Mariana MineralsMariana 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.Diamond/Core Driller AssistantThe Diamond/Core Driller Assistant supports drilling operations by assisting the Lead Driller with equipment setup, operation, maintenance, and site activities. This role requires physical endurance, attention to safety, and the ability to work in remote outdoor environments.
The assistant plays a key role in ensuring efficient and safe core drilling operations.ResponsibilitiesAssist with setup, operation, and teardown of diamond/core drilling rigsHandle drill rods, tooling, and core barrels during drilling operationsRetrieve, label, and store core samples accuratelyMix and manage drilling fluids and maintain circulation systemsPerform routine maintenance and basic repairs on drilling equipmentKeep the worksite clean, organized, and hazard-freeLoad and unload equipment, supplies, and materialsFollow all safety procedures and environmental regulationsSupport site preparation tasks such as clearing and leveling drill locationsCommunicate effectively with the Lead Driller and crewQualificationsHigh school diploma or GED preferredPrevious experience in drilling, construction, mining, or similar field is a plusAbility to perform physically demanding labor (lifting 50+ lbs)Basic mechanical aptitude and familiarity with hand/power toolsStrong commitment to safety and attention to detailWillingness to work long hours in outdoor and remote conditionsValid driver's license preferred (CDL a plus)Safety certifications (First Aid/CPR, OSHA/MSHA, H2S) are advantageousAttention to detailOur CultureOur 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.