Process & Lab Technician

About the Company

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.

Responsibilities

• 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

Requirements

• Experience working in minerals processing, metallurgy, chemicals, specialty materials, or similar industrial environments
• Familiarity with chemical processing or crushing equipment
• Ability to read and follow SOPs, equipment manuals, and safety guidelines
• Mechanical aptitude and ability to perform basic mechanical fabrication and troubleshooting
• Hands-on experience operating analytical or similar equipment
• Ability to lift up to 50 lbs and work on your feet for extended periods