Resource Geologist: Modelling, Estimation & HSE

Archi Indonesia; Indonesia; On-site; IDR 350,000,000 - 600,000,000; Full time

Job summary

Archi Indonesia is seeking a Senior Resource Geologist to strengthen the Mineral Resource team. You will implement HSE standards, analyze geological data, and support resource modelling and reporting in line with KCMI/JORC requirements.

The ideal candidate holds a Bachelor’s degree in Geology or Geological Engineering with 3–5 years’ experience in resource estimation, and communicates effectively in Indonesian and English.

Qualifications

• Bachelor’s degree in Geology or Geological Engineering.
• 3–5 years of experience in mineral resource modelling and estimation, metal exploration, or mining geology.
• Good written and verbal communication skills in Indonesian and English.
• Proficient in Microsoft Office.
• Experienced in geological/mining software such as Micromine, Surpac, Leapfrog, or equivalent.
• Basic to intermediate knowledge of GIS and geological database management.
• Basic programming and data analysis skills (Python, SQL, R) are an advantage.
• Holder of POP (First Operational Supervisor) certification.
• Geological Modelling or Resource Estimation training is preferred.
• Exposure to KCMI/JORC reporting standards is preferred.
• Awareness of company safety and environmental standards.

Responsibilities

• Implement Health, Safety, and Environment (HSE) regulations and actively participate in HSE initiatives and programs.
• Analyze, validate, and maintain geological databases and supporting information for resource estimation, including collar, survey, assay, density, lithology, alteration, oxidation, and structural data.
• Develop and update geological interpretations for resource modelling.
• Conduct geostatistical analysis, variography modelling, estimation parameter development, resource estimation, and block model validation.
• Assess geological continuity, drill spacing, estimation confidence, and support Mineral Resource classification activities.
• Prepare technical reports, resource updates, reconciliation reviews, government submissions, and documentation for Mineral Resource reporting.
• Provide technical guidance and mentoring to Junior Resource Geologists.
• Perform other assigned duties as needed.

Skills

Geology knowledge

Communication skills

Education

Bachelor’s degree in Geology or Geological Engineering

POP certification

Geological Modelling/Resource Estimation training

Tools

Micromine

Surpac

Leapfrog

Python

SQL

R

Job description

Archi Indonesia is seeking a Senior Resource Geologist to strengthen the Mineral Resource team. You will implement HSE standards, analyze geological data, and support resource modelling and reporting in line with KCMI/JORC requirements.

The ideal candidate holds a Bachelor’s degree in Geology or Geological Engineering with 3–5 years’ experience in resource estimation, and communicates effectively in Indonesian and English.