Job Description - Conduct regular site visits to customers to monitor unit performance and maintain strong customer relationships - Handle technical issues and complaints directly on-site, ensuring timely and accurate problem resolution - Participate in technical evaluations of new products, particularly in mining areas, including staying at the site during the evaluation period - Perform unit inspections, analyze issues, and provide technical feedback to internal teams - Provide brief technical training or guidance to end users when necessary - Have strong technical knowledge of heavy-duty vehicle bodies such as mixer trucks, dump trucks, vacuum trucks, and other specialized equipmentJob Requirement ・At least vocational school (SMK) graduate from related major ・Conversational level English ・At least 1 year experience as After Sales ・Domicile in Balikpapan area or willing to relocate ・Own a motorcycle + SIM C