SUMMARY

• 7 years of experience in Design, Deployment and Administration of Cisco Routing & Switching, LAN, WAN and firewall technologies, systems administration, troubleshooting and over 1 years of experience in VOIP, IP Telephony networks.
• Experience with Cisco 2600, 2800, 3800, 7200 series routers and Cisco 1900, 2900, 3560, 4500, 6500 series switches.
• In - depth knowledge and experience in WAN technologies including E3, E1, T1, ISDN/PRI, HDLC, Point to Point, PSTN, DSL, ATM and Frame Relay connections.
• Experience in Configuring and implementing VLAN, VTP, LAN switching, STP and 802.x authentication in access layer switches.
• Experience in Routing protocol configurations (RIP, EIGRP, OSPF, and BGP). Physical cabling, IP addressing, Subnetting, Multicast, CIDR.
• Knowledge on WLANs and 802.11a/b/g Wireless technologies.
• Experience in configurating and management of VoIP and IP Telephony networks.
• Providing On Call support for more than 1,500 Cisco routers, switches, Access Points on Ahold infrastructure including configuration of voice enabled routers, Call Manager V8.x, QoS policies, access control lists on LAN and WAN, Multicast routing configurations on LAN and WAN, Dial Peer configurations on voice enabled routers, Cisco AAA authentication configuration and support for VPN clients.
• Experience with different Network Management Tools, like Sniffer, PRTG, VitalQIP. Whatsup Gold, HPNA and Cisco works to support 24 x 7 Network Operation Center.

TECHNICAL SKILLS

Cisco Products and other vendor equipment: Routers (1700, 1800, 2500, 2600, 3200, 3600, 3700, 3800, and 7200), Cisco L2 & L3 Switches (2900, 3560, 4500, 5000 & 6500), ASA, PIX, FWSM, Juniper Net Screen, Cisco Load balancers

LAN Technologies: Ethernet, Fast Ethernet, and Gigabit Ethernet, SMTP, VLAN, Inter-VLAN Routing, VTP, STP, RSTP, Light weight access point, WLC

WAN Technologies: Frame Relay, ATM, ISDN, PPP, HDLC, CSU/DSU

Security: ASA, PIX, Checkpoint firewall, TACACS+, RADIUS

OS products/Services: DNS, DHCP, Windows (2000/2003, XP), UNIX, LINUX, Vmware.

Protocols/Services: Routing Protocols (RIP v1 & v2, IGRP, OSPF, EIGRP, BGP), QoS, HSRP, VRRP, TCP/IP, load balancer, UDP, ESP IPSec, MPLS, PPP, VoIP, SIP, H.323,WAN accelerators

Network Management Tools: Wire shark, Net flow Analyzer, PRTG, Cacti, HPNA, Cisco Works, VitalQIP, Netcool.

Facilities: DS0, DS1, DS3, OCX, T1/T3

PROFESSIONAL EXPERIENCE

Sr. Network Engineer

Confidential, Quincy, MA

Responsibilities:

• Configure, test, and maintain LAN/WAN equipments and related services.
• Identify, diagnose and resolve network problems.
• Create and maintain comprehensive documentation for all implemented networks.
• Assist in providing proposals and solution presentations.
• Maintain and support companies & 1200+ Stop & Shop, Giant Landover store’s LAN/WAN environment.
• Successfully Converted 1200+ AHOLD stores from Cisco switch gear to HP switch gear.
• Design, Build and Deploy network for new stores.
• IP Allocation for all new/old stores using Vital QIP.
• Handling daily issues and providing resolutions to those problems.
• Participate in 24x7 level-4 on-call rotation.
• Performance Optimization.
• Provide training and technical support for Level 2 Engineers and field Technicians.
• Document network problems and resolutions for future reference.
• Handled Datacenter decommission - Converted all the 1200+ stores to MPLS over frame-relay.
• In Pilot phase - Converting Nortel PBX system to Cisco CUCM VoIP based solution in all the stores.
• Replacing Cisco AP 1131AG, AIR-BR1310 with HP E-MSM410, HP E-MSM466-R Dual Radio wireless bridges.
• Currently handling point of sale (POS) conversion for all the stores from old to new ACE POS system
• Implemented DMVPN with Multicast to support new ACE POS Fuel for all the remote fuel stations.
• Created POC for DMVPN/4G wireless routers to unitize existing WAN infrastructure to connect the remote sites for redundancy and to leverage bandwidth.
• Deployed Cambium PTP 800 series bridges where P2P was not feasible to support remote fuel.
• Handled Configuration and Deployment of Scan-IT solution for all the 1200 + stores.
• Worked with various vendors- AT&T, Verizon, Sprint, Comcast for installation & configuration of various circuits.

