Process Optimization Jobs in Rayong - Sep 2026

Listed nineteen days ago

Process Engineer

This is a Full time job

Rayong

฿28,000 – ฿40,000 per month

High-impact technical role in process optimization, safety, and environment
Full health coverage: OPD 40K THB/yr for employee & family, plus IPD
Great entry point for engineers with just 1 year of experience needed

UBE Group Thailand, part of Japan's UBE Corp, manufactures specialty chemicals & Nylon 6, offering job stability, growth & ESG focus.

subClassification: Chemical EngineeringChemical Engineering classification: Engineering(Engineering)

19d ago

Listed seven hours ago

Process Engineering Team Lead

at Continental Tyres (Thailand) Co., Ltd.

This is a Full time job

Rayong

Experience in Tire manufacturing
Small team group management
Project Management experience

Leading the Process Engineering team to improve process performance and efficiency in tire manufacturing.

subClassification: Process EngineeringProcess Engineering classification: Engineering(Engineering)

7h ago

Listed eight days ago

Advance Specialist, Logistics Planning

at BMW Parts Manufacturing (Thailand) Co., Ltd.

This is a Full time job

Rayong

Lead Logistics Technology & Plant Innovation
Global Collaboration
Strategic Impact on Factory Development

Lead logistics planning, technology integration, and process optimization initiatives to ensure efficient, innovative, and future-ready manufacturing.

subClassification: Production, Planning & SchedulingProduction, Planning & Scheduling classification: Manufacturing, Transport & Logistics(Manufacturing, Transport & Logistics)

8d ago

Listed two days ago

Manufacturing Engineer

at BASF Chemcat (Thailand) Ltd.

This is a Full time job

Pluak Daeng, Rayong

Manufacturing Engineer responsible for end-to-end execution and supervision of manufacturing processes.

subClassification: Process EngineeringProcess Engineering classification: Engineering(Engineering)

2d ago

Listed twenty six days ago

Process Engineer (Cold Preparation)

at Continental Tyres (Thailand) Co., Ltd.

This is a Full time job

Pluak Daeng, Rayong

Work location is in Rayong
Knowledge in Tire Manufacturing will be advantaged
Knowledge in problem solving and statistical process control

Process Engineer (Cold Preparation) at Continental, responsible for process specifications and improvements.

subClassification: Process EngineeringProcess Engineering classification: Engineering(Engineering)

26d ago•Expiring

Listed six days ago

Process Improvement & Data Automation [Rayong]

at PASONA RECRUITMENT (THAILAND) CO., LTD.

This is a Full time job

Rayong

฿30,000 – ฿45,000 per month

Mon. - Fri. (09:00am - 18:00pm)
Fast process!
Good benefits & bonus!

Support process improvement, data analysis, and automation initiatives across operational data and reporting tools.

subClassification: Business/Systems AnalystsBusiness/Systems Analysts classification: Information & Communication Technology(Information & Communication Technology)

6d ago

Listed fourteen days ago

Pre-Production Preparation Analyst (Bill of material and Database Control)

at AutoAlliance (Thailand) Co., Ltd.

This is a Full time job

Pluak Daeng, Rayong

Coordinate ECNs with internal cross-functional teams and external suppliers.
Maintain BOM accuracy, updating part structures and critical information.
Master Data Management: Manage part source code setup and status changes.

Pre-Production Preparation Analyst for bill of material and database control.

subClassification: Analysis & ReportingAnalysis & Reporting classification: Manufacturing, Transport & Logistics(Manufacturing, Transport & Logistics)

14d ago

Listed fourteen days ago

PROCESS & INDUSTRIAL ENGINEER

at Supreme Group

This is a Full time job

Pluak Daeng, Rayong

Optimise manufacturing processes and drive operational excellence with competitive benefits and career growth opportunities.

subClassification: Process EngineeringProcess Engineering classification: Engineering(Engineering)

14d ago

Listed eight days ago

Advance Specialist, Surface treatment

at BMW Parts Manufacturing (Thailand) Co., Ltd.

