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.
Our purpose is mining gold for a better future. The gold, copper, and silver we produce power renewable energy, life-saving medical devices, and the technology that connects communities. Beyond this, our operations drive economic growth and improve health and education outcomes in the regions we serve, supporting over 3,700 direct jobs globally.
Guided by our values—Care, Respect, Integrity, Performance, and Teamwork—we strive to be a trusted company people want to work for, partner with, and invest in, creating lasting value for all our stakeholders.
Our Macraes-based Metallurgical team have an exciting opportunity for an Innovation Development Engineer to join the team. Working as an integral part of the Metallurgical team, this role will focus on focus on digital information, providing technical expertise, guidance and reasoning to the operations and maintenance teams with the objective to optimise the process plant performance through the implementation of innovation.
If you've got a degree and experience in Metallurgy / Chemical / Process Engineering, or the equivalent, and are keen to work for New Zealand's largest gold mine, keep reading!
Key Tasks and Responsibilities:
- Review process control configurations to improve overall circuit / equipment performance.
- Develop and maintain ‘LIVE’ mass balances on Asset Intellect/Pi Vision for each circuit in plant.
- Assist Process Plant teams with process troubleshooting and metallurgical investigations to ensure the process plant is optimised.
- Monitor and evaluate processing plant parameters to identify potential risks or innovation improvement opportunities.
- Review existing metallurgy, maintenance and operations monitoring sheets with the aim to automate (Eg: Asset Intellect/PI Vision).
- Point of contact for Site’s PI System and Asset Intellect administration and development support.
- Optimisation of Plant Data Collection (Reagents, Power, LPG, Process Water, Return Water live Balances etc).
- Key resource for PI Analytics & MATLAB use with the aim of improving business operation.
- Degree in Metallurgy / Chemical / Process Engineering, or the equivalent.
- Full and Current Driver Licence, ability to drive manual vehicles is preferred.
Experience:
- Two to five years’ experience preferable in mineral processing or industrial processes.
- Experience with PI integration with MATLAB software would be well regarded as would project development and production focused experience.
- Residential role, live and work in the stunning region of Otago, NZ.
- 5 days on / 2 days off / 4 days on / 3 days off, 7:00am - 4:30pm roster based at Macraes Mine
- Competitive salary + bonus scheme
- Discounts on retail and services
- Free Southern Cross Healthcare and Life Insurance
- Monthly health and wellbeing allowance
- Long service recognition
- Living Our Values recognition program
- Free transport to work
- Study assistance
- Access to OceanaGold Employee Assistance Program (EAP)
- Exceptional working environment where people are valued and respected
OGC VALUES: CARE | RESPECT | INTEGRITY | PERFORMANCE | TEAMWORK
**Applications close 31 May 2026. Shortlisting will commence immediately. Applicants must be eligible to work in New Zealand.
YOU MATTER: OceanaGold is committed to providing equal employment opportunities. We believe a variety of perspectives are not only welcome – they are essential to our success. Should you require any assistance applying for this opportunity, please contact us at [email protected]
PLEASE NOTE: APPLICATIONS FROM AGENCIES WILL NOT BE ACCEPTED
What We Do
OceanaGold is a growing intermediate gold and copper producer committed to safely and responsibly maximizing the generation of Free Cash Flow from our operations and delivering strong returns for our shareholders. We have a portfolio of four operating mines: the Haile Gold Mine in the United States of America; Didipio Mine in the Philippines; and the Macraes and Waihi operations in New Zealand.
