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Hamdalah Hazhar has a diverse work experience that includes roles in both the rolling stock and mechanical engineering fields. They started their career at Komatsu Indonesia, PT as a Project Engineer from September 2011 to December 2011. In 2012, they joined PT. MRT Jakarta, where they worked as a Mechanical Engineer from an unspecified date in 2012 until 2013. They then progressed to the role of Rolling Stock Engineer, which lasted until their most recent position as the Rolling Stock Depot and Workshop Maintenance Department Head, starting in September 2018.

Hamdalah Hazhar pursued a Bachelor's Degree in Mechanical Engineering from the University of Indonesia, spanning from the year 2007 to 2011.