Rio Tinto Aluminium – Amrun in Boyd Point, QLD is hiring a Completion Engineer to drive safe, efficient delivery of sustaining capital and project works on site at Amrun. The contract starts January 2027 for 12+ months, reporting to site leadership and coordinating with stakeholders in a high‑performing mining setting. You will implement Smart Completions, build QA processes, coach contractor teams, and ensure handover readiness.