Qualification Summary

• 7 years of IT experience in design, development, implementation, troubleshooting and maintenance of complex Networking devices as well as Network Security.
• Expertise in network protocols, Firewalls and Communication Network design.
• In-depth Cisco technology experience/knowledge in design, implementation, administration and support.
• Strong hands on experience in installing, configuring , and troubleshooting of Cisco 7600, 7200, 3800, 3600, 2800, 2600, 2500 and 1800 series Routers, Cisco Catalyst 6500, 4500, 3750, 2950 and 3500XL series switches.
• Well Experienced in configuring protocols HSRP, GLBP, VRRP, ICMP, IGMP, PPP, HDLC, PAP, CHAP, and SNMP.
• Worked on Load Balancer F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability.
• Primary responsibility is to design and deploy various network security High Availability products like Cisco ASA and other security products.
• Proficient in Cisco IOS for configuration troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4, MPLS.
• Involved in troubleshooting of DNS, DHCP and other IP conflict problems.
• Hands on experience in configuring and supporting site-to-site and remote access Cisco, IPsec, VPN solutions using ASA/PIX firewalls, Cisco, VPN client in addition to providing TACACS and RADIUS services.
• Expertise in implementation of IP addressing schemes includes VLSM and IP services to meet medium level enterprise level network requirement
• Experience working with Nexus 7K, 5K, 2K devices.
• Experience with configuring Nexus 2000 Fabric Extender FEX , which acts as a remote line card module for the Nexus 5000.
• Experience in designing MPLS VPN and QoS for architecture using Cisco multi-layer switches.
• Configuring BGP/OSPF routing policies and designs, worked on implementation strategies for the expansion of the MPLS VPN networks.
• Responsible for Check Point and Cisco ASA firewall administration across global networks.
• Experience in working with Cisco Nexus Switches and Virtual Port Channel configuration.
• Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP, Ether channel, STP, RSTP and MST. Implementation of HSRP, VRRP for Default Gateway Redundancy.
• Experience in testing Cisco routers and switches in laboratory and deploy them on site production.
• In-depth knowledge and hands-on experience in Tier II ISP Routing Policies, Network Architecture, IP Subnetting, VLSM, TCP/IP, NAT, DHCP, DNS, GigE circuits, Firewalls.
• Strong knowledge of TACACS , RADIUS implementation in Access Control Network.
• Experience in Designing and assisting enterprise wide Network Security and High Availability Solutions for ASA.
• Switching tasks include VTP, ISL/ 802.1Q, IPsec and GRE Tunneling, VLAN, Ether Channel, STP RSTP.
• Strong hands on experience in installing, configuring, and troubleshooting of Cisco 7600, 7200, 3800, 3600, 2800, 2600, 2500, and 1800 series routers, Cisco Catalyst 6500, 4500, 3750, 2950, and series switches.
• Hands on experience on F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability.
• Excellent qualities such as Teamwork, Negotiation, Analysis and Communication.
• Experience with change management, incident management and familiarity with ITIL policy

Core Competencies

• Network Configuration: Advanced switch/router configuration Cisco IOS access list, Route redistribution/propagation .
• Routing Protocols: IGRP, EIGRP, OSPF, BGPv4, MP-BGP
• WAN Protocols: HDLC, PPP, MLPPP
• Circuit switched WAN:T1/E1 T3/E3/OCX Channelized, Fractional full .
• Packet Switched WAN:ATM, FRAME RELAY, MPLS VPNs
• Security Technologies: Cisco FWSM/PIX/ASDM, Nokia Checkpoint NG, Juniper SRX
• Cisco Routers: Cisco GSR 12416, 12418, Cisco 7200vxr, Cisco 3640, Cisco 3600
• Redundancy and management: HSRP, RPR, NSF/NSR
• Physical interfaces: Fast Ethernet, Gigabit Ethernet, Serial, HSSI, Sonet POS
• Layer 2 technology: VLAN, VTP, VMPS, ISL, dot1q, DTP, Spanning-tree, PVST
• Layer 3 Switching: CEF, MLS, Ether Channel
• QOS: CBWFQ, LLQ, WRED, Policing/Shaping.
• Switches: Catalyst 6500, MSFC, MSFC2, 7600, 3700, 3500
• Operating Systems: Microsoft XP/Vista/7, UNIX, Linux
• Applications: ASDM, HPSM, Solarwinds, QRadar, NCM, Netscout, Infoblox, Algosex, Matlab, C, C , Microsoft Visio, Word and Excel.

