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. firstname.lastname@example.org, email@example.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.
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
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.
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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)
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
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
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.
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
Analysis and design of an off-line website generation program (further developed as
WebEngine) and web-scripting.
Installation of Linux-servers and routers and operational management of these systems.
Provinciale Bibliotheek Limburg // voluntary oct 1996 ? nov 1997
Maintenance of 12 public Internet terminals (based on Windows 95) and an ISDN Internet
Individual training and training in group about the Internet, search-engines and popular
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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
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).
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.
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
Curriculum Vitae - Dag Wieers Page 3 of 5
English (fluently spoken and written)
Afrikaans (basic spoken)
French (basic spoken and written)
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]
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)
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
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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
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
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