Senior Core Marker - Geo Technician for Drilling Ops

VirtuCruit LLC; Najran Region; On-site; SAR 201,000 - 335,000; Full time

Job summary

VirtuCruit LLC in Saudi Arabia seeks experienced Geo Technicians / Core Markers for the Drilling Department to prepare, reconstruct, and arrange drill core accurately according to depths and sequences.

You will mark metre intervals, depth measurements, and orientation lines, ensuring trays are labelled and photographed while maintaining high safety and data integrity in a diamond drilling environment.

Qualifications

• High School with equivalent years of experience. Higher education in Geo Science would be an added advantage.
• 3+ years of experience as a Core Marker/ Geo technician.
• Experience on Epiroc Boyles C6C, Atlas Copco CS14, CS1000, Boart Longyear LF90, LF230, UDRs or similar rigs.
• Valid Manual Drivers License & Ability to obtain First Aid.
• Intermediate English communication skills.

Responsibilities

• Ensure all recovered core is correctly placed, aligned, fitted, and marked in trays with accurate depth blocks and meter marks.
• Verify drill run depths, core recovery, and drilling records to maintain full core traceability and data integrity.
• Monitor and record core quality issues including core loss, core gain, grinding, broken ground, rubble zones, and recovery problems.
• Assist with and verify core orientation procedures, ensuring orientation marks are preserved and reconstructed across run breaks.
• Act as a 2IC to driller and maintain accurate daily shift drilling runs and activity (time and motion) records.
• Willingness back-up and offside when required, in case of days of offsider shortage
• Team lead the offsiders and provide training and instructions in core marking for the offsiders

Education

High School diploma

Geoscience education

Tools

Epiroc Boyles C6C

Atlas Copco CS14/CS1000

Boart Longyear LF90/LF230

Job description

VirtuCruit LLC in Saudi Arabia seeks experienced Geo Technicians / Core Markers for the Drilling Department to prepare, reconstruct, and arrange drill core accurately according to depths and sequences.

You will mark metre intervals, depth measurements, and orientation lines, ensuring trays are labelled and photographed while maintaining high safety and data integrity in a diamond drilling environment.