Laboratory Analyst

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Location: Centurion, Gauteng , South Africa

The Laboratory Analyst will be responsible for the following:

1.    Coordinating the activities of the laboratory technicians and interns and optimizing the use of the equipment in the preparative section of the laboratory.
3.    Ensure service delivery to the customers- reporting of results within the documented turnaround time.
4.    Method validation-addition of new matrices and/or pesticide actives.
5.    Self-management.
6.    Minimize financial risks.
7.    Implementation of QMS (ISO17025).
8.    Communication and reporting to internal and external stakeholders.
9.    Self-management.
10.    Minimise financial risk.
11.    Management of critical consumables.

Qualification Required

         Minimum qualification of a National Diploma in Analytical Chemistry or related field.

Experience Required

• At least 3 years of relevant experience working in an ISO 17025 accredited laboratory.
• Implementation of accredited methods, increasing the scope of accreditation and a particular understanding of the technical processes of GC-MS/MS and LC-MS/MS analysis of pesticide residues.
• Interpretation and evaluation of test results.
• Trouble shooting of GC-MS/MS and LC-MS/MS.
• Method validation and creation of validation reports according to EURACHEM regulations.
• Analysis of pesticide residues using the QuEChERS extraction technique.

Key Responsibilities

• Co-ordinates the use of analytical equipment to ensure maximum throughput in the laboratory.
• Maximise analytical volumes per day.
• Performs internal verification of equipment (balances, volumetric flasks, pipettes)
• Ensures that the accommodation and environmental conditions of the laboratory are controlled and recorded accordingly.
• Checking quality and suitability of chemicals.
• Sample registration on LIMS
• Preparation of reference standards.
• Preparation of daily solvents and standards.
• Participation in proficiency testing schemes.
• Routine preventative maintenance of the GC-MS/MS and LC-MS/MS instruments.
• Checking and authorising certificates of analysis for pesticide results as a SANAS approved technical signatory.
• Troubleshooting-instruments/QC samples/test results/equipment.
• Attend and participate in laboratory meetings.
• Assist with the clearance of non-conformances – root cause analysis.
• Effective communication and reporting that leads to improved internal relationships and decisions.

Knowledge Required

• In depth knowledge of ISO 17025, implementation, and improvements.
• Method validation according to EURACHEM regulations.
• Sound knowledge of GC-MS/MS and LC-MS/MS instrumentation and method validation.
• Pesticide residue analysis using the QuEChERS extraction technique. 

Skills Required

• Well-developed interpersonal skills.
• Excellent oral and written communication skills.
• Sound technical record keeping techniques.
• Ability to work under pressure.
• Propensity to pay attention to detail.
• Computer literate- MS Outlook, Word & Excel.

• Job Identification606
• Job CategoryLaboratory
• Posting Date2026/09/22, 18:04
• Apply Before2026/09/30, 12:00
• Degree LevelNational Diploma or equivalent
• Job ScheduleFull time
• Locations 119 Gerhard Street, Centurion, 0157, ZA
• DepartmentLaboratory Services – 047

Click here to apply

We wish you all the best with your applications