PROFESSIONAL SUMMARY

• Excellent problem solving and debugging skills with good verbal/written communication and presentation skills
• Well experienced in troubleshooting and optimizing performance in CISCO based routers and switches. Have worked in NOC environment for more than 5 years.
• Specialize in VoIP traffic analysis and designing VoIP networks for small MSPs.
• Extensive knowledge in developing test plans, procedures, and testing Various LAN/WAN Products and Protocols.
• Experience in configuration Voice over IP VOIP .
• Network management using Syslog, Packet Sniffers, SNMP etc.
• Expertise in implementation and troubleshooting of protocols such as STP, RSTP, PVST, HSRP and VRRP
• Extensive knowledge of deploying and troubleshooting L2/L3, TCP/IP, Multilayer Switches
• In-depth knowledge of implementing, configuring and troubleshooting Routing Protocols Static Routing, EIGRP, OSPF, BGP
• Hands-on experience with complex routed LAN and WAN networks, Cisco Routers, Switches and Juniper Routers
• Extensive experience in Designing, Implementing and Troubleshooting Service Provider Networks and Enterprise Networks.
• Administration and diagnostics of LAN and WAN with in-depth knowledge of TCP/IP, NAT, PPP, ISDN and associates network protocols and services.
• Expertise in installing, configuring, and troubleshooting of Cisco Routers 3800, 3600, 2800, 2600, 1800, 1700, 800
• Expertise in installing, configuring, and maintaining Cisco Switches 2900, 3500 ,3700 series, 6500 series
• 7 years of experience in Designing, Implementing and Troubleshooting Service Provider Networks and Enterprise Networks and Network administration, implementation, design and troubleshooting Seeking a challenging and interesting opportunity in computer/network engineering which enables me to maximize my technical and managerial skills.
• Extensively worked on Cisco catalyst 6509 and implemented VSS along with VDC and VPC on Nexus 5505, 7009 switches.
• Hands on experience on vendor platforms such as Cisco, Juniper routers and switches, F5 load balancers, Checkpoint Firewall, Cisco ASA and Cisco PIX firewalls.
• Protocols Awareness: OSPF, EIGRP, RIP, BGP, HSRP, ACL, VTP, NAT/PAT, CDP, SSH, HTTP, HTTPS, NTP, SNMP, ARP, STP 802.1D , SNMP, DNS DHCP.
• Hands on Knowledge/experience on F5 load balancers, its methods, implementation and troubleshooting on LTMs and GTMs.
• Cisco ASA Firewall troubleshooting and policy change requests for new IP segments that either come on line or that may have been altered during various planned network changes on the network.
• Extensive Knowledge on the implementation of Cisco ASA 5500 series firewalls.
• Hands on experience working with Cisco Nexus 7K, 5K 2K Switches.
• Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP Ether channel, STP, RSTP and MST.
• Experience in configuring HSRP and redistribution between routing protocols troubleshooting them.
• Extensive knowledge of deploying troubleshooting TCP/IP, Implementing IPv6, Translation from IPv4 to IPv6, Multilayer Switching, UDP, Ethernet, Voice Data Integration techniques.
• Created and design network layout and documented network system design with detail information using Visio software. Vendor co-ordination for hardware issues and assessment management.
• In-depth knowledge and hands-on experience on IP Addressing, Sub netting, VLSM and ARP, reverse proxy ARP, Ping Concepts.

TECHNICAL SKILLS

PROFESSIONAL EXPERIENCE

Sr. Network engineer

Responsibilities:

