Mintek Jobs – 03 September 2026

To apply, click on the link at the end of the posts and all the best with your applications

Postdoctoral Research Fellow: Bioinformatics

Listing reference: minte_000460

Listing status: Online

Apply by: 16 September 2026

Position summary

Industry: Scientific, Research & Development

Job category: Laboratory Work

Location: Randburg

Contract: Fixed Term Contract

Remuneration: Market Related

EE position: Yes

Introduction

Mintek has an exciting career opportunity for a Postdoctoral Research Fellow: Bioinformatics. The candidate will be responsible for providing bioinformatics and computational biology expertise to support research on bioleaching and biological sulfate-reducing systems. Working within a multidisciplinary research team, the candidate will analyse and integrate molecular, microbiological and metallurgical data to improve process understanding and support technology development.

Job description

KEY PERFORMANCE INDICATORS:            

• Develop and apply bioinformatics pipelines for the analysis of 16S rRNA gene, metagenomic and whole-genome sequencing data.
• Develop, validate and implement new analytical methods, workflows and standard operating procedures (SOPs).
• Integrate molecular, microbiological and process data to support research and technology development.
• Contribute innovative ideas, research proposals and technical solutions to advance the division’s research programmes.
• Contribute to scientific publications, conference presentations and collaborative research initiatives.
• Mentor postgraduate students and junior researchers and support the development of bioinformatics capability within the division.
• Plan and manage research activities in compliance with SHEQ and good research and data management practices.

APPLICATIONS

• Comprehensive curriculum vitae, including academic records, research experience, publications and R&D outputs.
• Copy of doctoral certificate (or letter from the university confirming meeting of Ph.D. requirements).
• Cover letter motivating the application.
• Two (2) reference/support letters (one must be from the Ph.D. supervisor).

GRADE: AO3, SALARY PACKAGE: Negotiable

Successful candidates must arrange their own accommodation close to Mintek, and must make their own travel arrangements to get to Mintek. Candidates must be willing to undergo psychometric testing.

Should you not hear from us within one (1) month of the closing date, consider your application to be unsuccessful.

Mintek is an equal opportunity, affirmative action employer, whose aim is to promote representivity in all levels of occupational categories.

Minimum requirements

QUALIFICATIONS AND EXPERIENCE:

• A Ph.D. in Bioinformatics, Computational Biology, Microbiology, Molecular Biology, Biotechnology or related discipline.
• Demonstrated experience in bioinformatics and computational analysis of omics datasets.
• Experience with bioinformatics pipelines and workflow management tools (e.g. Nextflow or similar).
• Knowledge of microbial ecology, metagenomics and genomics.
• Foundation in biostatistics and data analysis.
• Understanding of molecular biology techniques and sequencing technologies.

BEHAVIOURAL COMPETENCIES:

• Team player who enjoys variety and has a strong affinity for planning and executing new and high impact research.
• Passion for research, technology development, and technology transfer.
• Excellent interpersonal skills.
• Ability to work in a stressful and demanding environment.
• Willing to travel locally and internationally.

Click here to apply

Postdoctoral Research Fellow: Chemical Engineering

Listing reference: minte_000459

Listing status: Online

Apply by: 16 September 2026

Position summary

Industry: Scientific, Research & Development

Job category: Laboratory Work

Location: Randburg

Contract: Fixed Term Contract

Remuneration: Market Related

EE position: Yes

Introduction

Mintek has an exciting career opportunity for a Postdoctoral Research Fellow: Chemical Engineering. The candidate will be responsible for conducting research in chemical and biological percolation leaching, contributing to the development and optimisation of innovative metallurgical processes for the treatment of low-grade ores and mine wastes. Working within a multidisciplinary research team, the candidate will undertake experimental and theoretical studies to improve process understanding, support the development of predictive models, and contribute to technology development and scale-up.

Job description

KEY PERFORMANCE INDICATORS:            

• Conduct experimental and theoretical research on percolation leaching processes (heap and vat leaching), including hydrodynamics, mass transfer and reaction kinetics.
• Design, execute and interpret laboratory-scale test work to improve process understanding and support technology development.
  Contribute innovative ideas and methodologies to advance percolation leaching and biometallurgical processes.
• Analyse experimental data and contribute to process modelling, prediction and optimisation of leaching performance.
• Prepare research proposals and contribute to scientific publications, conference presentations and intellectual property development.
• Mentor junior researchers and contribute to collaborative research programmes.
  Plan and manage research activities in compliance with SHEQ requirements.

