SUMMARY

• 6+ years of experience in development, implementation, troubleshooting and maintenance of complex network systems.
• Expertise in IP subnetting and worked on designing and allocation of various classes of IP addresses.
• Proficient in configuration of routing protocols like EIGRP, OSPF multiple areas and BGP.
• Involved in designing L2VPN services and encryption system and other VPN with IPSEC based services.
• Experience on designing and troubleshooting of complex BGP routing problems.
• Involved in troubleshooting of DNS, DHCP and other IP conflict problems.
• Extensive experience taking copy of Cisco IOS on TFTP server and loading back on routers; knowledge on HP Open View software.
• Involved in monitoring network traffic and its diagnosis using performance tools like Snortsnarf, wire shark, ping tools, and packet player.
• Experience in Layer 3 routing and Layer 2 switching. Experienced dealing with router configurations like 7200, 7600 and switches 6500, nexus 3K, 5K and 7K.
• Experience testing Cisco routers and switches in laboratory scenarios and deploying them on site for production.
• Experience in setting up HSRP/VRRP. Knowledge over High Availability and tested failover in the network.
• Experience in turning IPSEC classic and GRE tunnels and troubleshooting issues related to them.
• Experience in turning up MPLS circuits and provided routing through EBGP.
• Configuring F5 load balancers and has good understanding about them.
• Knowledge on IPV6 subnetting.
• Knowledge on developing network design documentation and presentations using VISIO.
• Excellent communication and documentation skills and is able to work individually and as a team member.

TECHNICAL SKILLS

Routing Protocols: OSPF, IGRP, EIGRP, BGP, RIP - 2 & MPLS

Network Protocols: TCP/IP, SNMP, DHCP, DNS, FTP, TFTP.

Switching Technology: VLAN, VTP, STP & types of STP’s, Inter VLAN routing& ACE, Multi-Layer switching, and Multicast operations.

Router: Cisco 17XX, 18XX, 26XX, 28XX, 36XX, 72XX series and 4500/6500 series.

Switches: Cisco 1900, 2950, 3550, 3750, 45XX, 65XX, Nexus 3k, 5k

Load balancers: F5 and citrix netscalers

Lab Tools & S/W: Microsoft Visio, Microsoft Excel, Wireshark, Cricket Net

Programming Languages: SQL, HTML

PROFESSIONAL EXPERIENCE

Confidential, Virginia

Network Engineer

Responsibilities:

• Installation and Configuration of Cisco 4500 and 6500 series routers.
• Configure and resolve various OSPF issues in an OSPF multi area environment.
• Work extensively on various BGP attributes such as Local Pref, MED, Extended Communities, Route-Reflectors, Route-maps and route policy implementation
• Designed schemes for IP addressing, subnetting and routing policies using BGP/OSPF.
• Configured dynamic routes, static routes and source IP routes for intra-net access. The routing protocol used within the network was OSPF
• Responsible for Circuit Installation work, installation of new network devices, Copper & Fiber cabling inside Data Center for any team in network infrastructure.
• Troubleshot OSPF/BGP neighbor issues and followed standards in setting up OSPF and BGP neighbors.
• Prevented asymmetric routing issues by redistributing routes from BGP to OSPF with right metric values.
• Troubleshot intra-net and internet connectivity issues using PING, Traceroute
• Installing Cisco catalyst 4500, 4000 and configuring redundant and highly available system configuration using HSRP
• Configuring and maintaining Spanning tree topologies (RSTP) and testing the network response to link failure
• Responsible for providing Network diagram & document for all locations using Visio, Excel and Word.
• Working in Datacenter Networking using ACL concepts, QoS, IPRouting and LAN Switching.
• Experience with ASA Firewalls and ACE (Application Control Engine).
• Scheduled and carried out planned activity maintenance for persistent link problems to ensure optimal utilization of the links
• Configured VLAN, VTP and trunks for network segmentation.
• Configured IP routing changes in NAT router and L3 Switch on customer need basis.
• Analyzed power requirements for the routers and testing tools and setting up the same.

Confidential, Brooklyn, NY

Network Engineer

Responsibilities:

• Modified internal infrastructure by adding switches to support server farms and added servers to existing DMZ environments to support new and existing application platforms.
• Built site-to-site IPsec VPNs over Frame-relay & MPLS circuits on various models of Cisco routers to facilitate adding new business partners to new and existing infrastructures.
• Analyzed customer application and bandwidth requirements, ordered hardware and circuits, and built cost effective network solutions to accommodate customer requirements and project scope.
• Configuring, Maintaining the Routers and Switches and Implementation of RIP, EIGRP, OSPF, BGP routing protocols and trouble shooting.
• Experience with Project data and voice documentation tools & experience with developing network design documentation and presentations using VISIO
• Troubleshooting the Network Routing protocols (BGP, EIGRP and RIP) during the Migrations and new client connections.
• Manage operational monitoring of equipment capacity/utilization and evaluate the need for upgrades; develop methods for gathering data needed to monitor hardware, software, and communications network performance.
• Ensures the project will achieve targeted dates to ensure business continuity. Involved in meetings with engineering teams to prepare the configurations according to the client requirement.
• Creating change tickets according to the scheduled network changes and implementing the changes.
• Implementing the firewall rules on ASA according to the Business Requirement and verification.
• Expertise in IPV4 subnetting and have a knowledge of IPV6.
• Involving in data center migrations from one data center to other.
• Involving in VPN (IPSEC and GRE) migrations and new designs for the clients.
• Creation of change tickets and implement according to the customer requirements.

Confidential, Oakland CA

Network Engineer

Responsibilities:

• Experienced with Cisco catalyst switches 5xxx, 4xxx, 29xx, 19xx and Cisco Routers 4000, 3600, 2600, 2500.
• Configured IP RIP, PPP, BGP and OSPF routing.
• Involved in design and implementation of Data Center Migration, worked on implementation strategies for the expansion of the MPLS VPN networks.
• Involved in the configuration & troubleshooting of routing protocols: BGP, OSPF, EIGRP, RIP and BGP.
• Configured and resolved various OSPF issues in an OSPF multi area environment.
• Configured and played with various BGP attributes such as Local Pref, MED, Extended Communities, Route-maps and route policy implementation.
• Created and delivered internal trainings for BGP.
• Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.
• Involved in IOS and CAT OS upgrade procedures and Pre/Post checks for customer production upgrades.
• Generating RCA (Root Cause Analysis) for critical issues of layer1/layer2/layer3 problems.
• Ability to analyze, configure and troubleshoot networks.
• Effective utilization of Cisco tools to take the right course of action.
• Effective written and verbal communication and interpersonal skills.
• Share information and communicates clearly to team member to achieve a common goal and to improve team effectiveness.
• Understanding network support center goals and objectives and Drive for continuous learning and teamwork