Process Engineer & Local OPEX

Job location:
Ranong, Thailand
Created moment:
April 24, 2023
Job reference:
REQ - 07172

The Company

The world’s leading supplier of mineral-based specialty solutions for industry with 14,000 employees, operations in more than 40 countries, and €4.3 billion in revenue in 2022.
Imerys delivers high-value-added, functional solutions to a great number of sectors, from processing industries to consumer goods. The Group draws on its understanding of applications, technological knowledge and expertise in material science to deliver solutions by beneficiating its mineral resources, synthetic minerals and formulations. Imerys’ solutions contribute essential properties to customers’ products and their performance, including heat resistance, hardness, conductivity, opacity, durability, purity, lightness, filtration, absorption and water repellency. Imerys is determined to develop responsibly, in particular by fostering the emergence of environmentally-friendly products and processes.
If you want to grow your skills and develop your career, find out more at

The Position

Process Engineer & Local OPEX

Job Summary

Job Summary
Responsible for process optimization, process design, data consolidation, and continuous improvement

Key Tasks & Responsibilities

  • Review process, product, and customer requirement to define projects and process to support
  • Be the site gatekeeper for new product development
  • Lead trials, process analysis, and process benchmarking for process optimization and continuous improvement
  • Manage turn-around, energy efficiency improvement, debottlenecking, and capacity expansion projects
  • Troubleshooting, provide assistance to resolve process issues and optimize equipment/ plant performanceใ
  • Ensure that the process and engineering control comply with EHS and Quality Standard
  • Coordinate with internal and external engineering groups / vendors / subject experts for process improvement
  • Develop and maintain routine mass balance, process flow, and P&ID
  • Review data collection and ensure good accuracy and precision
  • Consolidate CAPEX and Cost Saving
  • Review and Update maturity level of 5S, Dust Management, and Ritual of Management (Routine Meeting)


  • Bachelor Degree in Mining Engineer or Chemical Engineer
  • 5 years experiences in process engineer and improvement.
  • Fluent in both Thai and English
  • Six Sigma Background is a plus

Position Type

Full time



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To ensure fairness and legal compliance in our recruitment processes, only applications received through the online application process will be considered. 

IMERYS is an Affirmative Action and Equal Opportunity Employer and it is our policy to not discriminate against any employee or applicant for employment because of race, color, religion, sex, national origin, age, marital status, sexual orientation, gender identity, genetic information, disability, veteran status, or any other status protected by federal, state or local laws.