Senior Mining Geologist - Resource Estimation

Placements24; Benoni; Hybrid; ZAR 1,200,000 - 1,800,000; Full time

Benefits offered by this job

Competitive salary package

Hybrid work model

Job summary

Placements24 seeks an experienced Senior Mining Geologist to join the technical services team in Benoni, Gauteng. You will develop and validate geological models, perform resource/reserve estimation, and interpret extensive geological data to support strategic planning and financial reporting.

The role requires 8+ years in mining geology, strong knowledge of JORC/NI 43-101/SAMREC, and experience with Isatis, Leapfrog Geo or Vulcan. Hybrid work with on-site validation is offered.

Qualifications

• Master's degree in Geology or Economic Geology.
• Minimum 8 years of mining geology experience focusing on resource and reserve estimation.
• Proven experience with geostatistical software Isatis, Leapfrog Geo or Vulcan.
• Knowledge of JORC, NI 43-101 and SAMREC reporting codes.
• Strong data management and interpretation skills.
• Excellent written and verbal communication.

Responsibilities

• Develop, validate, and maintain geological and block models.
• Perform geostatistical analysis and resource/reserve estimation per codes.
• Interpret core logging, assay, structural and geophysical data.
• Collaborate with mine planning to integrate models into plans.
• Conduct field mapping and sampling to supplement data.
• Ensure data quality through rigorous validation processes.
• Prepare geological reports, resource statements, and presentations.
• Mentor junior geologists and technicians.
• Stay updated on best practices in modeling and estimation.
• Ensure compliance with company policies and reporting standards.

Skills

Geostatistical analysis

Analytical thinking

Communication skills

Team collaboration

Education

Master's degree in Geology or Economic Geology

Tools

Isatis

Leapfrog Geo

Vulcan

Job description

About the Role

Our client, a prominent mining group, is seeking an experienced Senior Mining Geologist to join their technical services team in Benoni, Gauteng. This role is critical for accurate and reliable resource and reserve estimation, contributing directly to the company's strategic planning and financial reporting. The Senior Mining Geologist will be responsible for developing and applying geological models, conducting geological data validation, and ensuring compliance with international reporting standards. This position offers a challenging and rewarding career opportunity within a supportive team environment. The hybrid work model allows for flexibility while ensuring essential on-site geological data review and validation activities.

Key Responsibilities

• Develop, validate, and maintain geological and block models for various commodities.
• Perform geostatistical analysis and resource/reserve estimation in accordance with JORC, NI 43-101, or SAMREC codes.
• Interpret geological data, including core logging, assay results, structural data, and geophysical information.
• Collaborate with mine planning engineers and other geologists to integrate geological models into mine plans.
• Conduct field-based geological mapping and sampling programs to supplement existing data.
• Ensure the quality and integrity of geological data through rigorous validation processes.
• Prepare detailed geological reports, resource statements, and technical presentations.
• Mentor and provide technical guidance to junior geologists and technicians.
• Stay updated on best practices in geological modeling, geostatistics, and resource estimation.
• Ensure compliance with company policies and industry best practices for geological data management and reporting.

Requirements

• A Master's degree in Geology or Economic Geology.
• A minimum of 8 years of experience in mining geology, with a strong focus on resource and reserve estimation.
• Proven experience with geostatistical software packages such as Isatis, Leapfrog Geo, or Vulcan.
• Demonstrated understanding of international reporting codes (JORC, NI 43-101, SAMREC).
• Proficiency in geological data management and interpretation techniques.
• Strong analytical and problem‑solving skills.
• Excellent written and verbal communication skills.
• Ability to work effectively in a hybrid role, requiring both remote analysis and occasional on-site site visits.
• Experience in gold and/or platinum group element (PGE) deposits is advantageous.
• Must be based in or willing to relocate to the Benoni area.

Benefits

• Our client offers a competitive salary, performance bonuses, and a comprehensive benefits package including medical aid and retirement fund.
• This role provides excellent opportunities for professional development and career advancement within a leading mining organization.
• The hybrid work model offers flexibility.
• Be part of a collaborative technical team focused on accurate resource definition and strategic growth.
• Join a company committed to high standards of geological practice and operational excellence in the Gauteng region.