Master Plant Maintenance Technician

Capstone Mining•Miami, AZ

11h•Onsite

About The Position

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.

Requirements

High School Diploma or GED (technical degree preferred)
Minimum 5–7+ years of experience in mechanical maintenance in concentrator plants, process plants, or tailings systems
Strong knowledge of fixed plant mechanical systems including crushers, SAG/ball mills, conveyors, pumps, flotation circuits, and tailings systems
Advanced troubleshooting and diagnostic skills using condition monitoring tools
Experience with precision maintenance techniques including alignment and measurement
Strong understanding of hydraulics, pneumatics, lubrication systems, and power transmission
Experience performing and supporting root cause failure analysis (RCFA)
Knowledge of safety standards including LOTOTO and confined space procedures
Experience with SAP PM or similar maintenance systems
Strong communication and teamwork skills
Valid driver’s license
Ability to read, write, and communicate effectively in English

Nice To Haves

Technical or trade certification in mechanical maintenance or related field
Experience leading crews or mentoring technicians
Experience coordinating major maintenance or shutdown work
Advanced condition monitoring experience (vibration, thermography, oil analysis)

Responsibilities

Lead and perform maintenance on fixed plant equipment, ensuring work is completed safely and in compliance with technical specifications and quality standards.
Diagnose complex mechanical failures, identify root causes, and implement corrective and preventive actions.
Provide direction to field teams during critical or high-risk repairs and serve as the escalation point for complex issues.
Conduct structural, mechanical, and hydraulic inspections on plant equipment including mills, pumps, flotation cells, thickeners, filters, and auxiliary systems.
Coordinate with planning, reliability, and execution teams to prioritize and schedule critical maintenance activities.
Oversee alignment, torqueing, balancing, and other precision tasks on rotating and stationary equipment.
Support condition monitoring programs (vibration, thermography, oil analysis) and lead root cause failure analysis to improve asset reliability.
Validate completed work by internal teams and contractors to ensure compliance with tolerances, standards, and specifications.
Document maintenance activities, report deviations, and maintain accurate records in SAP PM or similar systems.
Support management of critical spares, tools, and equipment to ensure readiness for maintenance activities.
Follow and enforce safety standards including LOTOTO, confined space, and environmental requirements.

Benefits

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
Annual tool allowance
Relocation assistance available