Khaliful is a process engineer for PT Perta Arun Gas, a subsidiary of Pertamina, with more than 5 years of experience in LNG and gas industries, such as LNG Regasification and LNG Hub Terminal. He plays the role of process engineer for Arun LNG Hub project to convert ex asset of Arun LNG plant to become LNG Hub. In 2021 and 2022, He was one of the Technical speakers at the Energy Conference in Dubai and Milan