Melvin Spits has extensive experience in the service engineering field, specifically with fire and evacuation systems, having worked at Hertek Groep since May 2006 in various roles, including Service Engineer, Servicetechnicus, and Onderhoudstechnicus. Responsibilities include the commissioning of fire and evacuation systems, conducting regular maintenance, providing certification, offering user training, attending inspections, and troubleshooting. Prior to Hertek Groep, Melvin Spits served as an Onderhoudstechnicus at Bastion Hotel Groep, performed vehicle modifications at Terberg Specials, and worked as an Import- en distributiemedewerker and a chauffeur at Hankyu Hanshin Express (Netherlands) B.V. from January 1995 to December 1999.