SUMMARY

• Over 7 years of experience in IP network design, network integration, deployment and troubleshooting.
• Extensive knowledge of configuring and troubleshooting of Layer 3 Routing protocols RIP, IGRP, EIGRP, OSPF, EBGP, IBGP, ISIS and BGP and layer 2 protocols, VTP, STP and RSTP.
• Hands on experience in using Layer 2 technologies such as ATM/Frame Relay over Sonet Interfaces.
• Hands on experience in configuring High end routers like GSR 12000 series, 7500 series and Catalyst Switches like 7600, 6500, 4500 series.
• Experience in working with Cisco Nexus Switches and Virtual Port Channel configuration.
• Knowledge and configuration of HSRP, VLAN Trunking protocol, Spanning Tree Protocol (STP), Virtual Local Area Network (VLAN), Per VLAN Spanning Tree (PVST).
• Good knowledge of MPLS networks, LDP and MPLS VPNs.
• Experienced in trouble - shooting both connectivity issues and hardware problems on Cisco based networks.
• Good knowledge of IP Addressing, Subnetting, OSI and TCP/IP models.
• Configuring and Troubleshooting Route Redistribution between multiple OSPF protocols.
• Experience in Configuration and Support of LAN protocols on Cisco Switches (Layer2, Layer3 and Multi Layer).
• Experience in configuring and troubleshooting QoS Technologies like CBWFQ, LLQ, and WRED.
• Attending and resolving day- to-day operational issues with Tickets.
• Knowledge in Documenting and preparing the Process related Operational Manuals.
• Extensive knowledge of T1/T3, OC3, OC12, OC48, DSO, DS1, DS3, DS12, engineering and administration. Wide exposure to LAN/WAN setup, installation, configuration and commissioning of network devices. VLAN setup, configuration and troubleshooting.
• Act as a technical resource and provide network support. Troubleshoot variety of problems. Streamline and improve process to be quicker to market, ensure compliance and optimize operational efficiency. Identify opportunities for continued improvements of process to ensure maximum output.
• Used Microsoft Project to efficiently manage all the project resources.

TECHNICAL SKILLS

Cisco Routers: Cisco GSR 12000, 7600, 7500, 7200 VXR, 3800, 3700, 2800, 2600, 2500, 1800

Cisco Catalyst Switches: Catalyst 6500, 4000, 3550, 2900

IP Routing Protocols: BGP, OSPF, EIGRP, IGRP, RIP v1 & v2

MPLS: LDP, MPLS VPN

Load Balancing: Cisco ACE 4700 series

Firewalls: Cisco ASA 5500, Cisco PIX 500, checkpoint r60, checkpoint r65

LAN Switching: STP, Trunking, VTP, VLAN & Inter-VLAN routing, QOS

WAN/core: ATM, Frame-Relay, ISDN, PPP, HDLC

Optical infrastructure: SONET OC3-OC192, SDH, POS, PDH

IP Telephony: SIP, H.323, RTP, Voice Gateways, CCM, QoS

Quality of service: CBWFQ, RED/WRED

Ticketing software: Connect wise, Remedy system

Management software: Cisco works, What s up Gold, HP open viewer, Solar winds, ethereal

VOIP Devices: Cisco IP phones, Avaya

IPSEC/VPN Configuration: PIX to Router, Router to Router, PIX to VPN wildcard client, Router toVPN wildcard client, PIX to PIX, fully meshed configurations

Cabling: CAT 5, CAT 5e, CAT 6, CAT 6a

Scripting Languages: TCL/TK, Expect

Operating Systems: Windows Server 2008, Windows 7/Vista/XP/NT/2K/98, CATOS NEXUS OS, Cisco IOS-XR

PROFESSIONAL EXPERIENCE

Confidential, NYC, NY

Sr Network Engineer

Responsibilities:

• Performing troubleshooting on slow network connectivity issues, routing issues involves OSPF, BGP and identifying the root cause of the issues.
• Performed smart hand support by identifying the root cause of the hardware issues with switches, routers.
• Design, implementation and operational support of routing/switching protocols in complex environments including BGP, OSPF, EIGRP, Spanning Tree, 802.1q, etc.
• Configure Corporate, Wireless and Lab Devices which includes Bandwidth Upgrade, Adding New Devices, Decom the Devices, Testing( Pilot ).
• Worked on Aruba Wireless LAN Implementation for 11n Infrastructure Across the Corporate Network.
• Implementation of network, which includes configuration of routing protocols, Leased lines, ISDN lines, vlans, IOS installations.
• Troubleshoot the Network Issues onsite and remotely depending on the severity of the issues
• Familiar with various MSIT Tools to check Networking Connectivity, Testing, Configuration and Adding or Removal of IP address blocks.
• Deploying and decommissioning the VLANs on core ASR 9K, Nexus 7K, 5K and its downstream devices.
• Handled Brocade devices used for data storage and networking.
• Performed OSPF, BGP, DHCP Profile, HSRP, IPV6, Bundle Ethernet implementation on ASR 9K redundant pair.
• Performing the ACL requests changes for various clients by collecting source and destination information from them.
• Experience in handling DNS which helps to assign IP address to various devices.
• Experience in creating MOPS (Method of procedures) and get approved from peers for performing configuration changes.
• Created Visio Documentation to give complete picture of network design for each building.

