SUMMARY

• 9 years of experience in the industry, this includes expertise in the areas of Routing and Switching, Security, LAN.
• Expertise in Configuring Routing/WAN protocols OSPF, BGP, EIGRP, MPLS VPN, DMVPN on Cisco/Nortel routers and testing these technologies.
• Expertise in Configuration and testing of VLANS on Cisco routers and multi - layer Switches and supporting STP, RSTP, PVST, RPVST. along with trouble- shooting of inter-VLAN routing and VLAN Trunking
• Experience in Management Protocol - SNMP, Network Monitoring System - Netcool, Canvass, HP Open-view. Experience with Putty and Secure CRT.
• Experience in configuring HSRP, VRRP redundancy protocol. Configuration of DHCP, DNS in the LAN networks.
• Worked on network topologies and configurations, TCP/IP, UDP, Frame Relay, Bridges, routers, hubs and Switches.
• Worked on Cisco XR (12000, 14000), ASR 9001,ASR 9904,ASR 1001-X,ASR 1002,4000, 3800, 3600, 2800, 2600, 1800 series Router and Cisco 2900, 3500, 4500, 5500, 6500
• In-depth knowledge on IPV4, Subnetting, VLSM, CIDR, ARP, reverse & proxy ARP, Ping Concepts. Experience in build documents and circuit diagrams using MS Visio.
• Experience working with F5Load Balancer, Nexus 7010, 5596, 5548 and 2000 Series
• Worked in collating data from cross functional team and assist in building strategy documents in various Network design implementation

TECHNICAL SKILLS

Routing Protocols: IP RIP, OSPF, EIGRP, BGP, NHRP, SNMP

WAN Technologies: MPLS - VPN, DMVPN, Frame Relay, T1/E1/T3,VPN,ATM

LAN Technologies: VLAN, STP, RSTP, MLT, SMLT,HSRP,VRRP, DNS, DHCP, Static

Operating Systems: Windows 2003 Server, Windows XP, Windows Vista, Windows 2000, Linux

Network Simulators/Test tools/Other tools: Canvass Client, Visual PAC, Ethereal, IxScriptmate, IxLoad, Traffic Generator, Packet tracer, Wireshark, HP QC, Netcool, HP Openview, MS VISIO

Routers: Cisco ASR 9001,9904,1002,1001-X,7500,7200,3800, 3600, 2800, 2600, 1800, Nortel ERS 4500,5500,8300,8600,8800

Switches: Cisco 2900, 3500,4500,5000,6500, Nexus 7k,5k,2k,1k

PROFESSIONAL EXPERIENCE:

Confidential

Senior Network Engineer

Responsibilities:

• Design, Implementation and Maintaining the Network Infrastructure, migration and configuration of Cisco and switches in Charter Internal Enterprise network(call centers and data centers) .
• Design knowledge in various aspects of Network topologies, design of VPN network, routing protocols needed in the network, redundancy if any required such as Gateway redundancy or BGP Multi-homing based on customer requirement.
• Working on MPLS tunnels at the client PE backbone. Configuration and troubleshooting of Cisco ASR 9001,ASR 9904, 7206, Cisco 6509.
• Coordinated efforts with SOC team to ensure all network devices conformed to defined network standards.
• Configuring various Routing protocols such as ISIS, EIGRP, BGP, MPLS, static routing on Cisco routers. Configuration of STP, VTP, VLAN on Catalyst 6500, 3760 stacked switches.
• Configuration of Gateway Redundancy protocol - HSRP for physical gateway redundancy.
• Migration of 6509/6880 VSS from existing HSRP implementation.
• Building Network diagrams, Network profile sheet and circuits using MS Visio. Working on recommendation project plan.

