Senior Controller Wet Section (B3)

Are you an experienced production professional with a knack for process control? Manganese Metal Company (MMC), the world’s leading producer of high-purity electrolytic manganese metal (EMM), is looking for a dedicated Senior Controller to join our Wet Section team in Mbombela (Nelspruit), Mpumalanga.

Join a dynamic team that plays a crucial role in delivering top-quality EMM to over 120 customers in more than 20 countries. If you’re ready to contribute to a global leader and thrive in a challenging yet rewarding environment, we encourage you to apply!

About Manganese Metal Company (MMC)

MMC, established in 1974, is based in Mbombela (Nelspruit) and is renowned globally for producing 99.9% electrolytic manganese metal (EMM). Our products are vital for high-end industries including aluminium, steel, non-ferrous alloys, rechargeable lithium-ion batteries, chemicals, and welding consumables.

Your Role as Senior Controller Wet Section

As a Senior Controller in the Wet Section, you will be a key part of our Solution Preparation Department. Your main responsibility will be to operate and control the wet section process to ensure we meet daily production targets and quality standards, supplying our internal customers efficiently.

Key Responsibilities

• Operate the wet section plant to achieve the required Solution Quality Index (SQI) targets.
• Prepare and mix chemicals for the wet section processes.
• Perform necessary administrative duties related to plant operations.
• Maintain high standards of housekeeping within the plant area.

What You’ll Need (Minimum Requirements)

• Matric Certificate with Mathematics and Science.
• A minimum of 2-3 years of experience in a production environment, including basic first-line maintenance.

Desired Competencies

We’re looking for someone who is:

• A strong team player with excellent communication skills.
• A quick learner and effective problem-solver.
• Innovative, organised, and flexible.
• Able to work well under stress.
• Highly conscious of quality, safety, and cost.
• Reliable, detail-oriented, and manually capable.

Working Conditions

• This is a plant-based role where you will be exposed to hazardous chemicals.
• Shift work is a mandatory requirement for this position.

Important Application Information

Please note that applications submitted without answers to the questionnaire below, or without your Matric/N3 certificate, will unfortunately be considered unsuccessful.

MMC is a drug and alcohol-free company, and our Employment Equity Plan and Targets will be considered during the recruitment process.

Controller Questionnaire

Please include your answers to these questions in your CV or attach them on a separate page with your application:

1. What is the main purpose of leaching in the manganese circuit?
2. What can cause low manganese extraction during leaching?
3. What is the purpose of the purification stage after leaching?
4. How is iron removed from the manganese solution during leaching?
5. What can happen if purification is not properly controlled?

How to Apply

To apply, please submit your application, including proof of your qualifications and experience, along with your answers to the Controller Questionnaire, to:

Email: [email protected]

Closing Date: 24 November 2025

If you do not hear back from us within 30 days of the closing date, please consider your application unsuccessful. The company reserves the right not to make an appointment.