Lab Technician

We have an opening for a Lab Technician at a water testing laboratory in Benoni, Gauteng. You will analyse water and wastewater samples for chemical and microbiological parameters, operate and maintain lab instruments, and prepare reports for clients and regulatory bodies. Knowledge of SANS water quality standards is beneficial.

Responsibilities

• Conduct microbiological testing including total plate counts, pathogen detection, and sterility testing following standardised methods.
• Investigate out-of-specification and out-of-trend results, performing root cause analysis and documenting findings thoroughly.
• Prepare reagents, standards, and culture media accurately according to standard operating procedures.
• Write and review standard operating procedures, analytical reports, and technical documentation for the laboratory.
• Monitor laboratory supplies and consumables, placing orders to ensure uninterrupted testing capability.
• Operate, calibrate, and maintain complex analytical instruments such as HPLC, GC-MS, ICP-OES, and spectrophotometers.

Requirements

• Proficiency in laboratory information management systems and Microsoft Excel for data analysis and reporting.
• Hands-on experience with analytical techniques and instruments relevant to the specific industry sector.
• A national diploma or bachelor's degree in chemistry, microbiology, food science, biomedical science, or a related scientific discipline.
• Strong attention to detail and accuracy in sample handling, testing, and documentation to ensure reliable results.
• A minimum of one to three years of experience working in an analytical or testing laboratory environment.
• Excellent written and verbal communication skills to document procedures and present findings clearly.
• The ability to work methodically and prioritise tasks in a high-volume laboratory environment while maintaining quality.

Qualifications