Oscar Holterman

Oscar Holterman is an experienced IT professional with a diverse background in system administration, security, and technical support. Currently serving as a Senior Security Officer at Gemeente Schiedam since December 2020, Oscar previously owned RICT, which specialized in IT solutions for small and medium-sized enterprises, providing services like helpdesk support, hosting, and backup for over 25 years. Prior to this, Oscar held various roles as a system administrator at Vlietland Ziekenhuis, Plus Integration Waste Management, IRC International Water and Sanitation Centre, and Softworld, showcasing a strong foundation in IT infrastructure and application management.