Concentrator Operator B

Hayden , AZ , US
Closing date
Sep 4, 2022

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Machinery Operators
Work Load
Full Time
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Job Details


Operator B participates in the process of crushing, grinding, flotation, regrind, filter plant monitoring and tailings to ensure successful operation of the Concentrator Mill.


Crusher tasks include:
  • Reviews turnover with operator from previous shifts.
  • Completes pre-op inspection of work area and attends safety meeting.
  • Monitors computers, communicates with maintenance on valve/gauge operations and delivers recordings to main hub.
  • Controls lights on track hopper
  • Communicates with CBRY on train timing.
  • Completes operation inspection during shift to determine if equipment needs attending, and if rock needs breaking.
  • Notifies Crusher Helper regarding any equipment issues or concerns.

Grinding tasks include:
  • Attends safety meeting and receives turnover from pervious shift.
  • Observes to make sure fire extinguishers are up to date on inspections, eye wash stations are functioning, and solution sprays are working properly.
  • Submits all work orders and inspection sheets.
  • Cleans up all spillage.
  • Inspects loader, lead end of sack for leaks, inside decks, idlers, pulley guards and crusher deck.
  • Weighs out samples and provides data to Control Room Operator.

Flotation tasks include:
  • Obtains turnover measurements from previous shift.
  • Adds or remove agents to solution.
  • Measures alkalinity of solution.
  • Records data, monitors cycle time and repeats every two hours.

Regrind tasks include:
  • Attends safety meeting and receives turnover from pervious shift.
  • Checks and starts portable compressor for proper functioning.
  • Connects water hose to opposite end of pipe to flush lines.
  • Gathers and records slurry sample, underflow sample, overflow sample, final con and first cleaner sample.
  • Opens gate to feed dry lime if lime slaker is low.
  • Tags out samples for analysis to be done.
  • Reports data to supervisor.

Filter Plant tasks include:
  • Conducts inspection of eye wash stations and fire extinguishers,
  • Observes equipment functioning at conveyor
  • Retrieves and shakes concentrate sample using Marcy cup to measure, weigh and record.
  • Inspects chutes for build-up and Fargo grease system from previous shift.

Tailings tasks include:
  • Completes pre-op inspection of truck and inspects freshwater lines.
  • Drives to MCC room and flow meter to record dam levels, underflow electrical room to record amps and seepage pond for level measurements.
  • Clears chain valves by burping lines.
  • Repeats round every 2 hours.

  • Applicant must have good communications skills (oral and written).
  • Must be able to manage time effectively and set priorities.
  • Requires the ability to manage multiple tasks and troubleshoot problems.
  • Ability to read and interpret documents such as safety rules, operating and maintenance instructions and procedure manuals in English.
  • Ability to apply common sense understanding to carry out instructions furnished in written, oral, or diagram form.
  • Must be capable to lift minimum of 50 lbs.
  • Availability to work any shift, including weekends and holidays. (Shifts may be rotating; operations are (24/7/365).
  • Ability to work in adverse climate/temperature environment.

  • Must have high school diploma or GED.
  • Must have demonstrated proficiency and be able, under general
    supervision, to operate three (3) Ore Processing Circuits and all associated

  • Must have at least three (3) years of demonstrated experience in an operating position in an ore processing facility.

The Hayden Concentrator is located 81 miles southeast of Phoenix and 55 miles northeast of Tucson. We have a robust carpool / vanpool program and encourage employees to participate. Employees save more than 50% of their commuting costs while reading, sleeping, or just enjoying the view.

A core value of ASARCO LLC is "Safety First." The Company is committed to help employees continuously improve their efforts to work in the most safe, inclusive, socially, and environmentally responsible manner practicable. Employee safety and health, both on and off the job, are critically important to the Company. Therefore, ASARCO LLC requires employees to have and effectively demonstrate good working knowledge of modern safety systems. Each employee will take prime responsibility for ensuring that s/he works within all required safety procedures and processes.

ASARCO LLC is an equal opportunity employer. Candidates must possess a current and valid driver's license. Offers of employment are contingent upon a successful criminal background check and pre-employment physical including a drug screen (hair analysis).

ASARCO LLC offers an excellent low-cost benefits package for medical/prescription/ dental/vision, disability coverage, life insurance and other optional coverage, and 401(k) plan with company match.


ASARCO (American Smelting and Refining Company), is a subsidiary of Grupo México, is an integrated copper mining, smelting and refining company with approximately 1,500 employees. The company operates three mines, associated mills and smelter in Arizona and a refinery complex in Texas, which includes plants that produce copper cathode & rod. It is ASARCO’s mission to become a globally competitive, low cost, high quality metals producer, with the goal of continuously improving performance, investing in our employees, providing solid returns to our shareholders and positively impacting the communities in which we operate.

Find Us
(520) 275-1010
1365 W. Pima Mine Road
United States
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