42 Senior Chemist jobs in South Africa

Job Title: Chemist

Location: Gauteng, Vereeniging

Application Deadline: September 05, 2025

Minimum Requirements:

• Minimum: NQF Level 6: ND in Analytical Chemistry
• Desired: NQF Level 7: Higher Diploma
• Candidate must be registered as a Natural Scientist
• At least one year of experience in an Analytical Chemistry laboratory
• Knowledge of ISO 17025 accreditation system
• Experience with analytical instruments such as discrete analysers, auto titrators, and ICPs

Primary Duties:

• Perform routine and non-routine analytical analysis using discrete analysers, autotitrators, photometric, and ion chromatography techniques
• Document and verify results in designated databases
• Conduct and record quality control checks on analytical tests
• Identify, document, and report non-conforming results
• Maintain and document equipment and instrumentation, ensuring proper functioning
• Prepare chemicals, reagents, and samples as required
• Adhere to SHERQ practices and maintain good housekeeping in the work area

Purpose of the Job:
To implement and manage all QC and formulation aspects regarding production, ensuring the legal conformity of activities; and that product registrations are aligned with the Technical Manager with regards to the business strategy of the company.

Required Qualifications

• BSc Degree Chemistry

• Minimum of 4 years working/researching experience in the chemistry and/or agriculture industry
• Drivers’ license
• Experience in Laboratory / QC / Production
• Knowledge of local legislation and legal procedures of Official Bodies
• Knowledge about the application of the products, composition, and their effects
• Show technical support to field salespeople and develop a good rapport with the customer base.
• Plan, organize, and manage experiments regarding new and improved product formulations
• Schedule and execute product-related projects in line with company strategic initiatives
• Suggest any improvements on formulations, processes, products, or new research lines.

• Attention to detail
• Proficiency in Microsoft office
• Strong communication
• Leadership skills

Monthly

• Perform chemical analysis and quality control testing
• Conduct formulation, research, and product development
• Ensure compliance with safety and environmental standards
• Maintain accurate lab records and documentation

• Bachelor's degree in Chemistry or related field (essential)
• 13 years of experience in a lab or production environment
• Strong analytical and problem-solving skills
• Familiarity with lab instruments and safety procedures

• Proactive, organized, and quality-focused
• Excellent communication and teamwork abilities
• Able to work independently and under pressure

Job Description:

Are you a passionate and detail-oriented Chemist ready for your next opportunity?

We are recruiting on behalf of a reputable client based in Cape Town , seeking a qualified Chemist to join their team.

Key Responsibilities:

• Perform chemical analysis and quality control testing
• Conduct formulation, research, and product development
• Ensure compliance with safety and environmental standards
• Maintain accurate lab records and documentation

Requirements:

• Bachelor''s degree in Chemistry or related field (essential)
• 13 years of experience in a lab or production environment
• Strong analytical and problem-solving skills
• Familiarity with lab instruments and safety procedures

Ideal Candidate:

• Proactive, organized, and quality-focused
• Excellent communication and teamwork abilities
• Able to work independently and under pressure

How to Apply:

We are SGS – the world’s leading testing, inspection and certification company. We are recognized as the global benchmark for quality and integrity. Our 97,000 employees operate a network of 2,600 offices and laboratories, working together to enable a better, safer and more interconnected world.

The Chemist will be responsible for all analysis of samples in the most accurate and productive way and timely as per relevant Test Method Instruction, assist the HOD in ensuring compliance with the SGS Laboratory Quality Manual as well as Health and Safety procedures.

Technical

• Analysing of all analytical samples for specific analysis using the correct procedures and/or methods.
• Technical accuracy of results is monitored, and remedial action is taken when necessary and data is recorded (Evaluation of analytical results)
• Update internal findings, improvement request and keep minutes of internal meetings
• Reports are generated detailing analytical results, and can include opinions and interpretations
• Verifying of instruments.
• Assist with the maintenance of instruments and apparatus.
• Must have workable knowledge to calibrate and perform minor maintenance of laboratory and preparation equipment.
• Early identification of biases and QC issues and immediate communication of these to the Section Manager
• Diagnose all suspect results and assist in rectifying the problem whether it is equipment or analytical.
• Address client complaints
• Authorize and validated any new methods under the guidance of the Section Manager

Administration

• Calculate test results as per standard format and/or procedures.
• Report results within the time frame specified.
• Report any apparatus or equipment which, to your knowledge, is not functioning correctly to the Section Manager.
• Calculate all test results in a standard format as per relevant Test Method Instruction for each workstation.
• Transfer data from the instrument to SLIMS
• All analytical data and calculations shall be made traceable and stored in the relevant files for that purpose.
• Recording and filing of all equipment records for Quality purposes.
• Verify test results against control samples and charts.
• Re-analyse analysis samples when control results are not within the control charts limits.

