Personal data

Name

Marcos David Dione

Age, Nationality

34 years, Argentine/Italian

e-mail

mdione@grulic.org.ar

jabber

mdione@jabber.vialibre.org.ar

Phone numbers

+33 (0)6 24 21 59 91

Education

2008

Specialization in Distributed Systems and Services, 380hs. Not finished.

1996-2004

Licenciate degree in Computer Science, Facultad de Matemática, Astronomía y Física, Universidad Nacional de Córdoba. Capstone Project: «Trieste: A distributed filesystem».

Abstract:

Most network instalations use centralized network filesystems, and some even use peer-to-peer ones. Centralized filesystems don't use the resources in the client machines, and peer-to-peer ones are not transparent enough and are not easy to administrate. We designed and implemented a fault-tolerant, easy to administrate distributed filesystem, which can add storage space easily. Trieste showed to be greatly scalable, using disk bandwidth and space of each added computer. Its features makes it suitable for clusters.

Expertise

Operating systems

  • Strong knowledge in GNU/Linux, particularly Debian/Ubuntu distributions, *BSD and UNIX in general.

Networking

  • Advanced routing, packet filtering, firewalls, load balancing, heartbeat.

  • Mail service (SMTP/POP3/IMAP): exim and postfix; courier.

  • Web Server (HTTP/S): Apache and lighttpd.

  • DNS: Bind and masqmail.

  • Other protocols: jabber, NFS, NTP, DHCP, CUPS printing.

  • Security: Server monitoring.

Programming skills

  • Python: advanced.

  • Bash: advanced.

  • C and C++: regular.

  • Perl: regular.

  • PHP: basic.

  • Java: very basic.

  • JavaScript: very basic.

  • Test Driven Development: basic.

  • Twisted: basic.

  • PyGTK and PyKDE: basic.

Tools

  • (D)VCS: Subversion, Bazaar, Mercurial

  • Compilers: GNU Compiler Collection (mainly C/C++, some Java).

  • Configuration systems: Make, autotools, CMake, scons.

Other technologies

  • HTML/CSS: basic.

  • XML.

  • CGI.

  • Client/Server programming.

  • Xen paravirtualization.

  • Sofware packaging and backporting for GNU/Linux distributions; customizing GNU/Linux distributions.

Languages

  • Spanish: native.

  • English: very good level reading, good level writing and conversation.

  • French: basic.

Current experience

June, 2011 - France Telecom - HEBEX Division.

System Administrator at the HEBEX Division, which is in charge of maintaining all the 3000+ servers split in 3 Data Centers used for developing, testing and hosting a lot of France Telecom's sites, including Orange and associated sites (actu, immobilier, finances, femme, ecole, bussines, etc) and Voila, among others. My main work is around maintaining multi-site PostgreSQL+Slony-I clusters, MySQL clusters, Apache servers with WebServices developed in C++ and PHP; installing new versions of production sites; massively migrating the servers from several Debian releases to Ubuntu Lucid LTS; and supervising the whole infrastructure in general, including the creation of new supervision probes..

Recent past experience

September, 2009-December, 2010 - INRIA Méditerranée.

Engineer expert for the Hop project. I'm porting both Bigloo, a Scheme compiler, and Hop to the Android platform. I'm also modifying Hop to run as a OSGI bundle and helped improving and expanding Hop's runtime library.

June, 2009-August, 2009 - Proteon.

System administrator assistant. I helped in the Hosting Division, planning and executing consolidation of servers and migrating them between data centers to reduce costs.

April, 2007-December, 2008 - Soluciones Informáticas Libres S.A.

System administrator. I maintained the network, run servers and workstations, installation and configuration of hardware. In several ocasions I managed routers, Xen servers, and install and configure software and other minor tasks for our clients abroad.

Developer. I wrote the backend of the Xarope project, a Xen based system for offering hosting for Zope/Plone sites. This project has been released under the GPL.

September, 2008-May, 2009 - IATE - Astronomic Observatory - UNC.

System administrator. I maintained the network, run a small server/router/firewall and helped maintaining the workstations.

November, 2006-May, 2007 - Fundación Vía Libre

System administrator. I installed and maintained a Debian server with Apache and WordPress for news sites and MailMan for mailing lists.

