Lead underground production geology through grade control drilling and ore reconciliation, supporting protected extraction and reliable production decisions. Provide senior technical leadership across daily mining activities.
This Senior Production Geologist supports underground operations through mapping, sampling, interpretation and production geology. The position collaborates with Mine Operations, Mine Planning, Technical Services and Geology teams. It also guides mine geologists and geological technicians while strengthening data quality, ore control and continuous improvement.
Key Responsibilities: Coordinate underground mapping, sampling and geological observations
Interpret structures, lithology, alteration and mineralization controls
Develop geological interpretations, sections and three dimensional models




Analyze mine-to-mill reconciliation and investigate production variances
Prepare reports, production updates and technical presentations
Requirements: Bachelor of Science degree in Geology or related discipline
Minimum five years of relevant underground mine geology experience
Registration or eligibility with Professional Geoscientists Ontario
Experience with grade control drilling and production reconciliation
Ability to work safely in underground and surface mining environments
Apply senior geological leadership, grade control expertise and reconciliation skills to improve underground ore control and production performance.

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📌 Senior Underground Production Geologist (Ontario)
🏢 Hemlo Mining
📍 Ontario