• Involved in complete LAN, WAN development including IP address planning, designing, installation, configuration, testing, maintenance etc. .
• Involved in Switching Technology Administration including creating and managing VLANS's, Port security, Trunking, STP, Inter Vlan routing , LAN security etc.
• Implemented with Cisco Layer 3 switches 3750, 4500, 6500 in multi VLAN environment with the use of inter-VLAN routing, HSRP, ISL trunk, ether channel.
• Used Cisco routers, switches, Access Points, Concentrators for implementation and management purpose.
• Configured IP, EIGRP and OSPF in routers. Configured and installed multi-protocol IP, IPX multi-interface Cisco routers.
• Experience working with Cisco Nexus 2148 Fabric Extender and Nexus 5000 series to provide a Flexible Access Solution for datacenter access architecture.
• Experience configuring Virtual Device Context in Nexus 7010
• Configuring RIP, OSPF and Static routing on Juniper M and MX series Routers
• Provide Tier III Level Load Balancer expertise on F5 BigIP Local Traffic Managers LTM . Designing F5 solutions/support for migration work of applications and websites from Cisco CSS Load Balancers to the F5 BigIP Load Balancers.
• Responsible for Checkpoint firewall management and operations across our global networks.
• Working with Checkpoint Support for resolving escalated issues.
• Configuring VLAN, Spanning tree, VSTP, SNMP on EX series switches
• Once trouble ticket has been created keep customer informed of status of ticket and estimated time to repair.
• Coordinating with service providers for WAN link outages.
• Checking and configuring Cisco 7600 and 7200 routers at data center for remote sites' issues.
• Working on Cisco 6509 and 4507 series switches for LAN requirements that include
• Upgraded and updated Cisco IOS from 12.3T to 12.4. Used to DHCP to automatically assign reusable IP addresses to DHCP clients.
• Used PIX Firewall and ACLs for authentication of EIGRP to ensure high security on the network.
• Configured Cisco 7200 routers which were also connected to Cisco PIX 535 security appliances providing perimeter based firewall security.
• Used load balancers ACE and load balancing technique with multiple components for efficient performance and to increase reliability through redundancy.
• Involved in migration from Frame-Relay/ATM network to MPLS-based VPN for customer's WAN infrastructure.
• Used Network monitoring tools to ensure network connectivity and Protocol analysis tools to assess and pinpoint networking issues causing service disruption.
• Environment: Cisco routers 7200, IOS 12.4 switches 3750, 4500, 6500 RIP, OSPF, EIGRP, VLAN, DHCP, DNS, MPLS, ISDN, DSL, T1 Lines.
• Optimized performance of the WAN network consisting of Cisco 3550/4500/6500 switches by configuring VLANs.
• Experience with configuring Nexus 2000 Fabric Extender FEX which acts as a remote line card module for the Nexus 5000.
• Configuring ASA 5510 Firewall and accept/reject rules for network traffic.
• Adding and removing checkpoint firewall policies based on the requirements of various project requirements.
• Extensive knowledge and troubleshooting in data communication protocols and standards including TCP/IP, UDP, IEEE 802.3, Token Ring, Cable Modem, PPPOE, ADSL, Multilayer Switching, DoD standards.
• Managed the F5 BigIP GTM/LTM appliances to include writing iRules, SSL offload and everyday task of creating WIP and VIPs.
• Other responsibilities included documentation and supporting other teams.

Environment:Cisco3750/3550/3500/2960switchesandCisco3640/12000/7200/3845/3600/2800 routers,CiscoASA5510,Checkpoint,OSPF,BGP,VLAN,HSRP,LAN,WAN,IPV4,ASAFirewall,Checkpoint,Nexus 7K/5K/2K

CONFIDENTIAL

Sr.Network Engineer

Responsibilities:

