SUMMARY

• 7 years of Experience in Designing, Implementation and Troubleshooting of enterprise data networks as Network Engineer
• Experience in configuring Site - to-site and remote access VPN solutions.
• Good knowledge in configuration of Voice VLAN’s (VOIP), Prioritizing the voice traffic over the data traffic
• Provides technical leadership forproblem escalation and resolution.
• Experience on Cisco unified call manger
• Highly motivated with the ability to work independently or as an integral part of a team and Committed to highest levels of professional.
• Experience in installing and troubleshooting of WAN technologies like T1/T3, DS3,STM1, OC3, Gigabit and STM4 circuit types
• Strong hands on experience in installing, configuring, and troubleshooting of Cisco GSR 12404,12406,7600, 7200, 3900,3800, 3600, 2800, 2600, 2500, ASR 1000 and 1800 series Routers, Nexus 7000,5000&2000,Cisco Catalyst 6500, 4500, 3750, 2950 and 3500XL series switches.
• Well experienced in configuring gateway redundancy protocols like HSRP, VRRP, GLBP, PPP and SNMP.
• Implemented traffic filters using Standard and Extended access-lists, Distribute-Lists, and Route Maps.
• Enterprise Routing experience using protocols RIP v1 & 2, EIGRP, OSPF and BGP, MPLS VPNS
• 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
• Worked on network topologies and configurations, TCP/IP, UDP, Frame Relay, Token ring, ATM, bridges, routers, and Switches.
• Enterprise LAN Switching with VLANs, Trunks, Spanning Tree Protocol, Port Spanning etc.
• Configured Security policies including NAT, PAT, VPN, Route-maps, Prefix Lists and Access Control Lists.
• Experience with change management process and project documentation tools like Excel Configuration scripts, VISIO

TECHNICAL SKILLS

Routing: OSPF, EIGRP, BGP, RIP-2, PBR, Route Filtering, Redistribution, SummarizationStatic routing

Switching: VLAN, VTP, STP, PVST+, RPVST+, Inter VLAN routing & Multi-Layer Switching

Routers: Cisco 17XX, 18XX, 26XX, 28XX, 37XX, 38XX, 39XX &72XX, 76XX series, GSR 12XX

Switches: Cisco 3550, 3750, 3900, 45XX, 65XX series, Nexus 7000, 5000, 2000

Firewalls: ASA 5XXX

Load Balancer: F5 Networks

WAN Optimization: Cisco WAAS, PPP Multilink

LAN: Ethernet, Fast Ethernet, Gigabit Ethernet, FDDI, CDDI, Token Ring, ATM LAN Emulation

WAN: Leased lines 64k - 155Mb (PPP / HDLC), Channelized links (E1/T1/E3/T3), Fiber Optic Circuits, Frame Relay, ISDN, OC3, OC12Various Features & Services IOS and Features, HSRP, GLBP, NAT, SNMP, SYSLOG, NTP, DHCP, CDP, DNS, TFTP FTP Management. Packet Sniffer, Packet Analyzer and Solar Winds

Signaling Protocols: SIP, H.323, MGCP and SCCP

AAA Architecture: TACACS+, RADIUS, Cisco ACS.

PROFESSIONAL EXPERIENCE

Confidential, Irving, TX

Sr. Network Engineer

Responsibilities:

