Thokozani Khuzwayo
Laboratory Quality Coordinator
About
Results-driven Laboratory and Quality Assurance professional with over 15 years of progressive experience in analytical laboratories within the mining and industrial sector. Highly experienced in ISO/IEC 17025, ISO 9001, ISO 14001, and OHSAS 18001 quality management systems, with a strong track record of leading successful accreditation processes and maintaining audit readiness across multiple surveillance audits.Proven expertise in laboratory operations, method development, instrument calibration, and analytical testing using advanced equipment including XRF, ICP-OES, LECO, OES, and automated titration systems. Strong background in quality assurance, data integrity, LIMS management, and continuous improvement initiatives that enhance efficiency, accuracy, and compliance. Recognised for reducing non-conformances, eliminating customer complaints, improving turnaround times, and driving operational excellence through root cause analysis (RCA), CAPA systems, and data-driven decision-making.
South Africa
Durban
Mining & Metals
Training Delivery, Document Management, Quality Auditing, Quality Assurance, Laboratory Risk Management, Budget Management, Cost Control, ISO 17025, Good Laboratory Practice (GLP), Management, Internal Audits, Problem Solving, Team Management, ISO 9001, Laboratory Skills, Regulatory Compliance, Analytical Chemistry, Chemistry, Combustion Analysis, XRF
Experience

Laboratory Quality Coordinator
Assmang Manganese Cato Ridge Works
Durban
•Led development, implementation, and continuous improvement of ISO/IEC 17025 QMS aligned with ISO 9001 standards. •Managed non-conformance processes, including root cause analysis and CAPA implementation. •Conducted trend analysis of quality data to identify risks and drive continuous improvement. •Planned and performed internal audits for ISO 17025 and ISO 9001 compliance. •Supported external and surveillance audits through documentation readiness and coordination. •Facilitated management review meetings and presented quality performance and risk reports. •Maintained full control of QMS documentation, ensuring accuracy, traceability, and compliance. •Coordinated cross-functional investigations with production and operational teams. •Managed customer feedback processes and ensured resolution of quality issues. •Generated quality reports using Excel-based data analysis and performance tracking.

Acting Laboratory Superintendent - As Required
Assmang Manganese Cato Ridge Works
Durban
•Prepared weekly, monthly, quarterly, and annual laboratory performance reports. •Provided quality leadership ensuring compliance with ISO 9001, ISO 17025, ISO 14001, and OHSAS 18001. •Conducted and supported internal audits, risk assessments, and incident investigations. •Oversaw QA/QC systems, method validation, and product specification control. •Reviewed and approved commissioning of new laboratory instruments and technologies. •Approved Certificates of Analysis (COAs) ensuring accuracy and compliance. •Managed LIMS systems to ensure data integrity and effective document control. •Strengthened quality reporting and analytics to support data-driven decision-making. •Led CAPEX and OPEX projects to improve laboratory performance and compliance. •Controlled laboratory budgets, procurement, chemicals, and inventory management.

Senior Laboratory Analyst (Shift Leader)
Assmang Manganese Cato Ridge Works
•Coordinated routine and non-routine laboratory testing and delegated tasks to staff. •Supervised Laboratory Analysts and Samplers, ensuring workflow efficiency and compliance. •Ensured adherence to SOPs and ISO/IEC 17025 quality standards. •Served as ISO 17025 Technical Signatory, verifying accuracy and validity of results. •Contributed as a core team member in ISO 17025 accreditation processes. •Calibrated, maintained, and troubleshot instruments including XRF, ICP-OES, LECO, and auto titrators. •Developed, reviewed, and validated 9 analytical methods and QA/QC procedures. •Conducted ISO 9001 internal audits and supplier quality audits. •Prepared operational, daily, and month-end laboratory performance reports. •Managed SHEQ incidents, laboratory safety compliance, and ISO documentation control

Chemist
South Africa
•Conducted chemical analysis of ferrochrome final products to ensure specification compliance. •Analysed raw materials including chrome ore and reductants for production support. •Prepared and verified Certificates of Analysis (COAs) for product release. •Performed stockpile inspections and ensured accurate sampling and traceability. •Operated and maintained analytical instruments including XRF, LECO C&S, and fluxers. •Provided technical support to production through analytical reporting and troubleshooting. •Maintained laboratory documentation and administrative records in line with quality systems. •Investigated and resolved laboratory analytical and operational deviations. •Ensured compliance with laboratory safety and health regulations during operations

Laboratory technician (trainee)
South Africa
•Performed sample preparation and analysis for XRD and XRF testing. •Analysed CRMs using OES, XRF, ICP-OES, and LECO Carbon & Sulphur analysers. •Operated EDX (Energy Dispersive X-ray) instrumentation for material analysis. •Conducted wet chemistry analysis of titanium-containing metals and slag samples. •Logged, verified, and processed analytical results using LIMS systems. •Prepared standards, reagents, and supported calibration of laboratory instruments
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