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Minerals Processing Engineer Jobs (NOW HIRING)

Mariana Minerals

Sr. Metallurgical Process Engineer

Moab, UT · On-site

$104K - $135K/yr

... minerals processing, chemicals, specialty materials, oil & gas, or related industries * Ability to design experiments, troubleshoot complex processes, and analyze operational datasets * Proven ...

BBA, Inc.

Mineral Processing Leader

Phoenix, AZ · On-site

$97K - $126K/yr

Your future role on our team As a Mineral Processing Leader, you'll provide technicalleadership and ... Lead process engineering activities for projects, from studies through to detailed engineering and ...

BBA, Inc.

Mineral Processing Leader

Salt Lake City, UT

$100K - $130K/yr

Your future role on our team As a Mineral Processing Leader, you'll provide technicalleadership and ... Lead process engineering activities for projects, from studies through to detailed engineering and ...

BBA, Inc.

Mineral Processing Leader

Elko, NV · On-site

$99K - $129K/yr

Your future role on our team As a Mineral Processing Leader, you'll provide technicalleadership and ... Lead process engineering activities for projects, from studies through to detailed engineering and ...

BBA, Inc.

Mineral Processing Leader

Elko, NV · On-site

$99K - $129K/yr

Your future role on our team As a Mineral Processing Leader, you'll provide technicalleadership and ... Lead process engineering activities for projects, from studies through to detailed engineering and ...

BBA, Inc.

Mineral Processing Leader

Tucson, AZ

$89K - $115K/yr

Your future role on our team As a Mineral Processing Leader, you'll provide technicalleadership and ... Lead process engineering activities for projects, from studies through to detailed engineering and ...

BBA, Inc.

Mineral Processing Leader

Phoenix, AZ · On-site

$97K - $126K/yr

Your future role on our team As a Mineral Processing Leader, you'll provide technicalleadership and ... Lead process engineering activities for projects, from studies through to detailed engineering and ...

BBA, Inc.

Mineral Processing Leader

Salt Lake City, UT

$100K - $130K/yr

Your future role on our team As a Mineral Processing Leader, you'll provide technicalleadership and ... Lead process engineering activities for projects, from studies through to detailed engineering and ...

BBA, Inc.

Mineral Processing Leader

Tucson, AZ

$89K - $115K/yr

Your future role on our team As a Mineral Processing Leader, you'll provide technicalleadership and ... Lead process engineering activities for projects, from studies through to detailed engineering and ...

Mariana Minerals

Head of Engineering Programs

Houston, TX · On-site

$180K - $240K/yr

Bachelor's degree in Engineering or a related technical field * 10+ years of experience leading program or project management for large, complex capital projects in mining, minerals processing ...

BBA, Inc.

Mineral Processing Leader

Salt Lake City, UT · On-site

$100K - $130K/yr

Lead process engineering activities for projects, from studies through to detailed engineering and ... Serve as the technical authority on mineral processing and extractive metallurgy design and ...

Donlin Gold LLC

Senior Process Engineer

Anchorage, AK · On-site

$225K - $250K/yr

Degree in Chemical Engineering, Metallurgical Engineering, or Mineral Processing. * Understand the technical requirements and deliverables for pre -feasibility and feasibility studies related to ...

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Minerals Processing Engineer information

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$87.7K

$118K

How much do minerals processing engineer jobs pay per year?

As of Jul 22, 2026, the average yearly pay for minerals processing engineer in the United States is $87,739.00, according to ZipRecruiter salary data. Most workers in this role earn between $67,000.00 and $106,500.00 per year, depending on experience, location, and employer.

What does a mineral processing engineer do?

A mineral processing engineer designs and optimizes processes to extract valuable minerals from ore, ensuring efficient recovery and quality. They analyze ore properties, select appropriate equipment, and develop processing methods, often using tools like flotation, grinding, and separation techniques, while adhering to safety and environmental standards.

Will AI replace mining engineers?

Mining engineers play a critical role in designing, managing, and optimizing mineral extraction processes, which require technical expertise and decision-making skills that AI cannot fully replicate. AI tools can assist with data analysis, automation, and process monitoring, but human oversight, problem-solving, and field experience remain essential in mining operations.

What does a Minerals Processing Engineer do?

A Minerals Processing Engineer is responsible for designing, developing, and optimizing processes to extract valuable minerals from ores efficiently and sustainably. They work with various techniques such as crushing, grinding, flotation, and leaching to separate and refine raw materials. These engineers collaborate with geologists, metallurgists, and plant operators to improve plant performance, reduce waste, and enhance environmental sustainability. Their role is vital in the mining industry, ensuring that resources are processed safely and cost-effectively for further use in manufacturing and industries.

