Senior Geologist, Open Pit Copper | Ore & Grade Control

Alliance of Hazardous Materials Professionals

Arizona

On-site

USD 120,000 - 190,000

Full time

7 days ago

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Job summary

Alliance of Hazardous Materials Professionals is seeking a Senior Mine Geologist to lead ore and grade control, develop 3D geological models, and drive geometallurgical integration for a large open-pit porphyry copper operation that feeds multiple processing circuits.

The role reports to the Chief Geologist, guiding geologists and technicians, ensuring timely data for mine planning, metallurgy, and resource management, and supporting QA/QC and regulatory reporting with strong field and

Qualifications

Bachelor's degree in Geology or related field.
5+ years of progressive open-pit mine geology experience, preferably in porphyry copper operations.
Experience with grade/control modelling, ore classification, and reconciliation.
Familiarity with both sulfide flotation and oxide heap leach/SXEW processing.
Experience with 3D geological modeling and mine planning software.

Responsibilities

Lead development and maintenance of grade control models for short- and medium-range planning.
Generate and validate dig polygons and ore/waste boundaries.
Integrate mapping, drilling data, and production information into grade control models.
Develop 3D geological models reflecting pit conditions and mineralization controls.
Lead reconciliation analyses comparing resource models and plant performance.
Collaborate with Metallurgy, Processing, Mine Engineering, and Operations teams.
Provide technical mentorship to geology staff and technicians.
Ensure QA/QC for drilling sampling and geological data.