Christian Clemmen

Current

ICT Manager at SNCB / NMBS Holding
Owner at INFOR-Conseils
Invited Teacher at Haute École Provinciale de Charleroi – Université du Travail

Oracle DBA at SNCB / NMBS Holding

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Education

Université de Mons-Hainaut
Haute Ecole provinciale de Charleroi - Université du Travail
Facultés universitaires catholiques de Mons

APMW

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Recommended

2 people have recommended Christian

Connections

242 connections

Industry

Information Technology and Services

Websites

Christian Clemmen’s Summary

Since years I have always been attracted by the RDBMS world. When I got the opportunity to work in this area, I did it.

My primary goal is to provide to our customer a stable and efficient architecture.

Christian Clemmen’s Specialties:

Oracle DBA from 7 to 11g, Databases & SQL tuning,
Databases monitoring (Enterprise Manager , Grid Control), High availability, Windows/Unix/Linux

Christian Clemmen’s Experience

ICT Manager

SNCB / NMBS Holding

(Transportation/Trucking/Railroad industry)

August 2007 — Present (2 years 4 months)

Manage the Open Databases Competence Center : responsible for the DBA's and Application Server Admin Team of the Holding (Oracle, RDB, SQLServer, MySQL, Oracle App Server [forms, report, portal, j2ee, oc4j, weblogic])
Owner

INFOR-Conseils

(Privately Held; Computer Software industry)

January 2004 — Present (5 years 11 months)

INFOR-Conseils provides services in :
- Oracle database administration, remote DBA, maintenance, tuning...;
- Education
- Web sites creation;
- Programming;
- Computer maintenance
- ...
Invited Teacher

Haute École Provinciale de Charleroi – Université du Travail

(Educational Institution; 201-500 employees; Higher Education industry)

September 2003 — Present (6 years 3 months)

* Responsible of the course «Organisation et exploitation de données : Système de Gestion de fichiers et Bases de données» of the 3rd year bachelors in computing science;
* Responsible of the practice courses of SQL and PL/SQL;
* Oracle Database Administrator.
Oracle DBA

SNCB / NMBS Holding

(Public Company; 10,001 or more employees; Transportation/Trucking/Railroad industry)

July 1998 — Present (11 years 5 months)

* Installation, configuration and management of Oracle databases mostly running on Sun Solaris platforms
* Security management: management of more than 600 users;
* Backup & recovery management of all the databases above-mentioned using shell scripts and RMAN.
* Oracle Enterprise Manager architecture definition and management (Grid Control)
* Databases monitoring using OEM & Grid Control.
* Development of a flexible tool to facilitate the querying of the system tables from the different databases using the Oracle PL/SQL Web Toolkit and the Oracle Apache Web Server.
* Installation and versionning of business critical databases applications: development of standard procedures (flows), use of the Oracle Change Management pack.
* Technical support to the developers;
* Unix and Korn Shell, SQL, PL/SQL scripting.
* Database tuning using Grid Control features, Oracle Expert, Index Tuning Wizard, SQL Tracing and tkprof.
* a lot more....

Christian Clemmen’s Education

Université de Mons-Hainaut

Master , Informatique de Gestion , 1999 — 2001

Diploma thesis: « Amélioration de la qualité des données dans les entrepôts de données et leur impact sur les pratiques organisationnelles – Application aux bases de données administratives de l’ULB ”;

Received with Honors
Haute Ecole provinciale de Charleroi - Université du Travail

Bachelor , Informatique de Gestion , 1995 — 1998

Diploma thesis: « Système de Dispatching National des trains dans un environnement client/serveur orienté objet » ;

Received with Honors
Facultés universitaires catholiques de Mons

Sciences politiques et administratives 1993 — 1995

Activities and Societies:

CEFUC
APMW