Master Plant Maintenance Technician

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Manual Labor Miami, AZ, US

4 days ago Requisition

WHAT WE OFFER

Your journey with Capstone Copper starts here. At Capstone, our people are the heart of our organization. We are focused on growth and are committed to unlocking the full potential of ourselves, our teams and our resources. We invest in our people to develop a skilled and engaged workforce, not only for today, but for the future. If you are looking for a purposeful, performance-driven and dynamic work environment, join us!

Pinto Valley is an open-pit copper mine located at the west end of the historic Globe-Miami mining district of central Arizona, approximately 80 miles east of Phoenix. Pinto Valley has been in operation since 1972 and has produced more than four billion pounds of copper. Acquired by Capstone from BHP in 2013, the mine is fully permitted through 2039 and a study is underway to potentially extend the mine life through 2050.

Our proximity to the Greater Phoenix metro area provides prospective employees with the option to live in communities such as Mesa, Apache Junction, Gilbert, Chandler, San Tan Valley, or Florence. Our location offers a unique work-life balance, blending the rewarding opportunities of the mining industry with easy access to the vibrant energy of Downtown Phoenix, making it an ideal choice for both individuals and their families.

Capstone employees are eligible for an extensive total rewards package, designed to support your physical, mental, financial, and emotional well-being. This package includes, but is not limited to:

• Eligibility for quarterly bonus of up to 8% of regular earnings
• 401(k) Savings Plan and Employee Share Purchase Plan, both with company matching
• Affordable Medical, Dental, and Vision benefits (effective on start date), including Telehealth options and additional supplemental insurances
• Disability and Life Insurance (effective on start date)
• Paid time-off, including vacation, holidays and sick leave
• Employee Assistance Program
• Internal progression opportunities
• Discounted insurance plans for pets, automobiles and homes
• We offer a 7-on, 7-off schedule that consists of one week of 12-hour day shifts followed by one week off, followed by one week of 12-hour night shifts. We also have a 4-on, 3-off schedule that consists of all day shifts. These schedules offer a great work-life balance with ample time for rest and personal activities.
• Additional Potential Benefits:
• $5k sign on bonus (previous Capstone employees not eligible)
• Relocation assistance available

POSITION OVERVIEW

The Master Plant Maintenance Technician leads and executes advanced mechanical maintenance activities across fixed plant systems at Pinto Valley Mine. This role focuses on critical process equipment including mills, pumps, flotation circuits, thickeners, filters, conveyors, and tailings systems to ensure safe, reliable, and efficient operation.

This position serves as a subject matter expert, providing advanced diagnostics, technical direction, and support to maintenance, reliability, and operations teams. The role drives continuous improvement, supports maintenance planning, and ensures work is completed to specification with minimal impact to production.

POSITION RESPONSIBILITIES

• Maintenance Execution & Oversight:
  Lead and perform maintenance on fixed plant equipment, ensuring work is completed safely and in compliance with technical specifications and quality standards.
• Advanced Diagnostics:
  Diagnose complex mechanical failures, identify root causes, and implement corrective and preventive actions.
• Technical Leadership:
  Provide direction to field teams during critical or high‑risk repairs and serve as the escalation point for complex issues.
• Equipment Inspections:
  Conduct structural, mechanical, and hydraulic inspections on plant equipment including mills, pumps, flotation cells, thickeners, filters, and auxiliary systems.
• Planning & Coordination:
  Coordinate with planning, reliability, and execution teams to prioritize and schedule critical…