• Experience working with data center deployment where we converted from Cisco 6500 to Nexus.
• Experience working with Cisco Nexus 7K to set up OTV between the data center
• Experience with configuring FCOE using Cisco nexus 5548.
• Experience working with Juniper devices like EX-2200,EX-4200, EX-4500, MX-480, M Series, SRX650, SRX240
• Supporting EIGRP, OSPF and BGP based network by resolving level 2 & 3 problems of internal teams & external customers of all locations
• Experience with configuring BGP, OSPF in Juniper M and MX series routers
• Experience with setting up IPSEC VPN on Juniper SRX 3600 Firewalls towards the multiple Customer
• Experience working with F5 LTM and GTM in data center
• Experience working with Converting Cisco Confidential load balancer to F5 Load Balancer.
• Experience working with Nexus 7010/Nexus 7018, 5020, 2148, 2248 devices
• Experience with configuring Nexus 2000 Fabric Extender (FEX) which acts as a remote line card (module) for the Nexus5000
• In F5 I did configure Virtual Servers, Configure Nodes, and configuring the load balancing Pools and also used to work with configuring load balancing algorithms.
• In F5, I also did configured Session based persistence and I have leant configuring writing i-Rules for specific redirection purpose and also i-rules for persistence
• Experience working with Cisco Nexus2148 Fabric Extender and Nexus5000 series to provide a Flexible Access Solution for a datacenter access architecture
• Modified internal infrastructure by adding switches to support server farms and added servers to existing DMZ environments to support new and existing application platforms.
• Designed and installed new Branch network systems. Resolved network issues, ran test scripts and prepared network documentation.
• Performed switching technology administration including VLANs, inter-VLAN routing, Trunking, STP, RSTP, port aggregation & link negotiation.
• Configuration of Access List ACL (STD, Ext, Named) to allow users all over the company to access different applications and blocking others.
• Worked on F5 LTM series like 6400, 6800, 8800 for the corporate applications and their availability
• Dealt with creating VIP(virtual servers), pools, nodes and applying iRules for the virtual servers like cookie persistency, redirection of the URL
• Involved in configuring IP Quality of service (QoS)
• 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
• Primary responsibility is to design and deploy various network security & High Availability products lick Cisco ASA other security products
• Support customer with the configuration and maintenance of PIX and ASA firewall systems
• Worked on Extensively on Cisco Firewalls, Cisco PIX & ASA 5500(5510/5540) Series
• Experience with Firewall Administration, Rule Analysis, Rule Modification
• Experience configuring VPC(Virtual Port Channel), VDC(Virtual Device Context) in Nexus 7010/7018
• Ensure problems are satisfactorily resolved in a timely manner with focus on providing a high level of support for all customers.
• Coordinating with service providers for WAN link outages.
• Experience in Configuring, upgrading and verifying the NX-OS operation system
• Responsibilities also include technical documentation of all upgrades done. Attending meetings and technical discussions related to current project.
• Used Solar winds Orion for backing up device configurations and monitoring bandwidth

Confidential, Baskin Ridge, NJ

Sr. Network Engineer

Responsibilities:

• Experience in migration of Frame-relay based branches to MPLS based technology using multi-layer stackable switch like 6500 series and 2800 series router
• Configuring HSRP between VLANs, Configuring Port Channel on 6500 catalyst switches
• Applying crypto maps and security keys for the branches, ISAKMP (Internet security association key management protocol) for establishing Security associations (SA) cryptographic keys.
• Working on Network design and support, implementation related internal projects for establishing connectivity between the various field offices and data centers.
• Working knowledge with 10 gigabit Supervisor Engine 720 on 6500 catalyst switches
• 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
• Worked on commissioning and decommissioning of the MPLS circuits for various field offices.
• Handled SRST and implemented and configured the Gateways, Voice Gateways.
• Constructed dial plans in the Call Manager and also remotely troubleshot various implementation problems.
• Supporting EIGRP, OSPF and BGP based network by resolving level 1 &2 problems of internal Sites
• Providing daily network support for Global wide area network consisting of MPLS, VPN and point-to point site.
• Monitoring the NMS system for different Network Alerts.
• Support customer with the configuration and maintenance of PIX and ASA firewall systems.
• Extensively worked on Network management using SSH, Telnet, SNMP, and ICMP
• Configuring STP for switching loop prevention and VLANs for data and voice along with Configuring port security for users connecting to the switches.
• Configure and support NATs, access-lists, and routing on Cisco routers, firewalls, and layer 2 and layer 3 switches.
• Involved in L2/L3 Switching Technology Administration including creating and managing VLANs, Port security, Trunking, STP, InterVlan routing, LAN security.
• Worked on the security levels with RADIUS, TACACS+.
• Configuring and managing Cisco IP Communicators and hard phones Client infrastructure for the end users
• Administering the Video Conf equipments supported by ATT TelePresence & Tandberg devices
• Configuring and managing WebEx and Movi Client infrastructure for the end users
• Implementing and Maintaining Network Management tools (Fluke Network, Nortel ENMS, JFFNMS, SNMP, MRTG, and NMIS )

