SUMMARY

Seven years experience in administration, documentation and network security of LAN, WAN and MAN networks. Design, implementation and configuration of routers, switches, firewalls and wireless devices providing redundancy of both active and passive infrastructure.

TECHNICAL SKILL

Routing:

• Knowledge and understanding of network topologies such as Ethernet, Fastethernet, Token Ring, FDDI, CDDI and Fiber Optic Backbones.
• Extensive knowledge and understanding of Cisco routers and routing protocols such as Rip, RipV2, IGRP, EIGRP, OSPF, BGP, BGP4, IPX RIP and RTMP.
• Well versed ability to troubleshoot and configure all series routers, low and high end routers such as the 7000 and 12000GSR.
• Knowledge and configuration of NAT, PAT, HSRP, Access-Lists,
• IOS Images & Upgrades, Redistribution, Static Routes, Route Maps ,Route Reflectors, Prefix Lists, Classful/Classless protocols, VLSM, Subnetting, Route Summarization (CIDR), Bridging, Vlans and and IPX Routing.
• Knowledge and configuration of leased lines such as ISDN, Frame-Relay, ATM, S, DS0, DS1 (T1), DS2 (T2) DS3 (T3) DS4 (T4), Aldran/Paradyne DSU/CSU to Telco demarc.
• Extensive knowledge, understanding and configuration of all CiscoCatalyst Switches and Hubs.
• Assigning ports per Vlan management, and configuration of ports (Gig) for Spanning-Tree Protocol for network redundancy.
• Configuration of IEEE 802.1q, ISL, 802.10 protocols for trunking and uplink communication of Cisco switches and other vendor switch products via Gigabit Switch Port (GBIC) or Fast Ethernet Port.
• Ability to configure Spanning-Tree Protocol parameters, Spanning-Tree Portfast, Strap Duplex/Speed per port, Uplink Fast, Backbonefast, Port Channeling (Fast Ether channel/Gigabit Ether channel).
• Ability to determine the type of catalyst switch and router best suited for the customers needs, accounting for 30% growth of network.
• Configuring and enabling Custom Queuing on a router.
• Configuring and Troubleshooting Dial Plans and Voice Plans.
• Managing and Configuring Cisco VoIP devices.

Wireless (802.11a, b, g, and dual channel g):

• Extensive knowledge and experience with wireless access points such as D-Link, Linksys and Cisco Access points 1100, 1200, 350 Bridge and Workgroup Bridges. Knowledge of IEEE standard 802.11 a(5 GHz, 54Mbps), b(2.4 GHz, 11 Mbps), g(2.4 GHz 54 Mbps) and dual channel 802.11g (2.4 GHz 108 Mbps).
• Ability to configure all wireless devices including bridges to support Data, Voice, Video, VPN and Vlan routing for those that support Vlans and 802.1q trunks.
• Ability to provide wireless/data security via 40, 128, 256 bit WEP encryption, SSID in a non broadcast mode, MAC address authentication, authorized AP authentication, Radius/LEAP authentication, local ACS data base or Microsoft Active Directory authentication, VPN 3DES encryption, and Vlan segmentation.

PROFESSIONAL EXPERIENCE

Confidential,LONDON
APRIL 2010--OCT 2011
CONSULTANT

• Part of a highly skilled technical team flown in to improve the network availability across the Evaluation of 10Gbps, 40Gbps and emerging 100Gbps MAN standards.
  Primary responsibility – overall architecture, technical specification & QA process.
  Highly pressured environment. globe. Special focus on problematic or challenging issues that have been Creation & delivery of international routed links – BGP & OSPF based. Tier 2 IP Repair Engineer, primarily responsible for leased line Internet connections for thousands of customers in the UK, Ireland and Scandinavia. Pro-active and re-active fault finding, diagnosis and fixing. Maintenance and configuration of CPE routers (Cisco 2500 to 7200 series), the backbone gateway routers (Cisco 7500 to 12000 / GSR), and the physical layer solution that links them. Extensive exposure to BGP, ISIS, OSPF, HSRP, leased lines, PPP, multilink PPP, HDLC, ISDN, frame-relay (including Cascade switches), Ethernet (Fast & Gigabit), VLAN trunking, Cisco IOS upgrades, and also DNS (zone file modification on Vodafone UK name servers). Also VPNs, Catalyst 6500 switches running CatOS and IOS.

Confidential, LONDON
SEP 2007 – MAR 2010
NETWORK ENGINEER

• Configured Cisco VPN concentrator for remote access.
• Configured and installed routers and Switches for Lan and Wan operations
• Upgraded IOS on Routers and Switches for deployments.
• Setup, configured and troubleshoot ISDN T1/PRI line, Ethernet/FastEthernet, Serial and dial-peer interfaces on a Cisco AS5300 Universal Access router (Gateway) using VOIP for voice packet transmission (H323 protocol).
• Setup and configured Cisco 3600 routers as a Gatekeeper in a uOne (Unified Open Network Exchange) environment, configured HSRP for backup/failover.
• Worked on customer projects with teams of Systems Integrators to implement Cisco uOne (Unified Open Network Exchange) in service provider environments.
• Trained fellow Systems Integrators and paying customers on the uOne platform.
• Also set up VLANs for the various departmental groups using Cisco 3524, 4006 and 6000 switches. Setting up and troubleshooting IP Phones and softphones for clients.

Confidential, GA
FEB 2007 - JUNE 2007
NOC ENGINEER

• Configured OSPF and BGP based WAN routing design and implementation.
• Dynamic routing protocols replaced static between Denver and Atlanta sites.
• Configured and upgraded IAD 2420 for deployments on client sites.
• Installed and configured cisco 6509 switch for operation.
• Installed HSRP at various critical sites.
• Hardware support for faulty routers(IAD 2420).
• BGP installation on core routers.
• Intepreted traces and ping to resolve router problems.
• Configuring Inter-Vlan on Catalyst 6509.
• Customer support (Creates and respond to trouble tickets)
• Troubleshooting IP Network Issues .
• Knowledge from enterprise equipments from cisco.