Environment: Cisco Routers, Cisco Switches, Routing protocols, HSRP, VRRP, IPSEC VPN, VPN, QOS,ASA firewall, Load balancer, VLANS, VTP, RSTP, ACL, NAT, IDS/IPS, Monitoring tools(Cisco works, HP Openview), RADIUS, TACACS+

Confidential, Chicago, IL

Network Engineer

Responsibilities:

• Configuring routing protocols OSPF, EIGRP, RIP, MPBGP, LDP and BGPV4.
• Configuring HSRP between VLANs, Configuring Ether-Channels, Port Channel on 6500 catalyst
• Switches Replace branch hardware with new 2851 routers and 2960 switches.
• Experience working JuniperT-Series, M-Series, MX-Series, J-Series Routers.
• Implemented WLAN Aruba Wireless Access Points and its Controllers at various corporate sites fort 11n Infrastructure and its legacy technologies.
• Experience in working with Cisco Nexus 5000 series switches for data center.
• 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.
• Convert Branch WAN links from TDM circuits to MPLS and to convert encryption from IPSec/GRE to GetVPN.
• Plan Design and assist in deploying enterprise wide Network Security and High Availability Solutions for ASA.
• Worked on Unix, Linux, and Windows Platforms and also involved in capacity planning of Network Maintenance.
• Experience with design and implementation of Data center migration at Accenture.
• Data center migration was involved in Access, Distribution and Core layers.
• Strong Knowledge in working with F5 Load Balancers and their Implementation in various Networks.
• Configuring various advanced features (Profiles, monitors, iRules, Redundancy, SSL Termination, Persistence, SNATs, HA on F5 BIGIP appliances SSL termination and initiation, Persistence, Digital s, Executed various migration/upgrade projects across F5 and hands on with F5 BIGIP LTMs/EM.
• Configured various BGP attributes such as Local P, MED, Extended Communities, Route-Reflector clusters, Route-maps and route policy implementation.
• Actively participated in upgrading fast Ethernet, Layer 3 switched/routed LAN infrastructure from Cisco 3640 to Cisco 2811 ISR routers and switches at access level to 2950, 3550.
• Converting CatOS to Cisco IOS Config Conversion on distribution layer switches.
• Configuring Vlan’s, VTP’s, enabling trunks between switches.
• Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.
• Configured various Router interfaces like ATM interface, T3 & Channelized T1 interfaces.
• Configuring and troubleshooting CISCO catalyst 6509, 7609, 7613 with Supervisor cards, Cisco 3640, Cisco GSR 12416, 21418 (with PRP and RPR processors).
• Created MOPS and get approval from peers to perform configuration add/ remove changes.
• Performed Configuration on ASR 9K Pairs includes HSRP, Bundle Ethernet Config, Assigning dhcp profiles.
• Wrote IOS and CAT OS upgrade procedures and Pre/Post checks for customer production upgrades.
• Excellent Troubleshooting Skills and Customer Centric approach.

Environment: Cisco 3750/3550/3500/2960 Switches and Cisco 3640/12000/ 7200/3845/3600/2800 routers, Cisco Nexus7K/5K, 2248/3560/5020/6509 , Cisco ASA5510, Checkpoint, Controllers 6000, 3600, 3400, 650

Confidential, San Francisco, CA

Network Engineer

Responsibilities:

• Conducted a thorough technology analysis as a complete upgrade of existing network which was required by the company.
• Involved in complete LAN, WAN development (Designing, installation, configuration, testing, monitoring etc).
• Administration and troubleshooting of 350+ nodes.
• Performed OSPF and BGP protocol administration and used redundancy protocols like HSRP, VRRP.
• Established IPSEC-VPN tunnels with ASA 5500 series Firewall between some branch offices & headquarters.
• Configured remote access VPN solutions (IPSec and SSL VPN).
• Creating dedicated VLANs for Voice & Data with QoS for prioritizing VOICE over DATA.
• Configured VOIP dial peers, IP phones for the company network using Cisco devices.
• Performed setting up and configuring load balancer ACE for efficient performance and to increase reliability through redundancy.
• Switching related tasks included implementing VLANS, VTP, RSTP and Port security.
• Implemented security measures using ACL and configured NAT according to the connectivity requirement.
• Participated in design and implementation of ipv4 Subnetting in office network.
• Worked on the security levels with RADIUS, TACACS+.
• Performed testing on Cisco routers and switches laboratory scenarios and deploy on site for production.
• Used monitoring tools such as Cisco works, HP Openview.
• Provided 24/7 rotational on call supports for branch offices.
• Generated RCA (Root Cause Analysis) for critical layer2/layer3 problems.
• Other responsibilities included support other teams, documentation and change control.

