Master Fleet Maintenance Technician

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.

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