Plant Metallurgist (1 year fixed term contract)

Plant Metallurgist (1 year fixed term contract)

OceanaGold is a growing mid-tier gold and copper producer listed on the Toronto Stock Exchange (TSX). With four operating mines—Haile in the USA, Didipio in the Philippines, and Macraes and Waihi in New Zealand—we are committed to safe, responsible mining that generates strong returns and supports sustainable development.

Job Description

Are you tired of FIFO? Missing family, friends and milestone celebrations regularly? Imagine having a true work-life balance located in the Coromandel region of Waihi, New Zealand. No more FIFO. No more extreme heat waves. Enjoy the lifestyle of a residential mining location, with days off for hiking, adventuring, fishing, and skiing in winter.

Provide technical expertise, guidance and reasoning to ensure the process plant is metallurgically optimised to safely produce gold in the most cost effective and sustainable way. Apply chemical, metallurgical and process engineering fundamentals to solve problems or improve existing processes.

Key Tasks and Responsibilities

Production / Operational

• Update plant critical parameters for processing.
• Monitor and track reagent usage and cost in accordance with budget and weekly / forecast plans.
• Monitor metallurgical performance through throughput, feed grades, tails grades and recoveries in accordance with budget and weekly plans.
• Conduct plant trials and surveys.
• Walk the circuit at least twice daily and provide operational feedback to Process Coordinators regarding housekeeping, circuit operation and operator coaching.
• Review Pi Vision, Asset Intellect and critical laboratory spreadsheets before daily production meetings to provide metallurgical directions and learnings.
• Communicate with Process Coordinators to ensure metallurgical optimisation in the process plant.
• Develop test work programs for metallurgical technicians as required to assist plant optimisation.
• Participate in metallurgical on-call coverage and weekend support as required.
• Participate in Mining blend meetings.
• Provide metallurgical support to other OceanaGold sites as required.
• Manage process automation and process control to optimise metallurgical plant performance.
• Develop and update process flowsheets and metallurgical plant design.
• Improve environmental performance of metallurgical operations and meet environmental standards.
• Review processing plant parameters in reference to future ore test work results to identify potential risks and improvement opportunities.
• Perform process troubleshooting and metallurgical investigations to ensure the plant is optimised metallurgically.
• Other tasks as assigned in the Annual Incentive Plan (AIP).

Maintenance

Reporting

Qualifications

Experience

Additional Information

What’s On Offer :

Applications close 21 October 2025. Shortlisting will commence immediately. A valid New Zealand work visa is required for this position.

Equal Employment Opportunity

OceanaGold is committed to providing equal employment opportunities. If you require assistance applying for this opportunity, please contact us at Applications from agencies will not be accepted.

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