PROFESSIONAL SUMMARY:

• CCNP certified - 6+ years of professional experience in Network Designing, Deployment, Configuring, Troubleshooting and Testing of networking system
• Experience in Internetworking with devices such as routers, firewalls and switches
• Expertise in Routing- Layer 3, Switching - Layer 2
• Working with Cisco for opening TAC Case and resolving issues to meet project deadlines.
• Experience with designing, deploying and troubleshooting LAN, WAN, Frame-Relay, Ether-channel, IP Routing Protocols - (RIPV2, OSPF, EIGRP & BGP), ACL's, NAT, VLAN, STP, VTP, HSRP & GLBP
• Experience in Configuration of Layer 3 Switches and Routers, IP Addressing, Sub netting, VLSM, FLSM, IP address management
• Extensive experience in Implementing and administering Cisco and HP Technologies
• Good experience of TCP/IP fundamentals, Frame Relay, MAN, MPLS, V-SA
• Experience in Cisco ISE’s, SNMP tools (HP - Intelligent management center, Solarwinds, Wireshark)
• Excellent working knowledge of TCP/IP protocol suite and OSI layers
• Good knowledge and experience in Installation, Configuration and Administration of Windows Servers 2000/2003, Active Directory, FTP, DNS, DHCP, TFTP, Linux OS under various LAN and WAN environments

TECHNICAL SKILLS:

Cisco & other vendor equipment’s: Nexus 7K, 5K, 2K & 1K, Cisco routers (7200, 3800, 3600, 2800, 2600, 2500, 1800 series) & Cisco Catalyst switches (6500, 4900, 3750, 3500, 4500, 2900 series). PIX Firewall (506/515/525/535), ASA Firewall (5505/5510), Cisco ACE Load Balancers

Routing Protocols: RIP, IGRP, EIGRP, OSPF, IS-IS, BGP, HSRP, VRRP & GLBP

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

LAN technologies: Ethernet, Fast Ethernet, Gigabit Ethernet and 10 Gigabit Ethernet, Port- channel, VLANS, VTP, STP, RSTP, 802.1Q

WAN technologies: Frame Relay, ISDN, ATM, MPLS, leased lines & exposure to PPPDS1, DS3, OC3, T1 /T3 & SONET

Network Security: NAT/PAT, Ingress & Egress Firewall Design, VPN ConfigurationDynamic, Reflexive ACL, and authentication AAA (TACACS+ & RADIUS)

Network Management: SNMP, Cisco Works, Wire shark

Platform: Cisco IOS-XR, Cisco Cat OS, Cisco IOS (11.x, 12.x), PIX IOS (6.x, 7.x), CAT-OS UNIX, LINUX

Windows: XP, NT, 2000, 2003

Programming: C, C++, HTML

Documentation: MS Office, MS Visio

PROFESSIONAL EXPERIENCE

Confidential, Naperville, IL

Network Engineer/Administrator

Responsibilities:

• Experience working with ASR 9000 series switches with IOS-XR
• Experience working with design and deployment of MPLS Layer 3 VPN cloud, involving VRF, Route Distinguisher(RD), Route Target(RT), Label Distribution Protocol (LDP) & MP-BGP
• Experience with design and configure Fiber Channel over Ethernet(FCoE) on Cisco Nexus 5548 devices.
• Experience working with migration from 6500 series devices to 4500 Series switches in Campus deployments Confidential Core, Distribution and Access Layers.
• Experience with LAN protocols like STP, RSTP, MST, VTP, VLAN and Port Channel Protocols like LACP, PAGP
• Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500 with ACL, NAT, Object Groups, Failover, Multi-Contexts
• Experience with migrating from Cisco ASA 8.2 version to Cisco ASA 8.4 Version
• Responsible for Cisco ASA firewall administration across our global networks
• Migration of existing IPSEC VPN tunnels from one Data Center to another Data Center, due to decom of existing Data Center, which involved working with Partner Companies.
• Experience with converting WAN routing from EIGRP/OSPF to BGP (OSPF is used for local routing only) which also involved converting from Point to point circuits to MPLS circuits.
• Enabled STP attack mitigation (BPDU Guard, Root Guard), using MD5 authentication for VTP, disabling all unused ports and putting them in unused VLAN
• Key contributions include troubleshooting of complex LAN/WAN infrastructure that include routing protocols EIGRP, OSPF & BGP
• Responsible for managing activities, Upgrading IOS - Upgrading hardware and installing new devices, Tuning (Configuration), make standardization for the topology
• Configured, installed, & managed DHCP, DNS, & WINS servers
• Provide front end on-call network support 24x7x365 for all network infrastructures in the co-operation

Confidential, Minnetonka, MN

Network Engineer/Administrator

Responsibilities:

