Master Fleet Maintenance Technician

Job Description

Job Description

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
• Tuition reimbursement
• 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:

• Annual tool allowance
• $5k sign on bonus (previous Capstone employees not eligible)
• Relocation assistance available  

POSITION OVERVIEW

The Master Fleet Maintenance Technician is the highest level technical role within the fleet maintenance team at Pinto Valley Mine. This position provides advanced diagnostics, repair, and technical leadership across heavy mobile mining equipment, ensuring safe, reliable, and efficient operation.

This role serves as a subject matter expert across mechanical, hydraulic, and electrical systems, supporting complex troubleshooting, mentoring team members, and driving maintenance best practices in both shop and field environments.

POSITION RESPONSIBILITIES

• Advanced Diagnostics & Repair: Diagnose and resolve complex mechanical, hydraulic, and electrical issues on heavy mining equipment.

• Technical Leadership: Serve as the technical escalation point for difficult repairs and provide guidance to maintenance personnel.

• Maintenance Execution: Perform and oversee major repairs and component replacements, including engines, hydraulic systems, electric drive systems, transmissions, and final drives.

• Troubleshooting & Analysis: Lead troubleshooting efforts on intermittent and repeat failures using schematics, data analysis tools, and OEM resources.

• Equipment Expertise: Maintain subject matter expertise on Caterpillar, Komatsu, and Hitachi mining equipment.

• Safety & Compliance: Follow all safety procedures including PPE use, hazard assessments, and LOTO requirements.

• Continuous Improvement: Conduct root cause analysis and support development of corrective actions to improve equipment reliability.

• Systems & Tools: Utilize OEM diagnostic software and tools to support maintenance and system configuration.

• Quality Assurance: Ensure all repairs meet OEM and company standards and are completed with a high level of accuracy.

POSITION REQUIREMENTS

Required

• High School Diploma or GED

• Journeyman certification in Heavy Equipment, Diesel Mechanics, or equivalent

• Minimum 8–10 years of experience in heavy equipment maintenance in mining or similar heavy industry

• Advanced knowledge of mechanical, hydraulic, and electrical systems

• Experience working on Caterpillar, Komatsu, and Hitachi equipment

• Ability to read and interpret schematics and technical documentation

• Experience with diagnostic tools and software

• Basic fabrication and welding skills

• Valid driver’s license

• Ability to lift up to 50 lbs

• Ability to read, write, and communicate effectively in English

Preferred

• Experience with SAP or similar maintenance systems

• Experience with Tier IV engines and emissions systems

• Knowledge of pneumatic and AC systems

WORK ENVIRONMENT / PHYSICAL DEMANDS

• Shop and field-based role in an active mining operation

• Working around heavy mobile equipment and energized systems

• Walking on uneven ground and navigating industrial work areas

• Exposure to dust, noise, heat, and varying weather conditions

• Exposure to hazardous substances and energy sources

• Ability to wear required personal protective equipment (PPE) in operational areas

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.