Personal
Stef Helder is an enthusiastic Oracle consultant. He combines process-oriented and analytical skills with clear business solutions. To achieve an optimal result he weighs choices in a structured and focused manner. He likes to work with people from different backgrounds on creative solutions. He accomplishes made commitments and does what he says, so he is perceived as reliable.
Translating customer needs and wishes into technological solutions within the Oracle framework. Application, Database and Middleware specialist in a wide variety of business applications and system integration within the Oracle stack.
Specialties:
Middleware Infrastructure, Weblogic, Oracle Application Server, Oracle Service Bus (OSB), Oracle WebCenter Content, Oracle Database, Oracle Data Integration (ODI)
Experience
Toastmasters Groningen President
Toastmasters
10/2014 – present
Large international non-profit public speaking organization
Stef joined Toastmasters to learn the craft of Public Speaking. In the process, he has met many outstanding people, improved his communication skills on every level and learned to work outside of his comfort zone.
Stef achieved both the Competent Communicator and Competent Leader levels.
Stef is currently the President of Toastmaster Groningen dedicated to improving communications and leadership skills.
His responsibilities include:
1. Leading a 25+ member club
2. Together with the board Toastmaster chartered club in June 2015
3. Toastmaster distinguised club in April 2016
4. Promote Toastmasters Groningen to gain members and recognition
5. Implement mentor system for members to learn more and faster
Oracle DBA Middleware / OSB
Menzis
11/2014 – 05/2015
Large health insurance company
Stef is responsible for several projects. Controlling the message flow within the Menzis app. Upgrading databases from 11g to 12c. Integrating salesforce into the existing Oracle stack. Developing a smarter LDAP system.
Weblogic, OSB (Oracle Service Bus) ,OHI (Oracle Health Insurance), Oracle Database 11g/12c
Oracle Technical Application Administrator
IBM Services Center | UWV, Netherlands
05/2014 – 10/2014
Large semi-governmental organizations
Stef is working on the UWV werk.nl application framework, and specialized in the area of Oracle Middleware applications like Webcenter Content. Migrating the Oracle stack from 11g to 12c.
Oracle Webcenter Content Consultant
Rabobank
06/2013 – 04/2014
Large bank in the Netherlands
Rabobank uses Webcenter Content to manage their archive and ongoing files. Stef works as a consultant to develop and test new Webcenter functionality. He translates customer requirements to the development team and makes sure that the system is working as expected. He is responsible for testing new functionality and implementing it on different environments. He gives courses to teach users the filing system and to convince new customers to use the system. Projects he worked on included updating the system from 11.1.1.4 to 11.1.1.6 and finally to 11.1.1.8. Working both on the installation part as on the development of new Webcenter functions.
Oracle DBA
Capgemini | Rijksgebouwendienst, Netherlands and London Boroughs, United Kingdom
03/2012 – 05/2013
Large semi-governmental organizations
London Boroughs and Rijksgebouwendienst outsourced the installation and maintenance of its Oracle eBusiness environment to Capgemini.
Stef has worked as DBA, his job was the installation and maintenance of the databases and the associated application servers which run Oracle EBS, BI and UPK. In addition, Stef proactively monitored the database sessions, thus he was able to optimize the database by tuning the performance.
By creating new environments for London Boroughs Stef gained extensive experience with databases and the application server for oracle EBS, UPK and BI.
Oracle Webcenter Content Consultant
Capgemini | SVB, Netherlands and SVB, India
08/2009 – 03/2010
Large semi-governmental organizations
To discover the culture and colleagues in India Stef was sent to the SVB project in India. Stef gained his first project experience within Capgemini and has seen and experienced the Rightshore model.
Back in the Netherlands Stef worked on the functional and technical design of the portal and content server. Designing and building UCM applications was his main task during the project. Finally, Stef tested functionality and acceptability from end-users. The SVB is now using an interactive employee portal and was pleased with the end result of the project.
Msc. Technology Management
University of Groningen
2005 – 2009
His desire for new challenges characterized the activities Stef undertook alongside his studies. He did internships at AkzoNobel, Weir Minerals, Tele2 and Kijlsta bestrating.
The internship / research he did for AkzoNobel to increase cooperation between the factories located at the chemical park Delfzijl eventually lead to an governmental investment of 60 million. Which could lead to an estimated 900 extra jobs.
The proceedings he performed as an intern were very diverse and each has led to new insights and experiences. He learned to be flexible and to check what was expected of him to perform his job successfully. During his studies, Stef has been an active member of the student associations TeMa (Technology Management), Bernoulli (Chemical Engineering) and EBF (Faculty of Economics and Business). Within these associations he provided ideas on activities to reach more students. He also took part in the creation of a radio program for international students in Groningen at OOG radio. He was responsible for devising the format, marketing and technical support. Stef was a tutor for physics, chemistry and mathematics and taught high school students as well as students. Explaining complex issues in a clear and simple way is a quality he developed during tutoring.
Skills
Stef has good interpersonal and communication skills. In his personal and business environment Stef can be characterized as flexible and stress resistant. In his career he dealt with irregular working hours, a wide range of tasks and intensive customer contact. Stef is open to new experiences, likes to learn new skills and take on new challenges gladly. Stef is perceived as a fast learner with good communication skills ready to take on additional responsibilities.
Stef has worked within multiple teams, he also lead several teams. Skilled in building excellent rapport with clients and team members. Able to see the big picture, delegate effectively and motivate team members to achieve on-time project completion.
Certifications
Oracle WebCenter Content 11g Certified Implementation Specialist
Oracle WebCenter Portal 11g Certified Implementation Specialist
Oracle Business Intelligence Foundation Suite 11 Certified Implementation Specialist
Oracle Database 11g Administrator Certified Associate
Oracle Database: SQL Certified Expert
Professional Scrum Master I
NLP Practioner
Toastmasters Competent Leader
Education
Master Technology Management
Rijksuniversiteit Groningen
2011
Bachelor Technologie Management
Rijksuniversiteit Groningen
2009
VWO
Zernike College Haren
2005
Contact
Email: stefhelder@gmail.com