Infinitek Limited
Southern Arizona | Open Pit Mining Operation
An established open pit mining operation in Southern Arizona is seeking an experienced Mine Maintenance Superintendent to lead mill maintenance and reliability activities. This is a senior site-based role with full accountability for fixed plant maintenance strategy, execution, and continuous improvement in a high-throughput concentrator environment.
The successful candidate will play a key role in driving equipment reliability, improving asset availability, and embedding best-practice maintenance systems across milling and process plant operations.
Key Responsibilities
Lead all maintenance activities across mill and fixed plant operations including crushing, grinding, flotation, thickening, filtration, tailings and material handling
Own site maintenance and reliability strategy with a strong focus on uptime, asset availability, and cost control
Manage maintenance planning and scheduling, shutdowns, major rebuilds, and outage execution
Drive reliability-centered maintenance (RCM), preventive and predictive maintenance programs
Lead root cause analysis (RCA), failure investigations, and continuous improvement initiatives
Partner closely with mill operations, metallurgy, and engineering to align maintenance priorities with production targets
Manage maintenance budgets, contractors, spare parts, and warehouse strategy
Lead, develop, and mentor maintenance supervisors, planners, and hourly trades
Ensure compliance with MSHA, safety standards, and site procedures
Champion a strong safety culture and operational discipline
Required Experience & Qualifications
10+ years of maintenance leadership experience in mining, minerals processing, or heavy industrial environments
Strong background in mill / concentrator maintenance (fixed plant)
Proven experience implementing reliability and asset management best practices
Experience with CMMS systems, maintenance planning, and KPI-driven performance management
Strong working knowledge of mechanical systems; electrical and instrumentation exposure preferred
Demonstrated ability to lead large maintenance teams and contractors in a union or mixed workforce environment
Bachelor’s degree in Engineering, Maintenance Management, or related discipline preferred
Preferred Experience
Copper concentrator or large-scale base metals processing experience
Exposure to predictive maintenance technologies (vibration, oil analysis, thermography)
Experience supporting brownfield operations and life-of-mine extensions
Familiarity with capital projects and major equipment installations
What’s Offered
Competitive base salary with annual bonus
Long-term role at a stable, high-profile mining operation with significant asset life remaining
Seniority level
Mid-Senior level
Employment type
Full-time
Job function
Mining
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The successful candidate will play a key role in driving equipment reliability, improving asset availability, and embedding best-practice maintenance systems across milling and process plant operations.
Key Responsibilities
Lead all maintenance activities across mill and fixed plant operations including crushing, grinding, flotation, thickening, filtration, tailings and material handling
Own site maintenance and reliability strategy with a strong focus on uptime, asset availability, and cost control
Manage maintenance planning and scheduling, shutdowns, major rebuilds, and outage execution
Drive reliability-centered maintenance (RCM), preventive and predictive maintenance programs
Lead root cause analysis (RCA), failure investigations, and continuous improvement initiatives
Partner closely with mill operations, metallurgy, and engineering to align maintenance priorities with production targets
Manage maintenance budgets, contractors, spare parts, and warehouse strategy
Lead, develop, and mentor maintenance supervisors, planners, and hourly trades
Ensure compliance with MSHA, safety standards, and site procedures
Champion a strong safety culture and operational discipline
Required Experience & Qualifications
10+ years of maintenance leadership experience in mining, minerals processing, or heavy industrial environments
Strong background in mill / concentrator maintenance (fixed plant)
Proven experience implementing reliability and asset management best practices
Experience with CMMS systems, maintenance planning, and KPI-driven performance management
Strong working knowledge of mechanical systems; electrical and instrumentation exposure preferred
Demonstrated ability to lead large maintenance teams and contractors in a union or mixed workforce environment
Bachelor’s degree in Engineering, Maintenance Management, or related discipline preferred
Preferred Experience
Copper concentrator or large-scale base metals processing experience
Exposure to predictive maintenance technologies (vibration, oil analysis, thermography)
Experience supporting brownfield operations and life-of-mine extensions
Familiarity with capital projects and major equipment installations
What’s Offered
Competitive base salary with annual bonus
Long-term role at a stable, high-profile mining operation with significant asset life remaining
Seniority level
Mid-Senior level
Employment type
Full-time
Job function
Mining
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