CHARLES SILVA
Oakland
Summary
Results-driven QC Laboratory Technician with expertise in HPLC and gas chromatography, honed at Symrise, Inc. Proven ability to ensure compliance with GMP standards while utilizing strong analytical thinking and interpersonal skills. Adept at executing corrective action planning and maintaining high-quality standards in laboratory environments. Bilingual proficiency enhances communication across diverse teams.
Overview
11
11
years of professional experience
Work History
QC Sensory Analyst/ Laboratory Technician (Contract)
Symrise, Inc.
Teterboro
03.2024 - 10.2025
- Processed entry of raw materials, finished products, blends, and alternates using SAP software.
- Conducted sensory analysis setup for testing color, aroma, and taste of materials.
- Organized meetings for sensory evaluation trials and first-time production through email correspondence.
- Maintained and organized retains and targets using a Kardex filing system.
- Assisted analytical lab with chemical analyses of raw chemicals and essential oils.
- Performed automatic titrations for acid tests and water content using Karl Fischer method.
- Executed various wet tests including refractive index, specific gravity, optical rotation, and turbidity.
- Utilized Buchi Spray Dry Machine to convert liquid slurry flavors into powdered products.
QC Laboratory Technician II/Scientist
Arizona Beverage/USBP
Keasbey
07.2021 - 03.2024
- Conducted analytical tests on Arizona Beverages to ensure compliance with SQF and GMP standards.
- Calibrated laboratory machines for chemical tests, including Acid/Base Titration and Brix measurements.
- Maintained Production Line (1-5) while monitoring all production aspects, including Shrink Wrap and Palletizer operations.
- Performed regular inspections and maintenance of RO Water Facility to ensure optimal performance.
- Executed microbiology testing on beverage samples using specialized agar gel plates for Fungus and Bacteria detection.
- Utilized PPE and sterile equipment in a controlled environment to uphold safety protocols.
- Conducted CIP Testing and ATP testing for microorganisms through effective swabbing techniques.
- Monitored date codes, chlorine levels, pH, PU Test, Can Pressure Test, and conductivity during production.
QC Laboratory Technician/Scientist
Camin Cargo Control, Inc.
Linden
10.2019 - 07.2021
- Processed entries of Petroleum Slates, Hand Blends, and Volumetric Composites using Polaris software.
- Conducted laboratory testing for Gas, Diesel Fuel, Biodiesel, Jet Fuel, and Heating Oil.
- Performed chemical analysis on Diesel, 6 Oil, Biodiesel, and Jet Fuel Slates, including Titrations for Acid Test, Flash Point, and Distillation.
- Verified paperwork accuracy, including Certificates of Authenticity (COA) for petroleum products.
- Analyzed chemical compounds using HPLC, GC/MS, and UV Fluorescence methods for various substances.
- Evaluated samples for Sulfur, Olefins, Aromatics, and Oxygenates in both neat and 10% Ethanol spiked conditions.
- Compiled comparative overlays of data from multiple retains to assess consistency.
- Executed comprehensive testing methodologies to ensure product quality and compliance.
QC Laboratory Technician/Scientist
LANXESS
East Hanover
05.2017 - 10.2019
- Processed entry of raw materials, blends, and finished products using SAP software.
- Calibrated laboratory machines for chemical tests including API/Gravity and T.A.N.
- Conducted chemical analyses on hundreds of lubricants, oils, greases, and hydraulic fluids.
- Performed titrations for acid tests, flash point, evaporation, FTIR, and viscosity.
- Verified paperwork, including Certificates of Authenticity (COA) for accuracy and compliance.
- Reviewed chemicals analysis sheets with data overlays for lot comparisons from vendors.
- Analyzed trace elements in chemicals using Inductively Coupled Plasma Optical Emission Spectrometry (ICP).
- Executed testing for pour point, emulsion stability, and HPLC to ensure quality.
QC Laboratory Technician (Contract)
Excellentia Inc
Fairfield
08.2016 - 05.2017
- Processed entry of raw materials, fragrances, blends, and preships using Processware and Polarlab software.
- Calibrated laboratory machines for chemical tests, including refractometer, hydrometer, and polarimeter.
- Conducted chemical analysis of hundreds of chemicals and essential oils, performing titrations and melting point tests.
- Verified paperwork, including COA (Certificate of Authenticity), for accuracy and compliance.
- Created chemical analysis sheets by overlaying QC spectrums and comparing lots from same vendor.
- Analyzed selected chemicals on mass spectrometer to detect impurities like BHT and phthalates.
- Performed odor analysis and Gardner color analysis for quality assessment of chemicals.
- Maintained documentation for chemical analysis to ensure traceability and accountability.
QC Laboratory Technician/Scientist (Contract)
Berjé Inc
Carteret
05.2014 - 06.2016
- Conducted physical tests on chemicals for Fragrance and Food industries.
- Assayed chemicals received as Fragrance, Blends, and Raw Materials in Quality Control Department.
- Performed Specific Gravity, Optical Rotation, and Refractive Index tests on samples.
- Utilized GC and GC/MS techniques to analyze BHT and Phthalates in chemicals.
- Executed Titrations for Acid Test, Melting Point, Odor analysis, and Color analysis.
- Verified all documentation including Certificate of Authenticity (COA) for accuracy.
Education
Associate of Science - Business Administration
Bergen Community College
Paramus12.2022
Bachelor of Arts - Biological Sciences
Rutgers, The State University of New Jersey
Newark05.2013
Skills
- Interpersonal skills
- HPLC and gas chromatography
- SAP software proficiency
- Analytical thinking
- Root-cause analysis
- Research and analysis
- Corrective action planning
- Communication skills
- Bilingual proficiency
- Microsoft Office suite
- Laboratory science expertise
- Mass spectrometry techniques
- Microbiological methods
- GMP compliance
Training
- Organic Chemistry I
- Organic Chemistry II
- General Chemistry I
- General Chemistry II
- Foundations of Biology
- Physics I
- Physics II
- Molecular Cell Biology
- General Microbiology
Laboratory Skills
Mass Spectrometer, Gas Chromatography, Microscope, Refractometer, Neogene Filter, Filtration Flask, Filtration manifold, Incubation Oven, ATP Handheld Apparatus, Acid/Base Titration, Analytical Balance, IR Spectrometer, Melting Point, Flash Point, Buchi Spray Dry Apparatus, Chemical Analysis, GC/MS Analysis, Wet Tests, Titration, Melting Point, Odor Tests, Color Tests, Peroxide Tests, Aldehyde Tests, Gas Chromatogram Analysis, IR Spectra Analysis (ID Test), Neogene Microbiology Filter Assay Procedure, ATP Monitoring System, Flavor Compounding, Spray Dry Apparatus
Timeline
QC Sensory Analyst/ Laboratory Technician (Contract)
Symrise, Inc.
03.2024 - 10.2025
QC Laboratory Technician II/Scientist
Arizona Beverage/USBP
07.2021 - 03.2024
QC Laboratory Technician/Scientist
Camin Cargo Control, Inc.
10.2019 - 07.2021
QC Laboratory Technician/Scientist
LANXESS
05.2017 - 10.2019
QC Laboratory Technician (Contract)
Excellentia Inc
08.2016 - 05.2017
QC Laboratory Technician/Scientist (Contract)
Berjé Inc
05.2014 - 06.2016
Associate of Science - Business Administration
Bergen Community College
Bachelor of Arts - Biological Sciences
Rutgers, The State University of New Jersey