Senior Metallurgist - Leaching & SW​/EW

Casa Grande, United States | Posted on 09/24/2026

This position is intended to own the technical support from ore crushing, stacking, leaching and the SX/EW process to produce LME Grade A copper cathode. The Senior Metallurgist is responsible for leading, supervising, and directing the metallurgical engineering and operational technical support, with oversight of key EPCM consultants, metallurgical test work, and processing design. Reporting to the Sr. Engineering Manager, this position ensures full technical integrity, process optimization, safety in design, schedule adherence, scope control, and budget management across basic and detailed engineering design, trade-off studies, pre-feasibility/feasibility studies (PFS/FS), commissioning, and operational handover.

• Bachelor's degree in Metallurgical Engineering, Chemical Engineering, Mineral Processing, or related field.
• Minimum 7+ years of progressive metallurgical engineering experience in large-scale mining project execution, hydrometallurgical plant operations, or detailed process design.
• Minimum 3+ years of experience in heap leach and SX/EW copper operations.
• Extensive technical expertise in copper hydrometallurgy, crushing/stacking, heap leaching, solvent extraction, and electrowinning (SX/EW).
• Deep understanding of metallurgical testing methodologies, process modeling tools, recovery curves, and mass balance calculations.
• Strong proficiency in project management systems, process troubleshooting, scope control, and technical reporting.
• Knowledge of Safety in Design (SiD) principles, HAZOP, MSHA/OSHA safety regulations, and environmental permitting compliance.

PREFERRED QUALIFICATIONS:

• Master's degree in Metallurgical Engineering or Chemical Engineering.
• Professional Engineer (P.E.) license or equivalent professional registration.