Network Support Engineer

Confidential - Louisville, KY

Responsibilities:

• Implementation of new sites from scratch and handling various projects.
• Lead different new projects as they come from clients or within the company.
• Worked with Cisco Catalyst 6500, 4500, 2900, 3500 switches and Cisco 1800, 2500, 2600, 2800, 3600, 3800, 7200 series routers.
• Worked on Routing Protocols -RIP, EIGRP, OSPF, and BGP.
• Configuration of different routing protocols to work with WAN and LAN.
• Designing and implementation of QoS policy’s for different applications.
• GRE tunneling & Site-to Site VPN configuration between other two sites in USA.
• Load balancing using CSS 11500 between the servers inside the network.
• Configuring VPN to allow Employers applications and machines into our network and vice versa.
• Configuring of VOIP dial peers, PBX, IP Telephony configurations on Cisco Devices.
• IP Allocation for all applications and servers and other needs throughout company.
• Wireless installation and configuration of LWAPP, etc...
• ASA 5510/5520 and PIX 525/515e configuration and Implementation for the network.
• Implemented redundancy with Routers, Switches and Firewalls.
• Installation and troubleshooting T1’s, DS3, Ethernet connections with different ISP’s using different routing protocols.
• Network Monitoring tools like Solar winds, and many others.
• Analyzing Sys log and Sniffer traces for handling network problems.

Cisco Network Engineer

Confidential, Stockton, CA

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 IP Telephony 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 includes routing protocols EIGRP, OSPF & BGP
• Configuration, Testing, Planning and Design of Cisco ISR Routers, Cisco Catalyst 2900, 3570 and 6500 Switches, Cisco Aironet Wireless Access point and Cisco Call Manager VOIP.
• Migration from Frame-Relay/ATM network to MPLS-based VPN for customer’s WAN infrastructure
• Upgrade Cisco Routers, Switches and Firewall (PIX) IOS using TFTP
• Configured Cisco Client VPN technologies including Cisco’s VPN client via IPSEC
• Installed and Configured a Cisco secure ACS server for AAA authentication (RADIUS)
• Troubleshooting Cisco Call Manager, CME, Voice Gateways, clients IPT network
• Manage a very large DNS environment using Lucent QIP and manual management of DNS for DMZ/External servers
• Manage Cisco Routers and troubleshoot layer1, layer2 and layer3 technologies for customer escalations
• Deployed QoS using LLQ, FIFO, Weighted Fair Queuing, Priority Queuing, Custom Queuing, RSVP, WRED, CAR

Network Administrator

Confidential

Responsibilities:

• Desktop responsibilities included software & hardware installation & configuration
• Creating & administering user accounts & their permissions
• Replace outdated 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
• Responsible for layer 2 security
• Installation & maintenance of 3750 series switches
• Installation & maintaining Cisco 3600 series routers for WAN connectivity
• Used various scanning & sniffing tools like Ethereal
• SNMP Network Management via MRTG, Cisco works
• LAN cabling in compliance with CAT-5 standards
• Monitor, evaluate & report on health of both Wide & Local Area (WAN/LAN) Networks
• Hardening the router by Password encryption, Securing ROMMON, login Banner
• Disabling Unused Cisco Router Network Services and Interfaces
• Controlling deployment & maintenance of interim software releases into production environments using Patch Management
• Configuring Cisco ASA Firewall using ASDM .