• Responsible for implementing, supporting, and maintaining 24x7 network services.
• Coordinated efforts with Engineer's to ensure all network devices conformed to defined network standards.
• Provided installation and initial user configuration of NEXUS 7K switches at the Data Center and providing IP addressing and different user session priorities on the switch.
• Gained hands on experience with VLSM, STP, VTP, VLAN Trunking.
• Managed the F5 BigIP GTM/LTM appliances to include writing iRules, SSL offload and everyday task of creating WIP and VIPs
• Provided Load Balancing towards access layer from core layer using F5 Network Load Balancers
• Designed IP Addressing schemes, VLAN tables and Switchport assignments, Trunking and Ether-channel implementation.
• Maintained core switches, creating VLAN's and configuring VTP.
• Performance monitoring of various applications and web servers to maintain quality of service and network stability.
• Support, monitor and manage the IP network.
• Troubleshoot connectivity issues involving VLAN's, OSPF, QoS etc.
• Configured and maintaining Cisco 7200, 4400, 5000 and 6500 platforms.
• Configured and troubleshooting HSRP, BGP, OSPF, EIGRP, MPLS WAN, QoS and Route Maps.
• Extensively worked on Nexus 5k and 7k, configured and troubleshot.
• IP Distribution for existing devices and new devices as they were added.
• Change management, monitoring network performance with network tools.
• Managed and developed network projects designed to strengthen network continuity and deploy security elements in an attempt to meet and exceed contract requirements, including system analysis and troubleshooting.
• Applied access lists and NAT configurations based on implementation guidelines.
• Installed and set up Cisco routers and switches according to deployment plans.
• Primary responsibility is to design and deploy various network security High Availability products like Checkpoint , Cisco ASA other security products
• Prepared and maintained documentation using MS Visio.
• Worked with vendors and Engineering team to test new hardware and procedures.
• Preformed maintenance on equipment as necessary, performing device upgrades, modification of configurations, password changes and diagnostic testing.
• Cisco ASA/Checkpoint Firewall troubleshooting and policy change requests for new IP segments that either come on line or that may have been altered during various planned network changes on the network.
• Route configuration and point code checks for System Technician and Network Technician.
• Knowledge and experience of 802.11 a/b/g/n Ethernet standard for wireless Technology.
• Worked with other team members in testing of the network architecture.
• Worked on Cisco Routers, Active /Passive Hubs, Switches, Cisco PIX Firewall, NOKIA Firewalls, Nortel VPN Concentrators TCP/IP, NAT and Checkpoint ESX/GSX firewall.
• Participated in quality system implementation project.
• Implemented, configured redundancy protocols HSRP, VRRP, GLBP for Default Gateway Redundancy.
• Implementing, configuring, and troubleshooting various routing protocols like RIP, EIGRP, OSPF and BGP etc.
• Performing network monitoring, providing analysis using various tools like WireShark, Solarwinds etc.
• Responsible for Cisco ASA firewall administration, Rule Analysis, Rule Modification.
• Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500.
• Experience in migration of VLANS.
• Installed various network hardware including concentrators, bridges, and hubs to establish communication connections with remote locations.

Environment: Cisco4400/7200/3900/7600 Routers, Cisco3650, 6800/6500/3560 Switches. RIP, OSPF, BGP, EIGRP,

LAN, WAN, CISCO ASA 5500, Checkpoint, HSRP, VRRP, GLBP, VLAN, QoS, Wireshark, Solarwinds.

CONFIDENTIAL

Sr.Network Engineer

Responsibilities:

• Optimized performance of the WAN network consisting of Cisco 3550/4500/6500 switches by configuring VLANs.
• Coordinated efforts with Engineer's to ensure all network devices conformed to defined network standards.
• Configured various Routing protocols such as RIP, OSPF, EIGRP, static routing.
• Maintaining Core Switches, creating VLANs and configuring VTP.
• Optimized performance of the WAN network consisting of Cisco 3550/4500/6500 switches by configuring VLANs.
• Performed redistribution with OSPF, EIGRP, RIP version 1 and 2 to enable communication with backbone.
• Troubleshooting of Cisco 2900, 3900, 6500, 7500, 7200 Series routers.
• Configured static NAT, dynamic NAT, dynamic NAT overloading.
• Back up a Cisco IOS to a TFTP server and Upgraded and restored a Cisco IOS from TFTP server.
• In-depth expertise in the implementation, optimization, troubleshooting and documentation of LAN/WAN networking systems.
• Responsible for designing, implementing and troubleshooting temporary infrastructures for Live Webcasting Events
• Experience with moving data center from one location to another location, from 6500 based data center to Nexus based data center.
• Involved in F5 BIG IP LTM administration, familiar with enterprise level traffic managers like 6800, 3600, 1600,3400 series
• Experience with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with both Checkpoint and Cisco ASA VPN experience
• Involved in updating the VIP's for pools and pool members, updating iRules for the URL created in the new DNS entry
• Upgrade Cisco Routers and Switches IOS using TFTP
• Installed and configured Cisco IP Phone 794x, 796x, 7937's and IP Communicator
• Creating dedicated VLANs for Voice Data with QOS for prioritizing VOICE over DATA
• Installation and management of overall administration of LAN, WAN, systems involving design of network layouts, configuration and maintenance, Commissioning Routers Switches, firewalls, IPS and ensuring maximum uptime during site deployment to VoIP.
• Configuring and adding, moving, removing of various IP phones like 7941, 7961, and 7971
• Knowledge on VOIP protocols like H.323, RTP, SIP and good understanding about VOIP devices.
• Packet capturing, troubleshooting on network problems with Wireshark, identifying and fixing problems
• Performing network monitoring, providing analysis using various tools like WireShark, Solarwinds etc.
• Implementation and configuration of F5 Big-IP LTM-6400 load balancers
• Responsible for Cisco ASA firewall administration across our global networks

