SUMMARY

• Cisco Certified Network Associate and Cisco Certified Network Professional (Route) with 8 years of extensive hands - on experience in IP network integration, deployment and troubleshooting.
• Worked on Cisco 7200, 3800, 3600, 2800, 2600 series Routers and Cisco 2900, 3500, 4500, 6509 series switches.
• 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, RIP, OSPF, BGP, and EIGRP.
• Handled Load Balancing using F5 Networks.
• 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 in configuring Virtual Local Area Network (VLAN), spanning tree protocol (STP), VLAN Trunking Protocol (VTP), Dynamic Trunking Protocol (DTP), Per VLAN spanning Tree (PVST) and 802.1x authentication in access layer switches.
• Expert Level Knowledge about TCP/IP and OSI models.
• Cisco ASA/Checkpoint Firewall troubleshooting and policy change requests for new IP segments that either come on line or that may have been altered during various planned network changes on the network.
• Having knowledge and hands-on experience on IP Addressing, Sub netting, VLSM and ARP, reverse & proxy ARP, Ping Concepts.
• Excellent knowledge and understanding of MPLS VPN for both IPV4 and IPV6 and configuration of both VPNV4 and VPNV6 VRF instances.
• Enhanced level of experience with Layer 2 and Layer 3 networking configuration and troubleshooting.
• Good knowledge of CISCO NEXUS data center infrastructure with 5000 and 7000 series switches includes (5548, 7010) including CISCO NEXUS Fabric Extender (223, 2248)
• Excellent leadership with good written and oral communication.
• Great team player and able to work under pressure 24x7 duty rotation.

TECHNICAL SKILLS

Hardware: Cisco Routers(2600, 2800, 3640, 3700, 3825, 7200, 7204, 7206), Cisco Switches(2900, 2924, 2950, 3550, 5500, 6500, 6509, 6513), Cisco PIX 500 series, CSU’s/DSU’s, Catalyst 6500, 7600, 4500, Juniper M320 and T640 routers.

LAN Technologies: VTP, Inter-Vlan routing, STP, RSTP, PVST, 802.1x, TCP/IP, Trunks, Ethernet channel.

Network Security: NAT/PAT, VPN, Filtering, IPSec, ACL.

Routing Protocols: RIP, RIP 2, IGRP, EIGRP, OSPF, BGP, HSRP

Routed Protocols: TCP/IP, IPX/SPX

Infrastructure Services: DHCP, DNS, SMTP, FTP, TFTP

Operating Systems: Windows Vista/XP/NT/2003/2008/, MS DOS, UNIX, Linux, Mcintosh

Comm. Protocols: Wi-Fi, WiMax, CDMA, 3G

Protocol analyzers: OPNET, Wireshark

Languages/ Tools: C, C++, Java, Pl/sql

Internet Security & Anti-Virus: Symantec, MacAfee, e-trust & Trend-Micro.

PROFESSIONAL EXPERIENCE

Confidential, OK

Sr. Networking Engineer

Responsibilities:

• Designed, Installed and configured LAN, WAN management, Internet and network security and configuration of Cisco Catalyst switches 6500, 4000 and 3750 series and routers according to the Network Design.
• Configured routing protocol OSPF, EIGRP, BGP. Configuration of port channel between core switches and server distribution switches was performed.
• Worked on Cisco Secure Access Control Server (ACS) for Windows to authenticate users that connects to a VPN 3000 Concentrator. Router/ Microsoft VPN Server in order to access certain limited network resources from customer locations
• Configuring, Installing and troubleshooting on Check Point Devices.
• Involved in the redistribution into OSPF on the core ASA firewall.
• Implemented Hot Standby Router Protocol (HSRP) by tuning parameters like preemption.
• Experience on HSRP for load balancing.
• Experience of Load Balancing using F5 Networks Big IP
• Involved in the removal of EIGRP from all devices and making OSPF the primary routing protocol.
• Good Knowledge on multiplex techniques such as DWDM.
• Experience configuring Virtual Device Context in Nexus 7010.
• Experience with configuring Virtual Server and Configuring Load balancing methods in F5 LTM.
• Realignment and modification of BGP from the MPLS routers.
• Expertise on FTP, HTTP, DNS, DHCP servers in windows server-client environment with resource allocation to desired Virtual LANs of network.
• Working experience on trouble shoot and network security related to Cisco ASA/PIX, Checkpoint,
• IDS/IPS and Juniper Netscreen firewalls.
• Designed L2VPN services and VPN-IPSEC authentication & encryption system.
• Tuned BGP internal and external peers with manipulation of attributes such as metric, origin and local Preference.
• Design and Implementation of LAN, VLANs, VTP, Spanning Tree (STP), Trunking and Ether channel.
• Installed and configured four PIX 525 and two ASA 5505 in the remote access location away from the central campus.
• Configured 3 PIX firewall for the Guest access.
• Responsible for turning up BGP peering and customer sessions, as well as debugging BGP routing problems.
• Key contributions include troubleshooting of complex LAN/WAN infrastructure that include routing protocols EIGRP, OSPF & BGP.
• Experience with Synchronous Optical Networking (SONET) over optical fiber.
• Expertise in document creation with technical configurations, billing, security standards design and network documentation using MS Visio.
• Configured Multiprotocol Label Switching (MPLS) VPN with Routing Information Protocol (RIP) on customer’s site.
• Challenging maintenance of day to day management of Cisco Devices, Traffic management and monitoring.
• Configured networks using routing protocols such as RIP, OSPF, BGP and manipulated routing updates using route-map, distribute list and administrative distance for on-demand Infrastructure.
• Configured Multiprotocol Label Switching (MPLS) VPN with Routing Information Protocol (RIP) on the customer’s Site.

