Mill Superintendent
About The Position
Origin Mining Company operates the Mineral Park copper-molybdenum mine in Arizona and is focused on responsible, sustainable resource development. We aim to lead the U.S. copper industry through strong safety practices, environmental stewardship, and operational excellence. Our team is committed to doing things the right way—acting with integrity, supporting our communities, and creating long-term value. With a hands-on, technically driven approach, we are advancing both leach and concentrator operations to produce high-quality copper and molybdenum products. The Mill Superintendent leads the safe, efficient, and reliable operation of a copper (preferred) concentrator, overseeing crushing, grinding, flotation, dewatering, and tailings systems. This role is responsible for delivering production KPIs, driving continuous improvement, and providing strong, visible leadership across the operations team while coordinating closely with maintenance, metallurgy, and mine operations.
Requirements
- 5–10+ years of mining experience, with at least 3–5 years in a leadership role (concentrator experience required, copper preferred)
- Strong knowledge of mineral processing, including crushers, grinding circuits, flotation, dewatering, and tailings systems
- Proven leadership ability with experience managing teams, meeting KPIs, and driving performance
- Experience with SOP development, training programs, and operational standardization
- Strong analytical, problem-solving, and organizational skills
- Effective communicator with the ability to coordinate across departments and levels
- Proficient in Microsoft Office and operational reporting tools
- Valid driver’s license and ability to work in physically demanding outdoor environments
- Willingness to work in a 24/7 operation, including on-call support
- Strong commitment to safety, quality, and continuous improvement
Nice To Haves
- Bachelor’s degree in engineering or a related technical field is an asset
Responsibilities
- Lead daily mill operations to meet production targets, recovery, and throughput KPIs
- Oversee crushing, grinding, flotation, thickening, filtration, and tailings handling systems
- Optimize plant performance by monitoring grind size, flotation parameters (reagents, pH, airflow), and recovery metrics
- Collaborate with metallurgical and technical teams to improve plant performance and implement process improvements
- Ensure compliance with safety, environmental, and company standards across all operations
- Supervise, mentor, and develop mill operations staff; ensure training completion and competency sign-offs
- Own and manage SOPs, ensuring documents are current, followed, and continuously improved
- Analyze production data to identify trends and drive improvements in recovery, efficiency, and cost per tonne
- Coordinate with maintenance, mine operations, and other departments to ensure consistent feed and production plans
- Troubleshoot operational issues across processing circuits to minimize downtime and maintain stability
- Manage reagents and consumables, including inventory, usage optimization, and safe handling
- Support tailings and water management systems to ensure proper operation and environmental compliance
- Lead and support continuous improvement and capital projects related to plant and process upgrades
- Provide accurate operational data for reporting and planning purposes
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What This Job Offers
Job Type
Full-time
Career Level
Manager
