Summary:

• Over 8+ years of experience in design, development, implementation, trouble shooting and maintenance of complex network systems.
• Dealt with F5 Local traffic managers, F5 Global Traffic managers of the series like 2400, 3400, 1500, 6900, 8900, 8800, and 6400
• Extensive experience in configuring LTM devices during the migration process of pools, members, virtual servers (VIP), nodes, SNAT
• Extensive experience in Layer 3 routing and Layer 2 switching and dealt with router configurations like 7200,3800, & 2800 and switches 6500, 4500, 3750,2900 and 3500XL series
• Experience testing Cisco routers and switches in laboratory scenarios and deploy on site for production
• Proficient in configuration of routing protocols like RIP, IGRP, EIGRP and OSPF multiple areas BGP
• Involved in migrating 120 Cisco 6509, 6503, 6506 Catalyst switches from CATOS 8.x to IOS version 12.x for campus environment in IDF/MDF
• Involved in designing L2VPN services and encryption system and other VPN with IPSEC based services
• Experience on designing and troubleshooting of complex BGP and IS-IS routing problems on mock lab scenarios
• Worked on firewall Pix525, and other tools like SNMP, AAA, RADIUS and designed VPN with IPSEC security layer
• Expertise in IP Subnetting and worked on various designing and allocation various classes of IP address to the domain
• Extensive experience taking copy of Cisco IOS on TFTP server and loading on back on routers and knowledge on HP openview software
• Extensive Troubleshooting experience in ISDN and telephony circuits CSU/DSU connections
• Hands on experience on NAT (Network address translation ) configurations and it’s analysis on troubleshooting issues related access lists (ACL)
• Involved in monitoring network traffic and its diagnosis using performance tools like Snort, Snortsnarf, ping tools, and packet player
• Experience in troubleshooting of Nortel switches using SMLT protocol using IST (Inter switch trunk) Operation
• Worked on Avaya Voice gateways for VOIP implementation using Cisco Catalyst switches
• Maintain technical knowledge by understanding state of the art technologies, attending educational workshops and reviewing technical publications.
• Excellent communication and documentation skills and is able to work individually and team member.
• Hands on experience with the usage of diagnosis tools like F5 Qkview, TCPDUMP for analysing the real time statistics during the packet flow

Professional Experience:
Confidential,PA Jun\'11 -Till date
Network Engineer
Responsibilities:

• Involved in migration of Frame-relay based branches to MPLS based technology using multi layer switch like 6500 series and 2800 series router
• Worked on MPLS architecture and its implementation for the UAL branches all over the US and Canada and worked on their IP subnet issues.
• Worked on upgrading the F5 LTM and F5 GTM boxes from TMOS version 9.x to10.x for the local traffic managers
• Worked on F5 LTM, GTM series like 6400, 6900, 8800 for the corporate applications and their availability
• Designed MPLS VPN and QoS for the architecture for the UAL using Cisco multi layer switches
• Cisco IOS experience on 3600/7200 class hardware in complex WAN environment and experience on Cisco OS and IOS on CAT 6500 in a complex data centre environment
• Hands on experience installing Sup720 for Cisco 6509-E series and its Gigabit Ethernet port deployment in the core network
• Maintained a world-class BGP/MPLS infrastructure to provide seamless fail over and continuous connectivity between sites, accommodating the often conflicting routing needs of the various site
• Involved in building the IPSEC VPN/GRE based VPN for the B2B based extranet connection for application file transfers.
• Involved in iRule management like loading rules, writing iRule syntax using TCL language and iRule extension to TCL