Environment: CISCO catalyst Switch 6509/ 3750/ 3550/ 3500 , CISCO Router 7200/3845/3600 , T1 Controllers, DS3 Lines (T3 Lines), Fiber and Ethernet cabling, Juniper firewalls SRX series, SSG series, ISG series, Juniper networks- switches EX 4600, EX 6200, EX 8200, EX 9200, EIGRP, RIP, OSPF, BGP, VPN, MPLS, CSM, SUP720.

Confidential, MA

Sr. Network Engineer

Responsibilities:

• Network design of gigabit Ethernet which includes Cisco nexus 7000 series switches environment, configuration and implementation of NGX firewall and Cisco 3600 series routers.
• Working experience in Virtual Device Context in Nexus 7010.
• Performed upgrading of load balancers from Radware to F5 BigIPv9 load balancer to improved functionality, reliability and scalability in the system.
• Managed the F5 BigIP GTM/LTM appliances to include writing iRules, SSL offload and everyday task of creating WIP and VIPs
• Configuring and implementing routing protocols such as RIP, OSPF and Static routing on JuniperM and MX series Routers.
• Configured Virtual Chassis for Juniper switches EX-4200,Firewalls SRX-210
• Expertise knowledge on Cisco Layer 3 switches.
• Design and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls
• Management in the routing protocols of EIGRP, OSPF and BGP at the customer location.
• Designed and Implemented network design using TCP/IP.
• Worked on FTP, HTTP, DNS, DHCP servers in windows server-client environment with resource allocation to desired Virtual LANs of network.
• Management of a very large DNS environment using Lucent QIP.
• Worked in the management of DNS for DMZ/External servers manually.
• Monitored the network transmission using Cisco Works 2000 and Wireshark.
• Configuring and implementing VPN Tunnels using IPSec encryption standards.
• Troubleshoot, maintenance of Juniper switches and SRX Firewalls.
• Troubleshoot and technical support for Global wide area network consisting of Multi-Protocol label switching MPLS, VPN and point-to point site.
• Working experience of upgrading NX-OS to version 6.1 on the cisco Nexus 7010.
• Worked on HSRP/VRRP for load balancing.
• Installation, configuration and troubleshoot of Cisco wireless network, Wireless LAN controllers.
• Worked on Data, VoIP, security as well as wireless installations and technologies
• Management, Installation, configuring and troubleshooting of Proxy, DHCP, DNS, RAS, VPN and Linux servers.
• Experience in migration of Frame-relay based branches to MPLS based technology using multi-layer stackable switch like 6500 series and 2800 series router.
• Working experience with Network management software NSM.
• Worked in supporting nationwide LAN infrastructure consisting ofCisco4510 and catalyst 6513
• Experience in connecting Ethernet ports and different connection medium such as fiber optics and copper cables.

Environment: CISCO 7200/3845/ 0 routers, Fluke and Sniffer, CISCO 6509/ 3750/ 3550/ 50 switches, Checkpoint firewalls(SPLAT), Net flow, TACACS, EIGRP, RIP, OSPF, BGP, VPN, MPLS, CSM, SUP720.

