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 Blast Hole Driller operates production drill rigs at our open-pit copper mine, drilling blast patterns that keep mining operations on schedule. The role focuses on safe, accurate drilling to plan, equipment care, and following health, safety and environmental standards. Open-pit blast hole experience is ideal, but we also welcome strong drillers from underground, reverse circulation (RC) or diamond core backgrounds. A utility player who can both drill and run heavy equipment is strongly preferred. Help us build the world's first fully autonomous mine.

Responsibilities

• Safely operate a blast hole drill rig in line with site procedures, manufacturer specs and MSHA requirements

• Drill production holes to plan, holding the right hole locations, depths and angles

• Do thorough pre-start inspections, routine servicing and basic troubleshooting to keep