Principal Engineer: Process Design
Listing reference: minte_000418
Listing status: Online
Apply by: 5 June 2026
Position summary
Industry: Scientific, Research & Development
Job category: Engineering, Technical, Production and Manufacturing
Location: Randburg
Contract: Permanent
Remuneration: Market Related
EE position: No
Introduction
Mintek has an exciting opportunity for a Principal Engineer based in the Process Design Group within the Biometallurgy Division and will lead commercial and research projects in heap leaching of low-grade base and precious metal resources. The role requires providing technical leadership in process development, innovation, and
scale-up, while leading complex, integrated projects and mentoring junior staff to ensure effective
delivery and impact.
Job description
KEY PERFORMANCE AREAS:
- Lead and oversee complex laboratory, pilot, and demonstration-scale test work for chemical
and biological heap leaching systems. - Drive research and innovation, contributing to the development of new technologies and,
methodologies in line with the Group’s focus areas. - Provide mentorship and technical guidance to junior Engineers / Scientists / Technicians,
supporting skills development and succession planning. - Lead the preparation of high-quality technical reports, client deliverables, and presentations.
- Initiate, develop, and lead proposals for commercial work and research funding, including
strategic input and client engagement. - Contribute to business development, including client interaction and identification of new
opportunities. - Ensure compliance with SHEQ requirements, laboratory protocols, and data governance
standards. - Responsible for key process equipment and facilities, ensuring optimal utilisation,
maintenance, and development.
Minimum requirements
QUALIFICATIONS AND EXPERIENCE:
- PhD in Chemical Engineering (with a BSc(Eng) or BEng undergraduate degree).
- A minimum of 6 years’ relevant experience in hydrometallurgy, bioleaching, or heap leaching
including process development and management of complex commercial and research projects. - Strong understanding of chemical and microbiological processes in heap leaching.
- Proven track record in attracting research funding (e.g. state grant, contract research, or similar
funding mechanisms).
SKILLS AND BEHAVIOURAL COMPETENCIES
- Project management.
- Strategic leadership mentoring and people development.
- Excellent communication, stakeholder & client engagement.
- Problem solving & critical thinking.