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Underground Cost Planning Engineer

Job in Tucson, Pima County, Arizona, 85718, USA
Listing for: South32
Full Time position
Listed on 2026-01-01
Job specializations:
  • Engineering
    Civil Engineering, Process Engineer
Job Description & How to Apply Below

South
32 is a globally diversified mining and metals company. Our purpose is to make a difference by developing natural resources, improving people’s lives now and for generations to come. We are trusted by our owners and partners to realise the potential of their resources. We produce bauxite, alumina, aluminium, metallurgical coal, manganese, nickel, silver, lead and zinc at our operations in Australia, Southern Africa and South America.

With a focus on growing our base metals exposure, we also have two development options in North America and several partnerships with junior explorers around the world.

Following the acquisition of Arizona Mining, South
32 is the new owner of the Hermosa Project, a high-grade zinc, lead and silver development option in Arizona.

The location of this role is the Hermosa Project site near Patagonia, Arizona.

The Role

The Costing and Business Improvement Engineer’s primary responsibility would be the creation and maintenance of the underground mining budget and reconciliation to that budget. This role would also be instrumental in cost reduction and continuous improvement exercises.

Accountabilities (Include but are not limited to):

  • Creation and maintenance of the underground capital, sustaining, and operating budget.
  • Communication with relevant stakeholders for input into the budget.
  • Reconciliation and reporting of plan vs actual mine spend.
  • Communication with vendors.
  • Weekly, monthly, and annual presentations.

Qualifications, Skills, and Expertise:

  • Bachelor’s Degree in mining engineering or related field OR Degree in accounting, business, or related field; MBA Preferred.
  • Underground mining experience preferred.
  • Cost planning and budgeting experience.
  • Experience managing professionals.
  • Experience presenting to large groups as well as groups of managers and executives.
  • Mine costing software experience
    - Xeras or InEight Preferred.
  • ERP Software experience- SAP Preferred.
  • Mine Planning Software
    - Deswik preferred.
  • Proficient in Microsoft Office, Power Query, Power Pivot, and Power BI preferred.
  • Strong organizational skills.
  • Excellent communication skills across a wide range of stakeholders.
  • Driven and self-motivated.
  • Due Diligence and double-checking work.

Our Culture

At South
32, our people are fundamental to our success. We're focused on creating an inclusive workplace, with the right people in the right roles, who are engaged, empowered and appropriately rewarded. We aspire to be an inclusive organization, where our workforce reflects the broader demographic of the countries and communities where we operate.

South
32 embraces diversity and encourages applications from people of all backgrounds.

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