Confidential, COLLEGE PARK, GA
MAY 2003 –FEB 2007
NETWORK ENGINEER

• Implementation of Qos policies across enterprise WAN.
• Contributed to design of Air Tran’s IP Telephony deployment, utilizing Cisco Call Manager 3.3 (Publisher and Subscriber) and Cisco Unity 4.0(2). Daily duties include building route plans, add 7640/7660 IP phones to call manager and assign voice mail box from Unity Server, exporting users from Microsoft Active Directory.
• Worked with AirTran vendors Vista IT, Burleson and Forsythe Solutions in converting AirTran’s reservation center from their traditional VOIP network to an IP based call center (IPCC).
• Head engineer in setting up wireless infrastructure in Atlanta’s Hartsfield Jackson Int. Airport and 45 other airport campus in which AirTran flies to. Utilizing IEEE 802.11a, b wireless signals and Cisco Aironet AP1200 series, 350 Bridge and Workgroup Bridges, this infrastructure supported Air Tran’s mobile and stationary Kiosks, wireless laptops and Cisco wireless IP phones.
• Installed and configured Cisco Access Control Server v3.1 (ACS) for Leap authentication of all users and wireless AP’s, using Microsoft Active Directory for dynamic Leap authentication. Installed and configured Cisco Works 2000, Wireless LAN Solution Engine v2.0 (WLSE) to monitor, report and configure all wireless Access Points.
• Work with four Cisco 7513 core routers. Two of these core routers reside in Atlanta, one router supports 48 Frame-Relay spokes while the other supports ATM. The other 7513’s are located in Orlando and Savannah, these two routers connects to Atlanta via ATM.
• Configured and installed many Cisco 3640 and 3745 routers through out 45 airports via Frame-Relay 256k circuit. Used Eigrp and some static routes for routing processes.
• Responsible for day to day changes and operation of all routers including 8 MSFC daughter cards in 4 6513 switches.
• Configured HSRP on core MSFC for redundancy and high availability.
• Head engineer in planning, installing and configuring 3550 PWL switches to support Air Tran’s multi airport campuses. Configured an auxiliary vlan on switch port to support Cisco 7640 IP phones. Trunked all switches via 802.1q on gigabit (LX/LH) ports.
• Trunked router’s fast Ethernet port with switch port for intervlan routing.
• Responsible for day to day operation of three PIX 535 firewall, two 3030 VPN concentrators and 22 3005 VPN hardware clients.
• Configured two PIX for failover, providing for maximum security against intrusions.
• Configured VPN 3030 for three factor authentication using RSA Secure Token Server (Radius Server), ACS Server and Active Directory.
• Configured LAN to LAN tunnel on 3030 Concentrator while utilizing the network extension mode on the 3005 hardware clients.

Confidential, UK
NOV 2000 – FEB 2003
NETWORK ENGINEER

• Part of the British Telecom Network Services Design group, designing a passive and active infrastructure for a multi-national company, (KRAFT).
• Designed and prepared network documentation, logicals and schematics using Microsoft Visio for a switched network.
• Designed passive infrastructure using single mode/multimode fiber optic backbone providing redundancy of all active, Core/Distribution/Access, switches.
• Implemented and configured Cisco Catalyst 2900,3500,4500 5000 and 6500 series switches, using vlan technology, ISL or 802.1Q encapsulation over gigabit single mode fiber optic backbone.
• Installed, configured and maintained Cisco 2500, 2600, 3600, 7200 series routers using various routing protocols and redistribution of Rip V2, EIGRP, and OSPF bridging all non routable protocols.
• Designed an IP addressing scheme using VLSM/CIDR to efficiently assign and conserve IP addresses within the switched network using both private and public addresses while performing NAT/PAT for access to internet.
• Designed a Microsoft Windows 2000 Server (domain controller), Active Directory Services using DCPROMO to support migration of Windows 2000 rollout with RAID 5 type backup. Setting up DHCP, DNS on domain controller and roles such as Global Catalog Server, Schema Master, Domain Naming Master, PDC Emulator, and Infrastructure Master.
• Installed, configured and monitored network using Cisco works 2000.
• Responsible for complete design of network, documentation of active/passive infrastructure, integration of network devices ensuring complete network connectivity, productivity and scalability providing customer with 100% satisfaction.

Confidential,
SEP 1997 – AUG 2000
NETWORK SUPPORT ENGINEER

• Worked with a team of engineers installing UTP CAT 5 cable in the wiring closet, terminated cable using lucent patch panels.
• Designed and implemented a 10/100 MB switched and routed network for a multiprotocol company incorporating Cisco catalyst 5000 switches using VLAN technology.
• Designed/implemented and managed a frame relay network for a major multi-national consumer products Company. Moreover I was responsible for supporting and troubleshooting existing network and migrating from a hub-based network to a switch based network.
• Configured NAT on Cisco 4000 series router for internal private network to communicate with public networks allowing internal users to access the internet.
• Configured VPN tunnel on Cisco Pix 535, using 3DES encryption.
• Configured Cisco Pix 525 firewall with failover connection for network security and redundancy.
• Support of all operating systems such as windows 95/98. windows NT/XP.PDC/BDC.
• Configuring TCP/IP parameters. Default Gateways, DHCP, IP Addressing, DNS, WINS ,NETBIOS, or hosts files such as LMHOSTS and HOSTS to resolve NETBIOS related issues.