Environment: Cisco Routers, Cisco Switches, Routing protocols (OSPF, BGP), HSRP, VRRP, IPSEC VPN, SSL VPN, QOS,ASA firewall, IP Phones, ACE load balancer, VLANS, VTP, RSTP, ACL, NAT, Monitoring tools(Cisco works, HP Openview), RADIUS, TACACS+

Confidential, Denver, CO

Network Engineer

Responsibilities:

• Configuration and troubleshooting of High end GSR 12418, 12416, Cisco 7500 series routers and Catalyst 6500, 4500 switches
• Configured, managed and designed IP routing using a combination of static routing and dynamic routing protocols like BGP, OSPF, EIGRP, etc.
• Configured GSR routers, 7609, 7606 with OSPF and catalyst 6513, 4500 switches with various VLAN.
• Support and upgrade of engine 5 line cards with 10GiGe SPAs and SIP-400
• Configured VLANs, Private VLANs, VTP, dot1.Q Trunking on 6500 and 4500 series switches
• Scaling and testing of IGP and BGP in test lab using test tools such as Adtech/ IXIA AX4000, Agilent
• Configuration of BGP using attributes, route-map, prefix-list etc.
• BGP features such as load balancing, Route Reflectors, BGP metrics such as MED, AS Path, Local P, Communities used.
• Implemented various BGP techniques like Route Refresh, Peer Groups, Route flap damping.
• Configuring & testing various MPLS features such as Route RT, LDP/OSPF synchronization in core network.
• Used CBWFQ, LLQ based QOS policies for ingress policing and egress queuing. WRED for prioritizing traffic in queues.
• Configuring and troubleshooting type of routing to route traffic flow per customer requirement as primary, backup/load balanced, and load splitting.
• Manage large scale MPLS projects for major corporate clients which includes getting T1s, T3s and large BW circuits installed, working with vendors to ship equipment’s, installation of routers and switches, and work with customers to seamlessly migrate their network from other technologies to MPLS network and also troubleshoot backbone and customer router.
• Configuration and change management of edge routers.
• Troubleshoot OC-3, DS3, DS1, and ISDN connectivity issues.
• Coordinating with Vendor regarding Link status and reporting on timely bases to Superiors.
• Maintaining network uptime 99.96% as per SLA bases.
• Maintaining Network Documents, updating timely bases.
• Monthly basis of site upgrades, maintenance, Planned and implemented future installations of network equipment.
• Documentation and design of current and new installations.

Environment: Cisco 6509/ 3750/3550/3500/2950 switches, Cisco 7200/3845/3600/2800 routers, Checkpoint firewalls(SPLAT), Net Flow, TACACS, EIGRP, RIP, OSPF, BGP, VPN, MPLS, CSM, SUP720, Ether Channels, Fluke and Sniffer

Confidential, Alpharetta, GA

Network Support Engineer

Responsibilities:

• Worked on Cisco 7200, 7500, series routers and Cisco Catalyst 6506-E, 6509, 4500 series.
• Configured OSPF SPF/LSA throttling and MPLS LDP synchronization on core routers.
• Implemented, Monitoring, Troubleshooting and Convergence in Frame-Mode MPLS inside the core.
• Performed network monitoring and troubleshootingusing HP OpenView & Solarwinds.
• Trained and experienced in network performance and capacity management best practices.
• Worked on issues related to IP protocols like static, RIP, EIGRP (Variance and unequal cost load balancing) and OSPF.
• Worked on Gigabit Ethernet service related issues troubleshooting Catalyst 6500, 3560 switches
• Maintain effective communications with vendors, peers and clients in resolution of trouble-tickets, equipment RMAs, and support requests.
• Implemented BGP capabilities like ORF, Route refresh and Extended BGP communities.
• Configuration and trouble shooting of WAN circuits-Frame Relay, ATM.
• Implemented a fully redundant network architecture (LAN and WAN) using all Cisco
• Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.
• Worked on Issues related to VLAN, VLAN Trunking, HSRP failovers, related issues
• Used CBWFQ, LLQ based QOS policies for ingress policing and egress queuing. WRED for prioritizing traffic in queues.
• Involved in Monitoring of IP network performance against company service level agreements
• Ability to work as a Team member and produce Technical Documentation.
• Analyzed network requirements and participated in configuration and capacity planning.
• Troubleshoot and resolved specific problem issues.
• Day-to-day activities involved maintenance, upgradation and troubleshooting of Ethernet, Fast Ethernet, and Gigabit Ethernet LANs.

Environment: Cisco, Switches, Routers, Netflow, TACACS, EIGRP, RIP, OSPF, BGP, VPN, MPLS, CSM, SUP720, Ether Channels, Fluke and Sniffer.