Confidential, Atlanta, GA

Network Engineer

Responsibilities:

• Experienced in Planning and Organizing Change Managements.
• Understand the JUNOS platform and worked with IOS upgrade of Juniper devices
• Maintenance/updating of Networks diagrams
• Maintenance & Monitoring Base station infrastructure
• Commissioning of New Links By coordinating with BSO.
• Ensure standard Router and Switch Configurations are maintained
• Worked on Network Operations using Ticketing system using SIFY TAC
• Monitoring the NMS system for different Network Alerts
• Coordinating with service providers for WAN link outages.
• Performed switching technology administration including VLANs, inter-VLAN routing, Trunking, STP, RSTP, port aggregation & link negotiation.
• Responsibilities also include technical documentation of all upgrades done.
• Attending meetings and technical discussions related to NOC changes.
• Worked on commissioning the STM 4 links on GSR Router 12404 and 12406.
• 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 and execution of installation and configuration of VPN/IVPN, LAN/WAN as per organizational requirements.
• Responsible for Capacity planning, Contingency planning & disaster recovery.
• Carryout periodic backup of Router/Switch configurations.
• Planning and Implementing New Infrastructure in the Data Center.
• Analyzing the Bandwidth Utilization of the Links.
• Timely Escalations within SIFY and to Services providers.
• 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.
• Equipment Installation /Removal in the NOC.

Confidential

Network Engineer

Responsibilities:

• Involved in configuration and management of different Layer 2 switching tasks which includes address learning, efficient switching etc.
• Involved in HSRP standby troubleshooting and load balancing protocol GLBP, Port channel management of the network
• Provisioning and troubleshooting Ethernet services, Gigabit networks and Connectivity issues with WAN types (T1, E1, DS3, and Frame relay) data circuit debugging.
• Experience MPLS connectivity using VRF id and have broad knowledge on multi-protocol label switching for (MPLS-VPN) and traffic engineering (MPLS-TE)
• Configured firewall filters, routing instances, policy options, on Juniper m320 an d T640
• Dealt with the escalation problems from Level1, Level 2 & Level 3 for routing, switching and WAN connectivity issues using ticketing system Remedy.
• Designed VLAN’s, access lists (ACL), troubleshooting IP addressing issues and Updating IOS images and other hardware installations
• Experience in troubleshooting VLAN, STP (Spanning tree protocol), & Switch Trunk and IP subnet issues
• Dealt with NAT configuration and its troubleshooting issues related access lists and DNS/DHCP issues within the LAN network.
• Involved in Configuration of Access lists (ACL) on checkpoint firewall for the proper network routing for the B2B network connectivity.
• Experience in routing protocols like OSPF, BGP, and standby protocols like HSRP and VRRP application in the routers

Confidential

Network Engineer

Responsibilities:

• Configuring and troubleshooting multi-customer ISP network environment.
• Involved in network monitoring, alarm notification and acknowledgement.
• Implementing new/changing existing data networks for various projects as per the requirement.
• Installed wireless access points (WAP) at various locations in the company.
• Configured EIGRP for Lab Environment.
• Maintained redundancy on Cisco 2600, 2800 and 3600 router with HSRP.
• Managing the service request tickets within the phases of troubleshooting, maintenance, upgrades, fixes, patches and providing all-round technical support.
• Monitor performance of network and servers to identify potential problems and bottleneck.
• Deploying the network infrastructure to meet the requirements.
• Installing operating systems, software and hardware on computers.
• Troubleshot the issues related to routing protocols.
• Provided technical support on hardware and software related issues to remote production sites.