Jobs at Rio Tinto

Prepare corporate income tax returns in OneSource, perform tax accounting (journal entries, reconciliations, group reporting), support IRS and state audits, conduct detailed tax research, collaborate with Finance on tax accounting positions, ensure Sarbanes-Oxley compliance, and implement process improvements.

Support daily open‑pit mining operations by coordinating dig/load/haul/dump activities, monitoring field conditions and equipment, collecting production data, assisting short‑term planning, liaising with technical teams, promoting safety, coaching personnel, and helping investigate incidents to improve efficiency and compliance.

Internship (Fall 2026) supporting training and knowledge management: design and structure training content, update documentation, map knowledge, support training delivery, and collaborate with internal experts to formalize and share knowledge. Hybrid role based in Montreal with possible remote option for candidates outside the region.

Ensure safe, stable day-to-day operations of the Hydroxide Line 2 production unit. Resolve production/process issues, lead process safety and reliability improvements, support MOC and incident investigations, analyze asset utilization, and maintain process technology documentation while coordinating with EHS, commercial, manufacturing, and R&D teams.

Lead project governance, assurance and continuous improvement for a sustaining capital portfolio. Influence investment decisions, optimise capital allocation, implement portfolio reporting and standards, drive digital tool and data governance improvements, and coach project teams to adopt consistent project management practices across Pacific Operations.

Lead electrolysis technology development to advance TRL, define and manage an electrolysis project portfolio, coordinate modeling/lab/pilot activities, mentor operations engineers, develop test plans, and drive cross-department collaboration to scale and deploy ELYSIS smelting solutions.

Plan and optimize maintenance shutdowns to ensure safety, reliability, and efficiency. Develop detailed schedules, forecast risks, align resources, support governance, and drive continuous improvement alongside cross-functional teams.

Lead and coach HSE professionals to support contractor performance and implement HSE programs across site contracts. Conduct audits, inspections, risk assessments, incident investigations, reporting, onboarding, emergency preparedness, and drive visible safety culture in close collaboration with operations and HSE functions.

Lead global deployment and governance of Rio Tintos D7 Functional Safety Standard across product groups. Provide strategic advisory on complex system architectures, SIL assessments, FSAs, audits, MOC reviews, training, capability building, incident investigations, and cross-discipline collaboration to ensure consistent FS lifecycle execution.

Perform planned and breakdown maintenance on fixed plant electrical and instrumentation equipment at an alumina refinery. Troubleshoot, calibrate, repair and service PLCs, instrumentation, motor drives, VSDs and autonomous forklift systems. Work at heights, collaborate with mechanical teams, and promote safety and performance improvements.

Maintain and ensure reliability of plant mechanical equipment through preventive maintenance, support startup/commissioning, participate in problem-solving and continuous improvement with process teams, and apply HSE principles while supporting operations at Alma and Jonquiere sites.

Builds an Indigenous talent pool for Rio Tinto IOC based in Labrador City to support future hiring across maintenance, operations, engineering, HSE, and support functions. Encourages Innu Nation members, prioritizes local candidates, and emphasizes safety, inclusion, and career development. Applicants in the pool will be contacted for relevant openings as they arise.

Lead technical strategy and process optimization for a large copper concentrator. Provide technical authority and governance across process engineering, process control, metallurgical performance, and geometallurgy. Coach and develop multidisciplinary teams, partner with operations and maintenance to improve throughput, recovery, quality, reliability, and cost, and drive long-term technology, automation, and digital initiatives to deliver sustainable business value.

Lead and implement a unified Communities & Social Performance (CSP) framework across Rio Tinto's South America copper projects; drive community engagement and social investment, lead human rights and social due diligence, strengthen governance and risk controls, support permitting and project development, and influence senior leaders, joint venture partners and cross-functional teams to integrate CSP requirements.

Perform accurate testing of raw, in-process, and finished product samples using ICP, GC, titrations and Karl Fischer. Enter and manage data in Thermo LQM, standardize and maintain equipment, train peers, troubleshoot instruments, assist production with sample handling, and support safety and emergency response teams.

Provide trusted financial advice and analysis to support site operational decision-making. Own planning, forecasting, variance analysis, financial modelling and performance reporting; partner with stakeholders to challenge assumptions, identify opportunities, and improve outcomes. Support systems and reporting improvements and uplift financial capability across the operation.

Lead and deliver high-value consulting projects for PACE/Rio Tinto: scope projects, manage client relationships, create and execute project plans, lead consultant and client teams, recruit and mentor consultants, and travel as required. Bilingual (FR/EN) and on-site in Montreal.

Lead development and delivery of Nuton® technology roadmap. Build and mentor a multidisciplinary R&D team, design laboratory-scale test work and modeling, manage budgets and schedules, partner with internal and external stakeholders, protect and evolve intellectual property, and translate innovation into scalable, value-creating copper leaching solutions.

Join Bell Bay Aluminium as an Electrical or Mechanical (Fitter & Turner) Apprentice to gain on-the-job training toward a recognised trade qualification. Work within maintenance teams, complete externally mapped apprenticeship training, follow safety and environmental procedures, and learn from qualified tradespeople and mentors across site operations.

Provide strategic, commercial legal advice to Resolution Copper across litigation, commercial, environmental compliance, permitting, land use, regulatory and community matters. Draft and negotiate legal documents, manage legal risk, train executives, liaise with operations and stakeholders, and coordinate with Rio Tinto Legal to support project development.