Core Driller Assistant

Mariana Minerals•Moab, UT

7d•Onsite

About The Position

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.

Requirements

Experience as a driller's helper, offsider or rig hand, or comparable hands-on field, construction or mechanical work
Strong mechanical aptitude and willingness to learn drilling techniques and equipment
Real commitment to safety and following procedures
Valid driver's license

Nice To Haves

Diamond core, reverse circulation (RC) or water-well drilling experience is a plus
CDL is a plus

Responsibilities

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 systems
Do pre-start inspections, greasing, lubrication and basic maintenance on the rig, compressors, pumps and support equipment
Help keep drill logs, footage drilled, consumables used and daily reports
Keep an inventory of bits and supplies, and let the Driller know when stock is low
Recognize changes in ground conditions and flag them to the Driller and geologist
Keep the drill pad and equipment area clean and organized
Handle equipment breakdowns and emergencies with a calm, safety-first approach