APPLICATIONS

• Comprehensive curriculum vitae, including academic records, research experience, publications and R&D outputs.
• Copy of doctoral certificate (or letter from the university confirming meeting of Ph.D. requirements).
• Cover letter motivating the application.
• Two (2) reference/support letters (one must be from the Ph.D. supervisor).

GRADE: AO3, SALARY PACKAGE: Negotiable

Successful candidates must arrange their own accommodation close to Mintek, and must make their own travel arrangements to get to Mintek. Candidates must be willing to undergo psychometric testing.

Should you not hear from us within one (1) month of the closing date, consider your application to be unsuccessful.

Mintek is an equal opportunity, affirmative action employer, whose aim is to promote representivity in all levels of occupational categories.

Minimum requirements

QUALIFICATIONS AND EXPERIENCE:

• A Ph.D. in Chemical Engineering with a BSc(Eng) or BEng undergraduate degree. 
• Demonstrated experience in hydrometallurgy.
• Sound understanding of fluid flow, mass transfer and reaction kinetics in heterogeneous systems.
• Experience in percolation leaching (heap or VAT leaching) or biometallurgy will be advantageous.
• Experience in process modelling, machine learning or data-driven modelling will be advantageous.
• A publication record in peer-reviewed journals would be beneficial.
  

BEHAVIOURAL COMPETENCIES:

• Team player who enjoys variety and has a strong affinity for planning and executing new and high impact research.
• Passion for research, technology development, and technology transfer.
• Excellent interpersonal skills.
• Ability to work in a stressful and demanding environment.
• Willing to travel locally and internationally.

Click here to apply

SENIOR DEBTOR’S CONTROLLER (6 MONTHS CONTRACT)

Listing reference: minte_000458

Listing status: Online

Apply by: 4 September 2026

Position summary

Industry: Mining & Quarrying

Job category: Financial Consultants

Location: Randburg

Contract: Temporary

Remuneration: Market Related

EE position: Yes

Introduction

Mintek has an exciting opportunity to manage and control Mintek’s debtor accounts by ensuring timely collection of outstanding debt, accurate customer account administration, and compliance with approved credit control policies and procedures.

Job description

KEY PERFORMANCE INDICATORS:

Debtors account and credit risk management

• Review debtor master data through regular checks of customer information, credit limits and account status.
• Approve creation of new customers and ensure new or approved customers are loaded on IFS with appropriate fields and links to other IFS modules.
• Maintain customer credit limits and reduce limits where customers have defaulted on agreed payment terms.
• Perform regular credit limit reviews considering sales by customer, payment history and changes in the customer’s legal status.
• Review the customer base regularly to ensure that only approved debtors are maintained on the system, and block or delete inactive customer accounts where required.
• Control credit applications by maintaining assessment forms, obtaining credit references or risk assessments, obtaining financial statements where required, assessing applications and advising management of risks.
• Ensure credit application documentation and credit limit approvals are processed in accordance with the approved Mintek Credit Control Policy and Delegation of Authority.
• Review allocation of customer payments and ensure receipts are processed to the correct customer accounts.
• Follow up on unallocated receipts and ensure unidentified deposits are escalated to the responsible person and bank where necessary. Attend to queries on Mintek client debtors’ accounts and keep abreast of economic developments that may affect credit risk.

Debt collection and recovery management

• Facilitate payment of outstanding debt through regular communication with debtors and application of correct collection procedures.
• Communicate with customers and relevant departments to establish reasons for non-payment and resolve collection barriers.
• Ensure copy documentation is provided to customers or internal stakeholders to support the collection of outstanding amounts. 
• Control the preparation of payment request letters, final demands and handover recommendations for overdue debts.
• Control the preparation of requests for reversal of invoices and/or interest charged to debtors’ accounts where necessary, in accordance with the Delegation of Authority. 
• Monitor debts handed over for collection and ensure follow-up actions are documented, reviewed and escalated where required. ·
• Review credit insurance invoices monthly for accuracy, taking into account rates charged and outstanding amounts, and recommend for approval.

Stakeholder liaison and external debt recovery coordination

• Liaise with customer personnel, internal departments and management to resolve account queries, payment disputes and collection-related matters.
• Coordinate with external debt collection agencies on accounts handed over for recovery and monitor progress against agreed actions.
• Liaise with attorneys, credit insurers, banks and credit risk management service providers where required to support debtor control and recovery processes.
• Review and discuss the status of debts handed over for collection with the immediate supervisor and escalate risks or unresolved matters.

