Process ​/ Mill Operator

Position Overview

The Process Operator is responsible for operating and monitoring equipment in the crushing, grinding, floatation, and dewatering / filtration circuits to ensure efficient processing of ore and production of high-quality concentrates with a strong focus on safety, operational excellence, and teamwork.

The Process Operator is responsible for operating and monitoring equipment in the crushing, grinding, floatation, and dewatering / filtration circuits to ensure efficient processing of ore and production of high-quality concentrates with a strong focus on safety, operational excellence, and teamwork.

• Operate and monitor crushing equipment (e.g., jaw crushers, cone crushers) to reduce ore to required sizes.
• Manage grinding circuits (e.g., ball mills, rod mills) to achieve optimal particle size for floatation.
• Oversee flotation cells to separate lead and zinc minerals from waste rock, adjusting reagents and parameters as needed.
• Operate dewatering and filtration systems (e.g., thickeners, filters) to produce concentrate and manage tailings.
• Perform routine inspections of equipment, identifying and reporting maintenance needs or operational issues.
• Monitor process parameters (e.g., feed rates, pulp density, pH) and make adjustments to maintain efficiency and product quality.
• Operate mobile equipment: forklifts, light duty vehicles, bucket trucks, high‑lift trucks, bridge cranes, hoists, basic and advanced rigging as needed.
• Use various hand and/or power tools for material handling, clean‑up activities, assembling, joining and installing pipes, valves, and fittings, and perform basic machine maintenance.
• Ensure compliance with safety standards, environmental regulations, and operational procedures.
• Record operational data and assist in troubleshooting process inefficiencies.
• Collaborate with maintenance and metallurgical teams to support plant performance and uptime.
• Execute the planned and scheduled operational activities for all Process Equipment, Unit Processes, and Facilities.
• Accountable participation in developing and updating all operational strategies for Process assets and facilities while emphasizing the principles of Reliability Centered Maintenance and operational best practices.

• High school diploma or GED; technical training in mineral processing or related field preferred.
• Previous mill/processing operating experience, preferably in a mining environment.
• Valid driver's license and ability to operate equipment safely.
• Basic computer skills and ability to use a computerized maintenance management system (CMMS) to generate work requests.
• Proven history of safety leadership for both self and team members.
• Ability to read and interpret process flow diagrams and control panel readouts.
• Strong problem‑solving skills and mechanical aptitude.
• Focus on workplace safety and knowledge of hazard identification/mitigation.
• Quality communication skills and ability to successfully interact with a wide variety of departments and roles.
• Teamwork focused attitude and ability play a part in overall business success.
• Attention to quality of work; minimize rework and deliver safe and reliable operational performance.
• Strong time management skills with ability to pace own work unsupervised and readjust priorities as needed

• Move head and neck repeatedly and ability to turn head 90 degrees while operating equipment.
• Ability to stand, walk, reach, and/or sit for extended periods of time.
• Lifting up to 50 pounds.
• Depth perception and peripheral vision.
• Hear, see and smell various types of warnings.
• Wear required protective equipment.
• Perform duties under extreme temperature and weather conditions.
• Ability to work extended work shifts as required.

Bunker Hill Mine is a historic underground silver-lead-zinc operation located in Kellogg, Idaho, at the heart of the Silver Valley. With more than a century of mining heritage, Bunker Hill has played a foundational role in the region. Today, we are focused on building its future.

Operated by Bunker Hill Mining Company, the mine is being revitalized through modern engineering, advanced…