Metallurgical Technician II

Sahuarita , AZ , US
Oct 08, 2021
Nov 07, 2021
Full Time

Assist the Process Control Engineer, plant supervision, basic maintenance responsibilities by performing routine, Preventive, and emergency maintenance of On-stream Analyzers (OSA) and Particle Size Indicators (PSI) to ensure the safe, economical and efficient operation of the quality control monitoring and fixing equipment. Assist the Metallurgical Engineer on optimizing the plant metallurgy by performing plant sampling, flotation testing, reagent testing, and particle size screen analysis.

  • Maintain equipment operationally such as but not limited to: stream X-Ray analyzers and Particle size monitors, sound meters/ systems, etc.
  • Provide physical and technical support for operations, mill repair, instrumentation/ process control departments.
  • Obtains and coordinates all filed samples to conduct physical, chemical and process examinations, using metallurgical equipment and instruments. Writes reports indicating progress and results and provides them to appropriate departments.
  • Prepares all samples of any concentrator stream for Met Lab and Chemical Assays.
  • Operates and calibrates metallurgical equipment.
  • Documents samples into database.
  • Transports and keeps track of samples.
  • Forwards sample results to appropriate department.
  • Cleans equipment and around work areas.
  • Manages and performs inspections and inventories.
  • Develops new procedures for continuous improvements (SOPs, check lists, etc.).
  • Monitor and perform routine calibration of the OSA units on a daily basis.
  • Monitor and perform routine maintenance of the PSI units on a daily basis.
  • Ensure all instrumentation is reading reliably and assist all involved departments on getting them back to OEM (original equipment manufacturer) standards.
  • Efficiently troubleshoot and correct mechanical, electrical, and instrumentation issues with the OSA and PSI units with minimal supervision.
  • Perform laboratory flotation tests with high precision.
  • Perform laboratory Particle Size Screen Analysis test work.
  • Perform plant sampling of process streams as directed by the Metallurgical Staff.
  • Monitor the condition of the sampling, testing and titrating equipment used by the operators and replace as needed.
  • Monitor the reagent and lime addition points and ensure proper delivery to the process streams on a daily basis.
  • Safely and efficiently perform all job functions.
  • Comply with all established ASARCO Safety Health and Environmental Policies.
  • Comply with all local, state, and federal policies and regulatory agencies.
  • Order materials and safety supplies pertaining to work scope through SAP.
  • Perform other duties as assigned by the Manager.

  • Knowledge of metallurgical laboratory procedures and practices. General mechanical, electrical and instrumentation background and knowledge.
  • Microsoft Office suite.
  • Reading and understanding electrical schematics and drawings.
  • Effective written and verbal communication in English.

  • High School Diploma or GED (required), 1-year Technical School in related field (preferred).
  • Or must have a minimum of 2 years of experience in the field of mineral processing.


Working conditions include heavy industrial environments; this may have conditions that include extreme temperature conditions, both hot and cold; in and/or around moisture; on slippery, rough and/or uneven surfaces, in confined spaces; at heights, and climbing ladders and/or stairs.

Will have exposure to noise, vibrations, dust, chemicals, and will often work alone with minimum supervision.

  • The job requires training or instruction in the area of environmental awareness.

This job requires training or instruction in the area of Safety & Health awareness including completion of the appropriate MSHA training.

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.

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.