Driller Assistant (Helper)
Join Mariana Minerals as a Driller Assistant to support safe drilling operations at an open-pit copper mine.
Posted by employer 1 day ago
First seen on Joblaze 1 day ago
Last verified on the company career page 1 day ago
What you'll build
- 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
- 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
- Keep the drill pad and equipment area clean and organized
Must have
- Experience as a driller's helper, offsider or rig hand, or comparable hands-on field work
- Real commitment to safety and following procedures
- Valid driver's license
Nice to have
- Diamond core, reverse circulation (RC) or water-well drilling experience
- Strong mechanical aptitude and willingness to learn drilling techniques
Practical constraints
- 7 days on / 7 days off, 12-hour day shifts
- Work 12-hour shifts outdoors on drill pads and rugged terrain
Not disclosed in this posting: compensation, years of experience, visa sponsorship.
Joblaze summary
The Driller Assistant at Mariana Minerals supports the Driller in mineral exploration by managing rig operations, core handling, and equipment maintenance while adhering to safety protocols. Key skills include experience with various drilling techniques and a strong mechanical aptitude. This role is ideal for individuals looking to advance their careers in drilling, particularly those with a background in hands-on fieldwork or construction. Mariana Minerals emphasizes safety and collaboration, aiming to innovate within the minerals supply chain.
Joblaze insights
- Listed yesterday — first seen on Joblaze October 13, 2026. Last confirmed on Mariana Minerals's careers page October 13, 2026.
Quick facts
- Is the Driller Assistant (Helper) role remote?
- No — this is an on-site role in Moab, UT, United States.
- Where is the role based?
- Mariana Minerals is hiring for this position in Moab, UT, United States.
- What seniority level is this role?
- Mariana Minerals targets junior candidates for this position.
- Is this full-time or contract?
- Full-time for this Driller Assistant (Helper) role at Mariana Minerals.
From the original posting
The Driller Assistant works alongside the Driller to support 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.
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
Qualifications
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
Schedule
7 days on / 7 days off, 12-hour day shifts
Working Environment & Physical Requirements
Work 12-hour shifts outdoors on drill pads and rugged terrain, in all weather and extreme temperatures
Lift at least 50 lbs, with exposure to dust, noise, vibration and diesel
Wear all required PPE (hard hat, steel toes, safety glasses, hi-vis, hearing protection, and a respirator when required)
Our culture is built on four principles:
Standard company text repeated across Mariana Minerals's postings is omitted here.