Diamond/Core Driller Assistant

Responsibilities

• Assist with setup, operation, and teardown of diamond/core drilling rigs
• Handle drill rods, tooling, and core barrels during drilling operations
• Retrieve, label, and store core samples accurately
• Mix and manage drilling fluids and maintain circulation systems
• Perform routine maintenance and basic repairs on drilling equipment
• Keep the worksite clean, organized, and hazard-free
• Load and unload equipment, supplies, and materials
• Follow all safety procedures and environmental regulations
• Support site preparation tasks such as clearing and leveling drill locations
• Communicate effectively with the Lead Driller and crew

Requirements

• Ability to perform physically demanding labor (lifting 50+ lbs)
• Basic mechanical aptitude and familiarity with hand/power tools
• Strong commitment to safety and attention to detail
• Willingness to work long hours in outdoor and remote conditions
• High school diploma or GED preferred
• Previous experience in drilling, construction, mining, or similar field is a plus
• Valid driver’s license preferred (CDL a plus)
• Safety certifications (First Aid/CPR, OSHA/MSHA, H2S) are advantageous

About the Company

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.