Maintenance Manager

Origin Mining Company (“OMC”) is a distinguished copper mining company that owns the open-pit Mineral Park copper and molybdenum mine in Kingman, Arizona. Our mission is to extract copper and molybdenum resources in a sustainable manner while making a positive impact on the local economy by creating high-quality employment. OMC is dedicated to operating with integrity and transparency. We are currently operating a hydromet and concentrator operation at the Mineral Park Mine and meet the growing global demand for copper.Job Description:The Maintenance Manager leads maintenance across the mine’s mobile equipment, fixed plant, and electrical and instrumentation systems. This role is accountable for safe execution, equipment availability, maintenance planning, and cost control. During the concentrator restart, the Maintenance Manager will help prepare equipment, teams, and maintenance systems for commissioning and sustained operation.ESSENTIAL FUNCTIONS:

• Lead, coach, and develop mechanical, electrical, instrumentation, and maintenance planning personnel.
• Set maintenance priorities with mine and processing operations, balancing production needs, equipment condition, and safety risks.
• Oversee preventive, predictive, and corrective maintenance for mobile equipment, crushing and grinding circuits, flotation equipment, SX/EW facilities, and supporting infrastructure.
• Build effective planning and scheduling practices, including work orders, shutdown plans, parts readiness, and backlog management.
• Track equipment availability, reliability, maintenance costs, and recurring failures; lead root cause investigations and implement lasting corrective actions.
• Support installation, equipment handover, commissioning, and startup of the restarted concentrator.
• Develop maintenance budgets, staffing plans, contractor scopes, and critical spare parts strategies.
• Manage vendors and repair contractors, including rebuild quality, schedules, and performance.
• Ensure maintenance work follows site safety procedures, environmental requirements, and applicable regulations. Lead incident reviews and follow through on corrective actions.
• Partner with operations and technical teams to improve equipment performance and establish practical, cost effective maintenance standards.

QUALIFICATIONS:

• Bachelor’s degree in engineering or a related field, or equivalent relevant experience.
• At least 10 years of progressive maintenance experience in mining or heavy industrial operations, including leadership of maintenance teams.
• Experience with both mobile mining equipment and fixed processing plant maintenance.
• Strong working knowledge of mechanical and electrical systems, maintenance planning, and reliability practices.
• Ability to interpret equipment manuals, drawings, and schematics and use them to guide troubleshooting and repair.
• Experience managing budgets, contractors, and equipment rebuilds.
• Clear communication, sound judgment under pressure, and a demonstrated commitment to safe work.
• Experience supporting a copper concentrator, plant commissioning or restart, and electrical and instrumentation maintenance in a mine setting is preferred.

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