Summary

• Over 6 years of experience in design, implementation, trouble shooting, development and maintaining enterprise date network systems and Implementation of enterprise networks by dealing with Cisco routers, Cisco Catalyst switches, Cisco Firewalls, Load balancers.
• Installing, configuring and troubleshooting of network devices like Cisco Routers, Nexus, ASR and Cisco Switches.
• Implementation and configuration of F5 Big - IP load balancers 6400- LTM and GTM(V9).
• IDS/IPS setup and management with tuning.
• Wireless installation and configuration of Cisco Wireless controller 4402/4404, Cisco WCS, and LWAPP.
• Good understanding of 802.11 WiFi, Cisco Controller based Wireless and Freestanding Wireless.
• Experience in troubleshooting issues on NAT configuring, access lists and DNS/DHCP issues within the LAN network.
• Implementing QoS Policy with policing and shaping for VOIP applications other queues, PBX, IP Telephone configurations on Cisco Devices.
• Knowledge on working and security aspects of OSI and TCP/IP model.
• Extensive knowledge and experience in routing protocols as RIP, OSPF, EIGRP and BGP.
• Extensive knowledge and experience on MPLS technologies such as L3 VPN, L2 VPN.
• Hands on experience of firewalls Cisco PIX and Cisco ASA, Checkpoint.
• Network sniffing tools like Wire shark/nmap.
• Experience in preparing Technical documentation using Microsoft VISIO/Office.
• Excellent problem solving, troubleshooting and written documentation skills.
• Experience in loading the routers with Cisco IOS from TFTP and vice versa.
• Configure and maintain Site-to-site VPN and VPN concentrators solution for Remote users.
• Knowledge on working with multicasting protocols such as IGMP and PIM.
• Planned and managed Disaster Recovery and Backups.
• Operate basic WCS and LWAPP.
• Conduct basic WLAN Maintenance and Troubleshooting.
• Configuration & management of the changes, additions and deletions from the network and administered via direct Interface or on command line Interface (CLI)to the device.

Certifications:

• Cisco Certified Network Professional (CCNP):CSCO.
• Cisco Certified Network Associate (CCNA):CSCO1182273.
• Cisco Certified Wireless Network Associate (IUWNE):CSCO1182273.
• Cisco Certified Voice Associate (CCVA):CSCO1182273.

Technical Skills & Work Experience:

• Cisco Routers: 2500, 2600, 2800, 3600, 3700, 3800, 4500, 6500, 7200, 7500, 7609, 12000 and nexus 5000 and 7000.
• Juniper Routers: E series, J series and M series.
• Cisco Switches: 2900XL, 2950, 2960, 3560, 3750, 4500, 6500 access switch/gateway.
• Routing Protocols: RIP, OSPF, EIGRP, and BGP.
• Switching protocols: VTP, STP, RSTP, MST, HSRP, VRRP, VRRPE, VLANs, PAgp, and LACP.
• Load Balancer: Cisco ACE 4700, 6400 series, F5 big ip load balancers (LTM and GTM).
• Security: Cisco PIX/ASA, Cisco VPN Concentrators, TACACS/RADIUS
• Firewalls: Cisco PIX 501, 510, 515E, Cisco ASA 5520, Checkpoint.
• Wan Technologies: FRAME RELAY, ATM, MPLS, SONET, SDH, DWDM.
• Wireless installation and configuration of Cisco Wireless controller 4402/4404, Cisco WCS, and LWAPP and WAAS hardware.
• Wireless AP:1130,1140,1240, wireless LAN controllers.
• Implemented Cisco Secure Access Control server (ACS) for Tacacs/Radius.
• Cryptographic Algorithms: DES, 3DES, RSA, MD5, Diffie-Hellman key exchange.
• Sniffing tools: Wire shark, nmap.
• Operating Systems:Windows2000/XP/Vista/7, Windows Server 2003/2008, Fedora, Ubuntu, Macintosh osX.