PROFESSIONAL EXPERINCE:

Confidential

Network Engineer

Responsibilities:

• Design, deployment and maintenance of enterprise networks and datacenters
• Worked extensively in configuring, Monitoring and Troubleshooting Cisco's ASA 5500/PIX security appliance, Failover, DMZ configuring VLANs/routing/NAT.
• Experience in working with Nexus 7010, 5548, 5020, 2148, 2248 devices.
• Experience in configuring vdc, fex pinning, fex port-channel, port-channel, peer keep alive, peer link.
• Implementing and Maintaining Network Management tools OPAS, Solar Winds, Cisco Works
• Enabled STP attack mitigation BPDU Guard, Root Guard , using MD5 authentication for VTP, disabling all unused ports and putting them in unused VLAN and ensuring DHCP attack prevention where needed
• Experience with migrating the Partner IPSEC VPN tunnels from one data center to another data center.
• Experience with deploying the Layer 3 MPLS VPN in all the Branches and Campus locations.
• Replace Campus Cisco 6509 End of Life hardware with new 4507/4510 devices.
• Provided redundancy in a multi homed Border Gateway Protocol BGP network by tuning AS-path.
• Involved in the modification and removal wherever necessary of BGP from the MPLS routers.
• Configuring IPSEC VPN Site-Site to Remote Access on SRX series firewalls.
• Responsible for Checkpoint firewall management and operations across our global networks.
• Working with Checkpoint Support for resolving escalated issues and replace branch hardware with new 2851 routers and 2960 switches.
• 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.
• Experience with configuring Nexus 2000 Fabric Extender FEX which acts as a remote line card module for the Nexus 5000.
• Responsible for turning up BGP peering and customer sessions, as well as debugging BGP routing problems.
• Designed, validated and implemented LAN, WLAN WAN solution to suite client's needs.
• Configured and designed LAN networks with Access layer switches such as Cisco 4510, 4948, 4507 switches.
• Designed and configured the commands for QoS and Access Lists for Nexus 7K and 5K.
• 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.
• Involved in designing and implementing QOS and policy map to 2800 series routers for all the branches.
• Experience with Project documentation tools implementing and maintaining network monitoring systems and experience with developing network design documentation and presentations using VISIO.
• Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500/PIX security appliance, Failover, DMZ zoning, Configuring VLANs/routing/NATing with the firewalls as per the design.
• Design and implementation of GET VPN architecture used for multicast and unicast communication on an existing IP VPN.
• Decommission serial T3 circuits and replace with MPLS circuits. MPLS clouds were provided by carriers ATT, Verizon or Level 3.
• Experience Branch Relocation: Connect workstation, servers, etc. Rack and stack Pre-configured new hardware and connect the circuits. Work with Carrier to test and turn-up circuits
• Experience in design and implementation of new branch/New Campus test and turn up.
• Experience on designing and troubleshooting of complex BGP and OSPF routing problems.

Confidential

Network Engineer

Responsibilities:

