About the role
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 The Engineering Technician plays a critical technical role in bridging field operations with process engineering. In addition to equipment operation, this position serves as a key resource for interpreting engineering drawings, supporting equipment selection, and maintaining digital plant records. The ideal candidate combines handson mechanical aptitude with the ability to navigate technical documentation and CAD software to support both frontend material preparation processes and downstream chemical processing operations within the recycling facility. What You’ll Do Operate plant equipment including shredders, separators, conveyors, screens, and bagging systems. Monitor material flow and equipment performance; adjust settings to meet quality and recovery targets. Perform routine sampling, testing, and quality checks to support process and metallurgical control. Troubleshoot mechanical, electrical, and processcontrol issues and support planned maintenance. Record key operational data such as tonnage, downtime, system changes, and recovery metrics. Maintain clean, safe work areas and follow all MSHA/OSHA, lockout/tagout, and hazardcommunication procedures. Participate in safety meetings and support hazard reporting and continuousimprovement initiatives. Collaborate with supervisors, engineers, and maintenance teams; communicate equipment or process issues clearly. Support engineering projects with data collection, testing, and implementation of recommendations. Provide accurate updates during shift handovers to ensure consistent plant performance. Desired