Lab Supervisor at NEELKATH GROUP (2024-11 – Present)
- Quality oversight on all products.
- Provision of all lab standards and SOPs, XRF machine usage and maintenance.
- Coordinating with chemists in the lab, certification and dispatch coordination.
- Daily manpower availability for both day and night shifts confirmed with the shift schedule, discussing any changes with the manager and implementing them.
- Physical inspection of raw stones and arrangement of sample collection for analysis preparation and standardization of acid and reagents, cross-checking prepared solutions.
- Cross-checking product quality by rechecking samples (Quicklime, Hydrated lime, particle size and reactivity).
- Daily bag weight cross-checking by taking random bags of quicklime and hydrated lime.
- Preparing daily production report and hydrated lime report.
- Performing any other official duties as may be assigned by the Lab Manager.
- Performing chemical analysis of limestone and gypsum in accordance with ASTM C25-11 standard to ensure material quality and compliance with industry specifications.
- Performing Ash Content Analysis (%) according to ASTM D5630 to determine inorganic filler levels in polymer samples.
- Conducting Moisture Content Testing (%) following ASTM D6980 for accurate moisture quantification in plastic resins.
- Measuring Melt Flow Index (MFI, g/10 min) using ASTM D1238 to evaluate thermoplastic flow characteristics.
- Determination of Bulk Density (g/L) as per ASTM D1895 to assess material packing efficiency.
- Counting Number of Granules per Gram for particle consistency and quality control.
- Determination of Brightness and Whiteness using Datacolor Elrepho spectrophotometer to ensure optical quality standards.
- Particle Size Distribution with Mastersizer laser diffraction analyzer for size consistency and dispersion analysis.
Lab Analyst at BASE TITANIUM LTD (2019-11 – 2024-11)
- Ensuring adherence to standard operating procedures (SOPs) for all activities.
- Ensuring all data from analysis is correctly captured in the LIMS system.
- Monitoring consumable levels and reporting to the supervisor.
- Inspecting equipment before use.
- Analyzing samples using analytical instruments.
- Receiving and sorting samples numerically.
- Self-improving and encouraging others to do likewise.
- Making commitments and delivering.
- Performing routine maintenance on laboratory instruments to ensure optimal functionality and minimize downtime due to malfunctions.
- Contributing to a safe working environment by adhering to safety guidelines and promoting best practices among colleagues.
Lab Analyst at SGS KENYA LTD (2013-09 – 2019-11)
- Receiving and sorting samples numerically.
- Analysis of samples using XRF instrument.
- Pulverizing and crushing samples.
- Determining moisture and slimes content in samples.
- Determining HMC in samples by means of density separation.
- Determining particle size distribution.
- Performing sample preparation using pressed powder pellet and fusion technique.
- Verifying analytical instruments.
- Performing first-line maintenance on equipment as required.
- Calibrating and maintaining laboratory equipment, participating in troubleshooting, investigation, and problem-solving to ensure compliance with GMP, GLP, SOPs, ISO 17025.
- Maintaining housekeeping practices within the department to ensure that work areas and surrounding environments are clean at all times.
- Ensuring that clients' testing requirements are fully met and that set turnaround time (TAT) is complied with at all times.
- Complying with the QHSE policy of the company for safety procedures.
- Setting priorities for analytical jobs to bring them to completion in a timely manner.
Laboratory Analyst/RO Plant Operator at MOMBASA CEMENT LTD (2011-04 – 2013-09)
- Operating the reverse osmosis water plant to provide clean water for drinking.
- Conducting full chemical analysis of water.
- Determining the chemical elements in clinker and slag as per the quality control testing frequencies established by the quality control manager (e.g., daily and weekly tests).
- Conducting in-house water treatment and pH adjustment.
- Performing chemical analysis on all materials used for cement production such as clinker, gypsum, coal, and others if necessary.
- Ensuring all working materials, equipment, and solutions are available and in good order.
- Competent with modern laboratory instruments such as X-ray fluorescence and flame photometer.
- Preparing and standardizing laboratory solutions.
- Ensuring the standard of products as per the company's requirements.
- Maintaining up-to-date records of outstanding equipment defects.
Intern at COAST WATER SERVICES BOARD (2011-01 – 2011-04)
- Assisting in carrying out full chemical and biological tests in water.
- Gaining experience in community mobilization.
- Training stakeholders on hygiene and sanitation issues.
- Ensuring safe storage of laboratory supplies and chemical reagents, monitoring their utilization and replacement.
- Cleaning laboratory glassware and safe storage.
- Assisting in the preparation of chemicals, reagents, and media for water tests and analysis.
- Collecting water samples.
- Assisting in ensuring chlorination of water is carried out.
- Monitoring residue chlorine in water (FRC) to ensure the community is supplied with safe and clean water.
- Gaining ultimate knowledge of standards for drinking water quality and WHO standards.
