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Diamond/Core Driller Assistant

Mariana Minerals
Moab, UT

Apply Now

Job Details

Full-time

Qualifications

Laboratory sample storage
Construction site clearing
CPR Certification
Equipment safety procedures
Maintaining an organized workspace
Outdoor work experience
Labeling
Safety regulations
Unloading
CDL
High school diploma or GED
Construction site experience
First Aid Certification
Construction industry experience
Environmental protocols
Mining or extraction
Mining equipment maintenance
Power tools
Clean workspace maintenance
Machine drilling
Hand tools
Mechanical knowledge
Entry level
MSHA Certification

Full Job Description

About Mariana Minerals

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.

Summary

The Diamond/Core Driller Assistant supports drilling operations by assisting the Lead Driller with equipment setup, operation, maintenance, and site activities. This role requires physical endurance, attention to safety, and the ability to work in remote outdoor environments. The assistant plays a key role in ensuring efficient and safe core drilling operations.

Responsibilities

Assist with setup, operation, and teardown of diamond/core drilling rigs
Handle drill rods, tooling, and core barrels during drilling operations
Retrieve, label, and store core samples accurately
Mix and manage drilling fluids and maintain circulation systems
Perform routine maintenance and basic repairs on drilling equipment
Keep the worksite clean, organized, and hazard-free
Load and unload equipment, supplies, and materials
Follow all safety procedures and environmental regulations
Support site preparation tasks such as clearing and leveling drill locations
Communicate effectively with the Lead Driller and crew

Qualifications

High school diploma or GED preferred
Previous experience in drilling, construction, mining, or similar field is a plus
Ability to perform physically demanding labor (lifting 50+ lbs)
Basic mechanical aptitude and familiarity with hand/power tools
Strong commitment to safety and attention to detail
Willingness to work long hours in outdoor and remote conditions
Valid driver’s license preferred (CDL a plus)
Safety certifications (First Aid/CPR, OSHA/MSHA, H2S) are advantageous
Attention to detail

Our culture is built on four principles:

Everyone Gets Home Safe. We never put speed or cost ahead of people.

Extreme Ownership. We take full responsibility for outcomes, relentlessly driving toward solutions.

Engineer Out Requirements, then Automate. We simplify, optimize, and then automate for scale.

Share Your Legos. We collaborate openly, share knowledge, and empower each other to build bigger, better solutions.

Join us as we build the future of responsible mineral sourcing and supply!

Apply Now

Refine Your Search

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About Mariana Minerals

Our culture is built on four principles:

Join us as we build the future of responsible mineral sourcing and supply!

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