Supervisor of Chemical Analysis Department, July 2021 – Current● Finalize nitrite and nitrate analysis in infant formula using Dionex Integrion HPIC.  Performing sample preparation following the procedure for daily analysis.  Developing instrumental and processing methods on Chromeleon 7.3 instrumentalsoftware.  Performing basic troubleshooting and preventative maintenance. ● Finalize elemental analysis validation report including As, Pb, Sn, Na, Ca, Mg, P, and Zn, etc. for milk powder samples using Agilent 7850 ICP-MS.  Good understanding and troubleshooting experience knowing some common warningsigns shown on the Mass Hunter system.  Carrying out ICP-MS instrumental calibration examining instrumental sensitivity andLOD, LOQ calculation. ● Carry out Agilent 1260 Infinity HPLC to determine Vitamin A, E, K1, C, B1, B2, Lutein, Taurine, and Sugar Profile for milk powder samples and result finalized.  Conduct sample preparation following the AOAC method or FCC/FDA Method. ● Corporate with QA group to finalize the ISO 17025 accreditation: include methodverification/validation, documentation, and internal audit planning

Online QC Technician, November 2019 – July 2021 Collected the milk sample under DFO requirement and tested samples for protein, fat, freezing point and total solid content and record it.  Trouble shooting skills on FOSS Protein 8200 analyzer, Vacuum pump, laboratory cooler. Experience in XRD, XRP skilling for testing milk powder products, pasteurization products andother physical and chemical analysis.  Ensured that daily production was organized and under current GMP requirement which approved by CFIA guidelines.  Test and Monitor air sample and water sample for microbiology test.  Training new employee under current company requirements.