Summary:

• Network Engineer with 7 years of experience in the industry, which includes expertise in the areas of Routing and Switching.
• Expert level knowledge of troubleshooting, implementing, optimizing and testing of static and dynamic routing protocols such as EIGRP, OSPF, BGP ability to interpret and resolve complex route table problems.
• Implementation traffic filters on Cisco routes using Standard, extended Access list.
• Expert Level Knowledge about TCP/IP and OSI models.
• In - depth expertise in the analysis, implementation, troubleshooting documentation of LAN/WAN architecture and good experience on IP services.
• In-depth knowledge and hands-on experience on IP Addressing, Sub netting, VLSM and ARP, reverse proxy ARP, Ping Concepts.
• Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP Ether channel, STP, RSTP and MST.
• Experience in Configuration and Support of LAN protocols on Cisco Switches such as Layer2, Layer3 and Multi-Layer
• Experience in configuring HSRP and redistribution between routing protocols troubleshooting them.
• Technical Knowledge on Cisco ASA 5500 series Routers.
• Strong hands on experience in installing, troubleshooting, configuring of Cisco 7200, 3800, 3600, 2800, 2600, 2500 and 1800 series Routers, Cisco Catalyst 6500, 4500, 3750, 2950 and 3500XL series switches.
• Implementation of HSRP, VRRP and GLBP for Default Gateway Redundancy.
• Expert knowledge of cable connectors and replacement as RJ-11, RJ-45, V.35, RS-449.
• Extensively worked on Network Design, Architecture and Administration.
• Extensive Knowledge on the implementation of Cisco ASA 5500 series firewalls.
• Worked vastly with IP multicast services like PIM, IGMP, MSDP protocols
• Hands on experience working with Cisco Nexus 7K, 5K 2K Switches.
• Worked on NXOS, IOS, IOS-XR BXB to N7K-NXOS MPLS system test.
• Experience in managing security policies with CSM, integrated with ASA 5500 devices.
• Designing and implementing F5 BIG-IP load balancer.
• Design and configuring of OSPF, BGP on Juniper Routers MX960, MX480 and SRX Firewalls SRX240, SRX550 .
• Configuring and Troubleshooting Route Redistribution between static, RIP, EIGRP, OSPF BGP protocols.
• Experience in layer-3 Routing and layer-2 Switching. Dealt with Nexus models like 7K, 5K, 2K series, Cisco router models like 7200, 3800, 3600, 2800, 2600, 2500, 1800 series and Cisco catalyst 6500, 4500, 3750, 3500, 2900 series switches.
• Expertise in creating groups and pruning traffic flow using VLAN, VTP, ISL, 802.1Q.
• Working experience with REMEDY for ticket change management process.
• Excellent in documentation and updating client's network documentation using VISIO.

Technical Skills:

• LAN Technologies: VLAN, VTP, Inter-Vlan routing, STP, RSTP, PVST, 802.1x
• WAN Technologies: Frame Relay, ISDN, PPP, ATM, MPLS, Channel Leased lines
• Network Securities: NAT/PAT, VPN, Filtering, Load Balancing, IDS/IPS, IPSec, ACL
• Routing Protocols: RIP, IGRP, EIGRP, OSPF, BGP, HSRP, IPv6
• Routed Protocols: TCP/IP, IPX/SPX
• Infrastructure Services: DHCP, DNS, SMTP, POP3, FTP, TFTP,
• Network Managements: SNMP, SSH, Telnet, ICMP
• IP Telephony: VOIP, FXO/FXS/E M/T1/ISDN/ PRI, Call manager Express.
• Operating Systems: Windows series, MS DOS, UNIX, Linux
• Comm. Protocols: ARP, Wi-Fi, WiMax, CDMA, 3G
• Packages: Visual Studio 2008, OPNET, MATLAB, CAD, Flash, Dream weaver.
• Firewall Security: Palo Alto, Juniper SRX, Checkpoint.

