Supervisor Mill Operations

Capstone Mining • Miami, AZ

2d • Onsite

About The Position

The Supervisor Mill Operations is responsible for the safe and efficient execution of mill processing activities to achieve production, recovery, concentrate quality, and cost targets. This role directs day-to-day concentrator operations while ensuring compliance with company policies, MSHA regulations, environmental standards, and operational procedures.
The position provides leadership and oversight for Processing Production Technicians and coordinates closely with maintenance, metallurgy, tailings, and mine operations teams to maintain reliable plant performance. The Supervisor Mill Operations supports workforce development, operational planning, maintenance coordination, and continuous improvement initiatives to optimize processing operations and meet departmental KPI objectives.

Requirements

• Minimum three (3) years of concentrator or mill operations experience in a production environment
• Strong working knowledge of mineral processing operations, production practices, and operational procedures
• Experience supervising or coordinating operational activities in an industrial or mining environment
• Working knowledge of safety regulations, operational compliance requirements, and safe work practices
• Experience coordinating with maintenance and operational support teams
• SAP experience
• Proficient computer skills, including Microsoft Office and Outlook
• Ability to speak, read, write, and understand English

Nice To Haves

• Associate degree or equivalent combination of education and operational experience
• Experience in a unionized mining or processing environment
• Experience with production reporting and operational KPI tracking
• Knowledge of continuous improvement and operational efficiency practices

Responsibilities

• Ensure all employees and contractors work in compliance with company safety policies, MSHA regulations, environmental requirements, and standard operating procedures.
• Supervise, coach, and mentor Processing Production Technicians while promoting accountability, teamwork, and safe work practices.
• Ensure employees are properly trained and qualified for assigned tasks; coordinate with the Processing Training Coordinator to support workforce development and operational readiness.
• Conduct performance evaluations, provide ongoing coaching and feedback, and support employee growth and development.
• Direct daily mill processing activities to achieve production targets, concentrate grade, recovery, quality, and cost objectives.
• Work closely with the Control Room Supervisor and cross-functional departments to establish operating priorities and execute production plans.
• Ensure appropriate manpower, equipment, and operational resources are available to support planned activities and production requirements.
• Identify operational improvement opportunities and implement best practices to improve plant performance, efficiency, and reliability.
• Coordinate operational and maintenance activities to ensure equipment reliability and minimize downtime.
• Review and support short-term and long-term maintenance plans, including shutdown and down-day planning activities.
• Ensure operational data is accurately captured and support the preparation of daily, weekly, and monthly production reports.
• Support departmental budgeting activities and manage operational execution within approved cost parameters.
• Maintain compliance with the Collective Bargaining Agreement and support positive labor relations within the department.
• Support implementation of operational programs, systems, and initiatives that improve departmental performance and business processes.
• Demonstrate behaviors aligned with company values, including accountability, operational excellence, responsible work practices, and results-driven performance.

Benefits

• 401(k) Savings Plan – Eligible from day one, contribute up to 90% of your salary with a dollar-for-dollar company match up to 6%, fully vested immediately.
• Retirement Boost – The company contributes 8.5% of your salary, increasing to 14.2% after reaching the Social Security wage base, with 100% immediate vesting.
• Employee Share Purchase Plan – After three months, contribute 2% to 7% of your salary (max $5,000/year) to buy company shares, with a 50% company match, fully vested upon grant.
• Annual Short Term Incentive Bonus – Up to 15%
• 7-on, 7-off schedule that consists of one week of 12-hour day shifts followed by one week off, followed by one week of 12-hour night shifts.
• Eligible for overtime as a salaried non-exempt role
• 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, sick leave, and parental leave
• Employee Assistance Program
• Internal progression opportunities
• Tuition reimbursement
• Discounted insurance plans for pets, automobiles and homes

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: Associate degree