Environment:Cisco3550/4500/6500switches,Cisco2900/3900/6500/7500/7200routers,F5LoadBalancer,ASA,

Checkpoint, VOIP,IP Phone, OSPF, BGP, RIP, EIGRP, LAN, WAN, CISCO IOS.

CONFIDENTIAL

Network Engineer

Responsibilities:

• Migration of RIP V2 to OSPF, BGP routing protocols.
• Configured EIGRP for Lab Environment.
• Implemented ISL and 802.1Q for communicating through VTP.
• Working with Client teams to find out requirements for their Network Requirements.
• Designing solutions for frozen requirements using Cisco Routers and Switches.
• Deploying the network infrastructure to meet the requirements.
• Created VLAN and Inter-Vlan routing with Multilayer Switching.
• Documenting and Log analyzing the Cisco ASA 5500 series firewall
• Monitor performance of network and servers to identify potential problems and bottleneck.
• Performed administrative support for RIP, OSPF routing protocol.
• Maintained redundancy on Cisco 2600, 2800 and 3600 router with HSRP.
• Real time monitoring and network management using Cisco Works LMS.
• Provided technical support on hardware and software related issues to remote production sites.
• Responsible for LAN and internet connection file and print server.
• Maintained and installed new internet connections for customers.
• Handled installation of Windows NT Server and Windows NT Workstations.
• Handled Tech Support as it relates to LAN WAN systems

Praveen Technologies, Hyderabad, India Jul 2007 to Sep 2009

Network Engineer

Responsibilities:

• Spearheaded meetings discussions with team members regarding network optimization and regarding BGP issues.
• Configured BGP for CE to PE route advertisement inside the lab environment
• Documenting and Log analyzing the Cisco PIX series firewall
• Hands on Experience working with security issue like applying ACL's, configuring NAT and VPN
• Used various scanning and sniffing tools like Wire-shark
• Involved in troubleshooting of DNS, DHCP and other IP conflict problems
• Provide Tier1 technical support assist users facing network problems. Perform advanced troubleshooting, diagnostics and provide tier/level-1 solutions to network failures
• Network Migration from RIP to OSPF and EIGRP
• Network infrastructure support to routing and switching equipments
• Redistribute routing protocols and Frame-Relay configuration
• Design the layout for cable installations
• Involved in design and deploying various network security High availability products like Cisco ASA and other security products.
• Support customer with the configuration and maintenance of ASA firewall systems.
• Troubleshoot and resolved dynamic routing, Ethernet switching and host connectivity issues in a window and network environment
• Troubleshoot wiring problems and serial communication lines
• Develop, plan and maintain documentation necessary for operation in support of LAN to WAN connectivity
• Configured 2600, 2900 and 3600 routers with RIP and EIGRP.
• Implemented VTP and Trunking protocols like 802.1q and ISL on cat 3560, 3750 and 4500 switches.
• Installation, Maintenance, Troubleshooting Local and Wide Areas Network ISDN, Frame relay, NAT, DHCP, TCP/IP .
• Configuration of Access List ACL Std., Ext, Named to allow users all over the company to access different applications and blocking others.
• Configured STP for loop prevention and VTP for Inter-VLAN Routing.
• Providing Network and Security Architecture and Operations support services for Windows 2008 based web, application and database servers.
• Troubleshoot TCP/IP problems troubleshoot connectivity issues in multi-protocol Ethernet, Environment.