Confidential

Senior Network Engineer

Responsibilities:

• Design, Implementation and Maintaining the Network Infrastructure, migration and configuration of Cisco and Nortel routers and switches in Avaya Datacenter.
• Design knowledge in various aspects of Network topologies, design of VPN network, routing protocols needed in the network, BGP Multi-homing based on customer requirement. Designed MPLS VPN for the customer network
• Configuration and troubleshooting of Cisco ASR 9001,ASR 1001-X, 2900, 3900, 7200, 7600, GSR 12k Series routers in the Datacenter.Nortel ERS 8800, 8600, 8300, 5500, 4500 series routers. Configured various Routing protocols such as RIP, OSPF, EIGRP, BGP, MPLS, static routing on ERS/Cisco routers. Provided configuration of STP, VTP, VLAN on Catalyst 6500,3550,3850 switches.
• Configuration of Gateway Redundancy protocol - HSRP and SMLT for physical gateway redundancy.
• Configured Nexus 7010 including NX-OS Virtual Port Channels, Nexus port profiles, Nexus Version 4.2 and 5.0, Nexus VPC peer links
• Upgraded load balancers to F5 BigIPv9 which improved functionality and scalability in the enterprise.

Senior Network Engineer

Confidential, San Jose, CA

Responsibilities:

• Handling the CISCO XR boxes for loading and installing the PIE’s, IOS images and testing/Upgrading IOS on CISCO GSR (c12k),ASR (14K) routers .
• Configuration and troubleshooting of Cisco GSR and ASR series routers.
• Configuration of routing protocols - OSPF, BGP on the cisco XR routers.
• Working on Low Level Design, Implementation, migration documents
• Validation of Existing Routing policies and mapping same on new Core
• Validation of existing Access lists and mapping same on new core.

Confidential

Senior Network Engineer

Responsibilities:

• Configuring Security features on IBM ISS, a Unified threat management system that includes security features like Firewall, Internet Prevention System, IDS, Buffer Overflow Exploitation Prevention, installing the OS, Installing Site protector, Installation of various Servers machines (agents) and simulated attack machines. Work on security threats in the LAN/WAN network.
• Worked on FTP, HTTP, DNS, DHCP servers in windows server-client environment with resource allocation to desired Virtual LANs of network.
• Configuration of Nortel’s Endpoint Security device- NSNA for the following features: VLAN, SNMP V1/V2C/V3, DHCP, DNS.
• NSNA is a NAC device that offers end-point security which allows end-users to connect to the corporate LAN network only after the user is complaint with the pre-defined security policies.
• Setting up the configuration consisting of one or more Nortel Snas, which would then be connected to a Layer 3 and Layer 2 devices. The layer 3 (ERS 5500) would then be connected to the DHCP/DNS servers and the Layer 2(ERS5510) connected to Tunnel Guard clients.

Confidential

Network Engineer

Responsibilities:

• Configure, implement, test and troubleshoot network connectivity for clients across US. Test customer network faults to component level and remotely resolve or direct on-site engineers to ensure restoration of customer network services within the defined SLA.
• Worked in the Incident/Problem Management team for raising a Change request after determining the Root cause analysis and working on probable solutions. Worked in the cisco Remote Network operations as a L3 NOC engineer
• Configuration and testing of Cisco Routers for different Routing/Redundancy Protocols like BGP, RIP, EIGRP, and OSPF. Implemented DMVPN configuration using OSPF as the routing protocol, NHRP with MPLS backbone network for sites across North America for client. Implemented HSRP. Hands-on experience in the network management of circuits using TDM and Frame Relay network.
• Co-ordination with various Service provider such as ATT, MCI, Verizon for link and configuration related issues, working with them for PE related issues in BGP or MPLS-VPN.

Confidential

Network Analyst

Responsibilities:

• Monitor and Maintenance of customer network faults to component level and remotely resolve or direct on-site engineers to ensure restoration of customer network services within the defined SLA. Logging to Clients Routers to check errors, frame loss, circuit flaps.
• Co-ordination with International Service provider like ATT, Sprint, Orange, MCI, for troubleshoot the ACS Client network connectivity incident problems. Working with the Change control, Configuration Management, for the Smooth ITIL processing. Working in the ACS ECC NOC in resolving incident problem.