Supervisor Processing Maintenance in Miami, Arizona at Capstone Mining

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:

The Processing Maintenance Supervisor is responsible for leading the safe and efficient execution of preventive, corrective, and emergency mechanical maintenance activities for the processing plant. This role ensures maintenance work is completed on schedule to maximize equipment reliability, minimize downtime, and support production objectives while maintaining compliance with all safety, environmental, and regulatory requirements.

The Processing Maintenance Supervisor provides daily leadership to maintenance personnel, coordinates contractors and vendors, manages maintenance resources, and supports continuous improvement initiatives. This position is accountable for achieving departmental performance goals related to safety, equipment availability, maintenance execution, quality, and cost while fostering a culture of accountability, teamwork, and operational excellence.

• Safety & Compliance: Promote and enforce compliance with all company safety policies, procedures, and regulatory requirements, including MSHA standards.
• Maintenance Execution: Plan, coordinate, and supervise preventive, predictive, corrective, and emergency maintenance activities for fixed plant equipment.
• Work Management: Ensure maintenance work orders are properly planned, executed, documented, and closed in a timely manner.
• Equipment Reliability: Monitor equipment performance and implement maintenance strategies that improve reliability, reduce downtime, and support production targets.
• Planning & Scheduling: Support the development and execution of short-term and long-term maintenance plans, shutdown schedules, and outage activities.
• Resource Management: Allocate labor, equipment, and materials to meet maintenance priorities while maintaining cost-effective operations.
• Contractor Oversight: Coordinate and supervise contractors, vendors, and service providers to ensure work is completed safely, efficiently, and in accordance with company standards.
• Inventory & Materials: Monitor spare parts inventory, critical spares, and material availability to support maintenance activities.
• Budget Support: Monitor departmental spending and provide input into maintenance budgeting and cost control initiatives.
• Leadership & Development: Supervise, coach, mentor, and develop maintenance technicians to improve technical skills, productivity, and overall team performance.
• Performance Management: Establish clear expectations, conduct performance evaluations, provide ongoing coaching, and identify training needs.
• Field Leadership: Maintain a strong field presence to verify work quality, reinforce safe work practices, and address operational issues in real time.
• Continuous Improvement: Identify opportunities to improve maintenance processes, equipment performance, reliability, and operating costs through best practices and continuous improvement initiatives.
• Cross-Functional Collaboration: Work closely with operations, engineering, planning, procurement, and other departments to support production and maintenance objectives.
• Reporting & Documentation: Prepare and maintain accurate daily, weekly, and monthly maintenance reports, KPI tracking, and maintenance records.
• Computer Systems: Utilize SAP and Microsoft Office applications to manage work orders, maintenance records, inventory, and reporting.
• Values & Culture: Demonstrate and promote company values while fostering a culture of accountability, operational excellence, and responsible work practices.

• Minimum of 5 years of industrial processing or fixed plant mechanical maintenance experience.
• Demonstrated knowledge of maintenance principles, equipment reliability, and best practices for fixed plant processing equipment.
• Proven ability to plan, coordinate, and execute maintenance activities in a mining or heavy industrial environment.
• Strong leadership, communication, and team development skills.
• Experience managing contractors and vendor relationships.
• Proficiency with Microsoft Office Suite.
• Valid driver's license.
• Ability to speak, read, write, and understand English.

• Three or more years of maintenance supervisory or leadership experience.
• Experience using SAP or similar computerized maintenance management systems (CMMS).
• Mechanical Engineering or Industrial Engineering background.
• Experience supporting continuous improvement, reliability engineering, lean maintenance, or asset management initiatives.
• Previous experience in mining, mineral processing, or other heavy industrial operations.

• Approximately 70% field work and 30% office work.
• Regularly walk on uneven ground, elevated platforms, stairs, and industrial work areas.
• Frequently work around operating processing equipment and heavy machinery.
• Ability to climb ladders and access elevated work areas.
• Ability to lift and carry up to 50 pounds.
• Ability to bend, stoop, kneel, squat, and work in confined spaces as required.
• Ability to work in hot, cold, dusty, and humid industrial environments.
• Must be able to wear required personal protective equipment (PPE).
• May be required to respond to maintenance issues outside of normal working hours.

All candidates will be required to complete a pre-employment medical exam, drug and alcohol test, and background check. All positions require a pre-placement physical examination to ensure candidates are 'fit for duty’. Additional training and/or testing may be required. Capstone maintains a drug and alcohol-free workplace.

CAPSTONE COPPER IS AN EQUAL OPPORTUNITY EMPLOYER.