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Minerals Processing Engineer Jobs in Texas (NOW HIRING)

EnergyX

Process Engineer

Austin, TX · On-site

Bachelors degree or higher in Engineering (Chemical Engineering, Metallurgical Engineering, or Minerals Engineering) * Minimum 5 years of work experience in process development, piloting, scale-up ...

Mariana Minerals

Mine Planner

Houston, TX · On-site

$140K - $175K/yr

About Mariana Minerals Mariana Minerals is a software-first, vertically integrated minerals company ... Work closely with geology, geotechnical, processing, infrastructure, and operations teams to ensure ...

Mariana Minerals

Project Controls Manager

Houston, TX · On-site

$171K - $216K/yr

About Mariana Minerals Mariana Minerals is a software-first, vertically integrated minerals company ... This is a hands-on leadership role at the intersection of cost engineering, scheduling, risk ...

Mariana Minerals

Senior Accountant

Houston, TX · On-site

$85K - $100K/yr

About Mariana Minerals Mariana Minerals is a software-first, vertically integrated minerals company ... This is a hands-on role focused on executing core accounting processes and supporting the monthly ...

Mariana Minerals

Sr. HRBP/Generalist

Houston, TX · On-site

$100K - $150K/yr

About Mariana Minerals Mariana Minerals is a software-first, vertically integrated minerals company ... Manage employee lifecycle processes, including onboarding, offboarding, employee changes, HRIS ...

Judge Group, Inc.

Process Automation Engineer

El Paso, TX · On-site

$75K - $104K/yr

Process Automation Engineer Location: El Paso, TX Contact: Email resume to David Kellogg, Sr. ... Experience in or understanding of mining and mineral processing systems * Familiarity with or ...

Mariana Minerals

Global Workplace Director

Houston, TX · On-site

$160K - $200K/yr

About Mariana Minerals Mariana Minerals is a software-first, vertically integrated minerals company ... Engineer Out Requirements, then Automate - We simplify, optimize, and then automate for scale.

Freeport McMoRan

Process Automation Engineer II

El Paso, TX · On-site

$87K - $120K/yr

As the Process Automation Engineer II, you maintain the performance of ICS hardware and software ... Experience in or understanding of mining and mineral processing and systems * Familiarity with or ...

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Minerals Processing Engineer information

See Texas salary details

$55.9K

$81.7K

$109.9K

How much do minerals processing engineer jobs pay per year?

As of Aug 7, 2026, the average yearly pay for minerals processing engineer in Texas is $81,742.00, according to ZipRecruiter salary data. Most workers in this role earn between $62,400.00 and $99,200.00 per year, depending on experience, location, and employer.

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 key skills and qualifications needed to thrive as a minerals processing engineer?

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 are the most commonly searched types of Minerals Processing Engineer jobs in Texas? The most popular types of Minerals Processing Engineer jobs in Texas are:
What are popular job titles related to Minerals Processing Engineer jobs in Texas? For Minerals Processing Engineer jobs in Texas, the most frequently searched job titles are:
What job categories do people searching Minerals Processing Engineer jobs in Texas look for? The top searched job categories for Minerals Processing Engineer jobs in Texas are:
Minerals Processing Engineer jobs near you
Infographic showing various Minerals Processing Engineer job openings in Texas as of August 2026, with employment types broken down into 80% Full Time, 15% Part Time, 1% Temporary, 3% Contract, and 1% Nights. Highlights an 92% Physical, 3% Hybrid, and 5% Remote job distribution, with an average salary of $81,742 per year, or $39.3 per hour.

Contract Piping Design Engineer

Mariana Minerals

Houston, TX • On-site

$75K - $120K/yr

Contractor

Re-posted 16 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 Piping Design Engineer to join our team. This position may be filled as a contractor or contract-to-hire, depending on the candidate's experience and business needs.
As a Piping Design Engineer at Mariana Minerals, you will lead the design of piping and related systems from concept design through the production of fabrication and construction drawings. We are revolutionizing the way industrial plants are designed and built and we are looking for a hands-on engineer to lead the design and engineering of full piping scopes.
What You'll Do
  • Develop plant layouts and conceptual designs through requirements engineering and strong collaboration with all disciplines.
  • Design and model piping and equipment arrangements in AutoCAD Plant 3D.
  • Setup and draft process flow diagrams (PFDs) as well as (P&IDs).
  • Develop and draft construction drawings including piping isometrics and layout drawings.
  • Work as part of teams, managing or being managed by other designers and engineers.
  • Develop the full piping package for projects including specifications, standards and standard details.
  • Perform piping stress analysis and materials selection.
  • Define requirements for third party 3D equipment models and P&IDs to integrate into Mariana Minerals hosted AutoCAD Plant 3D environment.
  • Perform piping analysis, validation and verification independently or under the supervision of a licensed Professional Engineer.
  • Actively engage in development of Mariana's internal software tools.

What You'll Bring
  • Bachelor's degree in Mechanical Engineering or a related engineering discipline.
  • 2D drafting experience including PFDs, P&IDs, Plot Plans, etc.
  • 3D modeling experience including Piping design, isometric generation, etc.
  • Demonstrated ability to deliver integrated and validated piping designs.
  • Strong understanding of engineering fundamentals and a demonstrated ability to leverage that understanding to solve challenging problems.
  • Ability to work effectively with cross-functional teams, manage competing priorities, and deliver high-quality engineering packages under schedule constraints.
  • Proficiency in CAD software, preferably AutoCAD Plant3D, with a proven track record of producing accurate and efficient designs.
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.

Apply