This is a Full time job

Rayong

Surface Treatment Technology Expert
Lead Quality & Problem-Solving Initiatives
Shape Future Manufacturing Performance

Lead surface treatment quality, process optimization, and launch activities to ensure robust coating performance, manufacturing excellence.

subClassification: Chemical EngineeringChemical Engineering classification: Engineering(Engineering)

8d ago

Listed fourteen days ago

Senior Process Engineer

at BYD AUTO (THAILAND) CO., LTD. - VEHICLE MANUFACTURING DIVISION

This is a Full time job

Nikhom Phatthana, Rayong

Lead new model and vehicle assembly process development.
Drive process improvement and manufacturing excellence.
Grow with a global leader in electric vehicles.

Lead vehicle assembly process development, new model introduction, and continuous improvement to ensure quality, efficiency, and production readiness.

subClassification: Process EngineeringProcess Engineering classification: Engineering(Engineering)

14d ago

Listed seven days ago

Operation Engineer / วิศวกรผลิต

at Bangkok Synthetics Co., Ltd.

This is a Full time job

Mueang Rayong, Rayong

Housing Allowance and Other Allowances totaling 30% of the base salary
Flexible Benefits: 12,000 THB per year
Provident Fund

Troubleshoot real-time process issues, optimize plant operations, and collaborate across functions to ensure safe, reliable, and on-target production.

subClassification: Chemical EngineeringChemical Engineering classification: Engineering(Engineering)

7d ago

Listed two days ago

IE Engineer

at BYD AUTO (THAILAND) CO., LTD. - VEHICLE MANUFACTURING DIVISION

This is a Full time job

Nikhom Phatthana, Rayong

Drive Lean transformation in a global EV manufacturer.
Lead productivity and continuous improvement initiatives.
Career growth in a world-class manufacturing environment.

Improve manufacturing efficiency through Lean initiatives, productivity improvement, and industrial engineering excellence.

subClassification: Industrial EngineeringIndustrial Engineering classification: Engineering(Engineering)

2d ago

Listed twenty three days ago

Process Engineer (Contract)

at GC Maintenance and Engineering Company Limited

This is a Full time job

Rayong

Optimize production processes, troubleshoot issues, and improve efficiency, safety, and reliability.

subClassification: Process EngineeringProcess Engineering classification: Engineering(Engineering)

23d ago•Expiring

Listed twenty one days ago

Production Manager - Medical Devices

at PRTR Group Public Company Limited

This is a Full time job

Rayong

150-200k THB

Lean Manufacturing (Hands On)
Ownership of Production (Parameters, Etc.)
Good Command of English

PRTR

subClassification: ManagementManagement classification: Manufacturing, Transport & Logistics(Manufacturing, Transport & Logistics)

21d ago

Listed eight days ago

Advance Specialist, Chemistry/Coating

at BMW Parts Manufacturing (Thailand) Co., Ltd.

This is a Full time job

Rayong

Analytical Chemistry
Coating & Materials Analysis
Laboratory Quality Management

A laboratory specialist responsible for advanced chemical and coating analysis, problem-solving investigations, laboratory quality management.

subClassification: Laboratory & Technical ServicesLaboratory & Technical Services classification: Science & Technology(Science & Technology)

8d ago

Listed seven days ago

Process Engineer

at MERRY ELECTRONICS (THAILAND) CO., LTD.

This is a Full time job

Rayong

•Mon–Sat (Every other Saturday off) • Annual Leave 6–11 days • Uniform • Meal, Transportation & Accommodation Allowance

subClassification: Process EngineeringProcess Engineering classification: Engineering(Engineering)

7d ago

Listed twenty one days ago

Process and Equipment Engineer

at ARC AUTOMOTIVE (THAILAND) CO., LTD.

This is a Full time job

Rayong

Process and equipment engineer role managing production line optimization and quality improvement.

subClassification: Process EngineeringProcess Engineering classification: Engineering(Engineering)

21d ago

Listed fourteen days ago

Welding Process Engineer

at BYD AUTO (THAILAND) CO., LTD. - VEHICLE MANUFACTURING DIVISION

This is a Full time job

Nikhom Phatthana, Rayong

Develop advanced welding processes for next-generation EVs.
Work with cutting-edge automotive manufacturing technologies.
Grow your engineering career with BYD Thailand.

Develop and improve vehicle welding processes, support new model trials, and ensure stable, efficient production.

subClassification: Mechanical EngineeringMechanical Engineering classification: Engineering(Engineering)

14d ago

Listed twenty five days ago

Lean Transformation Expert

at Great Wall Motor Manufacturing (Thailand) Co., Ltd.

