Supervisor Mineralogy Sample Preparation

sgs

West Rand District Municipality, GP, South Africa · West Rand District Municipality · South Africa

Posted Mar 11, 2026

Full-time
On-site
Laboratory & Testing
Mid-Senior Level

Job description

Company Description SGS is the world’s leading Testing, Inspection and Certification company. We operate a network of over 2,500 laboratories and business facilities across 115 countries, supported by a team of 99,500 dedicated professionals. With over 145 years of service excellence, we combine the precision and accuracy that define Swiss companies to help organizations achieve the highest standards of quality, compliance, and sustainability. Job Description PRIMARY RESPONSIBILITIES To perform the role of a Supervisor within the mineralogy division, sample preparation. The responsibilities and authorities of the technician in the mineralogy division in relation to post requirements are outlined. SPECIFIC RESPONSIBILITIES Responsible for planning and execution of work as discussed with the Mineralogy Manager and HOD Perform routine and non-routine tests following established procedures and/or modify procedures to accomplish the assigned tasks. Routinely provide training to existing technicians/operators, new technicians/operators and temporary workers. Complete tasks within the allocated time and plan work for technicians and operators to ensure that the overall service goals of the company are met. Responsible for reporting any infringements or non–compliances by any other laboratory staff member with respect to allocated work, punctuality, or any other misdemeanour to the mineralogists and/or manager. Assist with troubleshooting. Must be able to prepare mineralogical samples, Accurate recording and monitoring of sample flow and chain of custody. Accurate weighing and recording of sample/aliquot masses. Wet and dry screening. Filtration: Vacuum and Pressure. Crushing, splitting and pulverisation. Preparation of polished thin and/or polished sections. HLS and Carpco quality checks Overtime as required The sample preparation must be done most accurately and productively, and these samples must be delivered to the mineralogists in a timely and correctly manner. Must be able to do magnetic separation tests using either the Carpco Magnetic separator. Must be able to perform heavy liquid separation tests. Ensure that all sample preparation is done correctly so as to avoid contamination, sample loss and sample swapping. Calculate and evaluate interim test results as per standard format and/or procedures. Report results and deliver prepared samples within the timeframe specified by the HOD and the mineralogists Completion and filing of Control charts for the standards of the instruments used. Ensure the working area under their responsibility is clean and safe, according to the housekeeping requirements of the SGS health and safety management system. To work in other areas of the Met/Min division if required to do so. Adhere to all quality and safety requirements of the SGS management system. Perform any other reasonable task as assigned by the direct line manager. COMPLIANCE & AUTHORITY Cease the use of any equipment that may be deemed to constitute a safety hazard or enter hazardous environments without the necessary knowledge and protection, and report the situation to the higher authority to take action. Cease to carry on with work that may affect the quality (integrity) of services and report the situation to the higher authority to take action. Initiate a formal improvement request when a deviation of the system occurs, possible improvements are identified or when nonconformity is identified. Qualifications Senior certificate or equivalent. Minimum of 10 years as a mineralogical sample preparation technician and at least 5 years of experience in operational planning Supervisory experience will be a advanatage REQUIRED SKILLS Able to follow written English instructions to the finest detail Good English communication skills Basic computer literacy (word and excel) Additional Information All your information will be kept confidential according to EEO guidelines.