October 2006- present Virgin Media, Data Centre, in Winchester
Network engineer

Providing network connectivity to the Linux and Unix Data centre
Administration of the Cisco switches (catalyst 6500), Cisco routers (7500) and Pix firewalls
Investigating IP and routing problems under RIP V2, OSPF and BGP
Troubleshooting performance and applications connectivity issues affecting the servers
Implementing configuration and hardware changes during change windows
Working along with field engineers to correct network faults
Filling the knowledge Database by creating procedures related to specific faults or changes
Performing the role of the Fault “Owner” and “Manager” in the fault management process ensuring that problems are successfully managed from detection to restoration of service to meet SLA’s

Working in project mode for different customers of Neurones (2002-2004)

One of my roles was to prepare technical and financial responses to bids. I had to provide documented designs, equipment schedules and configurations commensurate with the customer business requirements. In addition, this role involved going on customer’s site to resolve critical faults and suggest remedial actions.

Designing and implementing scalable Cisco network solutions for the customers
Traffic engineering, configuring QOS on LAN devices and WAN links
Configuration of Callmanager, voice gateways and gatekeepers under MGCP and H323
Design, implementation, and support of Web and SMTP content scanner
Installation and configuration of Cisco PIX and Open Source Firewall
Network performance audit on LAN and WAN equipments, using Fluke and sniffer Pro
Writing technical documents and procedures

Assignment on client site:
January 2006 to August 2006 : Société Générale BANK (SGSS/ITS/PRO/INV)

Administration of the checkpoint cluster firewall
Design and implementation of the LAN network (Nortel devices)
Design and implementation of the WAN network (Cisco devices)
Working with investment bank clients to setup financial back office systems
Performance monitoring and reporting
Working under pressure to resolve complex network problems
Providing network connectivity and resource to the Data Centre
Providing Bloomberg and Reuters access to financial departments

March 2004 to December 2005 : RFF (700 employees)

In this role I was responsible for the overall network and security infrastructure, including as well the Linux servers. Commissioning, decommissioning and maintaining the network infrastructure.

Implementing a Contingency and disaster recovery plan under Vmware including the firewalls and all internet services
Administration of the LAN network, designed with catalyst 2950 and 4500 switches
Extending the LAN network, adding switches, configuring new VLAN’s and HSRP
Troubleshooting of problems affecting the networks and the applications (intensive use of snifferPro)
Installation of the firewalls (Linux IPtables and Cisco PIX 525) and the Cisco IPSEC VPN gateway
Design and administration of the Web cache and SMTP content scanner, SSL web reverse proxy
Design and implementation of the financial DMZ behind the firewall to provide Bloomberg, Reuters and Fininfo access to the front office users
Writing technical documents about the network and the security infrastructure ( procedures, HowTo, user guide)