Mine Maintenance Mechanic – Mobile Equipment

The journey with Capstone Copper starts here. Our people are the heart of our organization, committed to growth and developing a skilled and engaged workforce.

About the role

Pinto Valley is an open-pit copper mine in central Arizona, near Phoenix. The mine has been operational since 1972 and has produced over four billion pounds of copper. Located close to the Greater Phoenix metro area, it offers a blend of mining industry opportunities and the vibrancy of downtown Phoenix.

Responsibilities

• Inspect, maintain, troubleshoot, and repair heavy-duty mobile mining equipment including haul trucks, dozers, hydraulic shovels, motor graders, front-end loaders, and articulated trucks.
• Diagnose and repair mechanical, hydraulic, pneumatic, and basic electrical systems using OEM manuals, schematics, and standard procedures.
• Perform scheduled preventive maintenance, condition monitoring, contamination control, lubrication, and basic air conditioning service.
• Safely operate and move mine equipment to support inspections, servicing, testing, and repairs.
• Perform maintenance tasks in shop and field environments, including the use of small mobile equipment, aerial lifts, and forklifts.
• Comply with MSHA regulations, site procedures, confined space, fall protection, and equipment isolation standards.
• Utilize maintenance systems and documentation, including OEM repair manuals and SAP where applicable.
• Mentor and support the development of less experienced maintenance mechanics.
• Identify equipment issues proactively and contribute to improved equipment reliability and uptime.
• Perform other maintenance-related tasks as assigned.

Requirements

• A minimum of 3 years of experience maintaining and repairing heavy-duty mobile mining equipment.
• A minimum of 3 years of experience using Cat ET or similar diagnostic software.
• Understanding of mechanical, hydraulic, pneumatic, and electrical fundamentals.
• Experience working with OEM maintenance repair manuals and schematics.
• Ability to safely operate and move mine equipment for servicing and testing.
• Knowledge of confined space, fall protection, and equipment isolation procedures.
• Ability to speak, read, comprehend, and write English.

Preferred

• Knowledge of condition monitoring, contamination control, lubrication, and basic air conditioning systems.
• Experience operating small mobile equipment, aerial lifts, and forklifts.
• SAP maintenance system experience.
• Demonstrated ability to mentor and train junior mechanics.

Work Environment / Physical Demands

• Ability to stand and walk for extended periods, including stairs and uneven surfaces.
• Ability to climb ladders and work safely at heights.
• Ability to lift and carry up to 75 pounds.
• Ability to work in hot, cold, and high-humidity environments.
• Ability to kneel, crawl, stoop, and squat, including occasional work in confined spaces.

Additional Duties

Perform other maintenance-related tasks as assigned.

Position Requirements

• Pre-employment medical exam, drug and alcohol test, and background check.
• Pre-placement physical examination.
• Training and/or testing may be required.

Equal Opportunity Employer

Capstone Copper is an equal opportunity employer.