This is a Full time job

Pluak Daeng, Rayong

Strategic Impact & Executive Exposure
Global Automotive & Transformation Platform
Build & Lead the Lean Transformation Journey

Lead Lean transformation and cost reduction initiatives at Great Wall Motor's Thailand manufacturing plant.

subClassification: Management & Change ConsultingManagement & Change Consulting classification: Consulting & Strategy(Consulting & Strategy)

25d ago•Expiring

Listed two days ago

Paint Production Manager

at BYD AUTO (THAILAND) CO., LTD. - VEHICLE MANUFACTURING DIVISION

This is a Full time job

Nikhom Phatthana, Rayong

Lead paint operations in a global EV manufacturing environment.
Drive quality, process excellence, and continuous improvement.
Career growth with a leading global automotive manufacturer.

Develop and optimize automotive paint processes with 5+ years coating experience.

subClassification: Mechanical EngineeringMechanical Engineering classification: Engineering(Engineering)

2d ago

Listed twenty seven days ago

Welding Process Engineer

at Changan Auto Southeast Asia Co., Ltd.

This is a Full time job

Rayong

Advanced Welding Technology
Electric vehicle battery
Working hour 08:30-17:30 (Mon. - Fri.)

Lead welding process development, optimize production lines, support new model launches, and improve quality and manufacturing efficiency.

subClassification: Process EngineeringProcess Engineering classification: Engineering(Engineering)

27d ago•Expiring

Listed eight days ago

Industrial Engineer

at MERRY ELECTRONICS (THAILAND) CO., LTD.

This is a Full time job

Rayong

Optimise manufacturing operations. Drive continuous improvement. Competitive salary & career growth in Rayong.

subClassification: Industrial EngineeringIndustrial Engineering classification: Engineering(Engineering)

8d ago

Listed twenty five days ago

Quality Excellence Expert

at Great Wall Motor Manufacturing (Thailand) Co., Ltd.

This is a Full time job

Pluak Daeng, Rayong

OEM automotive manufacturing background
Preventive & Data-Driven Transformation
Zero-Defect Culture & Continuous Improvement

Lead world-class quality management system and drive digital quality transformation at GWM Thailand Manufacturing Plant.

subClassification: Quality Assurance & ControlQuality Assurance & Control classification: Manufacturing, Transport & Logistics(Manufacturing, Transport & Logistics)

25d ago•Expiring

Listed six days ago

Logistics and Packaging Engineer (Automotive)

at Changan Auto Southeast Asia Co., Ltd.

This is a Full time job

Rayong

Packaging Design & Standardization
Material Flow, Line Feeding & Sequencing
Working hour 08:30-17:30 (5 working days)

Manage material flow, packaging design, line feeding, sequencing, and continuous improvement across warehouse and production operations.

subClassification: Warehousing, Storage & DistributionWarehousing, Storage & Distribution classification: Manufacturing, Transport & Logistics(Manufacturing, Transport & Logistics)

6d ago

Listed thirteen days ago

Assistant Manager/Manager, Supplier Quality Engineer (Fine Blanking Expert)

at ADIENT & SUMMIT CORPORATION LTD.

This is a Full time job

Rayong(Hybrid)

This role ideal for a quality leader with deep expertise in Fine Blanking technology who can drive supplier excellence, support new product launches.

subClassification: Quality Assurance & ControlQuality Assurance & Control classification: Manufacturing, Transport & Logistics(Manufacturing, Transport & Logistics)

13d ago

Listed twenty days ago

Production Manager

at Vantive Manufacturing (Thailand) Co., Ltd.

This is a Full time job

Pluak Daeng, Rayong

Join a Global Healthcare Leader in Life-Sustaining Healthcare, Kidney Care
Lead Quality for a Global Healthcare Manufacturing Leader
Strong Career Growth with Competitive Benefits & Welfares

Manage manufacturing operations across all shifts, ensuring efficient, compliant, high-quality production.

subClassification: Production, Planning & SchedulingProduction, Planning & Scheduling classification: Manufacturing, Transport & Logistics(Manufacturing, Transport & Logistics)

20d ago

Listed fifteen days ago