Professional Summary:

• Over 8 years of Hands on experience. CCNA and CCIE-written Certified Professional with experience in routing and switching technologies, system design, implementation and troubleshooting of complex network systems including high-end routers: CISCO GSR, ASR1K, ASR9K, 2600, 2800, 3600, 7200, 12000 Series Routers, and Catalyst 4500, 6500, and 7600 switches.
• Experience in site-to-site and remote access VPN solutions.
• In depth understanding of IPV4 implementation of Subnetting.
• Configured security policies including NAT, PAT, and VPN, Route-maps, Prefix lists and Access Control Lists.
• Extensive experience in WAN Technologies, Switching Technologies along with Failover Mechanisms and Inter Vlan Routing types.
• Switching tasks include VTP, ISL/802.1q, VLANs, Ether Channel, Trunking, Port Security, STP and RSTP.
• Good knowledge with the technologies VPN, WLAN and Multicast.
• Strong hands on experience in installing, configuring and troubleshooting of ASR1K, ASR9K,7600,7200, 3900, 3600, 2900, 2600, 2500 and 1800 series routers, Cisco Catalyst 6500, 4500, 3750, 2950 and 3500XL series switches.
• Extensive experience in configuring and troubleshooting of protocols RIP v1/v2, EIGRP, OSPF, BGP and MPLS.
• Worked on network topologies and configurations, TCP/IP, UDP, Frame Relay, Token Ring, ATM, bridges, routers, hubs and switches.
• Well experienced in configuring HSRP, GLBP, ICMP, PPP, PAP, CHAP and SNMP.
• Experienced in configuring and deploying CBWFQ, WRED, LFI, QoS technologies.
• Experience in installing and configuring DNS, DHCP server.
• Excellent communication skills, enthusiastic, motivated and a team player.
• A highly organized individual who adopts a systematic approach to problem solving, effectively analyzes results and implements solutions.
• Highly motivated with the ability to work independently or as an integral part of a team and committed to highest levels of professional.
• Experience with Change management process and Project documentation tools like Excel and VISIO.

Technical Skills:

Professional Experience:

Confidential

Sr. Network Engineer

Responsibilities:

• Implemented Quality of Service QOS , Policy Maps, Class-maps, Policy Routing in the network infrastructure throughout all the different sites.
• Played responsible role for implementing, engineering, level 2 support of existing network technologies / services integration of new network technologies / services
• Worked with Cisco Layer 3 switches 3560, 3750, 4500, 6500 Cisco Nexus 5000 and 7000 in multi VLAN environment with the use of inter-VLAN routing, 802.1Q trunk, ether channel.
• Worked with Cisco Catalyst 6500, 4500, 3750, 3560, 2960 switches and Cisco 2800, 3600, 3800, 7200, 7600 and ASR series Routers.
• Installed and configured 6509 Cisco Catalyst Switch, creating VLANs and assigning ports to the VLAN.
• Upgraded the IOS on the 6500 switch and saving the old system configuration and running-configuration.
• Experience with moving data center from one location to another location, from Cisco 6500 based data center to both Cisco 6500 Nexus based data center
• Experience with implementing Cisco 6500 VSS on the User distribution switches.
• Responsible for entire LAN and WAN maintenance and troubleshooting of the company network. Involved in the Team of Data Center Operations to perform duties like administration and deployment of Cisco Routers and Switches according to the organization requirements.
• Performed network administration tasks such as creation and management of VLANS, Port security, Trunking, RPVST , Inter-VLAN routing, and LAN security.
• Configured and involved in troubleshooting EIGRP, RIP, OSPF, BGP and static routing, MPLS WAN connectivity, Telnet and SSHv2 sessions.
• Carried out Route-redistribution between different routing protocols like OSPF, BGP, EIGRP for increased efficiency.
• Experience with configuring BGP in the data center and also using BGP as a WAN protocol and manipulating BGP attribute.
• Provided BGP routing protocols for implementing multi-homing connection between two ISP's and providing traffic flow to certain areas.
• Working with MPLS Designs from the PE to CE and also configuring VRF on PE routers
• Experience with designing and deployment of MPLS Traffic Engineering
• Configured network access servers and routers for AAA Security RADIUS/ TACACS
• Responsible for Configuring SITE TO SITE VPN on Cisco Routers between Head Quarters and Branch locations.
• Involved in the team for designing and Configured Nexus 7000/5000/2000 in Top of Rack End of Row Architecture for a Scalable Production Network that supports Rack Blade server architecture in a Multi-Tenancy environment using VPC, VDC VRF
• Worked on Extensively on Cisco Firewalls, Cisco PIX 506E/515E/525/ ASA 5500 5520/5540 Series
• Efficient at use of Microsoft VISIO/Office as technical documentation and presentation tools

Environment: CISCO routers and switches, STP, VLANS, VTP, Etherchannel, Portchannel, Access Points, Switch Stacking, Wire Shark, VPC, VDC,VRF,VISIO

Confidential

Network Engineer

Responsibilities:

