Microbiologist

Nestlé; Mossel Bay; On-site; ZAR 420,000 - 600,000; Full time

Job summary

Nestlé East and Southern Africa in Mossel Bay is seeking a Microbiologist. You will sample raw materials (ROH), in-process line samples and finished products, perform laboratory testing, and ensure GLP compliance to support product quality, food safety, and regulatory adherence.

The ideal candidate holds a bachelor's degree or diploma in Microbiology, Food Technology, Biotechnology, or a related field, with 2–3 years of laboratory experience, knowledge of calibration records, QC, and proficiency

Qualifications

• Bachelor's degree or diploma in Microbiology, Food Technology, Biotechnology, or related field.
• 2–3 years of laboratory experience with GLP and quality assurance knowledge.
• Knowledge of food safety principles and microbiological analytical techniques.
• Proficiency in SAP and Excel for data management and reporting.
• Strong attention to detail, analytical thinking, and ability to manage multiple priorities.

Responsibilities

• Sample raw materials (ROH), in-process line samples and finished products.
• Conduct laboratory testing in accordance with GLP and internal SOPs.
• Support method verification and validation and report results within turnaround times.

Skills

GLP knowledge

Quality assurance

SAP

Microsoft Excel

Education

Bachelor's Degree or Diploma in Microbiology/related field

Tools

SAP

Microsoft Excel

Job description

Company: Nestlé East and Southern Africa

Location: Mossel Bay

Position Type: Full-Time

Minimum Educational Qualification: Bachelor's Degree or Diploma in Microbiology, Food Technology, Biotechnology, or a related scientific discipline.

Minimum Relevant Work Experience: 2-3 years of experience in a laboratory environment, with knowledge of method verification, Good Laboratory Practices (GLP), and quality assurance principles.

Closing date: 21 August 2026

Position Summary

With a history spanning over 150 years, Nestlé did not become the world’s leading food and beverages brand by chance. Perfection is at the heart of what we do, and our people are always looking for the next big idea to cement our status. We are now looking for a Microbiologist based at Mossel Bay. The Microbiologist is responsible for sampling raw materials (ROH), in-process line samples, and finished products, as well as conducting laboratory testing and quality assurance activities in accordance with Good Laboratory Practices (GLP). The role supports method verification and validation, ensuring the generation of accurate, reliable, and compliant analytical results that contribute to product quality, food safety, and regulatory compliance. Responsibilities include sample preparation, testing, and reporting of results within agreed turnaround times, while maintaining strict adherence to GLP and work planning requirements. The incumbent is also responsible for maintaining accurate records of equipment calibration, maintenance, and reagent/media preparation to ensure full traceability. In addition, the role involves routine monitoring of method performance and participation in proficiency testing programs to verify analytical competence and maintain the integrity of laboratory results.

A Day in the Life of a Microbiologist

Leadership

• Demonstrates a thorough understanding of products, food safety requirements, and applicable regulatory standards, proactively escalating deviations, abnormalities, or out-of-specification results to the Head of Microbiology and initiating appropriate corrective actions.
• Drives continuous improvement initiatives within the microbiology laboratory to enhance efficiency, quality, and compliance.
• Supports the Food Safety Specialist during GLP audits and contributes to the improvement of hygiene standards and food safety practices across the factory.

Technical Responsibilities

• Executes environmental and pathogen monitoring programs by collecting swab samples throughout the factory and performing microbiological analyses according to approved sampling plans and methods.
• Prepares microbiological media, performs method verification activities, and conducts routine and specialized microbiological analyses on raw materials, environmental samples, in-process products, and finished products.
• Ensures accurate reporting of results within agreed turnaround times and in compliance with established quality requirements.

Proficiency Testing and Method Performance

• Participates in internal and external proficiency testing programs to demonstrate analytical competency and verify method performance.
• Monitors analytical quality control data and method performance on a routine basis, taking corrective action where necessary to maintain the integrity and reliability of laboratory results.

Management of GLP, ICPs, and SOPs

• Develops, reviews, implements, and maintains Internal Control Procedures (ICPs) and Standard Operating Procedures (SOPs) to ensure compliance with laboratory and quality management requirements.
• Maintains Good Laboratory Practices (GLP) and ensures compliance with health, safety, and environmental requirements at all times.

Resource and Equipment Management

• Manages laboratory resources, including chemicals, gases, culture media, glassware, instruments, and consumables, to ensure uninterrupted laboratory operations.
• Coordinates equipment servicing, calibration, maintenance, and repairs, ensuring all laboratory equipment remains fit for purpose.
• Maintains comprehensive records of equipment maintenance, calibrations, repairs, and analytical method controls to ensure full traceability and compliance.

Sample Preparation, Analysis, and Reporting

• Performs sample receipt, preparation, testing, verification, and reporting activities in accordance with approved methods, strict work planning schedules, and GLP requirements.
• Ensures all analytical results are generated accurately and reported within the specified turnaround times to support product quality, food safety, and regulatory compliance.

What Will Make You Successful?

• Bachelor's Degree or Diploma in Microbiology, Food Technology, Biotechnology, or a related scientific discipline.
• 2-3 years of experience in a laboratory environment, with exposure to microbiological testing, Good Laboratory Practices (GLP), method verification, and quality assurance systems.
• Knowledge of food safety principles, laboratory quality management systems, and microbiological analytical techniques.
• Proficiency in SAP, Microsoft Excel, and other laboratory data management systems.
• Strong attention to detail, analytical thinking, problem-solving skills, and the ability to manage multiple priorities while meeting strict deadlines.
• Excellent communication and teamwork skills, with a commitment to continuous improvement and compliance.