Summary

Since August 2024 until March 31, 2025, I worked as IT Architect at Strukton.

• Introduced architecture-driven work practices,
• starting with the development of an Enterprise IT architecture aligned with the business,
• to be integrated with domain and solution architectures based on business processes according to BPMN 2.0.
• This resulted in the delivery of an enterprise IT architecture document.
• In the area of domain architecture, contributions were made to application integration.
• In addition, activities were performed focused on
  • application rationalization,
  • initiating projects for software refactoring,
  • and introducing innovative software technologies, including graph databases.
    
    

From early 2019 until May 31, 2024,

• I was involved via IDC-Metri as a program and domain architect at ProRail for the GSM-R Fit for Service program and its subprojects:
• core relocation, GRI (geo redundant intelligent telephony) and VR-2.
• The results achieved include:
• re-tendering of the GSM-R management and maintenance solution;
• successful migration of the management and maintenance solution from Mobirail to Nokia and Cellnex for the GSM-R network;
• implementation of a new GRI solution (telephony) for Traffic Control;
• and relocation of the GSM-R core and GRI environment from KPN data centers to those of ProRail.
  The VR-2 project, focused on the replacement of telecom masts, is currently still ongoing. After completing the GSM-R Fit for Service program, I also served as solution architect for the ERTMS program from October 1, 2023, until May 31, 2024.
  
  

Since 2008, I worked as a consultant at IDC-Metri.

• As an independent advisor I was benchmarking market conformity of managed services delivery of connectivity solutions for the corporate market, based on subject matter expertise.
• Also assisting corporate customers with tendering their global networks;
• and acting as a sparring partner for suppliers of managed services on pricing; managed services
  • including IT infrastructure,
  • cyber security and
  • cloud.
    
    

Before working at IDC-METRI, I co-founded a telecommunications startup with a partner. I also worked for PostNL and Digital Equipment Corporation (now part of Hewlett Packard Enterprise). Within these companies, I held consultancy and management positions focused on software engineering, information analysis, architecture, and innovative system integration projects.