Experience

Stichting Montessori Lyceum Herman Jordan

• Netherlands
• Education Administration Programs
• 1 - 100 Employee

• Information Technology Advisor

  • Jan 2019 - Present

  Zeist IT Advisor and Head of IT: - Security: implementing the GDPR in our organization, improving system and network security - Run special projects: acquisition of hardware, new wifi system, electronic lockers, surveillance systems, PBX, .. - Linux server management. Key aspects are: Security, Samba, Exim, MySQL, Apache, RADIUS.

• Network & Systems administrator

  • Nov 2007 - Dec 2018

  Zeist - Security: system hardening, advice on implementing GDPR in our organization, .. - Linux server management. Key aspects are: Security, Samba, Exim, MySQL, Apache, RADIUS. - Making decisions on IT hardware purchases, SLA's, and so on. - Rolled out school-wide wifi network



VULNSCAN

• Security Researcher

  • Aug 2019 - Present

  Zeist Through VULNSCAN I plan to look at vulnerability research: finding security holes in software and looking into ways to exploit them. Employing fuzzers, source code auditing tools and IDA Pro in the process. Currently pondering about what cyber security path to take exactly. I have a broad interest in IT security not only limited to vulnerability research. Defense/hardening is also a passion of me (mainly Linux).

• Developer / IT Consultant

  • Jan 2005 - Jul 2019

  My own company, provides custom coding and consultancy on IRC-related projects for individuals and businesses throughout the world. Ranging from customized chat systems for public websites, to closed/restricted messaging systems for businesses.



SafeWire

• Founder/Manager

  • Jan 2007 - Jan 2012

  Company together with a friend, targeted at small and medium businesses. Provided centralized / remote storage service, along with backup options, over a secure VPN. Key aspects were: Linux server virtualization, Samba, OpenVPN, PHP, Apache, and a lot of scripting to tie everything together.



Montessori Lyceum Herman Jordan

• Network & Systems administrator

  • Mar 2001 - Mar 2002

  Zeist Linux server and Windows client management. Coax to UTP conversion. New Internet router. Migration from Novell to Linux+Windows. Linux (and Windows) hardening (this a school after all..). Installing backup systems, UPS, writing backup procedures.