Lucien Ahanda Defouloy

Network Engineer

Summary:

• Over 6 years of experience in network engineering with solid experience in Routing and

Switching.

• Over 5 years of experience in working with F5 LTMs and GTMs.

• Over 4 years of experience in upgrading and installing firewalls (Cisco ASA, Juniper, checkpoint).

• Hands on experience in Cisco Routers 2800, 3800,3600,2600,Cisco Catalyst 3500, 4507,

2900,3700 switches, Cisco 5500, 5700, 7500,6500,8500 series LAN controllers, Cisco nexus

7000,5000,

• Technical expertise in configuration and troubleshooting of various IP routing protocols including

OSPF, EIGRP, and BGP.

• Over 5 years of Experience with TCPDUMP, Snoop, Sniffer, and other network troubleshooting

tools, VPN, TCP/IP.

• Lead the installation and configuration of corporate wide rollout of the Cisco Catalyst 3550, 3750,

4500, and 6509 switches including VLAN configuration, 802.1q and ISL trucking, Ether Channel,

• Spanning-Tree protocol, HRSP and GLBP.

• Monitor and control on day to day basis the data center of the company with the support of my

team work and IT manager

• A dedicated team player known for being resourceful, passionate, creative problem solving and

• being able to effectively manage client expectations and explain complex concepts and ideas to

non- technical individuals.

Skills:

LAN: Ethernet, Fast Ethernet, Gigabit, 802.11 a/b/g Wireless

WAN: Frame Relay, T1, Multilink T1, MPLS VPN, PPPOE, ISDN, IPSEC

VPN,Dot1x

Protocols: IP, IEEE 802.1D/1W/1S, PVST+,802.3,802.3ad, PAGP, F5 load balancing,

QOS, VRF

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

Equipment: Cisco Routers 2800, 3800,3600,2600,Cisco Catalyst 3500, 4000, 2900,3700

switches, Me 3400, Cisco ASA 5520, 5505, Cisco 5500, 5700, 7500, 8500

series LAN controllers, Cisco nexus 7000,5000

Operating System: Windows XP, 2000, NT, 98, 95, XR-IOS,IOS

Network Management Tools: Cisco Works, Cisco View, Solar winds, Wire shark Protocol Analyzer,

SNMP, SYSLOG,

Education:

University of Dauphine, Paris B. S. in Information Systems May 2008

Certifications:

CCNA: Cisco Certified Network Associate (2013)

CCNP: Cisco Certified Network Professional (2011)

Experience

Client : Electronic Merchant Systems,Laurel MD 05/2012 – 04/2014

Role: Network Engineer

• Assisted in troubleshooting complex layer 1, 2 and 3 connectivity using WireShark protocol

analyser and recommended solution for better performance

• Coordinated all end-user projects as assigned

• Monitor and control on day to day basis the data center of the company with the support of my

team work and IT manager

• Develop standard operating procedure (SOP) documentation

• Implemented QoS Congestion Management and Avoidance to ensure network reliability and

efficiency

• Isolated complex network problems and initiated solutions for corrective action for multi-vendor

LAN/WAN communication platforms

• Lead the installation and configuration of corporate wide rollout of the Cisco Catalyst 3550, 3750,

4500, and 6509 switches including VLAN configuration, 802.1q and ISL trucking, Ether Channel,

Spanning-Tree protocol, HRSP and GLBP.

• Doing QA for firewall / LTM / GTM changes(F5).

• Managed network IP access via Dynamic Host Configuration Protocol (DHCP)

• Monitored LAN/WAN and device activities utilizing CiscoWorks, SNMP

• Monitored the Frame Relay network and coordinated new circuit installations

• Prepared technical documentation of configurations, processes, procedures, systems and

locations

• Provides technical expertise in configuration and troubleshooting of various IP routing protocols

including OSPF, EIGRP, and BGP

• Trained/cross trained fellow employees on network operations and usage

• 24/7 on call support provided on a bi-weekly rotational basis

• Configure Iperf to measure bandwidth between different network

Client : Trinitech Consulting, MD 12/2008 – 04/2012

Role: Network Engineer/Support Analyst

• Maintain documents of work perform during the day

• Maintained, upgraded, configured, and installed Cisco routers, Cisco Catalyst Switches

• Network migration from OSPF to EIGRP.

• Configure F5 LTMs and GTMs.

• Perform Troubleshooting end-to-end between two sites

• Prepared technical documentation of configurations, processes, procedures, systems and

locations

• Redistribution of routing protocols and Frame-Relay configuration

• Responsible for designing and implementation for customer network infrastructure

• Upgrade Cisco Routers and Switches IOS using TFTP

• Configure VPCs on Cisco Nexus 7000s.

• Installation of ME 3400 switch on new sites connected to MPLS network.

• Monitoring and troubleshooting layer 1, 2, 3 connectivity using Solar winds with Net flow packet

• \Configuration and installation of fail over firewall on Cisco ASA 5520 Migration from EIGRP to

OSPF protocol Configure VPN site to site

Client : University of Dauphin, Paris 01/2007 –06/2008

Role: Security Analyst

• Configured authentication of routing protocols like OSPF, EIGRP, using MD5 hash encryption.

• Configured extra security on port by enabling port security such as shutdown violation, maximum

MAC address allowed per port, BPDU Guard with Portfast.

• Enabled extra features such as IP Source Guard, ARP Inspection and DHCP Snooping to prevent

man in the middle attack

• Enhanced the Management interfaces on the routers and switch by using SSH instead of telnet,

• enabling service password encryption, putting password on the console and vty lines

• Sealed security vulnerabilities on the routers and switch such as disabling CDP on interfaces that

do

• not need it, disabling Gratuitous ARP, some TCP and UDP services which includes echo (port

• number 7), discard (port number 9), daytime (port number 13)

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