Supervisor Mineralogy Sample Preparation

sgs· Laboratory & Testing
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About this role

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.

Frequently Asked Questions

Is the salary disclosed for the Supervisor Mineralogy Sample Preparation position at sgs?
The salary for this Supervisor Mineralogy Sample Preparation role at sgs is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Supervisor Mineralogy Sample Preparation position at sgs located?
This Supervisor Mineralogy Sample Preparation role at sgs is based in GP, West Rand District Municipality, West Rand District Municipality, GP, South Africa, za. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Supervisor Mineralogy Sample Preparation role at sgs full-time or part-time?
This is listed as a Full time position. It is posted as a Supervisor Mineralogy Sample Preparation role in the Laboratory & Testing department at sgs.
Which team or department does the Supervisor Mineralogy Sample Preparation at sgs belong to?
This Supervisor Mineralogy Sample Preparation position is part of the Laboratory & Testing department at sgs. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Supervisor Mineralogy Sample Preparation position at sgs?
Click the "Apply Now" button on this page. You will be redirected to sgs's official application portal hosted on smartrecruiters where you can submit your application directly.
When was the Supervisor Mineralogy Sample Preparation job at sgs posted?
This Supervisor Mineralogy Sample Preparation position at sgs was posted on Mar 11, 2026. Apply as soon as possible — early applications are often reviewed first.
Supervisor Mineralogy Sample Preparation
sgs
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