Supervisor - Mobile Maintenance, Surface Mine

Rio Tinto • Salt Lake City, UT

4d • Onsite

About The Position

We are looking for a Supervisor – Mobile Maintenance to lead a team responsible for maintaining and repairing critical mining equipment, ensuring safe, reliable, and efficient operations. Reporting to the Maintenance Superintendent, on a 5x5x4 rotating shift roster (days and nights) and working collaboratively with operational and functional teams, you will be responsible for leading, coaching, and managing a team of maintenance tradespeople and embedded contractors (typically 18–21 personnel). You will promote and enforce a strong safety culture aligned to MSHA standards and Rio Tinto’s Zero Harm commitment, lead incident investigations and ensure effective corrective actions are implemented, and ensure compliance with site safety systems, permits, and risk assessments. You will supervise and coordinate preventative, corrective, and breakdown maintenance on heavy mobile mining equipment including haul trucks, dozers, excavators, loaders, graders, and drills. You will make real-time decisions to support safe and efficient production outcomes, including exercising stop-work authority when required. You will allocate resources and sequence work based on operational priorities, equipment availability, and workforce capability, and ensure high-quality execution of maintenance activities, minimizing downtime and improving asset reliability. You will work closely with planning and operations teams to align maintenance activities with production requirements, identify, investigate, and resolve equipment and operational issues to improve performance outcomes, and maintain accurate records in maintenance systems, including SAP, and support continuous improvement initiatives. You will also facilitate effective shift handovers and team communication using tools such as Microsoft Teams, Outlook, and Excel.

Requirements

• A commitment to the safety of yourself and your team
• Demonstrated leadership or supervisory experience within a mining or heavy industrial maintenance environment
• Strong experience maintaining heavy mobile equipment, including hydraulic and mechanical systems
• Proven ability to lead teams, manage competing priorities, and respond effectively during breakdowns and shutdowns
• Knowledge of preventative maintenance, fault diagnosis, and asset management practices
• Strong communication and stakeholder engagement skills across maintenance and operations teams
• Ability to build an inclusive, respectful, and high-performing team culture
• Minimum high school diploma or GED; trade qualification preferred
• Valid driver’s license
• Candidates who are legally authorized to work in the United States

Nice To Haves

• experience with OEM equipment such as Caterpillar and/or Komatsu

Responsibilities

• Leading, coaching, and managing a team of maintenance tradespeople and embedded contractors (typically 18–21 personnel)
• Promoting and enforcing a strong safety culture aligned to MSHA standards and Rio Tinto’s Zero Harm commitment
• Leading incident investigations and ensuring effective corrective actions are implemented
• Ensuring compliance with site safety systems, permits, and risk assessments
• Supervising and coordinating preventative, corrective, and breakdown maintenance on heavy mobile mining equipment including haul trucks, dozers, excavators, loaders, graders, and drills
• Making real-time decisions to support safe and efficient production outcomes, including exercising stop-work authority when required
• Allocating resources and sequencing work based on operational priorities, equipment availability, and workforce capability
• Ensuring high-quality execution of maintenance activities, minimizing downtime and improving asset reliability
• Working closely with planning and operations teams to align maintenance activities with production requirements
• Identifying, investigating, and resolving equipment and operational issues to improve performance outcomes
• Maintaining accurate records in maintenance systems, including SAP, and supporting continuous improvement initiatives
• Facilitating effective shift handovers and team communication using tools such as Microsoft Teams, Outlook, and Excel

Benefits

• 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.

What This Job Offers

• Job Type: Full-time
• Career Level: Manager
• Education Level: High school or GED