Jaap van Liere has extensive experience in system administration, starting in January 1997 at Gemeente Gouda as a support medewerker and advancing to the role of senior systeembeheerder. Responsibilities have included overseeing the daily operations of a team of system administrators managing 750 workstations and multiple servers, as well as transitioning to UNIX and Oracle management due to personnel challenges. Previous positions include network engineer at A4 Automatisering B.V., where installation and maintenance of Novell systems were performed, software engineer at De Jong & Partners developing AutoLisp routines, and cad engineer at polydesign. Jaap's educational background includes technical training at MTS, HZ University of Applied Sciences, and secondary schools.