Confidential,NYC, NY Sep\'10 – May’11
Network Engineer

• Worked on Converting CATOS to IOS of 6500 series switches from Catalyst to layer IOS environment
• Worked with Supervisor engines 32, Sup 720 and involved in writing the scripts from CATOS to IOS
• Experience in configuring routing protocols like EIGRP,RIP v2, OSPF & BGP and Cisco ACS protocols like RADIUS and TACACS
• Involved in HSRP standby troubleshooting and load balancing protocol GLBP, Port channel management of the network
• Uploading the 6500 series multi layer switch with IOS versions in the external flash cards and ship them to various data centre
• Applied QoS globally on core head ends for the Gigabit Ethernet links at core and Fast Ethernet at branch side
• Experience in deploying EIGRP/BGP redistribution and the changing the metrics for the primary and backup paths for the packet prioritization and EIGRP tuning
• Hands on experience in EIGPR tuning protocol for the corporate network routing
• Worked on Layer 2 protocols such as STP, VTP, STP, RSTP, PVSTP+, MST and other VLAN troubleshooting issues and configuring switches from scratch and deployment
• Experience on a mesh 6500 and 5500 series routes and switches to support the core trading system.
• Involved in designing data communications and networks utilizing that utilize a mixture of frame relay, point to point T1, T3 & OC3 lines
• Involved in designing and applying QOS and policy MAP QOS to WAN to 2800 series routers for all the branches.

BIP-IP F5 Implementation

• Worked on F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability
• Involved in iRule management like loading rules, writing iRule syntax using TCL language and iRule extension to TCL
• Hands on Experience testing iRules using Browser(IE), HTTP watch, curl, Scripts(shell/batch file/perl) and host files
• worked on content routing requests, generate a SSL certificates, load configurations and creating DNS entries
• Dealt with creating F5 VIP(virtual servers), pools, nodes and applying iRules for the virtual servers like cookie persistency, redirection of the URL
• Proficient knowledge in (TMOS) Traffic management operating system of BIP IP followed by Packet-by-packet architecture to full proxy architecture

Confidential,AZ Sep’09- Aug’10

Responsibilities:

• Involved in Cisco router and switch administration, familiar with enterprise level Cisco switches such as 6500, 4500, 3750,2900 series Catalyst and 7200,3800, & 2800 routers
• Experience in routing protocols like OSPF, BGP, and standby protocols like HSRP and VRRP application in the routers
• Designed VLAN’s, access lists (ACL), troubleshooting IP addressing issues and Updating IOS images and other hardware installations
• Experience in troubleshooting VLAN, STP (Spanning tree protocol), & Switch Trunk and IP subnet issues
• Dealt with NAT configuration and it’s troubleshooting issues related access lists and DNS/DHCP issues within the LAN network
• Involved in Configuration of Access lists (ACL) on checkpoint firewall for the proper network routing for the B2B network connectivity
• Provisioning and troubleshooting Ethernet services, Gigabit networks and Connectivity issues with WAN types (T1, E1, DS3, and Frame relay) data circuit debugging
• Experience MPLS connectivity using VRF id and have broad knowledge on multi-protocol label switching for (MPLS-VPN) and traffic engineering (MPLS-TE)
• Dealt with the escalation problems from Leve1, Leve2 & level 3 for routing, switching and WAN connectivity issues using ticketing system Remedy
• Possess excellent verbal and written communication skills and experience developing and maintaining technical procedure and documentation.

VOIP Migration Project

• Involved in migrating Lehman’s Branches to centralized VOIP platform that will replace the existing Stand-alone phone system
• Cisco router 3745 series and switch series 3560 are used to support to add VLAN\'s to all the routers and switches to support the VOIP phones
• Worked on Avaya Gateway equipment is added to the network to support the ports from Cisco Switches across the network
• Assisted in migration of centralized voice mail system based on Cisco Unity connection and support interfacing of legacy TDM PBX of the sited in voice network system
• Familiar with H323 IOS gateways and SRST telephony design and implementation and call manager deployment in the voice network
• Hands on experience on implementation and troubleshooting of ACL\'s and QoS for the networks
• Involved in supporting voice infrastructure including call routing the voice gateways and its troubleshooting methods
• Worked on updating CATOS for that switches and IOS for the routers to support the VOIP stand-alone system for 6500 Multi-layer switch and 3500 switch series.
• HP Open view, SNMP network node manager is used to monitor the network and in the times of green zones and DMZ zones

