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Freeport McMoRan Copper & Gold Inc.

United States

Company Profile

Mill Operator Trainee - Sierrita - Green Valley, AZ


Job ID:



Green Valley, AZ, United States 

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Category Classification:

Energy and Power Jobs: Maintenance

Job Description:

Freeport-McMoRan is a premier U.S.-based natural resources company with headquarters in Phoenix, Arizona. We operate large, long-lived, geographically diverse assets with significant proven and probable reserves of copper, gold and molybdenum. The company has a dynamic portfolio of operating, expansion and growth projects in the copper industry. Freeport-McMoRan is the world’s largest publicly traded copper producer, the world’s largest producer of molybdenum and a significant gold producer. We have a long and successful history of conducting our business in a safe, highly efficient and socially-responsible manner.
We have the assets, the talent, the drive and the financial strength to provide attractive and rewarding careers for our employees. We encourage you to take some time to explore your career opportunities at Freeport-McMoRan.
Employee who under direct supervision safely performs duties related to the production of copper and/or molybdenum concentrates in the Mill.
  • Support and complete duties within the Mill which could include tasks within the following areas: fine crushing plant, COB, ball mill, roughers, cleaners, flotation cells, moly plant, copper moly thickeners, tailing thickeners, etc.
  • May assist with or be responsible for taking process readings and making any necessary process changes
  • May assist with or be responsible for proper and safe handling of process reagents
  • May perform start-up and shut-down of plant or related systems
  • May assist with and perform procedures such as
    • switching pumps and taking densities;
    • the concentrate loading process which may include weighing and loading railcars, maintaining the concentrate shed, and communicating with various departments regarding railcar movement;
    • regular work area and safety audits
  • May operate mobile equipment such as: front-end loaders, forklifts, skid-steer loaders, and overhead cranes
  • May use online electronic process monitoring system to monitor conveyor and plant systems and equipment
  • Perform area housekeeping duties
  • Perform other duties as required

Minimum Qualifications

  • Three (3) months of work experience in an industrial environment
  • Knowledge of the wet grind system and flow systems through mill and floatation area
  • Knowledge of the filtering and drying process
  • May be required to complete HAZMAT training as required by Department of Transportation regulations
  • Knowledge of placard system to accurately identify hazardous materials
  • Knowledge of environmental policies and responsible for reporting any issues and/or concerns