Main Purpose
The Metallurgist / Process Engineer provides technical expertise across mining and metallurgical projects, ensuring projects meet technical, economic and safety standards. The role supports trading with metallurgical insight and may represent the organisation on technical committees.
Key Responsibilities
- Due Diligence & Technical Evaluation
- Conduct detailed technical due diligence on mining and processing projects.
- Review PFS, FS, BFS and operational studies.
- Assess process designs, flowsheets, mass balances and operating risks.
- Evaluate CapEx and OpEx cost estimates.
- Identify risks, optimisation opportunities and value levers.
- Build techno‑economic model for the project/operation.
- Site Visits & Operational Audits
- Carry out structured site visits.
- Perform plant walk‑downs and gather operational data.
- Prepare detailed site visit reports.
- Diagnose bottlenecks and recommend improvements.
- Support to Trading & Commercial Teams
- Provide metallurgical evaluations of concentrates, intermediates and ores.
- Model recovery expectations,



penalty elements and payabilities.
- Support commercial negotiations with technical insights.
- Support to Company Operations & Partners
- Offer process engineering guidance to operating assets.
- Assist with troubleshooting, optimisation studies and production forecasting.
- Contribute to SOPs, testwork programs and metallurgical accounting.
- Peer Review & Technical Governance
- Conduct independent peer reviews of reports and process designs.
- Validate engineering assumptions and design criteria.
- Support project stage‑gates by reviewing deliverables.
- Representation on Technical Committees
- Act as company representative on technical committees.
- Review and challenge operating plans and budgets.
- Ensure alignment with corporate strategy and ESG standards.
- Facilitate communication between operations and corporate teams.

Knowledge, Skills, and Abilities
- Bachelor’s degree in Metallurgical, Chem

📌 Metallurgist - Process Engineer (Santiago)
🏢 Puma Energy
📍 Santiago