About

I am skilled, self-motivated, results oriented, multi-talented young Industrial Chemist. I have more than five years’ experience in the field as I have worked as a quality controller (intern) at Mombasa Cement Limited for three months, two years as school laboratory technician, two years as a water treatment/ wastewater treatment plant operator/technician/quality controller at that Coastal Bottlers Limited and quality team leader for wastewater and water treatment plant department at Coastal bottlers Limited from 2nd June 2021 to date. My range of experience entails analytical process control and management. Additionally, I possess operational skills like back washing of both sand filter and carbon filter, checking of reverse osmosis efficiency and planning executing reverse osmosis CIP, calibration and maintenance of laboratory equipment’s. I am currently looking for an employment opportunity in any relevant organization that fosters personal growth while contributing to the organizational objectives.

Skills

  • Manufacturing
  • QA

Recommendations

alex kuyol

 11/7/2025
Provided a score of  
10
  for Stephen Sitienei

Isaac Ronoh

 8/21/2024
10

"I highly recommend Stephen Kiplagat."

2 recommendations in total
See all recommendations

Experience

Stephen Sitienei

Work experience
  • Duties and Responsibilities.
  • Daily
  • Daily review of records
  • Ensuring Water treatment processes and the respective products follow:
  •  KS EAS 153_2014 Packaged Drinking water- specifications,
  •  KS 459_9_1996 Specifications for drinking water,
  •  BP-RQ-180 Treated water for product manufacturing and
  •  BP-SP-184 Annual treated and Packaged Treated Water monitoring.
  • Ensuring Wastewater treatment processes and the respective products comply ES-RQ-225 Wastewater Quality and The EMCA Act (Water Quality) Regulations [2006].
  • Daily walk about/ Environmental compliance audits.
  • Conduct Water treatment chemicals and wastewater Auxiliary materials/ processing aids compliance inspection.
  • Monitoring of Laboratory chemicals inventory tracker.
  • Compiling and communicating daily Quality highlights.
  • Raising Purchase Request of the Laboratory consumables.
  • Shift schedule planning and management.
  • Management of record keeping.
  • Weekly
  • Laboratory equipment’s calibration.
  • House-keeping arrangements.
  • Ensuring compliance to waste management requirements Monitoring the level and availability of standard solutions.
  • Monthly
  • GMP plant audit together with the EOSH Coordinator.
  • Annual leave scheduling.
  • Documents review/records keeping
  • Traceability Exercise.
  • Quarterly
  • Ensuring Treated effluent statutory sampling is done.
  • Ensuring the dry beds are well managed.
  • Any other responsibility assigned by the Management.
  • Achievements.
  • Participated in Source Water Vulnerability Assessment and help the company acquire the report and the Certificate.
  • Ensure the Treated Effluent Statutory sampling was done in time and the result complies with TCC requirements.
  • Conduct Internal Audits on QMS and EMS identifying the non-conformity, providing their corrective action and following up to ensure it has been done.
  • Participated in Statutory Audits on both EMS and QMS, help the company acquire the certificates.
  • Track down water use and help the Company achieve the water use ratio target.

Stephen Sitienei

Work experience
  • 1. Analysis of water samples for various parameters and maintaining the treatment process to ensure it produces water that meets Coca-Cola requirements.
  • 2. Analysis of wastewater effluent to confirm its conformity to legal requirements before discharging it to the environment.
  • 3. Weekly calibration of laboratory equipment.
  • 4. Monitoring water level in the tanks and chemical level at the dosing point along the treatment process.
  • 5. Taking meter readings of the various meters along the water lines and documenting it in meter record book as well as putting the same in QMS meter excel sheet.
  • 6. Monitoring the RO feed pressure and its efficiency so as to plan for CIP schedules.
  • 7. Backwashing of sand filters and carbon filters as per the KORE (Coca-Cola Requirements).
  • 8. Doing CIP of the RO and the tanks as required.
  • 9. Documentation of the daily analysis result of the process and recording all occurrences of the day in the daily report book.
  • 10. Continuous monitoring of the water and wastewater treatment process and noticing any deviation or non-conformity.
  • 11. Results interpretation of wastewater effluent analysis and advising wastewater attendant on the performance of the water treatment plant so as to take any necessary actions for deviations on the plant performance.
  • 12. Work hand in hand with the wastewater attendants in monitoring the plant and take corrective action in case of any problems.
  • And any other duties assigned by the supervisor.
  • ACHIEVEMENTS.
  • 1. Cut down the cost of generating soft water by reducing the number of bags of Industrial Salt that were used to regenerate the softeners by 2 bags daily in a month I saved 60 bags.
  • 2. Track down water supply and I proposed installation of more water meters to aid in tracking down volume of water used in different section thus easy to manage.
  • 3. Conducted Reverse Osmosis 4 times and the CIP was effective.
  • 4. Arrested water leakages.
  • 5. Developed excel and flow charts that is used to track down water supply and use in the company.

Stephen Sitienei

Work experience
  • October, 2017 - November, 2018
  • Fulltime
  • Duties and Responsibilities
  • 1. Solutions preparation and standardizations to carry out both qualitative and quantitative analysis.
  • 2. Laboratory maintenance and procuring laboratory apparatus and equipment.
  • 3. Guiding the students while carrying out the practical’s lesson.
  • 4. Ensuring the students have adhere to laboratory safety rules.

Stephen Sitienei

Work experience
  • Duties and Responsibilities;
  • 1. Process control and monitoring production of clinker and cement.
  • 2. Raw material quarrying and raw meal weighing and preparation for analysis.
  • 3. Quality analysis of the raw materials, cement, raw meal and clinker.
  • 4. Raw meal preparation and analysis.
  • 5. Pyro processing and kiln reaction monitoring.
  • 6. Water treatment process control.
  • 7. Laboratory equipment calibration and maintenance.
  • 8. Supervision of laboratory maintenance and practices.

Related persons

alex kuyol

 11/7/2025
Provided a score of  
10
  for Stephen Sitienei

Isaac Ronoh

 8/21/2024
10

"I highly recommend Stephen Kiplagat."

2 recommendations in total
See all recommendations