Introduction

Brunel is currently searching for a Concentrate Leach Plant Manager for direct hire with our mining client located in Morenci, Arizona.

What are you going to do

In this role you will manage a Pressure Oxidation plant that processes copper sulfide concentrate in order to produce sulfuric acid for heap leaching operations and copper cathode by hydrometallurgical means. This role is accountable for safe plant operation, metallurgical performance and production outcomes.

Duties include:

  • Managing day to day operation of the Concentrate Leach facility in order to safely optimize economic copper production.
  • Ensure that safe operating practices are in place for all major tasks and that personnel have been properly trained and understand the tasks assigned to them.
  • Teach all plant personnel to recognize risks and take appropriate actions. Ensure that effective controls are in place to mitigate all identified critical risks.
  • Ensure that maintenance schedules are appropriate, and SOPs are correct and up to date for all maintenance tasks.
  • Ensure that all plant personnel understand the basic metallurgical practices that govern pressure oxidation and can use this knowledge for safe and efficient plant operation.
  • Coordinate with the Mine and Concentrator departments to understand changes in the mineralogy of Concentrate Leach plant feed.
  • Coordinate with oxygen plant personnel regarding plant operation schedule and oxygen needs.
  • Coordinate with the Leach and Hydromet departments with regard to concentrate leach acid and copper production targets and provide foresight regarding potential disruptions.
  • Prepare and adhere to quarterly and annual budgets.
  • Prepare fund-request justifications for plant upgrades.
  • Become a subject-matter-expert in copper sulfide pressure leaching and build a team with a strong understanding of the technology and its potential future benefits.

Requirements:

  • Bachelor degree (preferred in Metallurgical or Chemical Engineering) and 10 years of metallurgical plant operational experience, including supervisory or management experience.
  • Extensive knowledge of copper smelting, hydrometallurgical and leaching operations, including the thermodynamic and kinetic principles that are the foundation of these technologies.
  • Knowledge of mining and mineral processing technology, specifically the impacts of copper, iron, and gangue mineralogy on processing operations.
  • Leadership skills, including supervising, evaluating, training and motivating employees.
  • Ability to plan, prioritize, direct and manage a diverse number of operational areas, projects and activities.
  • Skilled in preparing, defending, monitoring and administering budgets.
  • Ability to develop and maintain awareness of occupational hazards and safety precautions.
  • Ability to communicate effectively both verbally and in writing in English.
  • Experience with plant maintenance, including adhering to maintenance schedules preferred.
  • Experience in using advanced analytical and problem-solving skills to overcome obstacles and meet production targets.
  • Experience in sulfide oxidation processes such as smelting or pressure oxidation operations is preferred.
  • Use of thermodynamic modeling software preferred.
  • Experience managing complex processing plants with multiple unit operations preferred.
  • Understanding of copper and iron sulfide mineralogy and the impacts of mineralogy on metallurgical processing operations preferred.

Essential skills and knowledge 

This role is not eligible for work visa sponsorship.

What we offer

Offer:

Our client offers a generous package that will include base salary, bonuses, benefits, retirement contributions, and more. Morenci is a unique company town and our client offers several amenities including company housing or employees who are required to work on-site are eligible for a $750/month housing allowance provided they meet program guidelines. This role is not eligible for work visa sponsorship.

Closing: March 27, 2026

Do you have any questions about this vacancy?

Vacancy reference: PR-278398

CK

Corporate recruiter

Cindy King

Contact