Senior Engineer/Scientist: Hydrometallurgy
Mintek · Randburg
Posted 11 August 2026
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Mintek has an exciting opportunity for a Senior Engineer/Scientist to conduct basic technical tasks without direct supervision. The incumbent will provide data that is accurate and ensure compliance with document control and management processes for simple projects. Duties & Responsibilities
KEY PERFOMANCE INDICATORS
• Formulates R&D questions within a single field of S&T, be aware of trends in the relevant field and formulate ideas relating to technical projects,frame and develop research questions, design experiments, identify problems, evaluate and implement solutions. • Play a leading role in the execution of work as a chief investigator of projects, within the division/group. • Operational: Establish specifications, improve workflows, and introduce operating procedures at project level. Commercial
• Prepare proposals under direct/limited supervision to Client satisfaction. • Design, operate and oversee discipline specific experimental work as required by Proposals and ensure that procedures are complied with, quality control and continual improvement are applied. • Collect and interpret data at a quantitative and qualitative level using discipline specific standard methodologies and procedures, including the preparation of analytical and descriptive narratives, ensuring that the interpretation is based on sound scientific / engineering theory. • Plan and manage projects to ensure efficient use of time, equipment and facilities coordinating with others. • Ensure proper care in the use and maintenance of equipment and supplies, promote continual improvement in the workplace, adhere to and enforce all SHEQ requirements. • Ensure the project team understands and adheres to all SHEQ requirements. • Serve as a Chief Investigator responsible for the assessment and management of all risks at a project level. Research and Development
- Prepare proposals under direct/limited supervision, including Open Call proposals.
- Perform routine scientific and engineering research using standard methods, procedures and equipment. Act as a principal investigator on such projects.
- Perform complex scientific and engineering research under supervision.
- Contributor to IP development.
Desired Experience & Qualification
QUALIFICATION AND JOB KNOWLEDGE/SKILLS REQUIRED
- Min: MEng or MSc
- Ideal: PhD or studying towards.
- At least 3 – 5 years vocational experience following first graduation in Hydrometallurgy processing of minerals or knowledge-based organisations.
- Exposure to Rare Earth Elements processing, leaching, recovery and separation.
- Exposure to, and an understanding of process simulation modelling.
- Exposure to water quality management, aqueous effluent treatment and recovery.
- Ideal: SACNASP or ECSA registered