• Manage all team drilling.• Supervising drilling activity.• Conduct rock analysis using rock sample.• Make report of drilling (DDR, Logsheet/Borelog).• Conduct rock analysis using UCS, DS, Slake Durabilty, Point Load).• Make a final report of project.

• Supervising drilling activity.• Conduct rock analysis using coal sample.• Conduct rock analysis using geotechnic sample.• Reconcile field log and logging data.• Make report of drilling (DDR, DRR, Logsheet/Borelog, Logplot).• Monitoring A2B for open access of drilling point.

• Handling all operational activities of employees in office and workshop (driver, security, cleaning service and massanger).• Negotiate contracts and costs with vendor.• Make analyzing, reporting and schedulling.• Reporting data assets (vehicle, cleaning equipment and other assets).• Lead GA team.• Handle document administration (internal and external).• Perform any task that delegates by GA Manager.• Make a good communication and relationship with other department & vendor.

• Handling all operational activities of employees in field (driver, security, cleaning service and sales).• Negotiate contracts and costs with client.• Make analyzing, reporting and schedulling.• Reporting data assets (vehicle, cleaning equipment and other assets).• Lead GA team (supervisor and staff).• Handle document administration (internal and external).• Perform any task that delegates by director.• Make sure the need of employees are fulfilled in every shifting, according to client requirement.• Make a good communication and relationship with client.

• Recruitment.• Managing all employees administration and documentation (Attendances, Annual Leave, Employee Contract, BPJS Kesehatan, BPJS Ketenagakerjaan).

• Supervising all operational activities of employees in field.• Make sure the need of employees are fulfilled every shifting, according to client requirement.• Making monthly invoice.

• Conduct survey on the pit area that will be drilled and blown up.• Make a design drilling and blasting including material composition accordance to conditions of pit area.• Reporting design results to section head and client.• Giving directions to drilling and blasting supervisors about blasting areas.• Meeting cross department about blasting area.• Conduct final check to ensure the blast circuit is installed according to the design and ensure all mining vehicles and all team are in safe area.• Ensure all blasting hole has exploded and the area declared safe.

• Supervising drilling activity.• Conduct rock analysis using UCS, DS, Nag Permeability.• Make daily & results report (DDR, DRR, Logsheet & Logplot) of drilling activity to client.• Geotechnic Project at PT XPPL (Laos), PT. Kalimantan Energi Lestari (Kalsel), PT. Ganda Alam Makmur (Kaltim), PT Trisensa Mineral Utama (Kaltim).

• Supervising drilling activity.• Conduct rock analysis using UCS & DS.• Make daily/results report of drilling (DDR, DRR, Borelog).• HSR Project Jakarta-Bandung.• PLTU Project Gorontalo Utara.

• Determination facies environment Sihapas Group.• Core analysis intergrated with well log and seismic data.• Making corellation of all exploration wells.