Mr Wirantaya was General Manager Health, Safety and Operational Risk PT Vale Indonesia Tbk (2020-2021), General Manager Engineering, Maintenance & Capital Project PT Vale Indonesia Tbk (2019-2020), manager Central Maintenance PT Vale Indonesia Tbk (2017-2019), manager Mobile Engineering/Planning/Contract PT Vale Indonesia Tbk (2015-2016), General Manager Health, Safety and Operational Risk of PT Vale Indonesia Tbk (2020-2021), General Manager Engineering, Maintenance & Capital Project of PT Vale Indonesia Tbk (2019-2020), manager Central Maintenance of PT Vale Indonesia Tbk (2017-2019) and manager of Mobile Engineering/Planning/Contract of PT Vale Indonesia Tbk (2015-2016).
