General Responsibilities : 1. Operate WTP and genset according to WI and schedule 2. Record operating parameter data in logsheet 3. Checking and seeking fulfillment of raw water and supporting materials Water Treatment Plant (Chemical, salt etc) 4. Inspect and clean filter filters and separators available 5. Running the actual daily usage of WWTP water and waste disposal so that it can be traced to ensure the correct amount of usage 6. Checking and meeting the support needs of generators (fuel, lubricating oil, cooling water and others) 7. Genset cleaning and tidying work location 8. Report to the boss as soon as possible in case of unnecessary operating conditions 9. Addressing unfair operating conditions in accordance with the instructions of superiors 10. Implement preventive maintenance according to the instructions of superiors 11. Maintain the generator when not in operation 12. Running the implementation of quality management system (ISO 9001: 2000, ISO 22000: 2005, Halal, SMK3, ISCC system, RSPO, SMART D_Safe, OHSAS 18001, HACCP). 13. Responsible for maintaining and maintaining all work equipment (equipment) and cleanliness of the environment (environment) at work sites.