We are seeking a skilled and resourceful mechanic to maintain and service the refrigeration systems of our truck fleet. Our tanks, used for transporting liquid and chemical substances, require precise temperature control through custom-built cooling and heating systems. These systems, designed by the previous owner, come without manuals, requiring a problem-solving approach to maintenance and repair. You will collaborate with a knowledgeable colleague based in Rotterdam for two days a week for training and shadow experienced colleagues for the remainder of the week to gain practical knowledge. Your responsibilities include the following: Performing regular maintenance and repairs on the electrical truck refrigeration systems; Troubleshooting and resolving issues with cooling and heating elements of the tanks; Adapting to working with custom-built systems with limited documentation; Following strict safety protocols due to the nature of the substances being transported; Working towards becoming an independent and reliable member of the maintenance team quickly.