Quality Control Engineer, Chemical Business

Date: 20 Nov 2025

Location: Rayong, Thailand

Company: The Siam Cement Public Company Limited

Domicile Company - BU: Rayong Olefins Co., Ltd. - SCGC 

Requisition ID: 23492 

Employment Type: Permanent 

Job Function: QA & QC Engineer 

Job Summary:

Responsibilities:

  • Conduct lab testing of feedstocks, intermediates, and product batches: purity, density, moisture, GC/MS, etc.
  • Coordinate process sampling and real-time testing during production to uphold product specifications.
  • Maintain lab equipment calibration and QA/QC documentation per ISO/SCGC standards.
  • Investigate abnormal quality events, lead root-cause analyses, and implement CAPAs.
  • Produce QC/microbiological/environmental reports; analyze trends and present to operations teams.
  • Conduct QC training for operators and technicians.
  • Participate in audit preparation (ISO 9001, ISO 14001, TIS 18001, ISO/IEC 17025) and supplier assessments.
  • Ensure environmental and safety compliance; monitor wastewater and emissions quality.

Qualifications:

  • B.Eng./B.Sc. in Chemical, Polymer, Materials, or related field.
  • ≥ 1 year of QC/lab experience in petrochemical or chemical manufacturing.
  • Proficient in lab instrumentation (GC, HPLC, titration, moisture analyzers).
  • Familiar with ISO-based quality systems; lab accreditation desired.
  • Fluent in English (TOEIC 550).
  • Strong analytical, communication, and teamwork skills.
  • Competent in MS Office and lab data systems.

 

Contact: Charinrat Chomchuen 

Email: CHARINRC@SCG.COM 

Tel:  

 


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