Heavy Diesel Mechanic - Open Pit Workshop

Based at the Macraes mine, you will safely and efficiently undertake the maintenance, repairs and servicing of all mining machinery and ancillary plant/equipment across the open pit maintenance workshop as directed by the Supervisor. At all times, display a high degree of professionalism and quality workmanship to ensure that cost effective maintenance and repairs are delivered. This role works on a 7 days on / 7 days off / 7 nights on / 7 day off roster. Key responsibilities: Repairs, maintenance and daily inspection of the mining fleet and other plant and equipment in the field. CAT 789 C/D OHT, CAT 18 Graders, CAT D10T Tractors, 992K,988H Loaders, Hitachi EX3600 Excavators. Attending and repairing breakdowns of the mining fleet and ancillary plant. General repairs and maintenance on all mining, ancillary and support plant. Daily servicing (refuelling and lubrication) of mining and ancillary plant when required. Basic repairs to electrical systems on the mining fleet and ancillary plant. Planned replacements of machinery components and component repair/rebuilds. Record & report usage of all components, parts, G.E.T and other resources on work-order job cards. National Certificate in Automotive Heavy Engineering - Plant and Equipment Level 4 or 5 or equivalent (preferred) or other relevant industry Trade qualifications. First Aid, Forklift, Overhead Crane, rigging and slinging, Work at Height etc. to relevant NZ standards advantageous but not essential. Full, clean and current drivers Licence, ability to drive manual vehicles is essential. Experience Experience in repairs, maintenance and field service of heavy mining machinery on large mining excavators, trucks, drills rigs, graders, dozers and other ancillary equipment is preferred but not essential. Must have well-rounded diagnostic and problem solving skills with the ability to quickly identify and repair faults to a high standard. Residential role, live and work in the stunning region of Otago, NZ. 7 on / 7 off, day/night shift roster Competitive salary + benefits Discounts on retail and services Free Southern Cross Healthcare and Life Insurance Long service recognition Living Our Values recoginition program Onsite Physiotherapist and nurse suite Free transport to work Flexible work arrangements (role dependent) Study assistance Access to OceanaGold Employee Assistance Program (EAP) Exceptional working environment where people are valued and respected **Applications close 22 September 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 PLEASE NOTE: APPLICATIONS FROM AGENCIES WILL NOT BE ACCEPTED 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.