What are the typical daily responsibilities of a Minerals Processing Engineer?

As a Minerals Processing Engineer, your daily tasks may include designing and monitoring processing circuits, optimizing production efficiency, analyzing laboratory and plant data, and troubleshooting equipment performance issues. You’ll collaborate with metallurgists, mechanical engineers, and plant operators to ensure processes are running safely and efficiently. Regular communication with management and technical teams is common, as is the development or refinement of operating procedures and adherence to environmental and safety regulations. This role often involves a mix of fieldwork, laboratory analysis, and office-based reporting, providing a dynamic and hands-on work environment.

What are the key skills and qualifications needed to thrive in the Minerals Processing Engineer position, and why are they important?

A Minerals Processing Engineer should have a solid background in chemical or metallurgical engineering, mineralogy, and process optimization, usually supported by a relevant engineering degree. Familiarity with simulation software, process control systems, and adherence to industry safety certifications like MSHA are commonly required. Strong analytical thinking, problem-solving abilities, and clear communication help facilitate effective teamwork and troubleshooting. These competencies ensure safe, efficient, and cost-effective mineral extraction and processing in dynamic industrial environments.

What does a mineral engineer do?

A minerals processing engineer designs and optimizes processes to extract valuable minerals from ore, ensuring efficient and safe operations. They analyze mineral properties, develop processing techniques, and use tools like simulation software to improve recovery rates and reduce environmental impact.

What engineers make $500,000 a year?

Highly experienced engineers in specialized fields such as petroleum, aerospace, or software engineering can earn $500,000 or more annually, often through a combination of base salary, bonuses, and stock options. These roles typically require advanced skills, extensive experience, and often involve leadership or executive responsibilities.
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Minerals Processing Engineer jobs near you
Infographic showing various Minerals Processing Engineer job openings in the United States as of July 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $87,739 per year, or $42.2 per hour.

Sr. Metallurgical Process Engineer

Mariana Minerals

Moab, UT • On-site

$104K - $135K/yr

Full-time

Posted 17 days ago

Job description

About Mariana Minerals
Mariana Minerals is a software-first, vertically integrated minerals company on a mission to supply the critical minerals powering modern energy, AI, and defense technologies. We're reimagining the minerals supply chain by combining deep industry expertise with advanced software, automation, and data-driven decision-making.
Role Overview
Mariana Minerals is seeking a highly motivated Sr. Metallurgical Process Engineer to support process development activities & scale-up experiments at our CopperOne mine outside of Moab, UT. You will oversee engineering and operations of our bioleaching columns and other pilot scale equipment supporting current and future mine projects. This role is highly hands-on and will play a key role in bridging R&D and operations, helping scale technologies from laboratory development through pilot demonstration and ultimately to commercial mining. You will work closely with R&D, technicians, metallurgists, and cross-functional teams to ensure processes are robust, efficient, and suitable for future development & scale-up.
What You'll Do
  • Operate, troubleshoot, and improve leaching columns and other pilot-scale processing equipment in collaboration with technicians
  • Design and execute pilot-scale experiments to bridge learnings between R&D and commercial mine scale
  • Develop and maintain key process documentation including PFDs, P&IDs, operating procedures, mass balances, etc
  • Analyze experimental and operational data to identify opportunities for process optimization and scale-up
  • Support development of automated monitoring and optimization tools in collaboration with software and machine learning teams
  • Ensure safe operations by supporting EHS, hazard assessments, risk management, and management of change processes

What You'll Bring
  • B.S., M.S., or PhD in Chemical Engineering, Mining Engineering, Metallurgy or a related field
  • 5+ years of experience in mining, operations, process scale-up, or plant design in minerals processing, chemicals, specialty materials, oil & gas, or related industries
  • Ability to design experiments, troubleshoot complex processes, and analyze operational datasets
  • Proven ability to utilize software and automation to improve process performance while reducing errors and resource intensity
  • Strong commitment to Health, Safety, and Environmental compliance
  • Excellent technical writing, communication, and teamwork skills
  • Comfortable working in fast-paced environments, wearing multiple hats, and managing ambiguity

Our culture is built on three principles:
Extreme Ownership - We take full responsibility for outcomes, relentlessly driving toward solutions.
Engineer Out Requirements, then Automate - We simplify, optimize, and then automate for scale.
Share Your Legos - We collaborate openly, share knowledge, and empower each other to build bigger, better solutions.
Join us as we build the future of responsible mineral sourcing and supply.

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