General

• Assist with changing of gas cylinders and the maintenance of other equipment.
• Overseeing the cleaning of the laboratory and immediate working area.
• Ensure that quality procedures are complied with.
• Ensure compliance with the Laboratory Health and Safety Act.
• Perform duties on all relevant workstations as required by the shift workload.
• Must be willing to work overtime whenever necessary.
• Wait for the arrival of his / her relief at the end of the shift, to ensure smooth shift take over.
• Shift take over will only take place in the Laboratory building.
• Assist on any lower or above level when necessary
• Assist with the training of new staff / operators on new methods and / or procedures.
• Participate and form part of Operational Integrity projects and campaigns
• Apply Check status process and use the Stop Work Authority whenever the control of risks is not clearly established and understood
• Adhere to all quality and safety requirements of the SGS management system.
• Perform any other reasonable tasks as assigned by direct line manager.

Supervising

• Assist with the training on new methods and /or procedures.
• Control the time keeping on the shift.
• Plan leave in such a way that overtime is kept to a minimum.
• Check on daily staff attendance and address any problem timelessly and Pro-actively.
• Ensure that there are sufficient Staff members on shift.

Production

• Plan leave in such a way that overtime is kept to a minimum.
• Check on daily staff attendance and address any problem timelessly and Pro-actively.
• Ensure that there are sufficient Staff members on shift.

Education

• National Diploma in Analytical Chemistry
• BTech Chemistry or BSc Chemistry will be an added advantage.

Experience

• Minimum of 3 years relevant experience in an analytical chemistry laboratory
• Operational experience in a SANAS 17025 accredited facility
• Experience in instrumentation, data collection and reporting
• Supervisory experience would be an advantage
• Fully acquainted with the SLIMS system (administration & operation)

• Knowledge of Laboratory Quality Management System
• Must be able to do troubleshooting on instruments and methods used.
• Must know how to verify calibration standards / quality control standards / verification / standards and Certified Reference Materials (CRM’s).
• Managing Good Laboratory Practice.
• Assisting the Snr Chemist with
  • Preparation of SANAS audits.
  • Managing laboratory documentation.
• Excellent problem-solving skills
• Excellent interpersonal skills and the ability to work with a variety of personalities
• Ability to consistently meet deadlines
• Ability to work both independently and as part of a team
• Superb organizational skills
• Ability to multi-task and handle several issues simultaneously

• Analysing of all analytical samples for specific analysis using the correct procedures and/or methods.
• Technical accuracy of results is monitored, and remedial action is taken when necessary and data is recorded (Evaluation of analytical results)
• Update internal findings, improvement request and keep minutes of internal meetings
• Reports are generated detailing analytical results, and can include opinions and interpretations
• Verifying of instruments.
• Assist with the maintenance of instruments and apparatus.
• Must have workable knowledge to calibrate and perform minor maintenance of laboratory and preparation equipment.
• Early identification of biases and QC issues and immediate communication of these to the Section Manager
• Diagnose all suspect results and assist in rectifying the problem whether it is equipment or analytical.
• Address client complaints
• Authorize and validated any new methods under the guidance of the Section Manager
  
  

• Calculate test results as per standard format and/or procedures.
• Report results within the time frame specified.
• Report any apparatus or equipment which, to your knowledge, is not functioning correctly to the Section Manager.
• Calculate all test results in a standard format as per relevant Test Method Instruction for each workstation.
• Transfer data from the instrument to SLIMS
• All analytical data and calculations shall be made traceable and stored in the relevant files for that purpose.
• Recording and filing of all equipment records for Quality purposes.
• Sample disposal
• Verify test results against control samples and charts.
• Re-analyse analysis samples when control results are not within the control charts limits.
  
  

• Assist with changing of gas cylinders and the maintenance of other equipment.
• Overseeing the cleaning of the laboratory and immediate working area.
• Ensure that quality procedures are complied with.
• Ensure compliance with the Laboratory Health and Safety Act.
• Perform duties on all relevant workstations as required by the shift workload.
• Must be willing to work overtime whenever necessary.
• Wait for the arrival of his / her relief at the end of the shift, to ensure smooth shift take over.
• Shift take over will only take place in the Laboratory building.
• Assist on any lower or above level when necessary
• Assist with the training of new staff / operators on new methods and / or procedures.
• Participate and form part of Operational Integrity projects and campaigns
• Apply Check status process and use the Stop Work Authority whenever the control of risks is not clearly established and understood
• Adhere to all quality and safety requirements of the SGS management system.
• Perform any other reasonable tasks as assigned by direct line manager.
  