• Installation, configuration and troubleshooting of Cisco 7200VXR, ASR1K, ASR9K, Catalyst 6500, 2900 switches.
• Configuration and troubleshooting of BGP, OSPF, PPP, Frame Relay with VRF-lite on Customer-Edge routers connecting to MPLS L3VPN and Internet Service Providers.
• Configured OSPF, BGP, MPLS in Cisco IOS XR
• Configure GLBP, STP, and Port Security on Catalyst 6500 switches.
• Performed IOS, IOS-XR upgrades and production network maintenance.
• Worked on Layer 2 protocols such as STP, VTP, RSTP, PVSTP , MST and other VLAN troubleshooting.
• Configured VLANs with 802.1q trunking. Configuring Trunk groups, ether channels, and Spanning tree, for creating Access/distribution and core layer switching architecture.
• Configured various BGP attributes such as Local Preference, MED, Extended Communities, Route-Reflector clusters, Route-maps and route policy implementation.
• Configuration of VLANs, VLAN Trunking, LACP, BFD, HSRP and VRRP.
• Configured PAGP and LACP protocol along with BFD link detection protocol.
• Configured multiple route reflectors within a cluster.
• Hands on Experience working with security issue like applying ACL's and configuring NAT.
• Worked on Network design and support, implementation related internal projects for establishing connectivity in various field offices and Datacenters.
• Resolved connectivity, packet loss and latency issues over WAN links.
• Implemented Tcl, Perl scripts for monitoring production network.
• Performed PoC testing to evaluate new networking HW/SW features, topologies.
• Created technical documentation MOP, DG, CR and network diagrams using MS Visio.
• Performed on-call duties on a rotation basis and created troubleshooting guides.

Environment: Cisco 3750/3550/3500/2960 switches and Cisco 12000/7200/3845/3600 routers, Cisco ASA5510, Checkpoint.

Confidential

Network Administrator

Responsibilities:

• Designed, installed, and maintained various WAN technologies and applications connecting remote sites to corporate headquarters.
• Configured, implemented, and troubleshoot routers and switches with various account settings, permissions, and parameters including security firewalls.
• Primary responsibility is to design and deploy various network security High Availability products like Checkpoint NGX, Provider-I, Nokia appliance, Cisco ASA other security products
• Installed various network hardware including concentrators, bridges, and hubs to establish communication connections with remote locations.
• Configured multiple domain name services DNS , email services Exchange Server , web, and file transfer protocol services FTP for various platforms including line leasing through DHCP servers.
• Configuring various advanced features Profiles, monitors, iRules, Redundancy, SSL Termination, Persistence, SNATs, HA on F5 BIGIP appliances SSL termination and initiation, Persistence, Digital Certificates, Executed various migration/upgrade projects across F5 and hands on with F5 BIGIP LTMs/EM.
• Experience with creating VIP virtual servers , pools, nodes and applying iRules for the virtual servers like cookie persistency, redirection of the URL
• Networking protocols worked with included but not limited to TCP/IP, DNS, WINS, DHCP, VPN, Terminal Services, Routing and Remote Access, Network Design, wiring and cabling.
• Cisco IOS experience on 3600/7200 class hardware in complex WAN environment and experience on Cisco OS and IOS on CAT6500 in a complex data centre environment
• Hands on experience installing Sup720 for Cisco 6509-E series and its Gigabit Ethernet port deployment in the core network
• Configuring IP, RIP, EIGRP, OSPF and BGP in routers.
• Experience in deploying EIGRP/BGP redistribution and the changing the metrics for the primary and backup
• paths for the packet prioritization and EIGRP tuning
• Experience on a mesh 6500 and 5500 series routes and switches to support the core trading system. Involved
• Experience working with Nexus 7010,7018, 5020, 2148, 2248 devices
• Experience working with High performance data center switch like nexus 7000 series
• Configuring IPSEC VPN on SRX series firewalls
• Provided redundancy in a multi homed Border Gateway Protocol BGP network by tunings AS-path.
• Configured IPSec site-to-site VPN connection between Cisco VPN 3000 Concentrator and Cisco 3800.

Environment: Juniper firewalls 5GT, 208, SSG 5, 140, 550, 550M, NSM, IDS/IPS 6500/3750/3550/3500/2950 switches, Juniper M320, T640 , Load balancing, Cisco 7200/3845/3600/2800 routers, TACACS, EIGRP, RIP, OSPF, BGP, VPN, MPLS, Ether Channels.

Confidential

Network Engineer

Responsibilities:

• Worked as part of a team for Cisco Product Support. Troubleshooting by providing relevant knowledge base articles and other information.
• Network solutions for complex networks for VAR Value added resellers users of Cisco.
• Configured maintained LAN, WAN, VPN, WLAN, and Firewalls on Cisco Routers for end users.
• Configuring MPLS, VPN IPSEC, GRE in VPN concentrators and QOS in integrated networks Data, Voice, and Video .
• Installed and configured the ACE and CSM for firewall/Server Load balancing for Cisco Catalyst switches.
• Configuring IPS, IDS, VLAN, STP, Port security, SPAN, Ether channel in Cisco Composite Networks.
• Configured routers and modems, troubleshot issues related to broadband technologies for Residential and Business Customers.
• Apache Web Server MRTG, BIND DNS Server configuration and optimization over UNIX and Active directory implementation of Windows 2003 Server.
• Configured Maintained Cisco 2600, 2800, 3200 series routers including IOS upgrades.
• Prompt technical support to customers on routers and switches.
• Remote management of large networks.

Environment: Cisco Routers - 1700, Cisco GSR 12416. Cisco Switches - 1900, 6509, and 6513

Confidential

Jr. Network Engineer

Responsibilities:

• Worked on various configurations and troubleshooting in a multi-vendor environment with Cisco Juniper routers/switches.
• Performed configuration and troubleshooting of OSPF, EIGRP and BGP protocols.
• Implemented various OSPF features like stub areas, route-summarization, SPF throttling, LSA throttling, redistribution.
• Tested various BGP features such as BGP load balancing, extended community, community-lists, BGP attributes such as AS-PATH, MED, Local Preference.
• Hands-on experience in configuring and troubleshooting ACLs, NAT, TACACS.
• Configuration and troubleshooting of Cisco 2600, 3700, 7200 at customer sites.
• Hands-on experience in configuring VLANs using dot1q, ISL and Ether-Channel.
• Test case design, test execution and automation of routing and switching suites.

Environment: Windows 2003/2000, IIS 6.0, WINS, VM ware ESX 3.0.