Clinton Manare Makgakga
Fire Assay Laboratory Supervisor
POLOKWANE
Summary
Laboratory Supervisor with experience guiding laboratory management, quality checks, and reporting across routine and technical testing activities. Coordinates sample preparation, instrument diagnostics, and analytical review so the team can meet quality and turnaround expectations. Strengthens lab performance through standard preparation, deviation follow-up, and monthly statistical reporting.
Overview
13
13
years of professional experience
Work History
Fire Assay Laboratory Supervisor
Tharisa Minerals
06.2022 - Current
- Supervised laboratory operations, ensuring compliance with safety regulations and industry standards.
- Oversaw quality control processes, maintaining accuracy in testing procedures and results interpretation.
- Reduced turnaround time for test results by optimizing workflows and laboratory procedures.
- Streamlined workflows by introducing process improvements that enhanced productivity and reduced waste.
- Coordinated equipment maintenance schedules, minimizing downtime and ensuring optimal operational performance.
- Established a safe working environment by enforcing strict adherence to safety protocols and guidelines.
- Maintained compliance with regulatory requirements by staying current on industry standards and updating policies accordingly.
- Developed and implemented training programs for new laboratory staff, enhancing team efficiency and knowledge retention.
- Provided technical guidance and training to laboratory staff.
- Worked closely with quality assurance teams to address and resolve any discrepancies or concerns related to laboratory processes, data, or results.
- Facilitated troubleshooting efforts during unexpected challenges or crises while maintaining composure under pressure.
- Maintained equipment and facilities in good working order.
- Coordinated and managed laboratory projects and experiments.
- Analyzed results using analytical software and created reports.
Laboratory Analyst
Tharisa Minetals
02.2022 - 06.2022
- Developed and validated analytical methods for mineral composition assessments in laboratory settings.
- Conducted routine and non routine chemical analyses to ensure compliance with industry standards and regulatory requirements.
- Collaborated with cross-functional teams to optimize sample preparation protocols and enhance workflow efficiency.
- Trained laboratory operators and interns on techniques and safety procedures, promoting skill development and adherence to safety standards.
- Analyzed data trends to identify process improvement opportunities, contributing to reduced turnaround times for analysis reports.
- Led upgrades to laboratory equipment, increasing operational capacity and minimizing maintenance costs.
- Operated and troubleshot equipment, instruments and associated software and routinely performed quality control on instrumentation to comply with established specifications.
- Ensured proper handling of hazardous materials according to established guidelines for safe disposal or storage.
laboratory operator
Tharisa minerals
01.2015 - 06.2022
- Job responsibilities from 2015-2017
- General laboratory sample preparation
- ICP-OES analysis
- XRF analysis
- Gravimetric analysis
- Reporting of final instrumental analysis and gravimetric analysis
- Job responsibilities from 2016-Recent (LABORATORY TECHNICAL TEAM)
- General laboratory management
- Quality control and quality assurance weekly and monthly checks
- ICP-OES and XRF daily instrument diagnostics
- Balance variations ( all related to the laboratory)
- In-house quality control standard preparations
- Calibration standard preparations ( ICP-OES and XRF)
- Reported monthly statistical performance of laboratory data to ensure compliance and identify trends
- Investigated method and instrument deviations for laboratory standards to maintain accuracy and reliability
- Developed and validated laboratory methods in compliance with ISO 17025 to enhance operational standards
- Company: Tharisa minerals, North West, Rustenburg, Marikana town
student trainee
Tharisa minerals
01.2014 - 01.2015
- Company: Tharisa minerals, North West, Rustenburg, Marikana town
- Assisted in daily operational tasks to ensure smooth workflow and adherence to safety protocols.
- Supported team in equipment inspections, contributing to proactive maintenance initiatives.
- Learned and applied mineral processing techniques to enhance production efficiency.
Education
ISO 17025 Certificate -
Sanas
Pretoria 04.2001 -
National diploma - analytical chemistry
Tshwane University of Technology
Pretoria, South Africa01-2016
Seshego high School
01-2009
Skills
ICP-OES analysis and reporting
XRF analysis and reporting
Gravimetric analysis( lead collection fire assay method)
Nickel sulfite collection method
Sample preparation
Instrument diagnostics
Particle size determination
AFS
Quality control checks
Quality assurance checks
Method validation
ISO 17025 compliance
Laboratory management
LIMS
Atomic absorption spectroscopy
Titration methods
Root cause analysis
Trend analysis
Timeline
Fire Assay Laboratory Supervisor
Tharisa Minerals
06.2022 - Current
Laboratory Analyst
Tharisa Minetals
02.2022 - 06.2022
laboratory operator
Tharisa minerals
01.2015 - 06.2022
student trainee
Tharisa minerals
01.2014 - 01.2015
ISO 17025 Certificate -
Sanas
04.2001 -
National diploma - analytical chemistry
Tshwane University of Technology
Seshego high School