SUMMARY

• Over 9 years of rich experience in IT industry
• Extensive experience in Network Architecture, Planning & Designing
• Extensive experience as Senior Network Engineer and System Engineer with Cisco, Microsoft and Linux Technologies
• Experience in LAN/WAN Network Support for TCP/IP based devices
• Experience in Cisco routers 12410 GSR, 7206 VXR 2600/2800/7200 series, 3560/3750/4500/6500 series switches. PIX 515/520, ASA 5500, NX 7K/5K/3K, WLC 5540,
• Experience in Internetworking with devices such as routers, firewalls and switches.
• Expertise in Routing - Layer 3, Switching - Layer 2
• Experience with configuration and troubleshooting of Cisco network
• Experience in LAN networking technologies (Spanning-Tree, HSRP, VRRP, GLBP)
• High proficiency with Routing Protocols (EIGRP, OSPF and BGP V4), Route Summarization, Route redistribution and policy map
• Experience in Configuration of Layer 3 Switches, routers and routers.
• Experience in IP Addressing, Sub netting, VLSM and CIDR.
• Good Experience in Layer 4/7 troubleshooting
• Experience in Layer 2 and Layer 3 protocols (i.e. TCP/IP, Ethernet etc.)
• Extensive experience in Implementing and administering Cisco Technologies.
• Experience in configuring Citrix load balancers.
• Good experience of TCP/IP fundamentals
• Good experience in MPLS, MPLS VPN, MPLS VRF, IPS/IDS, IPSEC/GRE
• Experience in CITRIX NETSCALERS NSMPX 7500/9500/21550
• Experience in Cisco ACE 4710
• Experience in Cisco ISE’s
• Good Knowledge in Brocade 6505
• Analyzing and troubleshooting network problems
• Experience in Windows/Linux DNS, DHCP Configuration and Troubleshooting.
• Proficient oral and written communication skills to effectively communicate with operations and other technical groups for training, troubleshooting and problem resolution closure, as well as keeping network documentation current
• Ability to effectively communicate with users and staff of all levels, as well as external vendors
• Good experience in e-commerce platform

TECHNICAL SKILLS

Network/Protocols: Active Directory, DNS, DHCP, POP3, SMTP, SNMP, FTP, TFTP, TELNET, VPN, ICMP, SMB, APACHE, GNOME, KDE, LDAP, TCP/IP, IPX/SPX, LAN/WAN, SAN, RIPv1/RIPv2, EIGRP, OSPF, BGP, IPsec, Multicast, Broadcast, ISDN, Frame Relay, DTE/DCE, VLSM, Ethernet, FastEthernet, Gigabit Ethernet, TenGigEthernet, IEEE 802.X, Token Ring, VLAN, VTP,STP, MSTP, PVSTP, ISL, OSI model, V.35, X.25, CDP, HDLC, PPP, Frame Relay, CHAP, PAP, NFS, NIS, VPCHardware Cisco ASR 1000/7300/3800/2800 series Routers, 2950/3560/3750/4500/6500/ series Cisco Switches, 5540/5550 Cisco ASA’s, 5500 Cisco WLCs, 3500 Cisco WAPs, Juniper mx80, Citrix Netscalers MPX 7500/9500/21550 , Cisco ACE 4710

Server Operating Systems: Windows Server 2003, 2007 and 2008, Red Hat LINUX, CISCO IOS 11.x/12.x Citrix Netscalers 9.3

Client Operating Systems: Windows XP / Linux

Software: IBM Tivoli Netview, Putty Connection Manager, GPS, eNOS, TSRM, Cisco Wireless Domain Controller. OPNET, HPNNMI, Cacti, Nagios

PROFESSIONAL EXPERIENCE

Confidential, San Bruno, CA

Advance Network Engineer - Build Team

Responsibilities:

• Involved in Network Review, Plan, Design and Troubleshoot in e-Commerce platform.
• Involved in Review/Modify/ Implement every day PROD and QA network changes.
• Involved in Troubleshooting Layer4/7 issues
• Worked on Citrix Netscaler and Cisco ACE 4710 load balancers
• Involved in Installation and Configuration of Citrix Netscaler and Cisco ACE 4710 load balancers.
• Hands-on experience with Nexus Platforms - 7K/5K/2K
• Involved with Network architect planning for different projects
• Involved in Design and implementing new branch sites
• Troubleshoot network issues for PROD Site.
• Deployed various network solutions in PROD site
• Coordinated with third party vendors and drive to resolution
• Developed complex global network reference architectures to meet changing business requirements as they occur
• Designed and deployed the reference model of those architectures in a global production environment
• Involved in Architect, design and deploy network availability, stability, performance and load monitoring systems
• Participated in an annual audit process to ensure all network infrastructure is architecturally compliant and adheres to Payment Card Industry Standards.

