Lead Sample Prep & Quality Assurance Supervisor

SAUDI ARABIAN RESOURCES COMPANY; Riyadh; On-site; SAR 180,000 - 240,000; Full time

Job summary

SAUDI ARABIAN RESOURCES COMPANY is seeking an experienced supervisor to oversee sample preparation workflows in our mining laboratory in Riyadh. You will manage crushing, milling, and splitting of dore and core samples to meet assay lab deadlines and maintain quality.

The role requires hands-on experience with ISO 17025, chain-of-custody, and safety protocols, plus the ability to lead shift teams and coordinate maintenance to minimize downtime. Fluent English for technical reporting is essential.

Qualifications

• Bachelor's degree in Geology, Chemistry, Metallurgy, or a related technical discipline.
• Hands-on experience in sample preparation within mining or refining laboratory.
• Proven track record supervising shift-based technical teams.
• Knowledge of ISO 17025 requirements for laboratory competence.

Responsibilities

• Oversee daily intake crushing, milling, and splitting of samples to ensure timely delivery to the assay lab.
• Enforce ISO 17025: duplicate checks and equipment calibration verifications.
• Enforce safety protocols including Permit-to-Work and Lockout/Tagout during operation and maintenance.
• Coordinate preventive servicing with maintenance team to minimize downtime.
• Maintain chain-of-custody records for high-value samples entering the facility.
• Develop and deliver technical training for technicians; conduct quarterly competency assessments.
• Monitor stock levels of grinding media and consumables; place requisitions to prevent delays.
• Generate daily production reports detailing sample volumes, equipment status and safety observations.

Skills

Shift supervision

Quality management

ISO 17025 knowledge

English proficiency

Jaw crushers

Pulverizers

Education

Bachelor's degree in Geology, Chemistry, Metallurgy, or related

Tools

Jaw crushers

Ring mills

Pulverizers

LIMS

Job description

SAUDI ARABIAN RESOURCES COMPANY is seeking an experienced supervisor to oversee sample preparation workflows in our mining laboratory in Riyadh. You will manage crushing, milling, and splitting of dore and core samples to meet assay lab deadlines and maintain quality.

The role requires hands-on experience with ISO 17025, chain-of-custody, and safety protocols, plus the ability to lead shift teams and coordinate maintenance to minimize downtime. Fluent English for technical reporting is essential.