Locomotive Mechanic

Underground Locomotive Mechanic

• Join a leader in mining & metals offering outstanding personal development & global career opportunities.
• Competitive salary and benefits.
• Work in an underground project located near Superior, Arizona.

About the Role

We are looking for an Underground Locomotive Mechanic to join Resolution UG Operations & Maintenance team to support the safe and reliable operation of underground rail and locomotive systems. This hands‑on role is critical to maintaining diesel and battery locomotives, rolling stock, rail infrastructure, and associated systems that support underground production and development activities.

This role is a great opportunity to become part of The Resolution Copper Company that is located in the historical Pioneer Mining District, 60 miles east of Phoenix, Arizona. Reporting to the UG Mechanical Supervisor.

Role Responsibilities

• Perform inspection, maintenance, troubleshooting, and repair of underground diesel and battery locomotives, rail cars, and associated systems
• Diagnose mechanical, hydraulic, pneumatic, and braking system faults and complete corrective repairs
• Support preventive and predictive maintenance programs to ensure equipment reliability and compliance
• Follow approved Safe Work Procedures (SWPs), conduct Take 5 / pre‑task risk assessments, and verify critical controls prior to work
• Respond to locomotive breakdowns and unplanned maintenance events underground
• Maintain rail equipment in compliance with site standards, MSHA requirements, and manufacturer specifications
• Accurately complete maintenance documentation, defect reports, and work management records
• Collaborate with operations and other trades to support safe, coordinated underground activities
• Participate in continuous improvement initiatives, housekeeping audits, and safety observations

About you

• High school diploma or equivalent
• Journeyman‑level mechanical trade qualification
• Proven experience maintaining locomotives, rail equipment, or heavy mobile mining equipment
• Strong understanding of mechanical systems including engines, drivetrains, braking systems, and hydraulics
• Ability to work safely in confined, underground environments while wearing required PPE
• Strong fault‑finding, problem‑solving, and communication skills
• Commitment to safety, teamwork, and operational excellence
• Current valid driver’s license
• Be a team player who contributes and works with others to accomplish quality results

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

Where you will be working

Resolution Copper has the potential to supply nearly 25% of the US copper demand and create several thousand direct and indirect jobs in the Pioneer Mining District of Arizona, with an economic value of several billion dollars over the estimated mine life.

The project will rely on a technique called block caving to extract the deposit that lies more than 2,000 meters deep. This technique uses gravity to help remove the ore and is the most viable way to recover the resource.

Resolution Copper will continue underground development, conduct extensive drilling and orebody testing, plus maintain the permitting and public engagement process.

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.