Professional Experience:

Confidential

Sr. Data Network Engineer

Responsibilities:

• Managing and configuring Cisco Switches and Routers independently.
• Managing and configuring Aruba Wireless devices and Cisco Access Points.
• Hands on experience with trouble shooting and configuring terminal servers.
• Expertise on digital decservers 700,732 and 900TM.
• Providing Technical Support and solutions for Network Problems.
• Creating and managing user accounts to all team members in partner environment.
• Experience in Cisco switches and routers: IP addressing, WAN configurations.
• LAN cabling in compliance with CAT6 standards Installing new hardware and swap out hardware physically.
• Hands on using crimp tools, punchdown tools to punch cables to the 110 data/voice blocks.
• Communicating and escalating tickets with service providers for network outage issues.
• Managing the DNS entries using InfoBlox.
• Monitoring Network infrastructure using SNMP tools HP NNM, Solar-winds and Opnet.
• Co-ordinating with Security team for NAT configuration and troubleshooting issues related to access lists and DNS/DHCP issues within the LAN network.
• Escalation of procedures and customer notifications.
• Experience in troubleshooting VLAN, STP Spanning tree protocol, Switch Trunk and IP subnet issues.
• Worked on Physical site latency and slowness issues in transmitting results within internal quest network.
• Involved in complete LAN, WAN, Extranet redesign including IP address planning, designing, installation, pre configuration of network equipment, testing, and maintenance in both Campus and Branch networks.
• Experience working with Nexus 7010, 5020, 2148, 2248 devices.
• Experience with configuring Nexus 2000 Fabric Extender FEX which acts as a remote line card module for the Nexus 5000.
• 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.
• Designing, implementing LAN/WAN configurations on Cisco 5K, catalyst 6500 switches.
• Configuring ASA Firewall and accept/reject rules for network traffic.
• Design and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls.
• Installing, configuring Cisco Catalyst switches 6500 series and configured routing protocol OSPF, EIGRP, BGP with Access Control lists implemented as per Network Design.
• Expertise in maintenance of layer2 switching tasks which advocate VLAN, VTP, STP, RSTP, PVST, RPVST, configuring of ether channel with LACP and PAGP along with troubleshooting of inter-VLAN routing.
• Packet capturing, troubleshooting on network problems with Wireshark, identifying and fixing problems
• Implementing, configuring, and troubleshooting various routing protocols like RIP, EIGRP, OSPF, BGP etc.
• Performing network monitoring, providing analysis using various tools like WireShark, Solarwinds etc.

Environment: Cisco 2948/3560/4500/3560/ 3750/3550/3500/ switches and Cisco 3640/ 0/3845/3600/2800 routers, Cisco Nexus 7K/5K, Cisco ASA 500, F5 BIGIP LTM,RIP,OSPF,BGP,EIGRP,LAN,WAN,VPN,HSRP

Confidential

Sr. Network Design Engineer

Responsibilities:

• Involved in Configuring and implementing of Composite Network models consists of Cisco7600, 7200, 3800 series routers and Cisco 2950, 3500, 5000, 6500 Series and Nexus switches.
• Configured networks using routing protocols such as RIP, OSPF, BGP and manipulated routing updates using route-map, distribute list and administrative distance for on-demand Infrastructure.
• Configured OSPF over frame relay networks for NBMA and point to multipoint strategies.
• Configured and maintained Cisco ASA firewalls.
• Implementing traffic engineering on top of an existing Multiprotocol Label Switching MPLS network using Frame Relay and Open Shortest Path First OSPF .
• Provided redundancy in a multi homed Border Gateway Protocol BGP network by tunings AS-path.
• Implemented Hot Standby Router Protocol HSRP by tunning parameters like preemption.
• Implemented various OSPF scenarios on networks consisting of 7600 routers.
• Configured policy based routing for BGP for complex network systems.
• Configured Multiprotocol Label Switching MPLS VPN with Routing Information Protocol RIP on the customer's Site.
• Cisco Secure Access Control Server ACS for Windows to authenticate users that connects to a VPN 3000 Concentrator.
• Worked on FTP, HTTP, DNS, DHCP servers in windows server-client environment with resource allocation to desired Virtual LANs of network.
• Responsible for day to day management of Cisco Devices, Traffic management and monitoring.
• Configured and managed OSPF redistribution and authentication with type 3 LSA filtering and to prevent LSA flooding and also configured OSPF over frame relay networks for NBMA and point to multipoint strategies.
• Extensively worked on layer 2 features like STP, VLAN, VTP and implemented them on new switches and used to troubleshoot any issues.
• Designing, configuring, implementing and troubleshooting LAN VLAN's, VTP, Spanning Tree STP, Trunking dot1q and ISL and Ether channel.
• Implementing and managing traffic engineering on top of an existing Multiprotocol Label Switching MPLS network using Frame Relay and Open Shortest Path First OSPF .
• Configuring and implementing F5 BIG-IP,LTM,GTM load balancers to maintain global and local traffic
• Hands on experience with Nexus Switches 2K, 5K and 7K.
• Network consists of Heavy Cisco equipment such as: Cisco 2924 switches, Cisco 5500 series Layer 3 switches, Cisco 7200 series routers.
• Hands on experience and good working knowledge with Checkpoint Firewall policy provisioning.
• Worked on Firewall Administration, Rule Analysis, and Rule Modification.

Environment: Cisco 3560/2950/2924/6509/6513/5500 switches, Cisco 3825/3640/7200 routers, VPN, BGP, OSPF, RIP, EIGRP, F5 BIG-IP, LTM, GTM, Nexus Switches 5K/7K, VLAN, VTP, and Checkpoint.

Confidential

Network Engineer

Responsibilities:

• Assisted in troubleshooting LAN connectivity and hardware issues in the network of 100 hosts.
• Studied and analyzed client requirements to provide solutions for network design, configuration, administration, and security.
• Involved in troubleshooting IP addressing issues and Updating IOS images using TFTP.
• Maintained redundancy on Cisco 2600, 2800 and 3600 router with HSRP.
• Created a backup and recovery policy for software application and verified peripherals are working properly.
• Monitor performance of network and servers to identify potential problems and bottleneck.
• Performed RIP OSPF routing protocol administration.
• Interacted with support services to reduce the downtime on leased lines.
• Troubleshoot problems on a day to day basis provide solutions that would fix the problems within their Network.
• Maintenance and Troubleshooting of connectivity problems using Ping, Trace route.
• Daily responsibilities included monitoring remote site using network management tools, assisted in design guidance for infrastructure upgrade help LAN administrator with backbone connection and connectivity issue Other responsibilities included documentation and support other teams
• Configured OSPF over frame relay networks for NBMA and point to multipoint strategies
• Implementing traffic engineering on top of an existing Multiprotocol Label Switching MPLS network using Frame Relay and Open Shortest Path First OSPF .
• Provided redundancy in a multi homed Border Gateway Protocol BGP network by tunings AS-path.
• 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.
• Estimated Project costs and created documentation for project funding approvals.
• Experience with implementing and maintaining network monitoring systems Cisco works and HP Open view and experience with developing complex network design documentation and presentations using VISIO
• Configuration and troubleshooting of Cisco catalyst 6509, 7613 with supervisor cards.
• Performed and presented network analysis as a part of network migration. Involved in knowledge transfer to vendors and provided them network support as required
• Worked as a single point of contact for the whole migration
• Configuration and maintenance of EIGRP and BGP network on router 7200 and 6500 MLS.
• Configuration and maintenance of 3750 stack and 6500 VSS for improved efficiency of the data plane.
• Configuration and management of NEXUS network in the existing network infrastructure.
• Created LAB setup with 7k and 5K NEXUS switches for application testing.

