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Curriculum Vitae - Dag Wieers

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Curriculum Vitae - Dag Wieers

Curriculum Vitae - Dag Wieers

    Availability and work interests

    Personalia My technical experience and interests

    as a system engineer and system Full name architect focuses on Linux and Open Dag Johan Maarten Wieërs Source software, preferably Red Hat

    Enterprise Linux (RHEL) and CentOS. Location

    Skills include deploying, migrating and Ghent, Belgium managing large-scale Linux server Phone and desktop environments, packaging

    Unix software, designing and +32 478 436 299

    implementing system tools and Email automating operational tasks using

    python, shell scripting and perl. dag.wieers@gmail.com, dag@wieers.com

    I am available for contract work inside Website

    and outside of Europe, but not willing http://dag.wieers.com/, http://dag.wieers.com/blog/ to relocate on a permanent basis.

    Work experience

    Dagit Linux and Open Source consulting // jun 2007 ? present Independent contractor

    Available for contract work.

    AXA-Tech Belgium // nov 2007 ? mar 2009

    Linux system engineer

    Linux migration of Belgian datacenter to Germany. Reimplementation of modular deployment

    framework and infrastructure for Linux and VMware ESX. Design and implementation of

    development environment.

    EMC Belgium Development Group // jul 2007 ? dec 2007 Linux system engineer

    Implementation of infrastructure for Novell SLES Linux deployment for technical development

    workstations. Integration with Active Directory, NIS, Clearcase, VMware Server.

    Punch Telematix // jun 2007 ? sep 2007

    Linux system engineer

    Design and implementation of technical documentation system. Design and implementation of

    subversion. Packaging for Novell SLES Linux. Troubleshooting. Automation.

    Euroclear // dec 2005 ? may 2007

    Unix system engineer

    Deployement of Unix systems and services. Design and implementation of management

    infrastructure (configuration and documentation management, change management).

    Packaging for Solaris, AIX, Linux and VMware. Custom software development.

    Troubleshooting. Automation.

    Curriculum Vitae - Dag Wieers Page 1 of 5

    IBM Belgium // jun 2001 ? dec 2005 Unix system engineer

    On Unix and Linux systems. (eg. packaging on Linux/AIX, implementing various system and

    network services, general troubleshooting)

    Unix system developer

     Implementing hosting infrastructure on Linux. (eg. resource and availability monitoring,

    capacity planning, firewall framework)

    Consultant

    Designing and implementing solutions for automatic deployment of Linux clients, Point-Of-Sale

    systems, network services, clusters and big parallel storage systems for digital media projects.

    (broadcasting) incl. Real Software, VRT, EVS, RVA Mind Linux Solutions // oct 1999 ? apr 2001 Founder

    Taking care of various parts of the organisation, including sales and marketing.

    Business Unit manager

    Experience with project-management and pre-sales for a small (15 headcount) consultancy

    company.

    Consultant

    Linux and Open Source consultancy and training for several customers in on-site projects

    varying between 1 and 3 weeks.

    IBM Belgium // internship feb 1999 ? apr 1999 // sep 1999 ? feb 2000

    Internship

    Implementation of a monitoring system and writing a paper called Platformonafhankelijk

    systeem voor dynamische websites under supervision of Erik De Cock. Linux system engineer and developer

    Implementation of a tool to automate the documentation of production systems and tracking

    changes on these systems. General sysadmin automation.

    Quality control

    Analyzing software problems and optimizing the program flow of an in-house ticketing system.

    SISA Software/Winsome // summer job 1996/1997 // oct 1997 ? sep 1999

    Consultant

    Analysis and design of an off-line website generation program (further developed as

    WebEngine) and web-scripting.

    System administration

    Installation of Linux-servers and routers and operational management of these systems.

    Provinciale Bibliotheek Limburg // voluntary oct 1996 ? nov 1997

    Network administration

    Maintenance of 12 public Internet terminals (based on Windows 95) and an ISDN Internet

    connection.

    Internet training

    Individual training and training in group about the Internet, search-engines and popular

    websites.

    Curriculum Vitae - Dag Wieers Page 2 of 5

Skills

    Overall

     Ability to learn quickly from self-study

     Thorough experience in Unix system administration and automation

     Thorough experience in configuring and deploying systems in a scalable and coherent manner

     Experience in developing and marketing products using the Internet and Internet communities

     Experience in project-management and leading a technical team

    Operating systems

     Excellent knowledge of Linux (since 1994) incl. Red Hat Enterprise Linux, CentOS, Fedora, SUSE, Ubuntu, Debian, Slackware and others…

     Experience with various Unix systems including AIX, HP/UX, Solaris, SCO Unix and Digital Unix.

     Experience with virtualization solutions incl. OpenVZ, VMware ESX and Xen.

     Knowledge of DOS, Windows 3.x, 95, 98, NT and XP (both as server as well as client in heterogenous networks).

