I have experience as a Technical Engineer at PT Lautan Luas and Site Engineer at PT Basuki Water Indonesia working under PT Pertamina RU V Balikpapan, where I have several main tasks such as maintaining proper process conditions, analyzing issues and solving problems, and making monthly reports on financial and analytical results. Also I have experience as an Analyst and Field Technician at PT Kurita Indonesia who has job duties such as sampling and analyzing samples, problem solving problems in the field, and maintenance of chemical injection. And i had done my internship in PT Pertamina EP in quality control where i learned how to evaluate chemical scale crusher, corrosion inhibitor, emulsifier performance and make the right combination of those chemical according to the characteristics of each oil well.I have also completed several certification trainings such as making P&ID of a process using AutoCad and Simulation and Process Optimization training using Aspen HYSYS.