Environment: Cisco ASR 1000/7300/3800/2800 series Routers, 2950/3560/3750/4500/6500/ series Cisco Switches, 5540/5550 Cisco ASA’s, 5500 Cisco WLCs, 3500 Cisco WAPs, Juniper mx80, Citrix Netscalers MPX 7500/9500/21550 , Cisco ACE 4710, RedHat 5.x, Solaris 5.11, Nexus 7K/5K/2K

Confidential, Burlington, NC

Senior Network Analyst

Responsibilities:

• Involved in Managing IBM Network in US and Canada, and also providing Network Support.
• Handling the Incident/Change management related issues and work towards a resolution.
• Responsible for providing real time network resolution to the customers in case of critical network failure.
• Involved in attending severity one calls for critical network issues.
• Actively participating in resolving internet and intranet related network issues.
• Bandwidth analysis and reporting.
• Involved in Monitoring, managing & troubleshooting the IBM Network devices.
• Responsible for remote troubleshooting of devices like Switches and Routers.
• Solving problems of end-users in accessing intranet and internet.
• Troubleshooting 3500, 4500, 6500 catalyst switches and 7500 7600 Cisco Routers
• Installed and configured BIG IP F5 8800 load balancers
• Experience in troubleshooting with Cisco ACE 4700 series.
• Deployed Cisco Content Engine 507 for wccp
• Involved in Maintaining Entire IBM US/Canada network.
• Responsible for Coordinating with WAN team.

Environment: Cisco 3500, 4500, 6500 switches, 7500, 7600 routers Cisco aironet 1100/1200, PIX 520, ASA 5505 BIG IP 8800, Cisco ACE 4700

Confidential, TX

Senior Network Support Engineer

Responsibilities:

• Involved in Configuring Cisco 2800, 3700 and 7500 enterprise series routers.
• Involved in Configuring Routing Protocols like EIGRP, BGP, OSPF, MPLS and Multicasting.
• Configured Wan Technologies like ISDN, Frame Relay, PRI, OC and ATM Connections.
• Involved in Design and configuration of Cisco Infrastructure and Architecture with Core layer switch 6500 Series and Distribution Layers Switches 3750 & 3550 series.
• Implemented redundancy in network layers using HSRP, STP and VSS Technologies.
• Setup and troubleshooting of VPN IPSec tunnels, primarily on Cisco PIX/ASA firewalls.
• IP telephony support for Cisco Call Manager 4.2 (VOIP System).
• Site survey review, Site as-built review, Site installation instructions Set-up Windows Server 2000/2003 networks, installed operating systems, and relevant software.
• Setup of the LAN on IEEE 802.3, 802.3u and 802.11b standards with up-gradation of NOC infrastructures and Group companies Network solutions.
• Configuring Cisco WAP / Wi-Fi with 4400 Wireless Controller with Cisco Access Points.
• Configured, Maintained Syslog server and Network Management and Monitoring tool like, Solar Winds and Cisco Works.
• Performed network troubleshooting on a network that used TCP/IP LAN & WAN traffic.
• Upgrading IOS versions on Cisco Switches and Router through Cisco Network Assistance and TFTP.
• Engineering escalated support (i.e. hardware, network, cabling, mounting issues).
• Created Documentation and Visio Diagrams for End-Users.
• Performed Troubleshooting of IP protocol Confidential layer1, layer2 and layer3 of OSI model.
• Remote Infrastructure Management for client - RAMBUS.
• Managed Active Directory structure with DNS and DHCP.
• Load Balancing with BIG IP 8400 series
• Managed the LAN within the organization
• Involved in Mail Client configuration and Troubleshooting
• Mapping Network Printers, Managing Norton Antivirus Server & clients
• Updating security patches for operating system and various applications.
• Provisioning of client applications like Oracle, ROSIE and Rpath.
• Managing groups & working on Postini, checkpoint firewall.
• Troubleshooting VPN, Wi-Fi, Palm & Polycom devices
• Configuring and troubleshooting on Term servers via Exceed on Demand.

