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Flex Minerals Processing Engineer Jobs (NOW HIRING)

We have an exciting opening for an experienced Senior Minerals Processing Engineer to join our team on a full-time basis. You will be given the opportunity to work in collaboration with both internal ...

We have an exciting opening for an experienced Senior Minerals Processing Engineer to join our team on a full-time basis. You will be given the opportunity to work in collaboration with both internal ...

Staff Process Engineer

Houston, TX · On-site

$140K - $175K/yr

... minerals processing pilot plant in Houston. You will help design, deploy, and operate first-of-its-kind refining processes for critical minerals. This role is highly hands-on and will play a key role ...

Staff Mechanical Engineer

Houston, TX · On-site

$140K - $175K/yr

The Role Mariana Minerals is seeking a highly motivated Staff Mechanical Engineer to support our next-generation minerals processing pilot plant in Houston. You will lead the design, integration, and ...

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 ...

Senior Process Engineer

Westminster, CO · On-site

$105K - $135K/yr

Required Skills · Strong understanding of mineral processing, and process engineering principles. · Hands-on experience with laboratory testing methods, instrumentation, and sample analysis. · ...

Showing results 21-40

Flex Minerals Processing Engineer information

See salary details

$49.5K

$92K

$142.5K

How much do flex minerals processing engineer jobs pay per year?

As of Aug 12, 2026, the average yearly pay for flex minerals processing engineer in the United States is $92,018.00, according to ZipRecruiter salary data. Most workers in this role earn between $74,500.00 and $103,000.00 per year, depending on experience, location, and employer.
What cities are hiring for Flex Minerals Processing Engineer jobs? Cities with the most Flex Minerals Processing Engineer job openings:
What are the most commonly searched types of Minerals Processing Engineer jobs? The most popular types of Minerals Processing Engineer jobs are:
What states have the most Flex Minerals Processing Engineer jobs? States with the most job openings for Flex Minerals Processing Engineer jobs include:
Infographic showing various Flex Minerals Processing Engineer job openings in the United States as of July 2026, with employment types broken down into 96% Full Time, 1% Part Time, and 3% Contract. Highlights an 87% Physical, 5% Hybrid, and 8% Remote job distribution, with an average salary of $92,018 per year, or $44.2 per hour.

Minerals Lead / Director - USA

Hatch

Salt Lake City, UT • On-site

Full-time

Posted 21 days ago


Job description

Requisition ID: 99382
Job Category: Mining; Metals
Location: Salt Lake City, UT, United States
Join a company that is passionately committed to the pursuit of a better world through positive change. With more than 70 years of business and technical expertise in mining, energy, and infrastructure, our 10,000 colleagues in 150 countries tirelessly work toward bettering the industries in which we operate. With practical solutions that are safe, innovative and sustainable, we think globally while acting locally. Are you looking for an opportunity to join a diverse group of professionals who are committed to remaining exceptional? We look forward to hearing from you.
If it isn't grown, it's mined. Our mining and metals teams help our clients to safely and sustainably mine the minerals and metals used in our everyday lives. Want to play a part of innovating and optimizing the mining life cycle on greenfield and brownfield facilities? Apply today!
We have an exciting opening for an experienced Senior Minerals Processing Engineer to join our team on a full-time basis. You will be given the opportunity to work in collaboration with both internal staff and our clients to provide effective execution, coordination and supervision of mining, minerals processing and geometallurgical laboratory and fieldwork.
You will become involved in a wide variety of Projects - from brownfield optimisation, expansion studies to greenfield.
This role will involve execution, coordination and supervision of mining, minerals processing and geometallurgical laboratory and site/fieldwork, execution of technical reports and engineering documentation, identification of project opportunities, mathematical modelling, simulation (in comminution and flotation areas extended to understanding and integration with drill and blast, throughput forecasting and geometallurgy), field test work for integration and optimisation of existing mining and minerals processing operations, expansion studies and greenfield - design projects.
We are looking for someone with good communication skills as writing technical reports and completion of engineering documentation for our customers will be a key part of this role.
Other duties and responsibilities of the role may include:
Assist with implementation of projects train, liaise with internal Hatch engineers and clients in the region on Hatch Australia technology, methodology, mathematical models and tools/systems for Mine to Process Integration and Optimisation.
Execution, coordination and supervision of laboratory and fieldwork
Write technical reports and engineering documentation
Process optimisation - ore characterisation, drill and blasting, crushing, grinding, flotation, concentration
Process flowsheet development, equipment sizing and selection, circuit design, process flow diagrams (PFD) and process instrumentation diagrams (PID) development and review
Mining and process support during commissioning of new circuits and expansions,
Mass and metallurgical balance, mathematical modelling and simulation of comminution, flotation, concentration circuits, throughput forecasting and geometallurgical modelling
Site and remote process monitoring and support
Training clients
We are seeking applications from candidates who are analytical by nature, solution driven and passionate about minerals processing, the provision of exceptional client service and team collaboration.
Ideally, you will also possess the following skills, experience and attributes:
Experience in Minerals Processing with proven knowledge in the fields of comminution, classification,flotation and geometallurgy
Knowledge of mathematical modelling and simulation and experience in the use of mass balance and process simulation software (JKSimMet, JKSimFloat, Limn, Metsim, and SysCad)
Experience in industrial sites covering production, optimisation and development projects in crushing, screening, grinding, flotation and geometallurgy
Experience in circuit survey organisation and execution, sampling, rock characterisation, breakage and grinding test work, fragmentation assessment using image analysis, work co-ordination, data analysis and treatment, mathematical modelling and simulation, report writing and presentation.
Knowledge about mining operations and interactions with the processing plant.
Materials characterisation tests, laboratory, pilot and industrial scales experience.
Experience in equipment/circuit design and commissioning
Advanced computer and analytical skills
Develop and evaluate concentrator flowsheet options
Explain complicated technical issues in simple logical terms
Liaise and interface with all levels involved in a project since operators, engineers to managers
Good communication to clients and staff verbally and in writing
Why join us?
  • Work with great people to make a difference
  • Collaborate on exciting projects to develop innovative solutions
  • Top employer

What we offer you?
  • Flexible work environment
  • Long term career development
  • Think globally, work locally

Don't meet every single requirement? You don't need to. At Hatch, we are building a diverse, inclusive workplace that fosters innovation. If you're interested in this role, we encourage you to apply even if your past experiences don't perfectly align with the skills we've listed.
We're committed to fostering a workforce that reflects the diversity of the communities in which we operate and serve. Hatch is an Equal Opportunity Employer that considers applicants without regard to age, race, color, national origin, citizenship, religion, creed, gender, sexual orientation, marital status, disability, veteran, or any other protected status. If you have any accommodation requirements, please let us know. We'll do our best to meet your needs in accordance with applicable local legislation.
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