Confidential,Jersey City, NJ Jun’08 – Aug’09
Network Design Engineer
Responsibilities:

• Experience in testing and designing with EIGRP, OSPF, IS-IS and BGP routing protocols and the multiple areas and Autonomous systems of OSPF and BGP
• Involved in channelization support from NxDS0 – OC48 using ST200 SONET/SDH PHY cards along with variety of encapsulation including packet over SONET
• Worked on BGP multi-homing issues and HSRP routing troubleshoot for the CER routers and PER routers.
• By presentations at client sites enabled them to meet various technical standards related to IPv6 and their technologies enhancement
• Experience in implementation, support and trouble shooting of VLAN’s including operational knowledge of spanning tree protocol (STP), VLAN trunking, inter VLAN
• Experience in testing router series 6500 & 7500 for developing its features
• Involved in designing a MPLS network liaising with other ISP’s and part of the network team for IP deployment.
• Experience in trouble shooting of Cisco VOIP system and its protocols like SIP, MGCP and H.323
• Debugging and troubleshooting of VOIP call basics and involved in configuration of VOIP system at customer end
• Testing and troubleshooting of layer1 circuit and layer 2 devices and WAN connections establishment and protocol debugging
• Experience in WAN connectivity using Cisco routers by using T1, T3 and frame relay connections and the its troubleshooting issues.
• Liaising with ISP’s in related to circuit problems and raising tickets and with Remedy ticketing system and relating remedy to HP openview system
• Monitor the ticket queue for incoming tickets, Update tickets in accordance to Service Level Agreement requirements and, escalate based on severity levels using Remedy
• Troubleshooting of Routers, Installing and Configuration of Cisco Multi Layer Switches like 3550
• Involved in trouble shooting of Nortel switches for traffic load balancing across all links using SMLT protocol with IST operation
• Configuration and troubleshooting of VLAN’s and Inter VLAN routing, CISCO, and Spanning Tree configuration and Trunking with 802.1q
• Worked and troubleshoot on the Cisco routers like 2500, 2600 and 3600
• Have knowledge and worked on switches like 1900, 2900, 2950 and 3500XL
• In depth understanding and configuration of PPP (PAP, CHAP), PPP fragmentation and ATM for LLU – use of VPI/VCI switching paths

Confidential,Pune, India Feb’07 –May’08
Network Support Engineer
Responsibilities:

• To assist clients with installing VPN client software and monitor VPN traffic and connections
• Deployment of OSPF dynamic routing NOC engineering network routers, previously running RIP and Static routes
• Closely monitor VPN service functionality based on two Cisco PIX 525 Firewalls and VPN accelerator card for high speed services
• Monitoring the Network condition using SNMP protocol about the WAN connection, Switch status, printer server, and controlling projectors and other equipment remotely and used FIX protocol for finance transactions
• Have good theoretical knowledge on QOS with queuing like WFQ, WRR and DWRP and Multicasting
• Deployment of OSPF dynamic routing in the network routers, removal of old RIP routing and static route environment
• Worked on IGRP and EIGRP implementations for client on global locations and interacting with them about the circuit status

Tier-2 Network Engineer

• Provide Technical support to end-user either through remote management or onsite based on the requirement.
• Installation of windows active directory for the creation of users and groups and assigning policies based users application
• Hands on experience on Windows server installation components like DNS,DHCP, Active directory and ISA application for load balancing on the servers
• Familiar with Remedy trouble ticketing system and the escalation of issues from level 1 through level 3 assignment in the NOC operation
• Trouble Shoot routers, Testing Data Circuits E1, ISDN lines,
• Using Local Management Interface (LMI) involved in monitoring VC’s (Virtual circuits) status and network congestion using FECN and BECN for Frame rely topology
• Experience on configuration of routing protocols like EIGRP, OSPF multiple areas
• Network monitoring of LAN/WAN using tools like snort, snortsnarf and ping tools.
• Maintenance of Cisco AAA server database and deployed AAA authentication, authorization and accounting to all Cisco devices

Education:
B.Tech in Computer Science and Engineering