TEBOGO MALEKA
Quality Control Laboratory Analyst
Johannesburg
Summary
Passionate and results-driven Laboratory Analyst with an Advanced Diploma in Analytical Chemistry and over 8 years of laboratory experience. Skilled in quality control, laboratory techniques, equipment calibration, and analytical testing across pharmaceutical and manufacturing industries. Adept at continuous improvement, process optimisation, and maintaining strict compliance with GMP, GLP, ISO 9001, and ISO 17025 standards. Seeking to leverage my expertise and passion for scientific excellence to contribute to a forward-thinking organization.
Overview
8
8
years of professional experience
Work History
Laboratory Analyst
Hersol Manufacturing Laboratories (Pty) Ltd
12.2022 - Current
- Perform raw material testing based on COA specifications using USP and BP standards.
- Operate and calibrate instruments: HPLC, GC, FTIR, UV-Vis, Karl Fischer, AAS.
- Conduct water testing (BP Purified Water standards).
- Prepare and standardize volumetric solutions.
- Update analytical reports as per current pharmacopeia specifications.
- Participate in internal SOP training and serve as a Fire Marshall.
- Manage glassware inventory and dangerous chemical handling (e.g., Sulfuric Acid).
Laboratory Analyst
Sensient Technologies SA
04.2022 - 11.2022
- Conducted raw material and finished product analysis.
- Performed water testing, microbiological analysis, and stability testing.
- Ensured GMP and hygiene standards compliance.
- Participated in audits and maintained LIMS data integrity.
- Gained knowledge of FSSC 22000, ISO 9001, and ISO 17025 systems.
Laboratory Analyst
Pharmachem Laboratory (Pty) Ltd
02.2021 - 03.2022
- Analyzed pharmaceutical samples; performed in-process testing (hardness, friability, disintegration).
- Operated analytical equipment and conducted stability testing.
- Investigated rejected samples and documented findings.
- Conducted water sampling and micro-testing.
- Managed chemical stock and disposed of expired reagents.
Laboratory Intern
Sensient Technologies SA
01.2018 - 02.2020
- Supported sample preparation, product validation, and laboratory investigations.
- Conducted stability tests, microbial analysis, and water testing.
- Prepared COAs and MSDS for client lab samples.
- Ensured adherence to safety, GMP, and quality protocols.
Education
Advanced diploma - Analytical chemistry
Vaal University of Technology
01.2020
National Diploma - Analytical chemistry
Vaal University of Technology
01.2018
Skills
Analytical Testing & Laboratory Techniques (HPLC, UV-Vis, FTIR, GC, AAS, Karl Fischer)
Quality Control & Assurance (ISO 9001, ISO 17025, FSSC 22000, GMP, GLP)
Water Treatment Analysis (pH, Conductivity, Micro Testing, water hardness’s , heavy metals, TOC)
Spectroscopic Analysis
Equipment Calibration & Validation
Scientific Reporting & Documentation
Good Laboratory Practice (GLP) & Good Manufacturing Practice (GMP)
Strong Problem-Solving and Analytical Thinking
MS Office Suite (Word, Excel, Outlook)
Fire marshal and evacuation marshal
References
Available upon request.
Timeline
Laboratory Analyst
Hersol Manufacturing Laboratories (Pty) Ltd
12.2022 - Current
Laboratory Analyst
Sensient Technologies SA
04.2022 - 11.2022
Laboratory Analyst
Pharmachem Laboratory (Pty) Ltd
02.2021 - 03.2022
Laboratory Intern
Sensient Technologies SA
01.2018 - 02.2020
Advanced diploma - Analytical chemistry
Vaal University of Technology
National Diploma - Analytical chemistry
Vaal University of Technology