A machine feeder operator for a graphic arts company located in Paterna. The selected candidate will perform the following duties: * Monitor the entry of cardboard stacks into the feeder and feeding area. * Quality control of printing. * Necessary adjustments for printing. * Preparation of the machine for a new production batch. * Replacement of printing plates. * Ink control for new print runs. * Corresponding die changes. * Printing and cutting tests for the new run. Full-time schedule of 40 weekly hours from Monday to Saturday on rotating morning, afternoon, and night shifts, with breaks established by law. * Previous experience in a similar position required. * We are looking for a proactive, dynamic, and responsible individual. * Proximity of residence to the workplace is an advantage.