Senior Metallurgist

Origin Mining Company•Golden Valley, AZ

11d•Onsite

About The Position

Origin Mining Company operates the Mineral Park copper-molybdenum mine in Arizona and focuses on responsible, sustainable resource development, safety, environmental stewardship, and operational excellence. The Senior Metallurgist oversees safe, efficient, and environmentally compliant processing operations while ensuring production targets are met. The role optimizes heap leach performance, coordinates with mining teams, and manages costs, inventory, and metallurgical accounting.

Requirements

At least 5 years of practical operating experience, including specific copper heap leaching experience and experience supervising and training.
Good knowledge of copper extraction unit operations, including heap leach, SX-EW, and milling/flotation.
Strong organizational and time-management skills.
Ability to learn, manage, and maintain necessary systems.
Strong written and verbal communication skills.
Ability to work with minimal supervision.
Strong work ethic and professional demeanor.
Ability to perform the physical functions described in the posting, including climbing, stooping, kneeling, crouching, reaching, standing, walking on uneven surfaces, pushing, pulling, lifting, fingering, grasping, feeling, talking, hearing, and repetitive motion.
Ability to work indoors and outdoors in all kinds of weather.
Ability to operate a telephone and mine phone/radio, with sufficient voice and hearing to communicate information and hear warning alarms of different pitches.
Ability to lift up to 25 pounds periodically.

Nice To Haves

Bachelor’s degree in Metallurgical or Chemical Engineering, or equivalent, preferred.

Responsibilities

Ensure operating personnel comply with safety training requirements and follow procedures according to local safety standards.
Coordinate operations requirements with the EMG safety department and work closely with permitting and HSEC departments.
Support community engagement.
Communicate and provide direction to ensure production targets are met.
Coordinate with mining and geology to understand the characteristics of ore fed to the process.
Review day-to-day operating practices.
Forecast and reconcile metal production.
Produce stacking plans and irrigation cycle strategies for ore placed on the heap leach pad, in accordance with permitting restrictions and operational best practices for copper heap leaching.
Optimize and troubleshoot processing operations to meet metal recovery and process efficiency targets.
Coordinate with external consultants and laboratories on projects to improve operations and assaying and sampling practices as required.
Manage process operating costs and identify opportunities to reduce production costs per pound.
Maximize metallurgical productivity while maintaining budgeted operating costs.
Monitor operating consumables and maintenance spending against budgetary targets.
Document reagent and material usage.
Communicate with accounting about orders and inventory as required.
Provide production updates in weekly, monthly, and annual reports.
Provide information on processing parameters and short- and long-term expected production trends.