| september 2004 to december 2005 | Developer for Cegetel |
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Development of applications in Perl and C, within a Debian Linux, Apache, MySQL and FreeRADIUS environment on the platform that provides the Internet services to all our customers. Integration and development of many projects on a test platform simulating the production platform with the help of UML (User Mode Linux) virtual machines. |
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| august 2003 to september 2004 | Developer and System Administrator for Qualigaz |
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Administration of UNIX systems (Linux Debian/RedHat, FreeBSD, OpenBSD) and development of applications designed for internal use in various languages (VC++ MFC, C# .NET, PowerBuilder, C) for Windows clients. Administration of Oracle 8 and 9 SQL databases. |
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| september 2002 to october 2002 | Software Engineer for XandMail |
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Two months mission working on the society webmail, written in C under Linux and Solaris systems. Various companies (Orange, Tiscali, La Poste, Noos...) are using this product. Problems resolutions, implementation of new features, cleaning/rewriting of source code and documentation of the APIs. |
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| march 2001 to march 2002 | Security Engineer in the R&D team of Qualys Technologies |
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Developed for a modular multithreaded online vulnerability scanner running under UNIX and coded in C. Creation of a module that detects the applicative protocol on a given port at the UDP level (RPC, DNS, TFTP...). Creation of an OS fingerprinting module able to detect the operating system running on a remote machine using the same method as nmap but significantly faster. Creation of many other modules to detect various vulnerabilities. |
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| july 2000 to august 2000 | Intern for Qualys Technologies |
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Creation of a module that detects the applicative protocol on a given port at the TCP level (HTTP, FTP, SMTP, POP2, POP3, IMAP, RLOGIN, RSH, REXEC, SSH, TELNET, AUTH, NETBIOS, LDAP, MYSQL, CVS, X11, RPC, DNS, ORACLE...) whether there is an SSL encryption layer or not. |