Lab QA Specialist

SAUDI ARABIAN RESOURCES COMPANY; Riyadh; On-site; SAR 280,000 - 360,000; Full time

Job summary

SAUDI ARABIAN RESOURCES COMPANY is seeking a Lab QA Specialist in Saudi Arabia to ensure laboratory excellence and regulatory compliance across fire assay and instrumental analysis. You will validate results, maintain ISO 17025 QMS, and oversee chain of custody for precious metals samples.

The role requires a bachelor’s degree in a related field, five years of experience in precious metals analysis, and English for technical documentation and audits.

Qualifications

• Bachelor's degree in Chemistry, Metallurgy, or related field is required.
• Five years of hands-on experience in a precious metals assay or analytical laboratory is mandatory.
• In-depth knowledge of ISO 17025 standards for testing and calibration laboratories is essential.
• Proven expertise in fire assay techniques including flux selection and cupellation is required.
• Proficiency with ICP-OES, AAS, or XRF for elemental analysis is necessary.
• Strong skills in statistical analysis and measurement uncertainty calculation are required.
• Fluency in English for technical documentation and audits is required.
• Ability to work safely in an industrial environment with acids and high temperatures is mandatory.
• Nice-to-have: LBMA audits experience, Master’s degree, LIMS familiarity.

Responsibilities

• Validate assay results before certificate issuance to ensure accuracy.
• Maintain ISO 17025 compliant QMS and calibrations.
• Oversee chain of custody for dore samples and reference materials.
• Conduct internal audits of laboratory processes, inventories, and waste logs.
• Coordinate participation in external proficiency testing programs.
• Prepare documentation for LBMA, SASO, and customer audits.
• Investigate out-of-spec results and root causes; implement corrective actions.
• Assess staff competency and maintain training matrices.
• Calculate and review measurement uncertainty budgets for methods.
• Ensure chemical safety compliance and proper hazardous waste disposal.
• Support audit readiness and respond to auditor queries.

Skills

Statistical analysis

Measurement uncertainty analysis

Fire assay techniques

Laboratory quality management

Audit coordination

Chemical safety compliance

English proficiency

Education

Bachelor's degree in Chemistry, Metallurgy, or related

Master's degree in Analytical Chemistry or Extractive Metallurgy

Tools

ICP-OES

AAS

XRF

LIMS

Job description

Key Responsibilities

The Lab QA Specialist will execute the following responsibilities to ensure laboratory excellence and regulatory compliance

Assay Result Validation

The role validates daily fire assay and instrumental analysis results to ensure accuracy before certificate issuance This involves checking calculation logic reviewing control chart trends and approving final purity values for bullion bars

ISO 17025 Maintenance

This position maintains the laboratory Quality Management System in strict accordance with ISO 17025 standards The specialist updates standard operating procedures and ensures all equipment calibrations are current and traceable

Chain of Custody Oversight

The specialist monitors the chain of custody for all incoming dore samples and outgoing reference materials This includes verifying sample sealing protocols and ensuring segregation of duties in the sample preparation area

Internal Audit Execution

The role conducts scheduled internal audits of laboratory processes chemical inventories and waste management logs Findings are documented and tracked to closure through formal corrective action plans

Proficiency Testing Management

This position coordinates participation in external proficiency testing programs with accredited providers The specialist analyzes z-scores and implements technical improvements if performance deviates from accepted limits

Audit Preparation Support

The specialist prepares documentation and evidence packs for LBMA SASO and customer audits They respond to auditor queries with factual data and root cause analyses where required

Non-Conformance Investigation

The role investigates any out-of-specification results or procedural breaches in the laboratory It determines the root cause and validates the effectiveness of corrective actions to prevent recurrence

Staff Competency Assessment

This position assesses the technical competency of lab analysts through blind sample testing and observation It maintains training matrices to ensure only authorized personnel perform critical assay steps

Measurement Uncertainty Analysis

The specialist calculates and reviews measurement uncertainty budgets for all accredited test methods This ensures that reported values include appropriate confidence intervals as per industry standards

Chemical Safety Compliance

The role verifies that chemical handling and storage practices comply with HSE regulations and SDS requirements It audits the disposal of hazardous waste such as lead slag and acidic effluents

Preferred Nice-to-have

Experience with LBMA Good Delivery List audits and responsible sourcing guidelines Master s degree in Analytical Chemistry or Extractive Metallurgy Certification as an ISO 17025 Lead Auditor Experience implementing or validating a Laboratory Information Management System LIMS

Success Metrics

Zero major non-conformities during external ISO 17025 and LBMA surveillance audits 100 of assay certificates issued with validated data and zero post-issuance corrections Successful completion of all proficiency testing rounds with satisfactory z-scores All internal audits completed on schedule with corrective actions closed within 30 days Calibration compliance rate of 100 for all critical measuring equipment Reduction in assay re-work rate by 10 through improved procedural adherence Full update of laboratory SOPs to reflect current operational and regulatory standards

Equal Opportunity Statement Saudi Gold Refinery welcomes applications from all qualified candidates Hiring decisions are made based on role requirements skills experience and alignment with Saudization and Vision 2030 priorities

Bachelor's degree in Chemistry, Metallurgy, or a related scientific discipline is required.

Five years of hands-on experience in a precious metals assay or analytical laboratory is mandatory.

In-depth knowledge of ISO 17025 standards for testing and calibration laboratories is essential.

Proven expertise in fire assay techniques including flux selection and cupellation is required.

Proficiency with ICP-OES, AAS, or XRF instrumentation for elemental analysis is necessary.

Strong skills in statistical analysis and measurement uncertainty calculation are required.

Fluency in English is required for technical documentation and international audit communication.

Ability to work safely in an industrial environment with exposure to acids and high temperatures is mandatory.