Is the Core Driller role remote?

No — this is an on-site role in Moab, UT, United States.

How much experience is required?

At least 2 years of relevant experience for this Core Driller role.

Where is the role based?

Mariana Minerals is hiring for this position in Moab, UT, United States.

Is this full-time or contract?

Full-time for this Core Driller role at Mariana Minerals.

Core Driller at Mariana Minerals

Joblaze summary

The Core Driller at Mariana Minerals is responsible for operating diamond core drill rigs to conduct mineral exploration and resource definition, ensuring safe and precise drilling practices. Candidates should have a solid background in drilling techniques, ideally with diamond core experience, and possess strong mechanical skills. This role is suited for individuals with at least two years of drilling experience who can also lead and mentor a Driller Assistant. Mariana Minerals emphasizes safety and collaboration as part of its mission to innovate the minerals supply chain.

Joblaze insights

Listed today — first seen on Joblaze October 7, 2026. Last confirmed on Mariana Minerals's careers page October 7, 2026.

Quick facts

Is the Core Driller role remote?: No — this is an on-site role in Moab, UT, United States.
How much experience is required?: At least 2 years of relevant experience for this Core Driller role.
Where is the role based?: Mariana Minerals is hiring for this position in Moab, UT, United States.
Is this full-time or contract?: Full-time for this Core Driller role at Mariana Minerals.

From the original posting

The Core Driller operates diamond core drill rigs at our open-pit copper mine, drilling for mineral exploration and resource definition. The role focuses on safe, accurate drilling to plan, high-quality core recovery, equipment care, and following health, safety and environmental standards. Diamond core experience is ideal, but we also welcome strong drillers from reverse circulation (RC), air rotary or blast hole backgrounds. A driller who can lead and train a Driller Assistant is strongly preferred. Help us build the world's first fully autonomous mine.

Responsibilities

Safely operate a diamond core drill rig in line with site procedures, manufacturer specs and MSHA requirements
Collar holes accurately and hold the right angles, depths and alignment per the drill plan
Do thorough pre-start inspections, routine servicing and basic troubleshooting to keep downtime low
Monitor and adjust drilling parameters such as fluid pressure, rotation speed, weight on bit and penetration rate
Make sure core is recovered, measured, labeled and boxed correctly, with good contamination control
Keep accurate drill logs, footage drilled and daily production reports
Recognize changes in ground conditions and flag them to the geologist and supervisors
Lead and mentor the Driller Assistant and keep the crew working safely
Keep the drill pad and equipment area clean and organized
Handle equipment breakdowns and emergencies with a calm, safety-first approach

Qualifications

2+ years of drilling experience, ideally as a diamond core driller
RC, air rotary or blast hole drillers are also encouraged to apply
Strong mechanical aptitude and a solid understanding of drilling techniques and equipment
Experience training or leading drill helpers is a strong plus
Real commitment to safety
Valid driver's license; CDL is a plus

Schedule

7 days on / 7 days off, 12-hour day shifts
Housing & Relocation: Housing and relocation assistance options are available.

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.

Core Driller

Our culture is built on four principles:

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