• Providing training and technical support for users with varying levels of IT knowledge and competence
• Suggesting and providing IT solutions to business and management problems.
• Upgraded Multi Chassis Ether-channel links to 10 GE links
• Maintain a thorough understanding of the basics behind the Internet and its workings DNS, Security, IP Routing, HTTP, VPN, Email Routing, SPAN, etc.
• Analyzing and resolving faults, ranging from a major system crash to a forgotten password.
• Configure VRRP GLBP and VLAN Trunking 802.1Q, STP, Port Security on Catalyst 6500 switches.
• Upgrading WAN link using PPP Multilink and by implementing Cisco WAAS.
• Experience configuring Virtual Device Context in Nexus 7010
• Experience working with Cisco Nexus 2148 Fabric Extender and Nexus 5000 series to provide a Flexible Access Solution for datacenter access architecture.
• Worked extensively in configuring, Monitoring and Troubleshooting Cisco's ASA 5500/PIX security appliance, Failover DMZ zoning configuring VLANs/routing/NATing with the firewalls as per the design.
• Providing daily network support for national wide area network consisting of MPLS, VPN and point-to point site.
• Performed switching technology administration including VLANs, inter-VLAN routing, Trunking, STP, RSTP, port aggregation link negotiation.
• Checking and configuring Cisco 7600 and 7200 routers at data center for remote sites' issues.
• Once trouble ticket has been created keep customer informed of status of ticket and estimated time to repair.
• Configuring VLAN, Spanning tree, SPTP, SNMP on EX series switches
• Designing F5 solutions/support for migration work of applications and websites from Cisco CSS Load Balancers to the F5 BigIP Load Balancers.
• Provided Tier III Level Load Balancer expertise on F5 BigIP Local Traffic Managers LTM .
• Hands on experience on multiple Network management tools like RSA eVision, QRADAR, ALGOSEC and NCM.
• Experienced on migrating Cisco PIX to the Cisco ASA firewall solution.
• Configured Cisco 6500 sup 720 , 4500 SUP 6 3750 Catalyst Switches for network access. Worked extensively on Cisco Firewalls, Cisco PIX 525 ASA 5500 5510/5520/5540/5580 Series.
• Worked on multiple projects related to Branch networks, Campus networks, extranet clients and Data Center Environments involving in data center migrations from one data center to another.
• Involved on ASA code upgrade from 8.0 and higher.
• Configured, maintained, and troubleshoot different flavor of routers and switches with hands on CAT-OS.
• Working on port open request based on the business requirement.
• Negotiate VPN tunnels using IPSec encryption standards and also configured and implemented site-to-site AND Remote VPN networks.
• Network Cabling, dressing, labeling and troubleshooting various network drops onsite.
• Coordinating with service providers for WAN link outages.

Confidential

Network Engineer

Responsibilities:

• Responsible for service request tickets generated by the helpdesk in all phases such as troubleshooting, maintenance, upgrades, patches and fixes with all around technical support.
• Updated the HP open view map to reflect and changes made to any existing node/object.
• Handled SRST and implemented and configured the Gateways, Voice Gateways.
• Configuring HSRP between the 3845 router pairs for Gateway redundancy for the client desktops.
• Configure VRRP GLBP and VLAN Trunking 802.1Q ISL, STP, Port Security on Catalyst 6500 switches.
• Negotiate VPN tunnels using IPSec encryption standards and also configured and implemented site-to-site VPN, Remote VPN.
• Monitoring the NMS system for different Network Alerts.
• Working with incident queue and request queue as well as support business 24X7, with on-call rotation.
• Configuring STP for switching loop prevention and VLANs for data and voice along with Configuring port security for users connecting to the switches.
• Ensure Network, system and data availability and integrity through preventive maintenance and upgrade.
• Involved in L2/L3 Switching Technology Administration including creating and managing VLANs, Port security, Trunking, STP, Inter-Vlan routing, LAN security.
• Worked on the security levels with RADIUS, TACACS .
• Completed service requests i.e. IP readdressing, bandwidth upgrades, IOS/platform upgrades, etc
• Identify, design and implement flexible, responsive, and secure technology services
• Modified internal infrastructure by adding switches to support server farms and added servers to

Confidential

Network Operations Engineer

Responsibilities:

• Responsibilities also include technical documentation of all upgrades done
• Attending meetings and technical discussions related to NOC changes.
• Monitoring the NMS system for different Network Alerts.
• Set up of distributed core LAN using Cisco 6500 series switches
• Coordinating with service providers for WAN link outages.
• Performed switching technology administration including VLANs, inter-VLAN routing, Trunking, STP, RSTP, port aggregation link negotiation.
• Network Cabling, dressing, labeling and troubleshooting various network drops onsite.
• Troubleshoot of Leased Lines like STM4, DS3, E1 Links, Metro, NLD ILD Services and RF links.
• Design, execution of installation and configuration of VPN/IVPN, LAN/WAN as per organizational requirements.
• Experienced in Planning and Organizing Change Managements.
• Maintenance/updating of Network diagrams.
• Worked on Network Operations using Ticketing system.
• Commissioning of New Links By coordinating with BSO.
• Ensure standard Router and Switch Configurations are maintained.
• Responsible for Capacity planning, Contingency planning disaster recovery.
• LAN Segments monitoring/Trouble shooting LAN related issues.
• Carryout periodic backup of Router/Switch configurations.
• Planning and Implementing New Infrastructure in the Data Center.
• Analyzing the Bandwidth Utilization of the Links.
• Troubleshooting on the devices by remote login to determine the RFO Reason for outage and RCA Root cause analysis to minimize the consequences of malfunctions.