January-July, 2006 - Departamento de Cómputos de la Facultad de Ciencias Químicas de la U.N.C.

System Adminitrator. I maintained the network and servers in the faculty. Network services included DNS, mail, spam and virus filtering, HTTP proxy and Web servers. One of the server connected to 4 balanced ADSL lines. Most servers were different Linux distributions.

October, 2005-January, 2006

Freelance system administrator. I maintained Zope and Apache servers running under FreeBSD and Debian GNU/Linux.

March, 2002-June, 2003 and March-September, 2005 - Fundación Vía Libre

Python developer. I worked in a team of 3 python developers. We developed papo, an ERP for SMEs released under the GPL. We built tools like xot and cimarron (see previous link).

Older experiences

  • 2004 - I developed a real estate showroom in LAMPhp.
  • 2004 - I worked in a team of 4 people developing a frontend for reprogramming cell phone routers in Perl.
  • 2003 - I worked in a team of 3 people prototyping a workstation for a massive migration from Windows to Linux. This work included Debian packages customization, bug fixing and more integration works.
  • 1998-2000 - I worked in a team of 2 people building a computer lab, including network cabling, server and workstation configuration, all running Mandrake. The servers ran NFS/NIS, mail and web services.
  • 1999 - I worked in a team of 3 people developing an app that alowed customers to send works via mail using dial-up connections, in Delphi.
  • 1997-1998 - I worked in a team of 2 people maintaining a faculty network, including Solaris and Slackware serves and Windows workstations.

Academic experience

2007-2009 - Facultad de Matemática, Astronomía y Física

Graduate teaching assistant in the Algorithm and Data Structures laboratory course. We teach C, Haskell and Java. Wrote material for teaching programing with Java.

2004-2005 - Facultad de Matemática, Astronomía y Física

Graduate teaching assistant in the Operating Systems and Networks and Distributed Systems laboratory courses. We teach C and Linux kernel programming.

September-December, 2005 - Fundación Vía Libre

Wrote the material for and lectured an Advenced System Administration course. The course was delivered via a mailing list.

2000, 2002 - Facultad de Matemática, Astronomía y Física

Undergraduate teaching assistant in the Operating Systems and Networks and Distributed Systems laboratory courses. We teach C and Linux kernel programming.

2000 - Facultad de Matemática, Astronomía y Física

Undergraduate teaching assistant in the Databases course.

July-August, 2004 - Grupo de Investigación en Informática para Ingeniería, Facultad Regional Córdoba, Universidad Tecnológica Nacional.

I lectured a course about developing applications in C++ using the Qt libraries, delivered in 12 classes of 2 hours each.

October, 2004 - Fundación Vía Libre

I lectured an introductory course on the Python language, delivered in 4 classes of 4 hours each.

Talks in conferences

August, 2007

«Xarope: Hosting Zope/Plone for the masses», given at 7JRSL in Córdoba, Argentina, on behalf of Soluciones Informáticas Libres S.A..

August, 2007

«The mail salad», given at 7JRSL in Córdoba, Argentina.

November, 2005

«Xot+Cimarrón: OOP application development», given at 5JRSL in Rosario, Argentina, on behalf of Fundación Vía Libre.

October, 2005

«Xot+Cimarrón: OOP application development», given at 4CafeConf in Buenos Aires, Argentina, on behalf of Fundación Vía Libre.

November, 2004

«Trieste: a distributed filesystem», given at 3CafeConf in Buenos Aires, Argentina.

September, 2004

«Trieste: a distributed filesystem», given at 33JAIIO in Córdoba, Argentina.

July, 2004

«Trieste: a distributed filesystem», given at 2ELL in Concordia, Argentina and Salto, Uruguay.

Other activities

August, 2008

I was a volunteer at DebConf8 in Mar Del Plata, Argentina

February-August, 2007

I worked in the group that organized 7JRSL in Córdoba, Argentina. I coordinated the advertising group.

Grupo de Usuarios de Software Libre de Córdoba

I'm part of the local LUG since 2000. Currently I maintain the local mirror. I also was part of the organizing groups of several events.

Python Argentina

I'm part of the local Python user group. I helped developing CDPedia, an offline and standalone version of the WikiPedia.