Supervisor – Field Maintenance, Kennecott Copper

• Lead a maintenance team at one of the world’s largest open‑pit copper mines, supporting critical assets that keep Kennecott running safely and reliably

• Enjoy a 4 days on / 4 off / 4 nights rotating roster, offering real work–life balance while being home every night

• Join a stable, well‑resourced operation with strong pay, benefits, and long‑term career opportunities in Salt Lake City

At Rio Tinto, we are committed to creating an inclusive and welcoming workplace where everyone feels safe, respected, and able to succeed. We actively encourage applications from women and from people with diverse backgrounds, experiences, and perspectives. We know that great technical capability comes in many forms, and we’re focused on building teams that reflect the communities we operate in and support each other to do their best work.

We’re Finding Better Ways™ to provide the materials the world needs, now and in the future. Our values – care, courage and curiosity – guide how we work and how we treat each other.

About the role

We are looking for a Field Maintenance Supervisor to lead maintenance crews and coordinate shift activities safely, efficiently, and in a cost‑effective manner at Kennecott Copper.

Reporting to the Superintendent, Field Maintenance, and working a 4 days on / 4 days off / 4 nights rotating shift roster, you will lead and support maintenance trades to deliver planned maintenance, breakdown repair, and asset reliability outcomes across the operation.

Working closely with production, planning, and maintenance stakeholders, you will ensure work is executed safely, within scope, and aligned to maintenance and asset management standards.

You will be responsible for:

• Leading, coaching, and managing a team of maintenance tradespeople to deliver safe and reliable outcomes

• Promoting and enforcing a strong safety culture, ensuring compliance with site safety procedures, statutory requirements, and safe work practices

• Supervising, coordinating, and monitoring execution of planned maintenance, shutdown activities, and unplanned breakdown work

• Allocating resources and sequencing work based on priority, equipment availability and labor availability

• Working closely with maintenance planners to ensure planned jobs are within scope and providing feedback on completed, deferred, or rescheduled work

• Overseeing day‑to‑day maintenance activities and ensuring consistent application of maintenance and asset management processes

• Applying asset management principles including lifecycle management, optimization, forecasting, and risk mitigation

• Identifying, investigating, and resolving maintenance and operational issues to minimize downtime and improve reliability

• Providing timely and accurate data entry into maintenance and reporting systems (e.g., work order history, employee time, and reports)

• Communicating clearly and effectively with maintenance teams, operational leaders, and key stakeholders

• Promoting continuous improvement by working with customers and team members to improve maintenance productivity, quality, and service

• Ensuring high standards of quality and workmanship across all maintenance activities

About you

• A commitment to the safety of yourself and your team

• Minimum 5 years’ experience in maintenance or operations within an industrial electrical and mechanical environment

• Demonstrated leadership or supervisory experience

• Experience maintaining and supervising work on medium and high voltage electrical systems (4.16 kV and above)

• Strong knowledge of safe electrical troubleshooting and preventative maintenance strategies

• Ability to manage people, resolve on‑the‑job issues, and lead during breakdowns and shutdowns

• Minimum high school diploma or GED; (electrical trade qualification strongly preferred)

• Valid driver’s license

• Strong communication, planning, and organizational skills

It will also be beneficial if you have:

• Prior experience in mining or heavy industrial operations

• Working knowledge of SAP and Microsoft Office, including Excel

Applicants must be authorized to work in the United States without current or future visa sponsorship.

What we offer

• A work environment where safety is always the number one priority.

• Competitive base salary reflective of your skills and experience with an annual incentive bonus.

• 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.

• Attractive share ownership plan.

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

• A generous parental leave policy, which ensures you’re able to spend quality time with your new family.

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

• Access to our Employee Assistance Program (EAP), which provides confidential counselling or expert guidance for you and your family to help get through life’s challenges.

Where you'll be working

Our Kennecott mine is a world-class, fully integrated copper mining operation, including a concentrator, smelter, and refinery, located just outside Salt Lake City, Utah, in the United States. We produce copper, precious metals including gold and silver, molybdenum, and sulfuric acid. Kennecott has been mining and processing minerals from the rich ore body of the Bingham Canyon Mine since 1903 and is one of the top producing mines in the world, comprising approximately 11 percent of U.S. annual copper production.

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.

Respect and Inclusion

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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