Czar Pajimna

To have a challenging position as a Chemist where I can put my knowledge and skills in Chemistry to practice and contribute to the productivity of the institution. Gain experience and learn new knowledge from the company.

Assistant Laboratory Supervisor (QC Laboratory) at Modern Ore Mining Co. (Moremine) (2025-10 – Present)

• Perform and supervise XRF testing of mineral samples in line with QC Standards.
• Analyze particle size distribution of Mill samples using Particle Size Analyzer.
• Prepare laboratory documentation and processes in accordance with ISO 17025:2017.
• Established and standardized laboratory procedures by writing SOP's compliant with ISO, ASTM, and AOAC methods, improving consistency and audit readiness.
• Handles analytical instrument like pH meter, Moisture Analyzer, Tap Density Volumeter, Automatic Color Tester, etc.

Quality Control Chemist at San Miguel Foods Inc. (2022-09 – 2023-02)

• Doing Proximate Analysis and Water Activity Analysis.
• Analyzing Calcium, Sodium, Potassium content and etc. using AAS
• Checking and Auditing the Manufacturing Division.
• Screening of Raw Materials and animal Finished feed product of B-MEG.
• Handling customers complaint.

Quality Assurance Supervisor (CHEMIST) at Sedres Chemicals Solutions Co. (2017-12 – 2021-12)

• Supervising Quality Assurance work.
• Overseeing whole production process and quality control testing.
• In-charge in maintaining ISO standard accreditation (ISO 17025, 14001 and 45001)
• Processing Purchase Order from the customers through SAP software.
• Mixing chemical solution as per customers specification. (pH Buffers, Conductivity Solutions, Volumetric Solutions, TOC Standards, Turbidity Standards, etc.)
• Handling Analytical Instrument analysis. (GC-FID, UV-VIS, TOC Analyzer, Auto-Titrator, and AAS)
• Doing Uncertainty Calculation for COA of each product analyzed.

Laboratory Technician/Assistant at Mapua University (2017-07 – 2017-10)

• Preparing Laboratory apparatus and chemicals use in laboratory classes.
• Overseeing Research students who use the Research Laboratory.
• Supervise students using analytical instrument (FTIR, GC-MS, TGA, DSC, MIC-D, SEM, AAS)

Laboratory Analyst at Precisione International Research & Diagnostic Laboratory Inc. (2016-10 – 2017-06)

• Doing Proximate Analysis, Water Activity, Moisture Content and Starch Content Analysis
• Water Analysis (BOD, COD, TDS, TSS, Turbidity, Oil and Grease, Nitrates and Sulfates)
• Operating Near Infrared Spectroscopy (NIRS), Polarimeter, pH meter, Salt Analyzer, etc.
• Analyzing Raw Materials for feeds and finished animal feed Products of Vitarich Corporation.

Laboratory Technician at Mapua University (2015-11 – 2016-07)

• Handling Students in their Laboratory Experiments.
• Preparing Laboratory apparatus and chemicals use in laboratory classes.
• Operating Analytical Instruments such as DSC, TGA, SEM, MIC-D, GC-MS, AAS, FTIR, and XRD.

Bachelor of Science in Chemistry – Nueva Ecija University of Science and Technology (2012-06 – 2015-04)

Bachelor of Science in Chemistry – Central Luzon State University (2011-06 – 2012-04)

Secondary Education – General Tinio National High School (2007-06 – 2011-04)

Elementary Education – General Tinio Central School (2001-06 – 2007-04)