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Assistant Diamond Drilling Supervisor Jobs (NOW HIRING)

Mariana Minerals

Diamond/Core Driller

Moab, UT · On-site

$23.25 - $31.50/hr

This role requires precision drilling, strong mechanical skills, and strict adherence to safety ... issues to supervisors and geologists * Perform routine maintenance, lubrication, and minor ...

Sierra Circuits inc.

Drilling Supervisor

Sunnyvale, CA · On-site

$75K - $100K/yr

The Drilling Supervisor's primary responsibility is to ensure all processes, special instructions ... Includes stopping a problem job if necessary. · Assist the Drilling Manager in managing the ...

Webdrill

Experienced Underground Drillers

Delta Junction, AK · On-site

$24 - $32.75/hr

Liaise with Site Project Managers and Supervisors on drilling operations. * Willingness to work ... diamond drilling Preferred Experience (Not Required) * 3+ yrs of core or diamond drilling ...

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How much do assistant diamond drilling supervisor jobs pay per hour?

As of Aug 13, 2026, the average hourly pay for assistant diamond drilling supervisor in the United States is $20.76, according to ZipRecruiter salary data. Most workers in this role earn between $16.59 and $23.56 per hour, depending on experience, location, and employer.

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Assistant Diamond Drilling Supervisor jobs near you
Infographic showing various Assistant Diamond Drilling Supervisor job openings in the United States as of June 2026, with employment types broken down into 100% Full Time. Highlights an 98% Physical, 1% Hybrid, and 1% Remote job distribution, with an average salary of $43,181 per year, or $20.8 per hour.

Diamond/Core Driller

Mariana Minerals

Moab, UT • On-site

$23.25 - $31.50/hr

Full-time

Re-posted 8 days ago

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 is responsible for safely and efficiently operating diamond drilling equipment to recover high-quality core samples for mineral exploration and geological evaluation. This role requires precision drilling, strong mechanical skills, and strict adherence to safety, environmental, and quality standards, often in remote or challenging conditions.
Responsibilities
  • Safely operate diamond/core drilling rigs in accordance with company procedures, manufacturer guidelines, and regulatory requirements
  • Conduct pre-start inspections and ongoing checks of drill rigs, rods, core barrels, pumps, and support equipment
  • Accurately set up drill sites, align rigs, and collar holes to specified angles, depths, and locations
  • Monitor drilling parameters including rotation speed, bit pressure, water flow, and penetration rates to optimize core recovery and equipment performance
  • Ensure maximum core recovery, correct handling, and proper placement of core in trays
  • Identify and respond to changing ground conditions and communicate technical or geological issues to supervisors and geologists
  • Perform routine maintenance, lubrication, and minor mechanical repairs to minimize downtime
  • Maintain accurate drilling records, including meterage, core recovery, consumables usage, and daily reports
  • Enforce safe work practices for offsiders and ensure compliance with health, safety, and environmental policies
  • Maintain high housekeeping standards at the drill site
  • Participate in toolbox talks, safety meetings, and ongoing training programs
  • Respond appropriately to equipment failures, emergencies, and changing site conditions

Qualifications
  • Proven experience as a Diamond/Core Driller in mineral exploration or mining environments
  • Strong understanding of diamond drilling techniques, core recovery methods, and basic geology
  • Mechanical aptitude with the ability to troubleshoot and perform routine maintenance
  • Strong commitment to workplace health and safety
  • Ability to work long shifts in remote or FIFO environments
  • Physically fit and capable of working in varying weather conditions
  • Valid driver's license (appropriate class)
Our culture is built on three principles:
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.

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