Month-end debtors control activities 

• Review the debtors age analysis to ensure accuracy and completeness before month-end closure.  Investigate long-outstanding debt and initiate action through communication with customers and relevant internal stakeholders. 
• Ensure all payments, invoices and credit notes are processed before month-end closure. · Ensure debtors outstanding above 60 days are discussed monthly with affected parties and follow-up actions are agreed.
• Control the accuracy and timely completion of control and suspense account reconciliations.

Debtors reporting and management information

• Provide Mintek management with accurate information on outstanding debtor status through analysis and record-keeping.
• Compile and distribute monthly debtors reports analysing outstanding debt, trends compared to previous months, problematic debtors and debtor management issues.
• Prepare listings of debtors outstanding longer than 60 days, including follow-up actions taken, for management reporting and information requirements.
• Compile potential doubtful debtors and potential bad debts for annual financial statement purposes based on age analysis and customer knowledge.
• Prepare control schedules for master data changes, credit limit overruns and unpaid debtors to support management oversight and prioritised follow-up.
• Compile credit limit review reports and recommend preferred actions to be taken against customers.
• Prepare monthly foreign debt declarations for submission to the credit insurance company and quarterly debtors’ book submissions for credit risk analysis.
• Maintain debtor statistics in accordance with management requirements.

Supervision, review and compliance oversight

• Supervise Debtors Controllers and clerical staff on a daily basis to ensure debtor administration is completed accurately and timeously.
• Review work performed by Debtors Controllers, including transaction inputs, supporting documentation, payment allocations, reconciliations and follow-up actions before posting or escalation where required.
• Review and update credit control processes and procedures to ensure alignment with approved policy, best practice and current credit control trends.
• Ensure the Credit Control system is administered in accordance with approved Mintek policy, procedures and Delegation of Authority requirements.
• Control correspondence sent to debtors regarding payment demands, arrear interest and related debtor communications.
• Maintain procedural and system training documentation relevant to debtor activities and ensure debtor staff maintain an adequate level of training.
• Identify Debtors Controller training requirements and support consistent application of approved debtor processes

Minimum requirements

JOB KNOWLEDGE AND EXPERIENCE: 

•  Min: Min: 3-5 years debt management experience with 1 – 2 years as a Debtors Controller
• Ideal: – Understanding of financial ERP systems

QUALIFICATIONS:

·       Min: Bachelor’s Degree in Finance/Accounting discipline

·       Ideal:  Honours in Finance/Accounting discipline

–                                   Certificate in Credit control

BEHAVIOURAL COMPETENCIES:

·       Project management.

·       Should have good verbal communication.

·       Must have good work ethics to maintain credibility of work.

·       Be able to work in a team

·       Excellent communication and organizational skills

·       Attention to detail, ability to follow up and take initiative

·       Excellent interpersonal skills

·       Ability to cope in a stressful and demanding environment

·       Be able to work under pressure

Click here to apply

Fund leader – 3 year Fixed Term Contract

Listing reference: minte_000457

Listing status: Online

Apply by: 7 September 2026

Position summary

Industry: Scientific, Research & Development

Job category: Technical Project Management

Location: Randburg

Contract: Fixed Term Contract

Remuneration: Market Related

EE position: No

Introduction

The Fund Leader is primarily tasked with raising commercialisation investment funding from external sources and managing all systems, governance, and procedures for both internal and external commercialisation-related investments into Mintek innovations. The role ensures robust decision-making, rigorous stage-gating, and reporting on project outcomes, acting as a business mirror to technical teams to ensure investments meet critical commercial milestones to unlock commercialisation.

Job description

KEY PERFORMANCE INDICATORS:

Leadership

• Provide active stage-gating and governance for commercialisation investments to prevent passive R&D expenditure.
• Exercise foresight, creativity, and professional judgment when making decisions or recommendations that directly impact research direction and the commercial outcomes of the Mintek IP portfolio.
• Guide technical research teams toward meeting critical, clearly defined commercial milestones.

Strategy & Innovation

• Establish and refine mandates, application criteria, and evaluation procedures for internal commercialisation funding instruments.
• Assess the local and international funding landscape to identify investment opportunities aligned with Mintek’s focus areas.
• Transform identified opportunities into high-quality proposals for externally funded commercial de-risking.
• Act as a “business mirror” to technical teams to ensure investment decisions are informed by clearly articulated commercial & market opportunities.
• Continually refine stage-gating and review procedures to ensure technologies move efficiently through the institutional commercialisation pipeline.