Environment: Cisco 3750/3550/3500/2960 switches and Cisco 3640/ 0/3845/3600/2800 routers, Cisco ASA5510, Checkpoint, Palo Alto, Cisco Nexus7K/5K,2248/ 3560/5020/6509 ,ASA,Checkpoint,LAN,OSPF,BGP,RIP,EIGRP

Confidential

Network Engineer

Responsibilities:

• Assisted in troubleshooting LAN connectivity and hardware issues in the network.
• Studied and analyzed client requirements to provide solutions for network design, configuration, administration, and security.
• Involved in troubleshooting IP addressing issues and Updating IOS images using TFTP.
• Maintained redundancy on Cisco 2600, 2800 and 3600 router with HSRP.
• Created a backup and recovery policy for software application and verified peripherals are working properly.
• Monitor performance of network and servers to identify potential problems and bottleneck.
• Performed RIP OSPF routing protocol administration.
• Interacted with support services to reduce the downtime on leased lines.
• Troubleshoot problems on a day to day basis provide solutions that would fix the problems within their Network.
• Monitor the operability and reliability of the network.
• Maintenance and Troubleshooting of connectivity problems using Ping, Trace route.
• Managed the IP address space using subnets and variable length subnet masks VLSM .
• Daily responsibilities included monitoring remote site using network management tools, assisted in design guidance for infrastructure upgrade help LAN administrator with backbone connection and connectivity issues.
• Implemented the security architecture for highly complex transport and application architectures addressing well known vulnerabilities and using access control lists that would serve as their primary security on their core failover firewalls
• Installation configuration of Cisco VPN concentrator 3060 for VPN tunnel with Cisco VPN hardware software client and PIX firewall
• Involved in troubleshooting of DNS, DHCP and other IP conflict problems
• Used various scanning and sniffing tools like Wire-shark
• Hands on Experience working with security issue like applying ACL's, configuring NAT and VPN
• Documenting and Log analyzing the Cisco PIX series firewall
• Configured BGP for CE to PE route advertisement inside the lab environment
• Spearheaded meetings discussions with team members regarding network optimization and regarding BGP issues.

Confidential

Network Trainee Engineer

Responsibilities:

• Involved in configuring Cisco routers and switch administration, familiar with enterprise level Cisco Routers such as 7200 series, 3800 series, 3700 series, 2800series, and Cisco catalyst series switches like 6500, 3750, and 4500.
• Configuring and troubleshooting of routing protocols such as OSPF and BGP for effective communication.
• Implement VLAN's and access lists ACL and troubleshoot IP addressing issues and Update IOS images and other hardware installations
• Experience in troubleshooting VLAN, STP Spanning tree protocol, Switch Trunk and IP subnet issues.
• Dealt with F5's load balancing products in managing them.
• Dealt with NAT configuration and troubleshooting issues related access lists and DNS/DHCP issues within the LAN network.
• Managing and configuring Cisco Switches and Firewalls independently.
• Coordinated with senior engineers with BGP/OSPF routing policies and designs, worked on implementation strategies for the expansion of the MPLS VPN networks.
• Provisioning and troubleshooting Ethernet services, Gigabit networks and Connectivity issues with WAN types Frame relay .
• Monitoring Network infrastructure using SNMP tools like HP Open view.
• Involved in Configuration of Access lists ACL for the proper network routing for the B2B network connectivity.
• Worked with customers in troubleshooting issues related to connectivity, STP, VLANs, Inter-VLAN routing, VTP, Ether channels, Layer 2/3 switching, log messages.
• Configured Cisco Routers for OSPF, IGRP, RIPv2, EIGRP, Static and default route.
• Worked on HSRP for hop redundancy and load balancing.
• Configured the Cisco router as IP Firewall and for NATing Configured RSTP, MST and used VTP with 802.1q trunk encapsulation.
• Experience in Cisco switches and routers: Physical cabling, IP addressing, Wide Area Network configurations.
• Responsible for Internal and external accounts and, managing LAN/WAN and checking for Security
• Settings of the networking devices Cisco Router, switches co-coordinating with the system/Network administrator during any major changes and implementation
• Routing protocols OSPF, RIP BGP
• Implementation of name resolution using WINS DNS in TCP/IP environment