Confidential, WI

Sr. Network Engineer

Responsibilities:

• Implementing and maintenance of network design, structure, up gradation and configuration of routers and switches at the client server for 400+ users.
• Worked using routing protocols EIGRP and BGP based company network for resolving level 2 and 3 issues.
• Implementing and configuring Static, RIP and OSPF protocols on Juniper M and Cisco Routers.
• Performed troubleshooting and management of OSPF and BGP protocols on routers.
• Maintaining redundancy on Cisco 2600, 2800 and 3600 router with HSRP.
• Worked in JUNOS platform and with IOS upgrade of Juniper devices.
• Worked on IP addressing based on subnetting and Variable Length Subnet Mask.
• Supporting customers with the configuration and maintenance of PIX and ASA firewall systems.
• Monitoring the routing traffic using Cisco 2000 and Wireshark.
• Supported clients with the configuration and maintenance of PIX and ASA firewall systems.
• Configuring Spanning tree, VSTP, VLAN, SNMP on EX series switches.
• Providing technical support in LAN and WAN connectivity and hardware issues in the complex network system.
• Creation of documentation and reporting tools using SQL codes, MS- Word, Excel, Access, SQL
• Server Integration Services (SSIS) and SQL Server Reporting Services (SSRS)
• Configure Multi-protocol Label Switching (MPLS) on Cisco IOS XR Software
• Connecting various routing and switching devices with CAT 5/ 5E cabling.
• Provided Tier2 LAN and WAN operational support to network call center, supporting the remote, domestic and international offices.

Environment: CISCO 3750/3550/3500/2960 switches and CISCO 12000/ 7200/3845/3600 routers, CISCO ASA5510, Checkpoint. Juniper firewalls 5GT, 208, SSG 5, 140, 550, 550M, NSM, IDS/IPS, Vulnerability Assessment tools like Nessus, Red Hat, Solaris, Juniper VPN’s, SSL.

Confidential, NJ

Network Engineer

Responsibilities:

• Worked onCiscoLayer 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.
• Supported networks, which are comprised of 200+Ciscodevices.
• 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 ofCisco4510 and catalyst 6513.
• Deployed the switches in high availability configuration with HSRP.
• Configured port-fast, uplink fast and other spanning tree features.
• Support various Series ofCiscoRouters like Support Complex 0 Series Switches.
• Worked on Cisco Routers Models# and ISR model; NetworkMonitoring using tools likeCiscoWorks 2000.
• Created Lab demonstrations for new technology deployments with loaner equipment from various vendors and presented the findings to upper management.
• Troubleshootnetworkproblems using Packet Analysis tools

Environment: CISCO 3550/4500/6500 switches and CISCO 2500, 2600, 3000, 6500, 7500, 7200 routers, checkpoint.

Confidential

Network Engineer

Responsibilities:

• Upgrade Cisco 7200, 3600 Router IOS Software, backup Routers and Catalyst 3560, 4500 switch configurations.
• Support 24x7 operations and answer calls from the customers on network emergencies and resolve issue.
• Install and manage Cisco Catalyst 3500XL, & 2960 series Switches and Cisco 1800, 3900 series routers
• Hands on Experience in Inter-vlan routing, redistribution, access-lists and dynamic Natting
• Log messages using Syslog server and analyze the issues related to high CPU utilization and parameters that can degrade performance of the network
• Involved in all technical aspects of LAN and WAN projects including, short and long term planning, implementation, project management and operations support as required
• Conduct through analysis, problem solving, and infrastructure planning
• Provide assistance to Network Manager and serve as Secondary Network support.
• Troubleshoot and fix any backup and monitoring systems related issues in conjunction with Systems team and external vendors.

Environment: Cisco 1800/3900/7200/3600 routers, Natting, 3560/4500 switches.

Confidential

Network Support Engineer

Responsibilities:

• Upgrade Cisco 7200, 3600 Router IOS Software, backup Routers and Catalyst 3560, 4500 switch configurations
• Support 24x7 operations and answer calls from the customers on network emergencies and resolve issues.
• Install and manage Cisco Catalyst 3500XL, & 2960 series Switches and Cisco 1800, 3900 series routers
• Hands on Experience in Inter-vlan routing, redistribution, access-lists and dynamic Natting
• Log messages using Syslog server and analyze the issues related to high CPU utilization and parameters that can degrade performance of the network
• Involved in all technical aspects of LAN and WAN projects including, short and long term planning, implementation, project management and operations support as required
• Conduct through analysis, problem solving, and infrastructure planning.
• Provide assistance to Network Manager and serve as Secondary Network support.
• Troubleshoot and fix any backup and monitoring systems related issues in conjunction with Systems team and external vendors

Environment: CISCO 2600, 2800 and 3200 series routers, CISCO 3300 and 2950 switches.