Financial Sustainability

• Support the development of robust internal funding proposals and systematically manage the portfolio of internal seed funds.
• Leverage internal seed funding to attract external co-investment, strategic partnerships, and DFI funding.
• Ensure that external revenue contributions from successful proposals actively support Mintek’s broader commercialisation programmes.

Execution, People and Planning

• Drive reporting mechanisms and quarterly reviews for all commercialisation investments, acting as the primary secretariat for funded projects.
• Manage large, multi-year funding programmes, executing comprehensive resource and timeline planning for funded milestones.
• Coordinate project inception meetings to closely align technical development with commercial de-risking activities.

Compliance Management

• Establish and monitor the operational systems and mandates required for sound governance of externally funded commercialisation projects and internal Seed Fund investments.
• Provide operational oversight of the work of applicants and technical staff to ensure absolute compliance with funding mandates.
• Proactively assess, profile, and manage all risks related to the commercialisation funding programs and individual projects in the portfolio.

Relationship Management and Reporting

• Prepare highly professional statistical and narrative reports for internal funding committees, Exco, and external institutional stakeholders.
• Engage deeply with applicants pre- and post-award to ensure milestones are commercially geared.
• Lead, guide, and mentor researchers and technical staff as they navigate the complex commercialisation funding landscape.

Minimum requirements

QUALIFICATION AND EXPERIENCE:

• Master’s degree in science / engineering
• PhD in a scientific or technical field and/or Business qualification (MBA qualification would be an advantage)
• 3–5 years of experience directly related to technology transfer or investment fund management.
• Nature of Experience: Proven experience within a technology transfer function in a University or Science Council managing seed-funding projects or investment funds and associated governance processes.

Knowledge, Skills, and Abilities:

• Strong knowledge of high-tech product development processes and commercialisation hurdles.
• Ability to negotiate complex funding terms and a thorough understanding of the statutory reporting requirements of the IPR Act.
• Excellent communication, organisational, and technical integration skills

Click here to apply

Head: Leaching

Listing reference: minte_000449

Listing status: Online

Apply by: 5 September 2026

Position summary

Industry: Mining & Quarrying

Job category: Others: RandD, Science and Scientific Research

Location: Randburg

Contract: Permanent

Remuneration: Market Related

EE position: Yes

Introduction

Mintek has an exciting opportunity for a Head in the Leaching department of the Hydrometallurgy Division. The Head: Leaching will lead the execution of multiple highly complex assignments/projects that require high levels of integration and specialised knowledge and skills, as well as strong guidance to subordinates to deliver impact. Knowledge and expertise at this level allows the incumbent to be seen as a leading contributor and technical integrator across disciplines more than a single research field, makes decisions which have a major impact on the research direction and outcomes at national level.

Job description

KEY PERFORMANCE AREAS INDICATOR:

• Interpret the organizational strategy to ensure that research is aligned with the organizational strategic
  choices.
• Operational: Systems design with integration of multiple disciplines/processes
• Discoveries/Patents: Identify opportunities
• Prepare large funding proposals to attract funding from a variety of sources for highly complex projects.
• Ensure external revenue contribution to support activities of the research group.
• Analyse and manage coordinated research projects addressing complex and often unique problems that are encountered by the specific industry sector. This involves thoroughly assessing the problem and conceptualizing the research so that is adequately addresses the opportunity and that there is an adequate value proposition for delivering the research.
• Analyse, interpret and report on highly complex research outcomes and is regarded as a national expert in a broad field, or an international expert in a specialized field. This includes reports, publications, presentationsetc. at the level of national or international expert level.
• Management of large multiyear projects and programmes, including resource and execution planning.
• Responsible for technical signoff of the work of junior staff.
• Responsible for significant equipment / facilities.
• Work independently and provides instruction to junior staff. Receive no additional guidance and instruction
  on unusual and complex problems.
• Prepare reports, presentations and publications at the level of a national / international expert.
• Lead, guide, mentor and train staff and supervise post-graduate students.

Minimum requirements

QUALIFICATIONS AND EXPERIENCE

• A minimum of MSc or MEng
• Ideal: PhD in Extractive Metallurgy or in relevant scientific field relating to Hydrometallurgy Discipline
  (Engineering or Science).
• At least 8-10 years’ experience in the relevant field
• SACNASP or ECSA registered

Click here to apply

We wish you all the best with your applications