Renaud Guérin's résumé. Network & Systems Engineer. Strong Linux, Open Source and IP skills.

Education

2002

Graduate from the University of Technology of Troyes (UTT), France:

"Ingénieur" (BSc) in Information Systems Engineering.
"DEA" (MSc, with honors) in Advanced Knowledge Networks and Organizations (focused on network QoS)

1999

"DUT Informatique" (2 year CS degree) at University of Reims, France.
Specialized in Digital image processing. Best student in 1st year.

Work Experience

Since March 2004

Linux Systems Engineer at Wanadoo France (France Telecom)

System administrator for Wanadoo (#1 ISP in France) on their leading web hosting platform : day to day operation, systems configuration, security & performance tuning, reporting & monitoring, architecture design & sizing according to users' needs.

Sept. to Dec. 2003

Linux & TCP/IP instructor at Pythagore FD

Took charge of Linux, TCP/IP, and Internet security training sessions (beginner to expert level) for audiences of experienced UNIX system administrators. Taught courses, developed practical case studies suited to customers' environments.

Jan. to May 2003

R&D Software Engineer at Free

Developer in the embedded software team of the Freebox project (ADSL set-top box for France's #2 ISP Free.fr, and related network equipment). Developed and optimized key parts of the embedded Linux distribution.

Early 2000 to mid-2002

Linux System Administrator at UTT

Alongside my studies, launched the UTT student web server project (web hosting and online services for 1500+ users). Designed, set up and managed the infrastructure ( Linux / Apache / MySQL / PHP / Samba / NIS). Managed user accounts, security, performance, and eventually trained my successors.

Feb. to Aug. 2002

IP/QoS Network research engineer (M.Sc internship) at INRIA

Took part in the INTRADIFF research project within the PLANETE group, in cooperation with 6Wind, Cegetel, and ENST. Evaluated the DiffServ framework for IP QoS (CBQ,WRR,RED,RIO algorithms...), its issues and suitability for deployment in a carrier-scale IP network. Extended the Diffserv module in the ns network simulator. Gained insight with working in a research team with industrial partners.

Sept. 2000 to Feb. 2001

Linux software engineer (B.Sc internship) at Alcôve

Developed and put into production a system for automated installation and centralized setup of Debian GNU/Linux workstations. This required strong C, Shell, Linux system administration knowledge. The work also involved interaction with users, Debian developers, and working within the IT team at Alcôve.

Apr. to June 1999

Internet/Intranet developer (internship) at Hexanet

Developed a MySQL/PHP based customer management application. Investigated IP firewalling and bandwidth management solutions on the FreeBSD OS.

June to Aug. 1998

Consultant for Plastic System International

Designed, developed and put into production a Web-based application linked to a customers and products database. This gave me the opportunity to interact and consult in a non-specialist environment.

Skills

Excellent command of Linux/Unix systems, Internet & Open Source technologies :
- Internet user since 1994, Linux user since 1996 : very familiar with the culture and inner workings of the Open Source and technical Internet communities.
- Working knowledge of various Linux distributions (Debian, Red Hat, Mandrake, Gentoo, Slackware, custom-made...)
- Familiar with most IP network services and corresponding server software (PPP, SMB/CIFS, NFS, SSH, DNS, Mail (SMTP/POP/IMAP), HTTP, FTP, Proxies...), open source database servers (MySQL, PostgreSQL) and firewalls (iptables, ipfw).
- Good Linux system development skills (system APIs, kernel, X11...), and knowledge of common scripting languages (Shell, Perl, PHP ...)
- User knowledge of various other Unices such as HP-UX, Solaris, Tru64/Digital Unix, FreeBSD, Darwin.
Familiar with Microsoft (Windows XP/200x/NT/9x/3.1, MS-DOS) and Apple (Mac OS X) systems.
Good theoretical and practical knowledge of IP & LAN technologies: TCP tuning, IP addressing, Ethernet, QoS, VLANs, security, etc.
Good knowledge of WAN/telecom networks : ATM, xDSL, VoIP, ISDN, POTS

Development:
- Languages: C, C++, Java, SQL, PHP, XML, Shell, Perl, Python, x86 assembler...
- Tools : GNU suite (gcc, make...), CVS, BitKeeper ...

Notions in digital image processing & synthesis, strong knowledge of computer-based audio & musical applications
Broad culture and interest in various domains of technology, curiosity and ability to keep up with changing trends.

Miscellaneous

Languages :
- French: native speaker
- English : fluent. TOEIC (jul. 2003) : 990 (maximum score). Cambridge FCE: Grade A (maximum score).
  Several trips to the USA, UK and elsewhere, strong interest for international contexts.
- German : basic
Hobbies : Computer-based music production and studio techniques, musical instruments (synthesizers, guitars). Travel, humanities.
Driver's license, first aid diploma.