Job Position

R&D 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 Engineering, Science majoring in related fields such as Food Science, Food Technology, Food Engineering, Biotechnology, etc.
  • Experience in production, engineering, RD background of all packaging products (metal packaging and plastic packaging.)  with at least 5-10 years.
  • Experience of work about Eco-friendly packaging, sustainability packaging for 5-10 years.
  • Good command in English
  • Good in energetic Tenacious & determination skill


  • Monitor and control all aspects of new product development ,Improve product are followed. 
  • Product design ,Process design ,Tooling design ,Material selection and all concern parameters
  •  must be applied in development or improvement  process  from initial phase to implementation ,Production  and final phase  at customers
  •  To cooperate with customer, Parent Company, supplier and other departments
  • To control, support and follow up subordinates in works for the development.
  • To control product specification,material specification,Closure drawing and technical information 


  • 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