  

• Assist with the training on new methods and /or procedures.
• Control the time keeping on the shift.
• Plan leave in such a way that overtime is kept to a minimum.
• Check on daily staff attendance and address any problem timelessly and Pro-actively.
• Ensure that there are sufficient Staff members on shift.
  
  

• Plan leave in such a way that overtime is kept to a minimum.
• Check on daily staff attendance and address any problem timelessly and Pro-actively.
• Ensure that there are sufficient Staff members on shift.
  
  

• Education
• National Diploma in Analytical Chemistry
• BTech Chemistry or BSc Chemistry will be an added advantage.
• Experience
• Minimum of 3 years relevant experience in an analytical chemistry laboratory
• Operational experience in a SANAS 17025 accredited facility
• Experience in instrumentation, data collection and reporting
• Supervisory experience would be an advantage
• Fully acquainted with the SLIMS system (administration & operation)
  
  

• Knowledge of Laboratory Quality Management System
• Must be able to do troubleshooting on instruments and methods used.
• Must know how to verify calibration standards / quality control standards / verification / standards and Certified Reference Materials (CRM’s).
• Managing Good Laboratory Practice.
• Assisting the Snr Chemist with
• Preparation of SANAS audits.
• Managing laboratory documentation.
• Excellent problem-solving skills
• Attention to detail
• Excellent interpersonal skills and the ability to work with a variety of personalities
• Ability to consistently meet deadlines
• Ability to work both independently and as part of a team
• Superb organizational skills
• Ability to multi-task and handle several issues simultaneously

Salary £26-32K dependant on experience plus bonus and use of company vehicle

Our client is a family-owned business operating in Trafford Park, Manchester. The business utilises waste materials to produce top quality packaging solutions to a wide range of industries.

A vacancy currently exists for a Site Chemist to work within the company’s outdoor operational site. Work will be split between the company’s main yard in Trafford Park and customer premises in Eccles.

The role will include the management of waste stored on both sites, acceptance of waste at the main yard, basic effluent testing and sampling, assessment of chemical waste at third party sites, dispatch operations, and other associated tasks.

Alongside this you will provide technical assessment of waste and advise site staff on health and safety/ handling requirements. You will also support management in delivering high quality recycled products whilst working within the site QMS guidelines.

There will also be some yard work to aid the team as a whole and therefore a willingness to undertake physical work outside in open warehouses all year round is a necessity.

You will be working 8hrs per day. Mon-Fri. There is flexibility with regards start and finish times either side of the core hours of 1pm – 6pm.

Full training and PPE will be given to the successful applicant.

Candidate Requirements:

• A degree in Chemistry or related subject
• Previous experience in a similar site-based role to include operating a forklift truck
• IT competent - Excel/ Word/ Outlook
• Good people and communication skills

Ref: J9539

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Job Description

We are looking for a research scientist to join our team to train AI models. You will measure the progress of these AI chatbots, evaluate their logic, and solve problems to improve the quality of each model.

In this role you will need to hold an expert understanding of chemistry- a completed or in progress Masters/PhD is but not required. Other related fields include, but are not limited to: Research and Development Chemist, Formulation Scientist, Development Chemist, Analytical Chemist, Chemical Engineer, Medicinal Chemist, Biochemist, Process Development Chemist.

Benefits:

• This is a full-time or part-time REMOTE position
• You’ll be able to choose which projects you want to work on
• You can work on your own schedule
• Projects are paid hourly starting at $40+ per hour, with bonuses on high-quality and high-volume work

Responsibilities:

• Give AI chatbots diverse and complex chemistry problems and evaluate their outputs
• Evaluate the quality produced by AI models for correctness and performance

Qualifications:

• A current, in progress, or completed Masters and/or PhD is but not required
• Fluency in English ( or bilingual level)
• Detail-oriented
• Proficient in chemistry, inductive/deductive reasoning, physical/temporal/ spatial reasoning

Note: Payment is made via PayPal. We will never ask for any money from you. PayPal will handle any currency conversions from USD. This job is only available to those in the US, UK, Canada, Australia, or New Zealand. Those located outside of these countries will not see work or assessments available on our site at this time.