RC Driller

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. Our culture is built on three principles: Extreme Ownership – We take full responsibility for outcomes, relentlessly driving toward solutions. Engineer Out Requirements, then Automate – We simplify, optimize, and then automate for scale. Share Your Legos – We collaborate openly, share knowledge, and empower each other to build bigger, better solutions. Join us as we build the future of responsible mineral sourcing and supply. Summary The Reverse Circulation (RC) Driller operates RC drilling rigs to support mineral exploration and mining programs. The role focuses on safe, efficient drilling operations, highquality sample recovery, equipment care, and compliance with health, safety, and environmental standards in often remote work environments. Responsibilities Safely operate Reverse Circulation (RC) drilling rigs in accordance with site procedures, manufacturer specifications, and regulatory requirements Conduct thorough pre-start inspections of drill rigs, compressors, boosters, rods, hammers, and support equipment Perform routine servicing, lubrication, and basic mechanical troubleshooting to minimize downtime Accurately collar holes and maintain correct drilling angles, depths, and alignment per drilling plans Monitor and adjust drilling parameters such as air pressure, rotation speed, bit wear, and penetration rate to optimize productivity and sample quality Ensure correct sample return, contamination control, and proper setup of cyclones, splitters, and sample bags Maintain accurate drill logs, meters drilled, consumables usage, and daily production reports Identify ground conditions and communicate changes or issues to geologists and supervisors Enforce safe work practices for offsiders and ensure compliance with all HSE requirements Maintain site housekeeping standards around the drill pad and equipment Participate in toolbox talks, pre-shift meetings, safety audits, and ongoing training Respond appropriately to equipment failures, emergencies, or changing site conditions Qualifications Proven experience as an RC Driller in mining or exploration Strong mechanical aptitude and understanding of RC drilling techniques Commitment to safety and ability to work extended shifts in remote environments Physically fit and capable of working in varying weather conditions Why Join Us? At Mariana Minerals, you’ll be part of a mission-driven team reshaping the way critical minerals are sourced and supplied globally. You’ll have the autonomy to make big decisions, the tools to innovate, and a culture that values ownership, smart automation, and collaboration. Mariana is an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. We do not discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other protected status.

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