• Involved in design and implementation of Data Center Migration, worked on implementation strategies for the expansion of the MPLS VPN networks
• Experience converting Cat OS to Cisco IOS on the Cisco 6500 switches
• Designed MPLS VPN and QoS for the architecture using Cisco multi-layer switches.
• Cisco IOS experience on 3600/7200 class hardware in complex WAN environment and experiencen Cisco OS and IOS on CAT6500 in Confidential complex data center environment.
• Configuring IP, RIP, EIGRP, OSPF and BGP in routers.
• Experience in deploying EIGRP/BGP redistribution and the changing the metrics for the primaryand backup Paths for the packet prioritization and EIGRP tuning.
• Experience in migration of Frame-relay based branches to MPLS based technology using multi-layer stackable switch like 6500 series and 2800 series router.
• Configured OSPF over frame relay networks for NBMA and point to multipoint strategies.
• Implementing traffic engineering on top of an existing Multiprotocol Label Switching (MPLS) network using Frame Relay and Open Shortest Path First (OSPF).
• Implemented the concept of Route Redistribution between different routing protocols
• Switching related tasks included implementing VLANS, VTP, STP and configuring on Fast Ethernet
• Monitored all Cisco equipment’s using Cisco Works
• Installed and configured the Cisco routers 2800 in two different customer locations. It includes coordinating with Verizon and Confidential &T in order to bring the serial interface up for T3 link. Also, configuration includes frame relay, BGP and VPN tunnel on GRE
• VLAN Configurations, troubleshooting and Firewall ACLs and Object-Groups configuration and support
• Configured IPsec site-to-site VPN connection between Cisco VPN 3000 Concentrator and Cisco 3800

Confidential, Burlington, NC

Network Analyst

Responsibilities:

• Involved in Managing IBM Network in US and Canada, and also providing Network Support.
• Handling the Incident/Change management related issues and work towards Confidential resolution.
• Responsible for providing real time network resolution to the customers in case of critical network failure.
• Responsible for implementation of network analysis and monitoring tools.
• Involved in attending severity one calls for critical network issues.
• Actively participating in resolving internet and intranet related network issues.
• Bandwidth analysis and reporting.
• Involved in Monitoring, managing & troubleshooting the IBM Network devices.
• Involved in Maintaining Entire IBM US/Canada network.
• Responsible for Coordinating with WAN team.
• Cisco Secure Access Control Server (ACS) for Windows to authenticate users that connects to Confidential VPN 3000 Concentrator.
• Scripting experience with Pearl.
• Configuring, Installing and troubleshooting on Check Point Devices.
• Good knowledge on Intrusion Detection and Intrusion Prevention System.
• Knowledge on multiplex techniques such as DWDM.
• Troubleshoot and Worked with Security issues related to Cisco ASA/PIX, Checkpoint, IDS/IPS and Juniper Netscreen firewalls.
• 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.
• Implemented Hot Standby Router Protocol (HSRP) by tuning parameters like preemption.
• Worked on FTP, HTTP, DNS, DHCP servers in windows server-client environment with resource allocation to desired Virtual LANs of network.

Confidential

Network Support Engineer

Responsibilities:

• Installed and configured Cisco ASA 5500 series firewall and configured remote access IPSEC VPN on Cisco ASA 5500 series
• Involved in troubleshooting of DNS, DHCP and other IP conflict problems
• Implementation of name resolution using WINS & DNS in TCP/IP environment
• Configured FTP server for inside/outside users & vendors
• Used various scanning and sniffing tools like Wire-shark
• Configured network access servers and routers for AAA Security (RADIUS/ TACACS+)
• Other responsibilities included documentation and change control
• Worked on Cisco routers 7200, 3800, 2800 and Cisco switches 4900, 2900
• Key contributions include troubleshooting of complex LAN/WAN infrastructure that include
• Configured Firewall logging, DMZs & related security policies & monitoring
• Creating Private VLANs & preventing VLAN hopping attacks & mitigating spoofing with snooping & IP source guard
• Responsible for Internal and external accounts and, managing LAN/WAN and checking for Security
• Implemented the security architecture for highly complex transport and application architectures addressing well known vulnerabilities and using access control lists that would serve as their primary security on their core & failover firewalls
• Installation & configuration of Cisco VPN concentrator 3060 for VPN tunnel with Cisco VPN hardware & software client and PIX firewall

Confidential

Network Technical Resolution Expert

Responsibilities:

• Confidential core-member of Network Operation Center-IP team
• Configured RIP and EIGRP on 2600, 2900 and 3600series Cisco routers
• Implemented VLAN and trucking protocols (802.1q and ISL) on 3560, 3750 and 4500series Cisco Catalyst switches and 19xx, 18xx, 26xx, 54xx HP Procuve/H3C/3 Com switches
• Upgraded the IOS on 1900, 2900, 3500 series Cisco Catalyst switches and 2500, 2600, 3600 series Cisco routers using HP - IMC
• Worked on installation, maintenance, and troubleshooting of LAN/WAN (Frame relay, NAT, DHCP, TCP/IP)
• Configured Access List (Standard, Extended, and Named) to allow users all over the company to access different applications and blocking others
• Configured STP for loop prevention for Inter-VLAN Routing
• Done troubleshooting of TCP/IP problems and connectivity issues in multi-protocol Ethernet environment
• Worked on network-based IT systems such as racking, stacking, and cabling
• Installation and configuration of Cisco and Dell Routers and Switches for IPVPN and MPLS VPN (L2 and L3 VPN), Internet Requirement with Leased Line, RF, Dialup, Metro Ethernet and ISDN as last mile
• Troubleshooting the Routing and Configuration Problems of the Managed Customers
• Coordinating with backbone/transmission team and international providers (ISPs) for major outages in their network
• Choose WAN services to meet customer requirements. MAN, Frame Relay, T1
• Uploading of Policies to Cisco Firewall/SonicWALL according to client’s service requirements
• Ensuring timely complaint resolution to achieve the set Metrics
• Documentation of Managed customer database such as IP addresses, passwords, interfaces, network diagram