Senior Mine Geologist: Lead Resource Modeling & Planning

Careermine; Walkerville (MT); On-site; USD 120,000 - 160,000; Full time

Job summary

Careermine is seeking a Senior Mine Geologist to lead the development, validation, and reconciliation of geological resource models supporting Montana Resources operations. You will drive in-pit and near-pit drilling interpretation, orebody modeling, and classification, collaborating with mining, metallurgy, and operations teams to ensure accurate resource reporting and optimal mine planning.

The role requires 10+ years in mining geology, strong geostatistics knowledge, and proficiency in

Qualifications

• Bachelor's Degree in Geology, Geological Engineering, Earth Sciences, or related discipline.
• Master's Degree in Geology or Geostatistics preferred.
• Minimum 10 years of progressive experience in mining geology, with significant experience in open pit copper operations.
• Proficiency in Leapfrog Geo and MineSight,
• Strong knowledge of geostatistics, block modeling, variography, and resource classification.
• Advanced Microsoft Office and technical reporting skills.
• Strong understanding of geological modeling and resource estimation methodologies.

Responsibilities

• Develop, update, and validate 3D geological and resource models.
• Interpret lithological, structural, alteration, and mineralization data from drilling programs.
• Conduct resource estimation and classification using geostatistical techniques and industry best practices.
• Prepare mineral resource updates and support reserve conversion activities.
• Maintain geological databases and ensure data quality assurance and quality control (QA/QC).
• Support annual and life-of-mine resource reporting.
• Perform reconciliation between resource models, grade control models, and production results.
• Identify and evaluate variances affecting mine and mill performance.
• Recommend improvements to estimation methodologies and geological interpretations.
• Monitor model performance and implement continuous improvement initiatives.
• Provide geological input to mine planning and scheduling processes.
• Collaborate with mine engineers to optimize pit designs and extraction strategies.
• Support drilling programs through targeting, logging standards, and geological interpretation.
• Provide geological interpretation of paragenesis, mineralization, alteration, zoning and structural controls of porphyry copper deposits.
• Assist with economic evaluations and technical studies.
• Participate in feasibility, optimization, and expansion projects.
• Prepare technical reports, resource statements, maps, and presentations.
• Ensure compliance with company resource reporting standards
• Maintain documentation supporting resource estimates and technical assumptions.

Skills

Geology

Geostatistics

Block modeling

Resource estimation

Technical reporting

QA/QC

Data management

Education

Bachelor's Degree in Geology

Master's Degree in Geology or Geostatistics

Tools

Leapfrog Geo

MineSight

Job description

Careermine is seeking a Senior Mine Geologist to lead the development, validation, and reconciliation of geological resource models supporting Montana Resources operations. You will drive in-pit and near-pit drilling interpretation, orebody modeling, and classification, collaborating with mining, metallurgy, and operations teams to ensure accurate resource reporting and optimal mine planning.

The role requires 10+ years in mining geology, strong geostatistics knowledge, and proficiency in