Core shed, Supervisor at Ma’aden in Rabigh, Mecca, Saudi Arabia

Job purpose

The Core Shed Supervisor will safely lead and coordinate site-based core shed and sample management activities for the ERD Gold unit at Mansourah‑Massarah mine, ensuring diamond core, RC samples and geological materials are received, processed, tracked, stored and dispatched in line with company standards for safety, QA/QC, chain of custody, data integrity and operational efficiency. Support exploration and resource development drilling programs by providing disciplined sample workflows, strong contractor and stakeholder coordination, and effective leadership of core shed technicians and support personnel.

Key Accountabilities

• Supervise daily core shed operations to deliver safe, efficient and orderly workflows across sample receipt, processing, storage and dispatch.
• Coordinate diamond core and RC sample movement from drill site or pickup point through cutting, sampling, photography, SG/density testing, storage and shipment.
• Ensure sampling protocols, sample numbering, QA/QC insertion, chain-of-custody controls and lab submission requirements are applied consistently and accurately.
• Maintain robust sample tracking, inventory control and documentation using approved spreadsheets, databases and digital file management systems.
• Monitor QA/QC performance, sample turnaround times, sample condition and laboratory issues; escalate deviations and coordinate follow-up actions where required.
• Plan and assign daily work for core shed technicians and support personnel, balancing priorities across geologists, drill programs, laboratories and logistics.
• Verify that core shed layouts, storage yards, palletizing, tray/chip storage, pulps and rejects are organized, labelled and auditable.
• Lead safe operation and inspection of core shed equipment and vehicles, including forklifts and lifting equipment, and ensure housekeeping standards are maintained.
• Support field and site safety systems by completing risk assessments, participating in inspections, verifying critical controls and reinforcing stop-work expectations.
• Train, onboard and coach technicians in sampling, equipment use, QA/QC, data recording, housekeeping and safety requirements.
• Act as the primary operational interface between geologists, drilling contractors, laboratories, couriers, warehouse personnel and site support functions.
• Drive continuous improvement in core shed processes, throughput, ergonomics, quality and data reliability to support exploration and resource development outcomes.

Minimum Qualification, Experience and Competencies

Minimum Qualifications:

• Bachelor’s degree in Geology, Geological Science or equivalent geoscience discipline is required.

Minimum Experience:

• 5+ years’ experience in core shed operations, geological sampling, drilling support, sample logistics or related geology operational roles.
• Demonstrated supervisory or team leadership experience in a technical, exploration or mining operations environment.
• Strong understanding of diamond core and RC sample workflows, sample preparation, QA/QC protocols and laboratory submission processes.
• Working knowledge of safety management systems, critical controls and contractor management in a mining environment.
• Practical experience with inventory control, sample tracking, digital records management and operational reporting.
• Understanding of geological logging and drilling workflows sufficient to align core shed activities with geology program priorities.

Maaden High Performance Competencies

• Leadership
• Achievement drive and results orientated
• Communication
• Developing others
• Teamwork & collaboration
• Analytical thinking

Skills

• Strong working knowledge of core and RC sample handling, dispatch and storage systems.
• Ability to implement and verify sample numbering, tray control, cut sheet control, sample security and chain-of-custody requirements.
• Competence in QA/QC sample insertion, monitoring and follow-up of standards, blanks, duplicates and repeat requirements.
• Experienced in core photography, SG/density workflows, palletizing, warehouse organization and archive management.
• Proficiency with Excel and digital inventory / tracking systems; able to maintain accurate logs, dashboards and supporting documents.
• Ability to coordinate equipment inspections, routine maintenance requirements and safe operation of forklifts and related handling equipment.
• Good technical writing and communication skills for shift handovers, status reporting, incident follow-up and procedural updates.
• Able to train others in standard work, observe compliance and reinforce disciplined execution.