Mariana Minerals
Core Driller Assistant
Moab, UT · On-site · Full-time · Posted Oct 7, 2026
About the job
Supports the Core Driller with safe diamond core drilling operations at an open-pit copper mine, including core handling, equipment care, and accurate records.
What you'll do
- Assist with rig setup, movement, teardown, and handling drilling rods, barrels, casing, and tooling.
- Recover, clean, measure, label, and box core; manage drilling fluids and maintain water systems.
- Perform inspections and basic maintenance, keep records and inventory, and report ground changes or safety issues.
What they ask for
- 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.
- Commitment to safety and following procedures.
- Valid driver’s license.
Nice to have
- Diamond core, reverse circulation (RC), or water-well drilling experience.
- CDL.
Model-written summary · the original posting is authoritative