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Minerals Engineering Jobs (NOW HIRING)

Mariana Minerals

Process Modeling Engineer

Houston, TX · On-site

$100K - $160K/yr

About Mariana Minerals Mariana Minerals is a software-first, vertically integrated minerals company ... and other engineering tools * Develop and maintain process simulation databases, ensuring ...

Mariana Minerals

Sr. Electrical Engineer

Houston, TX · On-site

$140K - $175K/yr

... or mineral processing - Large-scale chemical production processes - Engineering, procurement, and construction firms Why Join Us? At Mariana Minerals, you'll be part of a mission-driven team ...

DISA Technologies

Minerals Processing Manager

Broomfield, CO · On-site

$116K - $116K/yr

Bachelor's Degree in Metallurgical Engineering, Mineral Processing Engineering, Chemical Engineering, or a closely related engineering discipline * 10+ years of relevant experience in mineral ...

Mariana Minerals

Sr. Data Engineer

Ann Arbor, MI · On-site

$103K - $140K/yr

Mariana Minerals is a software-first, vertically integrated minerals company focused on supplying critical minerals for modern energy and technology. They are seeking a Senior Data Engineer to design ...

Mariana Minerals

Staff Process Engineer

Houston, TX · On-site

$140K - $175K/yr

S., M.S., or PhD in Chemical Engineering or a related field * 10+ years of experience in operations, process scale-up, or plant design in minerals processing, chemicals, specialty materials, oil ...

Mariana Minerals

Sr. Data Engineer

Houston, TX · On-site

$101K - $137K/yr

Mariana Minerals is a software-first, vertically integrated minerals company focused on supplying critical minerals for modern energy and technology. They are seeking a Senior Data Engineer to design ...

Mariana Minerals

Machine Learning Engineer

Ann Arbor, MI · On-site

$120K - $160K/yr

About Mariana Minerals Mariana Minerals is a software-first, vertically integrated minerals company ... engineering from experts who will challenge your assumptions. * A self-starter who asks good ...

Mariana Minerals

Sr. Data Engineer

Ann Arbor, MI · On-site

$140K - $180K/yr

About Mariana Minerals Mariana Minerals is a software-first, vertically integrated minerals company ... Desired Qualifications * 4+ years in data engineering or a closely related role. * Strong Python ...

Mariana Minerals

Sr. Metallurgical Process Engineer

Moab, UT · On-site

$104K - $135K/yr

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 ...

Mariana Minerals

Sr. Geotechnical Engineer

Houston, TX · On-site

$120K - $150K/yr

The Role Mariana Minerals is seeking a Sr. Geotechnical Engineer to support mine development ... infrastructure design, and operations across open pit and underground mining projects. This role ...

ICF

On Call Critical Minerals Expert - Remote

Washington, DC · On-site +1

$20.50 - $21/hr

Senior Critical Minerals Expert (On-Call, Part-Time/Hourly/Remote) Are you a critical minerals and ... Bachelor's degree in a relevant field such as mining engineering, geology, metallurgical/materials ...

Mariana Minerals

Extractive Metallurgist

Moab, UT · On-site

$100K - $160K/yr

This role will play a critical part in the development, optimization, and scale-up of mineral processing systems for Mariana's global operations. The ideal candidate brings strong process engineering ...

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Minerals Engineering information

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$63K

$95.5K

How much do minerals engineering jobs pay per year?

As of Jun 21, 2026, the average yearly pay for minerals engineering in the United States is $62,977.00, according to ZipRecruiter salary data. Most workers in this role earn between $47,000.00 and $72,000.00 per year, depending on experience, location, and employer.

What engineers make $300,000 a year?

In minerals engineering, senior roles such as chief engineers, project managers, or specialists with extensive experience and advanced degrees can earn $300,000 or more annually. High salaries are often associated with leadership positions, large-scale projects, or roles in resource-rich regions, especially when combined with bonuses and profit sharing.

What are the typical challenges faced by minerals engineers when working on extraction projects?

Minerals engineers often encounter challenges such as optimizing resource recovery while minimizing environmental impact, adapting to varying ore compositions, and ensuring the safety and efficiency of extraction processes. They must collaborate closely with geologists, environmental scientists, and project managers to address regulatory requirements and technological limitations. Effective communication and problem-solving skills are essential for navigating these complex, multidisciplinary projects, which often involve both fieldwork and office-based analysis.

What are the key skills and qualifications needed to thrive as a Minerals Engineer, and why are they important?

To excel as a Minerals Engineer, you need a solid background in geology, metallurgy, and chemical engineering, typically backed by a relevant engineering degree. Familiarity with mineral processing software, laboratory analysis tools, and industry-standard safety protocols is essential. Strong problem-solving, teamwork, and communication skills help drive innovation and effective project management. These capabilities ensure efficient resource extraction, compliance with regulations, and the advancement of sustainable mining practices.

What is minerals engineering?

Minerals engineering, also known as mineral processing or extractive metallurgy, is the field of engineering focused on the extraction, processing, and refinement of minerals from ores. It involves various techniques to separate valuable minerals from waste material, improve ore quality, and prepare minerals for further industrial use. Minerals engineers work in mining operations, research, and development to optimize processes for efficiency, safety, and environmental sustainability. They play a critical role in supplying essential raw materials for industries such as construction, electronics, and manufacturing.

