Mariana Minerals is a software-first, vertically integrated minerals company focused on supplying the minerals critical to modern energy, AI, and defense technologies. Backed by Khosla and a16z.
About the role
Help the Driller safely set up, move and tear down the drill rig and drill pad Handle rods, core barrels, casing and tooling while tripping in and out of the hole Found on 1752vc Careers, the job board for startup and VC roles.
What they're looking for
- Experience as a driller's helper, offsider or rig hand, or comparable hands-on field, construction or mechanical work
- Diamond core, reverse circulation (RC) or water-well drilling experience is a plus
- Strong mechanical aptitude and willingness to learn drilling techniques and equipment
- Real commitment to safety and following procedures
- Valid driver's license, CDL is a plus
- Work 12-hour shifts outdoors on drill pads and rugged terrain, in all weather and extreme temperatures
More about this role
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 Core Driller Assistant works alongside the Core Driller to support diamond core drilling for mineral exploration and resource definition at our open-pit copper mine. The role focuses on safe rig operations, careful core handling and recovery, equipment care, and following health, safety and environmental standards. Experience with reverse circulation (RC), air rotary or water-well drilling carries over well. It's a strong entry point for anyone looking to build a career toward Driller. Help us build the world's first fully autonomous mine.
Help the Driller safely set up, move and tear down the drill rig and drill pad
Handle rods, core barrels, casing and tooling while tripping in and out of the hole
Pull, clean, measure, label and box core accurately, with good contamination control
Mix and manage drilling fluids, and maintain water lines, pumps and supply...
Browse similar: Startup jobs