Mariana Minerals
Minerals
Process&LabTechnician
Neural analysis suggests this role is
optimal for Mid+ candidates.
“Process & Lab Technician at Mariana Minerals. Skills: Process development studies, Analytical tests, Leaching column operations, Chemical analysis. Procure columns. Construct columns”
Industry & Context.
Troubleshooting equipment issues
Ability to lift up to 50 lbs, Work on feet extended periods
What They're Looking For.
Must Have
Experience in minerals processing, Experience in metallurgy, Experience in chemicals, Experience in specialty materials, Experience in similar industrial environments, Familiarity with chemical processing, Familiarity with crushing equipment, Ability to read SOPs, Ability to follow equipment manuals, Ability to follow safety guidelines, Mechanical aptitude, Ability to perform basic mechanical fabrication, Ability to perform basic troubleshooting, Hands-on experience operating analytical equipment, Hands-on experience operating similar equipment, Commitment to safety, Commitment to accuracy, Commitment to operational excellence, Ability to lift up to 50 lbs, Ability to work on feet extended periods
Nice to Have
Communication skills, Willingness to collaborate across teams
What You'll Do.
Operate leaching columns
Maintain leaching columns
Drive leaching column operations
Troubleshoot equipment issues
Sort ore by particle size
Take representative samples
Prepare samples for analysis
Perform elemental analysis
Perform compositional analysis
Document analytical results
Maintain experimental records
Maintain material metrics
Follow environmental protocols
Follow health protocols
Follow safety protocols
How You'll Work.
Team & Collaboration
Collaborate across teams
Full 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. THE ROLE We are hiring a Process & Lab Technician to support the safe, efficient, and high-quality process development studies and analytical tests. In this role, you will work closely with R&D and engineering to build, operate, and maintain ore leaching columns. You will also be responsible for timely, accurate, and actionable chemical analysis of ore, process streams, and final products. You will play a critical role in bridging leaching research and laboratory analytics with plant operations, helping ensure processes are robust, efficient, and suitable for future development & scale-up. WHAT YOU’LL DO - Procure and construct columns and ancillary equipment used to measure copper leaching fundamentals - Drive leaching column operations including taking routine samples, troubleshooting equipment issues, and maintaining high level of cleanliness - Drive ore handling including crushing, sorting by particle size, and taking representative samples - Prepare samples for analysis using techniques such as digestion, dilution, and/or filtration - Perform elemental and compositional analysis of solid and liquid samples using ICP, NMR, XRF, Titrator, or similar analytical techniques - Document analytical results in laboratory information systems and maintain clear experimental records and material metrics using digital tools and software - Follow strict environmental, health, and safety protocols DESIRED QUALIFICATIONS - Experience working in minerals processing, metallurgy, chemicals, specialty materials, or similar industrial environments - Familiarity with chemical processing (pumps, columns, instrumentation, etc) or crushi
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