Environment: Cisco 2800, 3700 and 7500 Windows 2007, Linux Red Hat Enterprise 5.6, Polycom VTX1000, Exceed On Demand 8. Cisco VPN Client Treo 650/800

Confidential, Concord, CA

Networks and Security consultant

Responsibilities:

• Leading a group of people and managing the country-wide complex IP WAN and Frame Relay network of entire Confidential network. Major responsibilities handled
• Involved in Design and implementation of the WAN IP infrastructure using frame relay, T1/T3, DSL and ISDN backup technologies. Configured BGP4 peering with two different ISPs to provide redundant and load balanced Internet connectivity.
• Involved in Configuration of EIGRP and OSPF as interior gateway protocol with route filtering and route redistribution, installed and maintained Cisco 3600, 2600 and 7200 and 7600 series backbone routes with HSRP and various IGP routing protocols such as RIP, EIGRP, and OSPF
• Involved in Design and implement security policies using ACL, PIX firewall (515, 520) and provide intranet VPN solution using Cisco 2621 and IPSec Tunneling.
• Responsible for Network management and real-time monitoring using CiscoWorks 2000, Confidential Openview, Unicenter TNG Suite (RMON utility), SolarWinds and Sitescope
• Cisco and D-Link Wireless LAN configuration and deployment
• Involved in Design and implementation of the LAN IP infrastructure using layer2 / layer3 switching, VLAN, VTP, Spanning tree, Gigabit Ethernet and trunking / channeling technologies.

Environment: MLPP, Cisco 2600, 2800, 3600, 7200, 7600 series Routers, Confidential OpenView, Packet switching, Cisco IP Routing

Confidential

Network Engineer

Responsibilities:

• NOC Operations and management Confidential the country NOC in Chennai, India
• L3 support for troubleshooting the network overall the country
• Configuration of routers-switches in the entire network
• Operating NMS for all the SDH equipments in the network
• Channel provisioning, Bandwidth allocation for the connections
• Assisted other teams of engineers handling Cisco PIX, ASA, VoIP, Wireless Wifi & WiMax
• Change management and execution during planned outages
• In Bangalore, prepared backbone internet network by setting up Cisco GSR & 7200VXR routers, ECI multiplexers (XDM1000 & XDM100), Switches (Cisco Catalyst 3500) & STM line connectivity from VSNL
• Execution of Internet projects e.g. Metro Ethernet using CWDM technology. This includes implementation, commissioning & testing of the project

Environment: Cisco 12410 GSR,7206VXR, 3745 series, Cisco 3550, 3560, 3750 switches, Cisco PIX 515E, ASA 11500,VoIP, Wifi, WiMAX, ECI XDM1000, XDM100 SDH Multiplexers, CWDM

Confidential

Network Support Engineer

Responsibilities:

• Support for broadband Internet connection problem
• IP addressing and sub netting for private sub networks.
• Configure IP Addresses, subnet masks and gateway addresses on routers and hosts.
• VLSM and CIDR to improve routing
• Maintaining and troubleshooting our Uplinks and Customers connection.
• Monitoring & Troubleshooting WAN connectivity’s such as Leased Lines
• Development of an Access-list to meet user requirements such as filtering traffic.
• Configure a switch with VLANS and facilitate inter-switch communication.
• Implementation of Inter VLANS communication by use of a router
• Perform LAN and VLAN Troubleshooting to keep network running.
• Choose WAN services to meet customer requirements. ISDN, Frame Relay, ATM.
• Managing Cisco Internet work
• Backing up and Restoring Cisco IOS.
• Backing up and Restoring Cisco Configuration

Environment: TCP/IP, Cisco Router Switches, Cisco IOS, Cisco PIX, RIP,EIGRP, OSPF, BGP V4, LAN, WAN, ISDN Frame Realy, ATM, HSRP, VLAN, STP, Concord, what’s Up Gold, Sloarwinds, Windows XP,Windows vista