PrincipalMiningEngineer

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. Didipio Mine is undergoing a significant underground growth and infrastructure expansion phase. With continued operational ramp-up and long-term development opportunities, this is an exciting time to join the operation and play a key role in shaping its future. The Principal Mining Engineer is responsible for developing and maintaining long-term mine plans that support the company’s strategic and operational objectives. The role ensures alignment across long, mid, and short-term planning horizons while integrating technical, operational, infrastructure, and economic inputs to deliver safe, efficient, and sustainable mining outcomes. Key Responsibilities * Lead the development and optimisation of Life of Mine plans, production schedules, and infrastructure requirements. * Coordinate quarterly and long-term planning activities across technical and operational teams. * Monitor and update mine plans based on operational performance and business priorities. * Conduct scenario analysis and trade-off studies to support operational and investment decisions. * Develop and maintain mine planning standards, syst