QUALIFICATION:

• Bachelors in Electronics and communication engineering

WORK EXPERIENCE:

Client: Confidential, WA Dec 2011-Till date

Role: Network Engineer

Responsibilities:

• Project planning, considering requirements for a robust and healthier network and then implementing to connect with existing network is my daily activities.
• Worked on Cisco Catalyst 6500, Nexus 5000 & 7000 and Cisco 4948, 7200 series Routers as well as ASR 9k.
• Making changes to the existing design by following DLA and TOR architecture.
• Extensive Datacenter experience with the TOR, AGG and Core architectures.
• Deployed route reflector successfully to make the network redundant.
• Daily activities as taking requirements from the customer and providing them with the feasible changes to the network and deploying as per the need.
• Was providing on call support to customers and on escalations.
• Very familiar with HSRP, VPC, and spanning tree concepts.
• Extensively worked on OSPF, BGP.

Client: Confidential, CA April 2011-Nov 2011

Role: Traffic Management Engineer

Responsibilities:

• Implementation of new sites from scratch and projects with phases, like project planning, considering needs and requirements for completion and then implementing to connect with existing network.
• Worked with Big IP F5 LTM & GTM.
• Worked with versions of 4.x, 9.x and 10.x.
• Configuration of different URL's to work with both inside and outside the environment.
• Implementation and configuration of F5 Big-IP load balancers 6400- LTM (V9).
• Designing the URL's as per the requirements of the customer/client.
• Able to do both 3dns and fdns types of designs with "A" record names.
• Able to do failover and redundancy type of connections for VIP/WIP.
• Configure the BIG IP boxes with both GUI and CLI with big pipe and tmsh commands.
• Worked with a group of people in a triage when the online banking was down and was successful.

Client: Confidential, CA March 2010-Feb 2011.

Role: Lead Network Engineer

Responsibilities:

• Implementation of new sites from scratch and projects with phases, like project planning, considering needs and requirements for completion and then implementing to connect with existing network.
• Worked with Cisco Catalyst 6500, 4500, 3500, 2900, Nexus 5000 & 7000 and Cisco 2600, 2800, 3600, 3800, 7200 series Routers.
• Worked with Routing Protocols of RIP, EIGRP, OSPF, and BGP.
• Very good experience in implementing the BGP protocol.
• Worked with IGMP and PIM Multicast protocols.
• Configuration of various modes of Multicast distribution trees.
• Router disaster recovery from crashes and checking logs for reason for crash and verifying if hardware or software issues on production routers.
• Configuration of different routing protocols to work with WAN and LAN.
• VLAN configuration to differentiate applications with VTP, RSTP, HSRP, PVST, VRRP, GLBP, servers and users.
• Working knowledge and configuration of Checkpoint Firewall Power-1 5077 appliance.
• Implementation and configuration of F5 Big-IP load balancers 6400- LTM(V9).
• MPLS configurationbetween the company branches with routing protocols.
• GRE tunneling & Site-to Site VPN configuration between other two sites in USA.
• ConfiguringVPN to allow Employers applications and machines into our network and vice versa.
• Wireless installation and configuration of Cisco Wireless controller 4402/4404, Cisco WCS, and LWAPP.
• ASA 5510/5520 and PIX 525/515econfiguration and Implementation for the network.
• Implemented redundancy for Routers, Switches and Firewalls.
• Implementing QoS Policy with policing and shaping for VOIP applications other queues, PBX, IP Telephone configurations on Cisco Devices.
• Carried out performance monitoring & documentation of relevant network segments to ensure data integrity & environmental safety.

Client: Confidential, North Carolina Aug 2009- Feb 2010

Role: Network Support Engineer

Responsibilities:

• Responsible for the installation, configuration, maintenance and troubleshooting of the company network. Duties included monitoring network performance using various network tools to ensure the availability, integrity and confidentiality of application and equipment and to provide support for Cisco network
• Responsible for the Global design, engineering, and level 3/4 support of existing network technologies services and the integration of new network technologies / services
• Key contributions include troubleshooting of complex LAN /WAN infrastructure that include routing protocols EIGRP, OSPF & BGP.
• Configuration, Testing, Planning and Design of Cisco Routers 2800, 3600, 3800 and Cisco Catalyst 2900, 3570 and 6500 and Nexus 5000 Switches and Cisco Aironet Wireless appliances.
• Implementing QoS Policy with policing and shaping for VOIP applications other queues, PBX, IP Telephone configurations on Cisco Devices.
• Implementation and configuration of F5 Big-IP LTM & GTM load balancers
• Migration from Frame-Relay/ATM network to MPLS-based VPN for customer's WAN infrastructure
• Troubleshooting latency and throughput issues on MPLS and Dedicated Internet Access circuits
• Configured Cisco 7204 routers which were also connected to Cisco ASA security appliances providing perimeter based firewall security
• Upgrade Cisco Routers, Switches and Firewall (ASA) IOS using TFTP.
• Resource management through deployment of network based monitoring applications to keep bandwidth & activity alongside each other.
• Configured Client VPN technologies including Cisco's VPN client via IPSEC.
• Installed and Configured a Cisco secure ACS server for AAA authentication (RADIUS)
• Manage Cisco Routers and troubleshoot layer1, layer2 and layer3 technologies for customer escalations.
• Performed switching technology administration including Vlans, inter-Vlan routing, trunking, port aggregation and link negotiation.

