Administrative Assistant

• Play a pivotal role in team effectiveness by managing schedules, coordinating meetings across time zones, supporting strategic priorities, and driving engagement through thoughtful planning and communication.

• Contribute to business success through budget oversight, procurement, process improvement, and project support, ensuring efficient operations and strong stakeholder relationships at all levels.

• Permanent opportunity, with the option to work in Salt Lake City, Utah or Montreal, Quebec.

About the role

Finding better ways™ to provide the materials the world needs.

We are looking for an Administrative Assistant to join our team and support senior leadership in a dynamic, fast-paced environment. This is a key role at the heart of the team’s operations, where you will coordinate complex schedules across time zones, plan and execute meetings, and help leaders stay focused on strategic priorities. You will also contribute to critical business functions by managing budgets, supporting procurement processes, and participating in project and process improvement initiatives. The ideal candidate is detail-oriented, proactive, and thrives on building strong relationships while ensuring smooth and efficient operations across the board. This is a great opportunity to make a meaningful impact while gaining exposure to diverse aspects of business administration.

Reporting to the General Manager, Closure, you will be:

• Coordinating schedules, meetings, and travel arrangements for senior leaders while balancing multiple priorities and stakeholders across time zones.

• Managing administrative tasks including documentation, internal communications, office supplies, and maintaining efficient filing systems.

• Supporting budget tracking and financial processes by preparing reports, analysing variances, reviewing expense submissions, and contributing to forecasting and annual planning.

• Liaising with vendors and finance teams to manage procurement processes, follow up on requisitions, and resolve invoicing issues.

• Contributing to business improvement initiatives by helping design and implement streamlined processes, participating in system rollouts, and supporting cross-functional projects.

• Building strong working relationships across teams, promoting a collaborative environment, and representing the leadership team with professionalism and approachability.

What you’ll bring

• Minimum of 5 years’ experience providing high-level administrative support to senior leadership teams.

• Strong expertise in managing complex calendars, coordinating meetings across multiple time zones, and handling last-minute scheduling changes.

• Proven ability to organize detailed travel arrangements, including international itineraries and visa requirements.

• Experience with budget oversight, expense reporting, and using financial systems such as SAP/BW Hanna.

• Proficiency in Microsoft Office Suite and strong general computer skills required.

• Solid knowledge of procurement processes and vendor management, ensuring compliance and effective collaboration.

• Excellent communication and interpersonal skills to build strong relationships with stakeholders at all levels.

• A proactive approach to supporting projects, driving process improvements, and delivering training when needed.

• Discretion, professionalism, and emotional intelligence to manage sensitive information and maintain confidentiality.

What we offer

We are committed to providing our employees with a generous benefits package. Be recognized for your contribution, your thinking, your hard work, and go home knowing you’ve helped the world progress, we provide:

• A safety-focused and inclusive working environment

• Advantageous salary package with annual cash incentive awards (STIP) for eligible employees.

• Access to top-tier family-friendly health programs including medical, prescription drug, dental, vision, life insurance coverage, and various voluntary benefits.

• Excellent retirement plan including up to 6% defined company contribution; Generous 401k matching program.

• Generous Rio Tinto employee share program, which allows you to purchase Rio Tinto Company shares.

• Comprehensive leave policies which cover all moments that matter in life: PTO (paid time off), paid holidays, and paid bereavement leave.

• A favorable child-caregiver leave program (Up to 100% salary top-up)

• Discount programs for leisure purposes and access to Virgin Pulse with incentives supporting your wellbeing.

• Ongoing Employee Assistance Program (EAP) for you and your family; to help in addressing educational opportunities, addiction treatment, depression, stress, domestic issues, financial management, and legal concerns.

• Our team and industry experts are here to support and work with you to explore your learning potential and career goals.

About Rio Tinto

Rio Tinto is a leading global mining and materials company. We operate in 35 countries where we produce iron ore, copper, aluminium, critical minerals, and other materials needed for the global energy transition and for people, communities, and nations to thrive.

We have been mining for 150 years and operate with knowledge built up across generations and continents. Our purpose is finding better ways to provide the materials the world needs – striving for innovation and continuous improvement to produce materials with low emissions and to the right environmental, social and governance standards. But we can’t do it on our own, so we’re focused on creating partnerships to solve problems, create win-win situations and meet opportunities.

Every Voice Matters

Rio Tinto is committed to equal employment opportunity. All qualified applicants will be considered without regard to race, color, sex, age, religion, national origin, disability, or any other characteristic protected by federal, state, or local law.

We are committed to an inclusive environment where people feel safe, respected and valued. We want our people to feel that all voices are heard and that a variety of perspectives are not only welcome but are essential to our success. We treat all our people fairly and with dignity.

Rio Tinto participates in E- Verify to confirm work authorization. Please visit http://www.ucis.gov/ for more information.

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