Mill Manager

ASARCO; Sahuarita (AZ); On-site; USD 180,000 - 260,000; Full time

Job summary

ASARCO LLC seeks a North Mill Manager for the Mission Copper Mine in Sahuarita, AZ. Lead the concentrator team to maximize safety, productivity, and continuous improvement.

Responsible for budgeting, performance monitoring, and staff development, while aligning with MSHA and environmental regulations. The role requires deep experience in major mineral processing circuits, automation systems, and cross-functional leadership to drive recovery and throughput improvements.

Qualifications

• Bachelor’s degree in Metallurgical Engineering, Mineral Processing, Chemical Engineering, Mining Engineering, or related discipline highly preferred.
• 8+ years of progressive operational and leadership experience in mineral processing or large-scale metal milling environments, including at least 5 years as superintendent or plant manager overseeing a multi-stage concentrator.
• Deep, hands-on understanding of large-scale circuit operations: crushing, milling, flotation, filtration, thickeners, tailings management.
• Proficiency in plant automation and control systems; Working knowledge of Rockwell Automation and SAP.
• Proven track record in data-driven metallurgical accounting, recovery optimization, throughput, and evaluating new processing tech.
• Strong mentorship and cross-functional leadership; commitment to MSHA safety and environmental compliance.

Responsibilities

• Coordinates milling production and maintenance priorities with the Maintenance Manager.
• Advance Total Safety Culture and Environmental guidelines for employee safety and health.
• Manage budgeting and cost control for the North Mill.
• Monitor plant performance, troubleshoot deficiencies, and implement improvements.
• Hire and develop staff through coaching, training and performance reviews.
• Collaborate with Mine operations to improve production and recovery.
• Lead internal/external training for mine and maintenance teams; may serve as Project Manager.
• Prepare and ensure accuracy of North Mill production reports.
• Forecast capital and expense budgets; enforce EHS programs as required.

Skills

Leadership

Mineral Processing

Engineering Degree

Operations Management

Data-driven Analytics

Education

Bachelor's degree in Metallurgical/Mining/Chemical Eng

Tools

Rockwell Automation

SAP ERP

Job description

The North Mill Manager - Mission Copper Mine -Sahuarita, AZ will lead the concentrator team to create a safe, motivated and productive environment which stimulates continuous improvement. The highest standards must be maintained in areas of safety, environmental, plant productivity and efficiency. A successful candidate must have vision for employee development and plant improvements. The North Mill Manager will ensure that the plant adheres to all Company Policies as well as Federal, State and Local Regulations.

The concentrator consists of a primary gyratory crusher, secondary and tertiary crushing, numerous rod and ball mills, mechanical and column flotation circuit, disc filters, thickeners and tailings storage facility.

ESSENTIAL FUNCTIONS

• Coordinates milling production and maintenance priorities in conjunction with the Maintenance Manager.
• Work to enhance the existing Total Safety Culture Program and Environmental guidelines to insure employee safety and health.
• Manages budgeting and cost control for the North Mill.
• Monitors plant performance, troubleshoots deficiencies or failures and makes recommendations for improvement.
• Hires and develops staff through coaching, training and performance reviews.
• Works closely with the mine to strategize how to improve overall production and recovery.
• Manage and coordinate the internal and external training to meet the needs associated with the mine and maintenance teams.
• May serve as Project Manager or Technical Expert on mill modification projects.
• Controls the preparation and accuracy of North Mill production reports.
• Responsible for executing, supporting, and enforcing the Company's Environmental, Health and Safety program as required by OIS policy, directives, and principles.
• Provide support to management in forecasting capital and expense annual budgets.
• Supervise activities of North Mill Department staff.
• Other duties as assigned by the General Manager.

Requirements

QUALIFICATIONS:

• Bachelor’s degree in Metallurgical Engineering, Mineral Processing, Chemical Engineering, Mining Engineering, or a related discipline highly preferred.
• 8+ years of progressive operational and leadership experience in mineral processing or large-scale metal milling environments, including at least 5 years in a superintendent or plant manager capacity overseeing a multi-stage concentrator plant. Equivalent combinations of education and experience.
• Deep, hands‑on understanding of large-scale circuit operations, including primary gyratory crushing, secondary/tertiary crushing, rod and ball milling, mechanical/column flotation circuits, disc filtration, thickeners, and tailings management.
• Proficiency in plant automation and control systems, with specific working knowledge of Rockwell Automation platforms and enterprise resource planning software (SAP preferred).
• Proven track record in data‑driven metallurgical accounting, recovery optimization, throughput maximization, and evaluating/implementing innovative mineral processing technologies.
• Exceptional ability to partner cross‑functionally with Mine Operations, Maintenance Management, and Corporate Metallurgy to align mill feeds, equipment availability, and production goals, alongside experience managing multi‑million‑dollar operating budgets, capital expenditure (CapEx) forecasting, cost‑control initiatives, and resource allocation.
• Strong mentorship and coaching mindset focused on building high‑performing teams, continuous employee training, structured succession planning, and an unwavering commitment to championing a Total Safety Culture, enforcing strict adherence to MSHA (Mine Safety and Health Administration) regulations, and maintaining environmental compliance across air, water, and waste protocols.

ASARCO LLC provides equal opportunity for all individuals without regard to race, color, creed, religion, age, national origin, sex, pregnancy, sexual orientation, gender identity or expression, genetic information, actual or perceived disability, military status, veteran status, marital status, familial status, or any other characteristic(s) protected by local, state, or federal law(s).

ASARCO LLC provides equal opportunity for all individuals without regard to race, color, creed, religion, age, national origin, sex, pregnancy, sexual orientation, gender identity or expression, genetic information, disability, military status, veteran status, familial status, or any other characteristic(s) protected by local, state, or federal law(s).