Senior Engineer in several mining companies, such as PT. Nusantara Termal Coal, Site Muara Bungo Jambi (2008 – 2011), PT. Global Multi Energi, Site Misim Tabalong South Kalimantan (2011 – 2012), PT. Bara Adhipratama (2012 – 2013), and PT Metro Energy - PT Tadjahan Antang Mineral Mine Site in Kualakurun Gunung Mas Regency Central
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