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.

Position Summary:

The Heavy Equipment Operator plays a critical operational role in supporting mine production through the safe and efficient operation of mobile heavy equipment, including loaders, dozers, excavators, graders, water trucks, and drill rigs.

This position is responsible for conducting equipment inspections, maintaining safe working conditions, contributing to production targets, supporting operational and maintenance teams, and ensuring compliance with MSHA standards and company procedures. The ideal candidate demonstrates strong situational awareness, mechanical aptitude, and the ability to work effectively in a dynamic mining environment.

Housing can be provided onsite.

Essential Duties and Responsibilities:

Operational Responsibilities