Mine Geologist: Grade Control, Mapping & 3D Modeling

JDS Energy & Mining; Challis (ID); On-site; USD 90,000 - 130,000; Full time

Job summary

JDS Energy & Mining seeks a Mine Geologist to support ore control, mapping, sampling, and 3D modeling at challenging Idaho operations. You will update geological models, reconcile production with forecasts, and assist in short-range drilling programs to optimize ore extraction.

The role requires strong field skills, data integration, and QA/QC practices to maximize mineral recovery while minimizing waste. Idaho site work offers hands-on exploration and mining support.

Qualifications

• Experience in daily ore control and grade definition.
• Experience in geological mapping and logging.
• Experience in sampling QA/QC protocols.
• Experience updating 3D geological models.
• Experience production reconciliation with planning.
• Experience drill program execution.

Responsibilities

• Daily Ore Control & Grading: Conduct daily pit tours or underground face evaluations to define ore and waste boundaries; issue clear instructions to shovel operators and mining crews.
• Geological Mapping & Logging: Map active mine faces, benches, and underground developments to track structural controls, alteration zones, and lithological variations.
• Sampling & Assay Quality Control: Supervise production sampling programs and oversee QA/QC protocols before dispatching samples to the laboratory.
• 3D Geological Modeling: Integrate new data to update 3D geological and grade-control models using industry software.
• Production Reconciliation: Collaborate with Mine Planning Engineer to compare actual grades/tonnages with predictive models and forecasts.
• Drill Program Execution: Assist in designing and executing short-range delineation and infill drilling programs.

Skills

Ore grade control

Geological mapping

QA/QC supervision

3D geological modeling

Production reconciliation

Drill program planning

Tools

Geology software

Industry software

Job description

JDS Energy & Mining seeks a Mine Geologist to support ore control, mapping, sampling, and 3D modeling at challenging Idaho operations. You will update geological models, reconcile production with forecasts, and assist in short-range drilling programs to optimize ore extraction.

The role requires strong field skills, data integration, and QA/QC practices to maximize mineral recovery while minimizing waste. Idaho site work offers hands-on exploration and mining support.