Principal Mining Engineer

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, systems, and engineering procedures. Support safe and efficient mining operations through effective planning and risk management. Ensure compliance with company standards, regulatory requirements, and engineering best practices. Build strong working relationships across site and corporate teams to support integrated planning and operational delivery. Mentor and develop engineering personnel while promoting a strong safety culture. Degree in Mining Engineering. Extensive mine planning experience within an underground mining environment preferably open stoping (minimum 10 years). Strong knowledge of mine planning, scheduling principles and sustainable mining practices. Expert proficiency in Deswik CAD and Scheduling Suite. Strong problem-solving, analytical, and critical thinking skills. Ability to work effectively within cross-functional and multidisciplinary teams. Excellent communication skills, including preparation of technical reports and presentation across the business Exposure to international mining practices considered highly advantageous WHAT'S ON OFFER: Competitive salary + STI Accommodation and food provided on site 20/10 roster Living Our Values recognition program Access to OceanaGold Employee Assistance Program (EAP) Exceptional working environment where people are valued and respected 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 careers@oceanagold.com PLEASE NOTE: APPLICATIONS FROM AGENCIES WILL NOT BE ACCEPTED