Freeport McMoRan Moly Process Operator Trainee - Sierrita - Green Valley, AZ in Green Valley, Arizona

Freeport-McMoRan is a premier U.S.- based natural resource company with headquarters in Phoenix, Arizona. We operate large, long-lived, geographically diverse assets with significant proven and probable reserves of copper, gold, molybdenum, cobalt, oil and gas. The Company has a dynamic portfolio of operating, expansion and growth projects in the copper industry and is the world’s largest producer of molybdenum and a significant gold, oil and gas 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.

Under direct supervision safely performs duties related to the receiving, processing, and transporting of molybdenum materials.

  • Responsible for transporting moly materials, which includes receiving materials from outside sources and other companies, unloading materials to proper areas, weighing materials, and feeding into system via hoppers over conveyor systems

  • Perform routine scrubber cleaning, lime scrubber cleaning on roasters, and descaling using a chipping gun

  • May operates mobile equipment such as skid-steer loaders, front-end loaders, dump trucks, and forklifts

  • May assist with the following:

o Roaster operation which includes cleaning drop holes, arms, take-offs, and building floors

o Leach process which includes cleaning, sampling, and changing filters

o Duties related to annual overhaul of roaster which may include brickwork and replacing drive mechanism

o Packaging of oxide and sulfide moly into drums, cans, bags, or briquettes

o Clean-up of floatation area and changing filter cloths

  • Assist with, and perform utility area tasks throughout the plant to include the cleaning of roaster heaths, cleaning scrubbers, and performing area trash and scrap metal runs

  • Assist with and perform minor repairs in all areas of moly processing plant which may include changing belts and replacing valves

  • Perform area housekeeping

  • Perform other duties as required

Minimum Qualifications

  • Three (3) months of experience in an industrial environment

  • Required to attend HAZMAT training and may be required to attend hydrogen sulfide gas training


  • High School diploma or GED

  • One year of operating experience

  • Previous Moly processing experience


  • Ability to understand and apply verbal and written work and safety-related instructions and procedures given in English

  • Ability to communicate in English with respect to job assignments, job procedures, and applicable safety standards

  • Must be able to work in a potentially stressful environment

  • Work is performed in a mine or manufacturing plant setting, which may include exposure to extremes in temperature and humidity, moving mechanical parts, risk of electrical shock, toxic chemicals, explosives, fumes or airborne particles

  • While performing the duties of this job, the employee is required to stand, sit, demonstrate manual dexterity, climb stairs and ladders, work on elevated platforms and work in confined spaces

  • Occasionally may be required to lift up to fifty (50) pounds during the course of the work day

  • Will be required to work rotating shifts in a 24/7/365 operation

  • Personal protective equipment is required when performing work in a mine, outdoor, manufacturing or plant environment, including hard hat, hearing protection, safety glasses, safety footwear, and as needed, respirator, rubber steel-toe boots, protective clothing, gloves and any other protective equipment as required

  • Freeport-McMoRan promotes a drug/alcohol free work environment through the use of mandatory pre-employment drug testing and on-going random drug testing as per applicable State Laws

Freeport-McMoRan has reviewed the jobs at its various office and operating sites and determined that many of these jobs require employees to perform essential job functions that pose a direct threat to the safety or health of the employees performing these tasks or others. Accordingly, the Company has designated the following positions as safety-sensitive:

  • Site-based positions, or positions which require unescorted access to site-based operational areas, which are held by employees who are required to receive MSHA, OSHA, DOT, HAZWOPER and/or Hazard Recognition Training; or

  • Positions which are held by employees who operate equipment, machinery or motor vehicles in furtherance of performing the essential functions of their job duties, including operating motor vehicles while on Company business or travel (for this purpose “motor vehicles” includes Company owned or leased motor vehicles and personal motor vehicles used by employees in furtherance of Company business or while on Company travel); or

  • Positions which Freeport-McMoRan has designated as safety sensitive positions in the applicable job or position description and which upon further review continue to be designated as safety-sensitive based on an individualized assessment of the actual duties performed by a specifically identified employee.

/Equal Opportunity Employer/Protected Veteran/Disability/

Job: *Operations

Title: Moly Process Operator Trainee - Sierrita - Green Valley, AZ

Location: AZ-Green Valley

Requisition ID: 1701898