Client:Confidential, Cleveland, Ohio. Oct 2007- June 2009

Role: Network Engineer

Responsibilities:

• Responsible for implementing, engineering, & level 3/4 support of existing network technologies / services & integration of new network technologies / services
• Key contributions include troubleshooting of complex LAN /WAN infrastructure that includes routing protocols EIGRP, OSPF & BGP
• Installed and configured routers including 1800, 2600 along with Cisco switches including 3750 and 6500
• Migration of existing IPSEC VPN tunnels from Pre-Shared key to Certificate Authority for purpose of scaling
• Configuring switch for 802.1x port based authentication
• Designed WAN structure to prevent single point of failure in case of link failure.
• Maintenance and Troubleshooting of connectivity problems using Ping, Trace route.
• Planning and Implementation of Subnetting, VLSM to conserve IP addresses.
• Configured STP for loop prevention and VTP for Inter-VLAN Routing.
• Troubleshooting issues and outages on Trunks and Router interfaces extensively.
• Technical assistance for LAN/WAN management and complex customer issues.
• Performed route redistribution & manipulated route updates using distribute lists, route-maps & administrative distance
• Creating & applying different types of access-lists for these effects to take place
• Administered & setup Cisco PIX firewalls at multiple sites

Client: Confidential, Hyderabad Jul 2006 - June 2007

Role: Network Administrator

Responsibilities:

• Routing: BGP, OSPF, IS-IS, EIGRP, NAT, MPLS,PIM, GRE tunnels for VPN
• WAN: Frame Relay, ATM.
• Security: PIX and ASA firewall, RADIUS, TACACS+, VPN, and IPSec.
• Hands on Experience on Cisco 2600, 3640 routers and catalyst 2950 series.
• Implemented HSRP on the Cisco 2948G Layer 3 switches, and EIGRP, OSPF on 2 Cisco 2610 routers, the Layer 3 switch, 3 Cisco 3508XL Switches, 2 Cisco 3524XL switches for load balancing and fail over.
• Converted networks with multiple routing protocols RIP, IGRP, EIGRP into a single OSPF domain, thus providing for future network scalability.
• Implemented redistribution of protocols from EIGRP to IS-IS level 1 and redistributing IS-IS Level 1 to EIGRP thus avoiding all the networks to be redistributed.
• Designed a reliable and fully redundant network implementing various routing protocols RIP, OSPF, BGP and EIGRP.
• Configuration, Implementation, and Management of WAN Network: Frame Relay, ISDN, ATM
• Implemented VLANS between different departments and connected them using trunk by keeping one Vlan under server mode and rest falling under client modes.
• Perform planning, testing, & evaluate new devices and troubleshooting.
• Acted as Intranet Webmaster and helped create and administer security policies.
• Involved with the Systems team to Install, configure, & maintain AD, DNS, DHCP on Windows 2000 Server, also Configured FTP server for inside/outside users & vendors
• Project: Planning, designing and implementing the services to provide website load balancing

Client: Confidential, HyderabadAug 2005 - June 2006

Role: Network Support Technician

Responsibilities:

• Responsibilities included software & hardware installation & configuration
• Worked on Cisco switches & routers in existing data centers & installing new Cisco switches & routers
• Develop implementation schedule & coordinating with other groups (Change Management)
• Migration from 2500 series Routers to 2600 series
• Configuration & maintenance of Cisco 2600 series routers with OSPF protocols
• Configuration & maintenance of Cisco 2900 series switches including VLANS & TRUNKING protocols
• Installation & maintenance of 3750 series switches
• Installation & maintaining Cisco 3600 series routers for WAN connectivity
• Used various scanning & sniffing tools like Wire shark, Nmap.
• Monitor, evaluate & report Wide & Local Area (WAN/LAN) Networks.