Diamond Core Drillers (DD Drillers)

Maandag®; Dammam; On-site; SAR 167,000 - 301,000; Full time

Job summary

Maandag Middle East is hiring experienced Diamond Core Drillers to support mining exploration projects across locations in Saudi Arabia, including the Taif region and Eastern Province.

You'll operate and maintain diamond core drilling rigs, ensure high-quality core recovery, and strictly follow HSE policies and PPE requirements. English basics are required and high school is the minimum education.

Qualifications

• Practical experience in diamond core drilling or directly relevant drilling operations.
• Knowledge of drilling equipment, drilling fluids, downhole tools, and sampling procedures.
• Ability to work in remote mining and exploration environments.
• Basic English reading and writing skills for technical instructions and daily reports.
• Strong commitment to workplace safety and operational procedures.
• High school diploma or equivalent.

Responsibilities

• Operate and maintain diamond core drilling rigs safely and efficiently in accordance with project specifications.
• Conduct drilling operations to achieve required depths, drilling angles, and azimuth specifications.
• Ensure high-quality core recovery, accurate sampling, and proper handling of geological core samples.
• Monitor drilling progress, penetration rates, ground conditions, and equipment performance.
• Manage drilling fluids and downhole tools according to geological conditions.
• Handle core barrels and ensure correct core retrieval procedures.
• Identify and troubleshoot drilling issues, including stuck rods, fluid loss, and unstable ground formations.
• Label, store, and protect core samples to maintain sample integrity.
• Maintain accurate daily drilling logs, depth records, core recovery reports, and operational documentation.
• Conduct routine drilling equipment inspections and support maintenance activities.
• Coordinate with Operations Supervisors, field engineers, and geological teams.
• Comply with all site-specific HSE policies, safety procedures, and PPE requirements.

Skills

Diamond core drilling

Drilling operations

Safety procedures

Technical reporting

Education

High school diploma or equivalent

Tools

Drilling equipment

Drilling fluids

Downhole tools

Sampling procedures

Job description

Maandag Middle East is recruiting Diamond Core Drillers (DD Drillers) on behalf of a leading mining and exploration services company in Saudi Arabia.

The successful candidates will support mining exploration projects across multiple locations, including the Taif region and Eastern Province.

This position involves operating and maintaining diamond core drilling rigs, ensuring high-quality core recovery, managing drilling activities, and maintaining strict Health, Safety and Environment (HSE) standards.

We welcome applications from experienced Saudi drilling professionals, as well as candidates with relevant hands-on drilling experience who demonstrate strong technical capabilities.

Key Responsibilities

• Operate and maintain diamond core drilling rigs safely and efficiently in accordance with project specifications.
• Conduct drilling operations to achieve required depths, drilling angles, and azimuth specifications.
• Ensure high-quality core recovery, accurate sampling, and proper handling of geological core samples.
• Monitor drilling progress, penetration rates, ground conditions, and equipment performance.
• Manage drilling fluids and downhole tools according to geological conditions.
• Handle core barrels and ensure correct core retrieval procedures.
• Identify and troubleshoot drilling issues, including stuck rods, fluid loss, and unstable ground formations.
• Label, store, and protect core samples to maintain sample integrity.
• Maintain accurate daily drilling logs, depth records, core recovery reports, and operational documentation.
• Conduct routine drilling equipment inspections and support maintenance activities.
• Coordinate with Operations Supervisors, field engineers, and geological teams.
• Comply with all site-specific HSE policies, safety procedures, and Personal Protective Equipment (PPE) requirements.

Qualifications & Experience

Mandatory Requirements

• Practical experience in diamond core drilling or directly relevant drilling operations.
• Knowledge of drilling equipment, drilling fluids, downhole tools, and sampling procedures.
• Ability to work in remote mining and exploration environments.
• Basic English reading and writing skills for technical instructions and daily reports.
• Strong commitment to workplace safety and operational procedures.
• High school diploma or equivalent.

Experience Requirements

• Ideally 5–7 years of diamond core drilling experience.
• Candidates with 2–3 years of relevant hands-on drilling experience may also be considered.
• Candidates who have completed drilling training programs and gained practical field experience are encouraged to apply.