Nickel Mining Geology Supervisor & Resource Estimator

PT Arnawarma Mineral Jaya; Malili; On-site; IDR 2,400,000,000 - 3,600,000,000; Full time

Job summary

PT Arnawarma Mineral Jaya (AMJ) seeks a senior geologist to lead a field team in mining geology duties, including mapping, logging, sampling and data management. You will drive ore body interpretation and reporting to senior management in a fast-growing Indonesian operation.

The role requires 5–7 years in mining geology with supervisory experience, plus strong knowledge of nickel mineralization and grade-control procedures. English is essential, with Indonesian language desirable.

Qualifications

• Degree in Geology, Mining Geology or related earth science.
• 5–7 years in mining geology with 2–3 years in supervision.
• Experience in nickel mining or hard rock mining environments.
• Strong knowledge of ore body geology and grade control.
• Proficient with geological software and databases.

Responsibilities

• Supervise and lead a team of geologists and technicians in daily mining geology tasks.
• Conduct geological mapping, core logging and sample analysis to characterise ore bodies.
• Prepare and maintain geological databases and models.
• Monitor ore grade control and align operations with estimates.
• Collaborate with mining engineering to optimise pit design and extraction sequences.
• Estimate resources and perform reserve calculations using standard methods.
• Ensure compliance with international standards and company protocols.
• Identify geological risks and advise operations management.
• Maintain records and produce regular geological reports for management and regulators.
• Mentor junior staff and promote continuous improvement.
• Ensure environmental regulations and EMS compliance.

Skills

Geology

Mining Geology

Team leadership

Communication

English proficiency

Education

Geology degree

Tools

Geological software

Resource estimation tools

Database software

Job description

PT Arnawarma Mineral Jaya (AMJ) seeks a senior geologist to lead a field team in mining geology duties, including mapping, logging, sampling and data management. You will drive ore body interpretation and reporting to senior management in a fast-growing Indonesian operation.

The role requires 5–7 years in mining geology with supervisory experience, plus strong knowledge of nickel mineralization and grade-control procedures. English is essential, with Indonesian language desirable.