and troubleshoot OSPF and EIGRP.
• Troubleshooting IOS related bugs based on past history and appropriate release notes.
• Work on different connection medium like Fibre and Copper Connectivity.
• In-depth expertise in the implementation of analysis, optimization, troubleshooting and documentation of LAN/WAN networking systems.
• Planning and configuring the routing protocols such as OSPF, RIP, and Static Routing on the routers.
• Performed and technically documented various test results on the lab tests conducted.
• Planning and configuring the entire IP addressing plan for the clients' network.
• Assist the certification team and perform configuration of LAN WAN technologies such as Ethernet, Fast Ethernet, and Gigabit Ethernet.
• In-depth expertise in the implementation of analysis, optimization, troubleshooting and documentation of LAN/WAN networking systems.
• WAN Infrastructure running OSPF as a core routing protocol.
• Follow process procedures for change configuration management.
• Supported nationwide LAN infrastructure consisting of Cisco 4510 and catalyst 6513.
• Deployed the switches in high availability configuration with HSRP.
• Support various Series of Cisco Routers like 7200/7600 series.
• Support Complex 6500 /5500 Series Switches.
• Network Monitoring using tools like Cisco Works 2000.
• Created Lab demonstrations for new technology deployments with loaner equipment from various vendors and presented the findings to upper management.
• Troubleshoot network problems using Packet Analysis tools like Ethereal.

Confidential

Network Support Engineer

• Performed Troubleshooting and monitored routing protocols such OSPF, EIGRP BGP.
• Involved in customer escalations and troubleshooting issues related to connectivity, STP, VLAN, Trunking, VTP, Layer 2/3 switching, Ether channels, Inter-VLAN routing, log messages, high CPU utilization and parameters that can degrade performance of network.
• Configured VLANS on multiple catalyst switches performed troubleshooting on TCP/IP network problems, Administered Frame-Relay and networks.
• Provided technical support and problem resolution for the LAN and its environment by analyzing the problem, identifying the cause and circumstances of the problems and finding a solution to the identified problem.
• Configured ACL NAT through CLI.
• Experience with protocols such as Frame Relay, IEEE 802.11 and VLAN, OSPF and BGP, DNS, DHCP, FTP, NTP, SNMP, SMTP and TELNET.
• Installed, configured through CLI SDM and managed CISCO routers and Catalyst switches.
• Set up Internet, implementing Networking products like Servers, Proxy servers, Switches, Firewalls, Routers

Confidential

Network Engineer

• Designed and implemented remote dial up solution for clients
• Installed and configured workstations for IP based LAN's
• Installed and configured DHCP Client/Server
• Configured and managed networks using L3 protocols like RIPv2,
• Configured VLANs, Private VLANs, VTP and Trunking on switches.
• Configured L2 and L3 security features on devices
• Troubleshooting on routing protocols, which include RIP, BGP, EIGRP, and OSPF.
• Remotely testing links up to 1.5 Mbps using tools like REACTS.
• Configured and installed CISCO routers 2500, 2600, 3601 and 4000 series.
• Gained knowledge in IP Subnetting for Class A, B, and C networks.
• Handled installation of operating systems NT/2000, MS Office, XP , troubleshooting of operating systems and configuring the servers.
• broad Hands on Experience in Inter-vlan routing, redistribution, access-lists and dynamic NAT
• Efficient in cabling as per co-location contracts with loop-back testing, including all DS1, DS3, T1, T3,CAT 6 and CAT 5 connections as per defined cabling procedures.