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.

Summary

The RC Driller Assistant supports the RC Driller in all aspects of reverse circulation drilling operations. This position involves assisting with equipment setup, sample collection, maintenance, and general site duties. The role requires physical strength, attention to safety, and the ability to work in remote, outdoor environments while contributing to efficient and accurate drilling operations.

Responsibilities

• Assist in the setup, operation, and teardown of RC drilling rigs and equipment

• Handle drill rods, hammers, and tooling during drilling operations

• Support sample collection, ensuring proper handling, labeling, and storage

• Assist with operation of compressors, boosters, and air systems

• Mix and manage drilling fluids when required

• Perform routine maintenance and cleaning of drilling equipment

• Load and unload equipment, tools, and supplies

• Maintain a clean and safe worksite, following all safety protocols

• Assist with site preparation, including clearing and leveling drill pads

• Monitor equipment and report mechanical issues to the RC Driller

• Follow instructions from the Driller and work effectively as part of a crew

• Help manage consumables such as bits, rods, and sample bags

Qualifications

• High school diploma or GED preferred

• Previous experience in drilling, mining, construction, or similar field is an asset

• Ability to perform physically demanding work (lifting 50+ lbs regularly)

• Basic mechanical aptitude and familiarity with tools and equipment

• Strong commitment to safety and attention to detail

• Ability to work long hours in outdoor and remote environments

• Team-oriented with good communication skills

• Valid driver’s license preferred (CDL a plus)

• Safety certifications (First Aid/CPR, MSHA/OSHA, H2S) are advantageous

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.