Job Position

Quality Assurance Manager

Who we are

Crown Seal Public Limited Company

Crown Seal Public Limited Company is a manufacturer and distributor of Crown Caps, Pilfer-Proof, Maxi-Series, Plastic and Composite caps used as bottling and container seals for products namely carbonated drinks, soy milk, beer, soda, drinking water, energy drinks, fruit juices, liquor, and medical supplies including handheld capping machine and Maxi cap sealing machines. Furthermore the company also earns the revenue from the printed sheet service.

We have been awarded ISO9001:2015, ISO14001:2004, GMP, HACCP, FSSC22000:2015 and OHSAS18001:2007/TIS18001:2554 certifications of excellence in management. We are requiring dynamic and highly skilled professionals to join our business in the following positions:



  • Bachelor’s degree or higher in Science majoring in related fields such as Food Science, Food Technology, Food Engineering, Biotechnology, etc.
  • 7-10 years of experience in related fields and 5 years of experience in management level (Experience in the food packaging industry is preferable)
  • Good command in English
  • Good in Influencing and negotiation skill


  • Control and monitor all aspects of quality assurance system 
  • Ensure the manufacturing process comply with standard at both national and international
  • Direct and coordinate the company’s quality program including the implementation of ISO9001 14001, GMP, HACCP
  • Comply quality control report ,statistical process control ,Manage non conformity material discrepancy report ,Recommend continue improvement quality

What we offer

  • Uniforms
  • Food Allowance
  • Transportation Services
  • Full Medical Care in Govt. Hospitals and Dental Treatment
  • Annual Check-up
  • Provident Fund: Max Contribution 10%
  • Long Service Award
  • Children’s Education Allowance
  • Cooperative with High Saving Interest Rates & Special Loan
  • Annual Performance Bonus

Interested candidates should apply in person or submit your application, together with resume of career to date, salary expectation and recent photograph to:

Crown Seal Public Limited Company

5 Soi Rangsit-Nakornnayok 46
Prachatipat, Tanyaburi, Pathumthani 12130
Tel: 02 533 0450-9 Ext. 578 Fax: 02 974 1118