- Join a close‑knit crew where safety, teamwork, and pride in craft come first every shift
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Earn competitive pay and benefits while working on one of the most advanced shaft projects in North America
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Build a stable, long-term career close to Superior, Arizona in collaborative environment
About the Role
This is an opportunity for a mechanically minded, safety-driven professional who thrives in a dynamic underground environment. As an Underground Technician, you will tackle complex maintenance activities, support shaft operations, and contribute to a culture where every task is planned and executed with care. If you are looking for meaningful work, strong team support, and the chance to develop specialized skills, this role offers all three.
In this role, you arrive underground, connect with your crew, and walk through the day’s plan with your supervisor. You complete inspections on the hoisting system, identify a minor issue early, and fix it before it impacts production. Working with your team, you safely rig and move equipment through the shaft, keeping everything on schedule.
You will be supported by an experienced Underground Electrical Supervisor who prioritizes safety, learning, and team success, setting you up with clear directions and the tools you need to perform your best. Your duties will include:
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Put safety first by following all procedures and actively contributing to a zero-harm work environment
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Inspect, maintain, and repair hoisting and shaft systems to ensure safe and reliable operation
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Safely rig, sling, and move equipment in and out of the shaft
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Operate mobile crane equipment to support maintenance and logistics activities
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Diagnose issues and apply practical solutions to minimize downtime
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Coordinate with team members to execute work efficiently and safely
About you
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A commitment to the safety of yourself and your team
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High school diploma or equivalent
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Strong problem-solving and fault-finding skills with mechanical aptitude
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Effective communicator who works well within a team environment
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Ability to work safely in an underground environment, including lifting, climbing, and operating in confined spaces while wearing required PPE
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Take pride in delivering quality work and supporting team success
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Valid driver’s license and ability to meet site access
Even if your profile does not fully meet all qualifications, we encourage you to apply, transferable skills and the right attitude are highly valued.
What we offer
We are committed to providing our employees with a generous benefits package. Be recognized for your contribution, your way of thinking, your hard work, and go home knowing you’ve helped the world progress, we provide:
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A safety-focused and inclusive working environment
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Advantageous salary package with annual cash incentive awards (STIP) for eligible employees
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Access to top-tier family-friendly health programs including medical, prescription drug, dental, vision, life insurance coverage, and various voluntary benefits.
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Excellent retirement plan including up to 6% defined company contribution; Generous 401k matching program
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Generous Rio Tinto employee share program, which allows you to purchase Rio Tinto Company shares.
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Comprehensive leave policies which cover all moments that matter in life: PTO (paid time off), paid holidays, and paid bereavement leave.
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A favorable child-caregiver leave program (Up to 100% salary top-up)
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Discount programs for leisure purposes and access to Virgin Pulse with incentives supporting your wellbeing
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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.
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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.