    Software

     Various markup languages (HTML, SGML, DocBook v3 and v4, XML, CSS)

     CGI Programming (in Perl and C) and PHP3/4

     IP (TCP/UDP), ICMP, ARP and protocols like IRC, FTP, SMTP, HTTP, NNTP, POP3, IMAP, DHCP, IPsec, …

     SQL (MySQL, msql, PostgreSQL and DB2)

     Experience with clustered web-servers for load-balancing and fail-over

     Experience with firewalling, virtual private networking (VPN), building high-capacity, load-balancing and high-available systems (IPVS) and network intrusion detection systems (NIDS)

     Experience with GPFS clustering and SAN environments for large digital media environments

     Experience with building Red Hat kickstarts for mass deployment and building Red Hat RPM packages

     Thorough experience in designing and implementing a multi-customer monitoring and reporting infrastructure.

     Thorough experience in compiling, installing, and configuring of Unix system software, e.g. NFS, Samba, lpd (and LPRng), Qmail, Bind, DHCP, XFree86, Apache, ssh, ntpd, Snort, Dante, RRDtool, Nagios, …

     Thorough experience in compiling, installing, configuring, and using almost any software from standard Linux-distributions, including XFree86, Gnome, Perl, rpm, …

     Experience in programming and scripting in various computer languages.

    Programming languages

     Active: Python (since 2002), SQL (since 1997), PHP (since 1996), Javascript (since 1995), AWK & Unix-shells (since 1994), C (since 1994) Perl 4 and 5 (since 1994),

     Passive: C# and Mono (since 2003), RPG on AS/400 (1997 - 1998), Visual Basic (1997), Java (since 1996), Pascal (1991 - 1999), Tcl/Tk, Assembler (x86) (1992 - 1996), BASIC (1988 - 1990), Languages

     Dutch (mothertongue)

    Curriculum Vitae - Dag Wieers Page 3 of 5

     English (fluently spoken and written)

     Afrikaans (basic spoken)

     French (basic spoken and written)

     German (notions)

     Education

    Technical writing

    IBM Redbook Residency, Poughkeepsie, NY (05/2005)

    Co-written a Redbook about the design and implementation of GPFS (General Parallel File

    System) in a digital media (broadcasting) environment. [SG246700] IBM Redbook Residency, Austin, TX (11/2002)

    Co-written a Redbook about the design and implementation of a Linux-based deployment in a

    branch banking environment. [SG246813]

    Presentations

    I have presented one or more items at the following conferences:

     T-DOSE, Eindhoven, NL (10/2008)

     FrOSCon, Bonn, DE (09/2008)

     Jornadas Regionales de Software Libre, Buenos Aires (08/2008)

     LinuxTag Berlin, DE (5/2008)

     Linuxworld Expo Brussels, BE (3/2008)

     FOSDEM, Brussels, BE (02/2008)

     LinuxWorld Expo Utrecht, NL (11/2007)

     T-DOSE, Eindhoven, NL (10/2007)

     FrOSCon, Bonn, DE (09/2007)

     Linuxconf.eu, Cambridge, UK (08/2007)

     FOSDEM, Brussels, BE (02/2006)

    Certificates

    Brainbench Certificates

     Linux Administration (General): 4.71/5 (30 March 2005) #1 Belgium [> 99% of all test takers]

     Linux Administration (Red Hat 9): 4.34/5 (30 March 2005) #2 Belgium [> 98% of all test takers]

     Linux Administration (Red Hat): 3.93/5 (30 March 2005) #2 Belgium [> 96% of all test takers]

     Linux Programming (General): 4.21/5 (30 March 2005) #1 Belgium [> 89% of all test takers]

     Unix Administration (General): 4.53/5 (30 March 2005) #3 Belgium [> 94% of all test takers] Education

    XIOS Hogeschool Limburg, Diepenbeek (1996 ? 1999)

    Applied Computer Science (~ Bachelor degree) Universiteit Hasselt, Diepenbeek (1994 ? 1996)

    Computer Science, 1st year

    Curriculum Vitae - Dag Wieers Page 4 of 5

    Heilig Hartcollege, Heusden-Zolder (1988 ? 1994)

    Latin-Greek, Latin-Mathematics and Science-Mathematics

    Congresses and workshops

     What The Hack in Boxtel, NL; July 2005

     FOSDEM 2002, 2003, 2005, 2006 and 2007

     Hacking At Large 2001 in Twente, NL; September 2001

     7th and 8th International Linux Kongress August 2000 and November 2001

     LinuxTag 2000, 2001 and 2002

     Chaos Communication Camp in Berlin, DE; August 1999 and August 2003

     Hacking In Progress '97 in Almere, Flevoland, NL; August 1997

    Additional activities

     Member of the CentOS development team

     Maintainer of Dag RPM Repository with more than 4000 Open Source software RPM packages for RHEL and CentOS

     Author of various Open Source software projects incl. dstat, unoconv, mrepo, dconf, mrepo, sarah

     Author of various pieces of documentation

     Volunteer at FOSDEM and other community events

     Hobyist programmer, audiophile, cinephile, squash player, chess player and frequent

    Catan/Carcassonne player

    Curriculum Vitae - Dag Wieers Page 5 of 5

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