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Freelance Minerals Processing Engineer Jobs (NOW HIRING)

Hatch

Mineral Processing Engineer

Salt Lake City, UT

Our mining and metals teams help our clients to safely and sustainably mine the minerals and metals ... The Senior Process Engineer will be part of an engineering team providing engineering services and ...

Hatch

Mineral Processing Engineer

Salt Lake City, UT · On-site

Our mining and metals teams help our clients to safely and sustainably mine the minerals and metals ... The Senior Process Engineer will be part of an engineering team providing engineering services and ...

Hatch

Mineral Processing Engineer

Salt Lake City, UT

Our mining and metals teams help our clients to safely and sustainably mine the minerals and metals ... The Senior Process Engineer will be part of an engineering team providing engineering services and ...

Hatch

Process Engineer - Mineral Processing

Tucson, AZ · On-site

Our mining and metals teams help our clients to safely and sustainably mine the minerals and metals ... Chemical Engineering, Metallurgical Engineering or Mineral Processing degree. * Minimum of 8 years ...

Hatch

Process Engineer - Mineral Processing

Tucson, AZ · On-site

Our mining and metals teams help our clients to safely and sustainably mine the minerals and metals ... Chemical Engineering, Metallurgical Engineering or Mineral Processing degree. * Minimum of 8 years ...

Mariana Minerals

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 ...

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

As of Jul 22, 2026, the average yearly pay for freelance 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 are the key skills and qualifications needed to thrive as a Freelance Minerals Processing Engineer, and why are they important?

To thrive as a Freelance Minerals Processing Engineer, you need expertise in mineral processing techniques, process optimization, and a relevant engineering degree such as chemical or metallurgical engineering. Familiarity with industry-standard simulation software (e.g., METSIM, JKSimMet), process control systems, and safety certifications is typically required. Strong project management, client communication, and problem-solving skills help you stand out in delivering tailored solutions. These competencies are crucial for ensuring efficient project outcomes, client satisfaction, and maintaining safety standards in diverse mining operations.

What does a Freelance Minerals Processing Engineer do?

A Freelance Minerals Processing Engineer specializes in optimizing the extraction and processing of minerals from ores in mining operations, working on a project or contract basis. Their duties often include designing processing systems, troubleshooting plant operations, improving safety and efficiency, and providing technical consultancy. Unlike in-house engineers, freelancers may work with multiple clients and on varied projects, which allows for flexibility and diverse experience. They must stay up-to-date with the latest technologies and industry regulations to provide effective solutions to their clients.

What are some common challenges faced by freelance minerals processing engineers when working on multiple client projects?

Freelance minerals processing engineers often juggle several projects with different clients, which can lead to challenges such as managing varying project timelines, coordinating communication across multiple teams, and adapting to different site-specific requirements. Maintaining up-to-date knowledge of evolving industry standards and ensuring compliance with safety and environmental regulations for each client are also frequent hurdles. Effective time management, strong communication skills, and a proactive approach to problem-solving are essential to successfully navigate these challenges and deliver quality results to all clients.
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Freelance Minerals Processing Engineer jobs near you
Infographic showing various Freelance 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.
Minerals Processing Manager

Minerals Processing Manager

DISA Technologies

Westminster, CO • On-site

$116K - $116K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 9 days ago

Job description

Job Summary
DISA is seeking a Minerals Processing Manager that is internally called the Technical Services Manager. The Technical Services Manager will lead global technical service activities as a technical expert and supervisory mentor. The successful candidate will have strong skills in supervision, minerals process engineering, testwork management, and commissioning/ operational support for mineral processing operations. Directing a high-performing team based out of Westminster, Colorado and Casper, Wyoming, the Technical Services Manager will be directly responsible for developing testwork and commissioning plans for lab tests, pilot programs, and commercial deployments while organizing and delivering process engineering services to DISA's worldwide mining clients. The role serves as the final technical authority for reviewing and approving data interpretation, process engineering analyses, and client-facing technical reports, spanning testwork results, flowsheet development, and operational optimization studies while ensuring deliverables meet DISA's quality standards before client presentation. This position requires direct client engagement, with the Technical Services Manager serving as DISA's primary technical point of contact throughout project execution and report delivery. The successful candidate will thrive in a dynamic start-up environment, wearing multiple hats and contributing to many areas of engineering.
Education/ Experience
  • Bachelor's Degree in Metallurgical Engineering, Mineral Processing Engineering, Chemical Engineering, or a closely related engineering discipline
  • 10+ years of relevant experience in mineral processing, with demonstrated progression in technical responsibility
  • Proven experience designing, managing, and interpreting structured laboratory testwork programs
  • Hands-on experience with field commissioning, optimization, and operational support at commercial-scale mineral processing facilities
  • Experience in mineral processing flowsheet development and analysis
  • Supervisory experience including formal performance management, mentorship, and development of engineering staff
  • Experience contributing to technical proposals, project scoping, and commercial pricing support