What is the difference between Minerals Engineering vs Geotechnical Engineering?

AspectMinerals EngineeringGeotechnical Engineering
Required CredentialsBachelor's or Master's in Minerals Engineering, Geology, or related fieldsBachelor's or Master's in Civil Engineering, Geotechnical Engineering, or Geology
Work EnvironmentMining sites, mineral processing plants, laboratoriesConstruction sites, underground and surface projects, laboratories
Employer & Industry UsageMining companies, mineral processing firms, research institutionsConstruction firms, consulting agencies, government agencies
Common Search & Comparison IntentUnderstanding roles in mineral extraction and processingUnderstanding ground stability and foundation design

Minerals Engineering focuses on the extraction, processing, and optimization of mineral resources, often working in mining environments. Geotechnical Engineering, on the other hand, deals with soil and rock stability for construction and infrastructure projects. While both roles require geology-related credentials and may involve fieldwork, their industries and daily tasks differ significantly.

What engineers make $500,000?

In minerals engineering, senior roles such as chief engineers, project managers, or specialists with extensive experience and advanced certifications can reach or exceed $500,000 annually, especially in leadership positions or in companies operating in high-value resource sectors. Achieving this level typically requires a combination of technical expertise, management skills, and often working in regions with high industry demand or in executive roles.

Will AI take over mining engineering?

Mining engineering involves designing and managing extraction processes, which require technical expertise, problem-solving, and understanding of complex environments. AI can assist with data analysis, automation, and optimizing operations, but human oversight and specialized knowledge remain essential for safety, decision-making, and adapting to unpredictable conditions. Therefore, AI is a tool that complements rather than replaces mining engineers.

What do mineral engineers do?

Mineral engineers design and develop processes for extracting minerals from ores, focusing on improving efficiency and safety. They analyze geological data, select appropriate equipment, and optimize operations, often using software tools and adhering to environmental regulations.
More about Minerals Engineering jobs
What states have the most Minerals Engineering jobs? States with the most job openings for Minerals Engineering jobs include:
What job categories do people searching Minerals Engineering jobs look for? The top searched job categories for Minerals Engineering jobs are:
Minerals Engineering jobs near you
Infographic showing various Minerals Engineering job openings in the United States as of June 2026, with employment types broken down into 100% Part Time. Highlights an 90% Physical, 6% Hybrid, and 4% Remote job distribution, with an average salary of $62,977 per year, or $30.3 per hour.

Process Modeling Engineer

Mariana Minerals

Houston, TX • On-site

$100K - $160K/yr

Full-time

Posted 24 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 how minerals are sourced, refined, and optimized by combining deep industrial expertise with software, automation, and data-driven decision-making. Join us as we build the future of responsible mineral sourcing and supply.
The Role
Mariana Minerals is seeking a highly motivated Process Modeling Engineer to support the development of next-generation refining processes for critical minerals - key to enabling the world's energy transition.
In this role, you will be responsible for developing, validating, and optimizing heat and material balance models using tools such as ASPEN Plus/HYSYS, SysCAD, OLI Studio, or METSIM. You will work closely with R&D, pilot operations, and project execution teams to translate lab and pilot data into robust, scalable process models that drive the design of first-of-a-kind mineral refining facilities.
What You'll Do
  • Develop steady-state and dynamic process models to establish heat and material balances for integrated mineral refinery systems using ASPEN, SysCAD, OLI, or METSIM.
  • Automate equipment and process sizing (reactors, heat exchangers, filters, crystallizers, evaporators, and separators) based on model outputs, linking models to datasheets and other engineering tools
  • Develop and maintain process simulation databases, ensuring consistency and traceability between modeling assumptions, test data, and engineering deliverables.
  • Calibrate and reconcile models using pilot or plant operating data to ensure model fidelity and predictive accuracy.
  • Conduct process optimization studies - evaluating energy/heat recovery, recycle strategies, and material efficiency improvements.
  • Develop dynamic process models to validate PLC and DCS programming and evaluate/optimize buffer sizing throughout the design.
  • Link process models to CAPEX and OPEX estimation tools, automating technoeconomic model development
  • Document modeling methodologies and results, providing clear technical communication for design reviews, techno-economic assessments, and regulatory submissions.
What You'll Bring
  • Proficiency in one or more of the following process simulation tools:
    • ASPEN Plus / HYSYS
    • SysCAD
    • OLI Studio / OLI Flowsheet
    • METSIM
  • Deep understanding of mass transfer, heat transfer, thermodynamics, fluid flow, and reaction engineering.
  • Experience developing material and energy balances for multi-step, integrated process systems.
  • Strong grasp of chemical equilibria and phase behavior in aqueous and non-aqueous systems.
  • Familiarity with data reconciliation, parameter fitting, and model validation using experimental or operational data.
  • Competency with Python or MATLAB for model automation, data processing, and custom calculations is a strong plus.
  • Experience integrating process modeling outputs into EPC deliverables (PFDs, P&IDs, equipment datasheets, control narratives, etc.)

Why Join Us?
At Mariana Minerals, you'll be part of a mission-driven team reshaping the way critical minerals are sourced and supplied globally. You'll have the autonomy to make big decisions, the tools to innovate, and a culture that values ownership, smart automation, and collaboration.
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.
Mariana is an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. We do not discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other protected status.

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