Mission

Apply and learn new skills in networking, security and systems as a polyvalent element. Keen on challenges and at ease in datacenters environments, I am also efficient in large scale troubleshooting, emergency situations, self management and communication in a multicultural environment.

Skills

Network

  • Great understanding of TCP/IP protocols, VPN, IPv6, IPSec. Network routing and switching technologies on various physical supports (LAN, WAN, wireless, power line carrier), DVB basics and concepts of VoIP.
  • Backbone maintenance, routing protocols (BGP, ospf), multilayer switching.
  • High speed and redundant network design, implementation and evolution, with security and performance in mind, audit. Load balancing, failover (vrrp, hsrp). Multi vendors network management.
  • Network management: audit, measure of resources, bandwidth management, monitoring, statistics, capable of planning and taking quick emergency responses/decisions.

Security

  • Network design and maintenance pertaining to its security: policy routing, access lists, Firewalls implementation, security policy, DMZ, security trainings, remote access management and security trainings.
  • Extensive experience in systems security: jailed environments, virtual servers. Log analysis, system integrity checks.
  • Intrusion detection and origin tracking. Systems and application audit. Systems vulnerabilities knowledge.

Systems

  • UNIX: configuration, maintenance, tuning, security and audit of servers. Lot of experience with open source software (Linux, *BSD) and Solaris.
  • Windows and Mac systems.
  • PC, Sun and Cisco hardware.
  • System integration, systems failover, server load balancing.
  • Automatic system management (applications and system resources monitoring, security patches) and scalable systems design (volume management, virtual servers).

Network services management

  • e-mail (SMTP, POP and IMAP), including spam fighting and antivirus techniques.
  • Web (Apache, PHP, CGI, HTML, CSS, XHTML, XML, CMS, Ajax), caching (squid, Inktomi traffic server), reverse proxies and websites/intranet development.
  • DNS (bind, DNSSEC, wrote management tools)
  • databases (MySQL, Oracle basis, PostgreSQL)
  • FTP, authentication protocols, directories, Public Key Infrastructure (X509)...

Misc

  • Basic programming skills (C, perl, Pascal, shell and PHP languages), mainly for automating tasks.
  • Ease with graphics, sound, video, documentation management, office tools and miscellaneous applications.

Languages

  • French: mother tongue.
  • English: fluent, especially in the professional context, many travels.

Experience

References are available on demand.

Celimage, Luxembourg (since 2005)

IT Consultant

Celimage, a company specialized in images distribution, extended its activites to IT and Multimedia (broadcasting) services.

  • Dedicated Internet hosting platform setup - to meet both special requirements and keep security under control.
  • Web applications and Web sites development (PHP, SQL, Perl, CSS, HTML).
  • On demand IT infrastructure audit, design, advice and services.
  • Remote System and Network administration, clients monitoring, maintenance, disasters recovery, ...
  • Project Management technical support.

GAX, Luxembourg (2005)

GAX is a Web and financial software company providing e-banking, CMS, consultancy and on demand services.

IT Infrastructure and security analyst

  • Corporate network and UNIX System Administration.
  • Web banking platform IT infrastructure design.
  • Web applications and servlets setup.

Celimage, Luxembourg (2004 - 2005)

Consultant

  • Network migrations, knowledge transfer and documentation. (France, Luxembourg)
  • Network architecture and systems integration. (Norway)
  • Technical advisories.
  • IT requirements audit.
  • Internet hosting management (Servers, services, network, security).

Europe Online, Luxembourg (1999 - 2004)

Network and Systems Engineer

Europe Online provides broadband Internet and streaming services via satellite over Europe, Caucasus, Middle East and North Africa.

Implementation of technical solutions for Internet access and content management via Satellite: technical platform design and management. The company was composed by over 20 nationalities.
  • Complete responsibility of UNIX servers and IP Networks. Setup and management of Linux, *BSD and Solaris systems.
  • Installation of a high speed redundant network using Cisco (7200 to 12000, PIX, Catalyst), HP, Skystream and Alcatel equipment including IP and DVB networks.
  • Quality of Service (QoS) management (Packeteer, Cisco, BSD).
  • Servers setup and maintenance (e-mail, DNS, Web, Intranet, Newsgroups, FTP, Proxy, database, IDS, etc...)
  • Security policy design and application. Security audit and management (patches, operations)
  • IP backbone management, including evolutions.
  • Development of technical tools, troubleshooting, stability improvement of the systems.
  • Datacenter management (including moves), deadlines challenges and self-management.

Sun Microsystems, France (1999)

Sun Microsystems is a world wide known hardware and software manufacturer.

Contractor

  • Administration and management of remote hosts, mostly in production environment.
  • Systems and applications upgrades, programming of statistics tools pertaining to systems' load and availability.

France Telecom Oléane, France (1998)

Oléane (Now Orange Business Services) is one of the historic French Internet Service Provider, offering Dial Uo, Leased Lines, VPN, ...

Network and Systems Administrator

  • Installation, security, and maintenance of e-mail, proxies and Firewalls.
  • Extranet backbone deployment.
  • Tools development allowing automatic massive Cisco routers production.
  • Advice and technical support for customers and within the company.

Education

  • Over 18 years personal computing experience, computer geek.
  • Self learning, autodidact, using books and online ressources
  • Vocational Training, Luxembourg (2000)
    Traffic Server Proxy server software training from Inktomi
    OmniStack switches training from Alcatel.
  • Some College Coursework Completed (1996)
    Level 3 in Industry and Laboratory Physics (BTS TPIL)
    L.E.G.T.P Jean Rostand, Strasbourg, France

Miscellaneous

  • Cycling, hiking, swimming and badminton (frequent).
  • Sailing: International Sailing and Boating Passport, competent crew level.
  • Extensive usage of computers and home automation technologies at home.
  • Personal use of computer aided art (graphics, movies, music mixes).
  • Internet services management for non profit organizations and individuals.
  • Affinity for traveling, nature and multicultural environments.
  • No driving license.