Supervisor
VP of Engineering, unless otherwise designated.
Typical Job Duties and Responsibilities
  • Lead, mentor, and develop a Technical Services team comprised of a Laboratory Testwork team based in Westminster, Colorado and a Field Service Engineering team based in Casper, Wyoming.
  • Manage the allocation of work within the Technical Services team, ensuring productivity and timely completion of deliverables.
  • Conduct formal performance reviews, establish development goals, and provide ongoing mentorship and career development planning for direct reports.
  • Review and approve work performed by the Technical Services team to ensure quality aligns with mining industry standards and DISA requirements.
  • Develop, review, and implement Standard Operating Procedures for laboratory and field activities.
  • Develop and maintain systems to track Work Orders, Support Requests, project deliverables, and resource utilization.
  • Manage the Technical Services operating budget, including laboratory costs, field deployment expenses, equipment utilization, and resource planning.
  • Coordinate with Business Development, Engineering, Product Management, Operations, and R&D to support project delivery, equipment sales, product development, and business objectives.
  • Contribute to proposal development and project scoping, including defining testwork programs, resource requirements, schedules, and technical pricing inputs.
  • Manage the development, execution, and interpretation of HPSA laboratory testwork programs conducted at the Westminster laboratory.
  • Direct resource staffing, technical planning, execution, and data analysis for pilot programs, commissioning activities, optimization projects, and operational support assignments.
  • Lead select laboratory and field activities through direct participation in testing, commissioning, troubleshooting, and optimization efforts.
  • Serve as the final technical authority for reviewing and approving testwork reports, field service reports, business case evaluations, process engineering studies, and technical papers prior to client delivery.
  • Serve as DISA's primary technical point of contact for clients throughout project execution, report delivery, and post-deployment support.
  • Perform process engineering calculations related to equipment sizing, flowsheet development, process optimization, and commercial system proposals.
  • Resolve technical and process design challenges associated with new equipment installations and operational performance.
  • Identify opportunities for product improvement and support intellectual property development initiatives.
  • Coordinate field test initiatives and product validation efforts with the R&D team.
  • Support Business Development, Engineering, R&D, and Operations through the analysis and communication of technical data and operational insights.
  • Provide regular project, operational, staffing, and budget updates to management.
  • Perform domestic and international travel as required to support laboratory activities, pilot programs, commissioning projects, client meetings, and operational support activities.
  • Abide by all policies and procedures established by DISA.
  • Attend and participate in all required safety trainings.
  • Perform any other duties as assigned by the supervisor.

Requirements
Required Skills
• Strong leadership, coaching, mentoring, and team development capabilities.
• Advanced knowledge of mineral processing operations, flowsheet development, and process optimization.
• Strong understanding of laboratory testwork design, execution, interpretation, and reporting.
• Demonstrated experience with commissioning, troubleshooting, and optimization of commercial-scale mineral processing facilities.
• Ability to analyze complex technical data and develop practical engineering solutions.
• Strong project management, organizational, and resource planning skills.
• Excellent written and verbal communication skills, including preparation of technical reports and client-facing presentations.
• Ability to manage multiple projects, priorities, and deadlines in a dynamic environment.
• Strong analytical and problem-solving skills with attention to detail.
• Ability to collaborate effectively across technical, operational, and commercial teams.
• Uphold and demonstrate DISA's Values of Dedication, Innovation, Sustainability, and Accelerate Change.
• Ability to follow safety protocols and maintain compliance with MSHA, OSHA, client site requirements, and DISA safety standards.
• Be a valid U.S. citizen or legally authorized to work in the United States.
• Possess a valid driver's license with a clean driving record.
Physical Requirements
  • Must be able to sit and/ or stand for extended periods of time.
  • Must be able to lift up to 50 lbs. occasionally.
  • Must be able to interact with people and technology while either standing or sitting.
  • To best service our customers, all employees must be able to communicate face-to-face and on the phone with or without reasonable accommodation.
  • Ability to travel domestically and internationally up to 30%.
  • Must be able to perform repetitive tasks such as typing.

DISA Technologies provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, national origin, age, disability, or genetics.
Benefits
  • Bonus Pool
  • 401(k) with matching up to 4%
  • Health insurance
  • Dental insurance
  • Vision insurance
  • Life insurance
  • Paid holidays
  • Paid time off
  • Professional Development

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