Efficiency Engineer Jobs in Rayong - Jun 2026

Listed twenty hours ago

Performance Engineer (Power Plant Business - Rayong based)

at Gulf Development Public Company Limited

This is a Full time job

Rayong

Strong Reputation in the Energy Industry.
High Growth Opportunities in the Energy Sector.
Comprehensive Benefits and Skill Development.

Strong Reputation in the Energy Industry.
High Growth Opportunities in the Energy Sector.
Comprehensive Benefits and Skill Development.

Responsible for monitoring and optimizing performance, efficiency, and heat rate of a combined cycle power plant.

subClassification: Electrical/Electronic EngineeringElectrical/Electronic Engineering

classification: Engineering(Engineering)

20h ago

Listed twenty three days ago

Plant Engineer

at NS-OG Energy Solutions (Thailand) Ltd.

This is a Full time job

Ban Chang, Rayong

Growth and career development
Advancement Opportunities
Successful long-term with us

Growth and career development
Advancement Opportunities
Successful long-term with us

Join a growing organization that values employee development and provides career advancement opportunities.

subClassification: Mechanical EngineeringMechanical Engineering

classification: Engineering(Engineering)

23d ago

Listed eighteen days ago

Process Engineer

at Mackay Rubber (Thailand) Co., Ltd.

This is a Full time job

Pluak Daeng, Rayong

Support and improve production processes for automotive hose and sponge rubber seal products, focusing on quality,productivity,and process efficiency.

subClassification: Process EngineeringProcess Engineering

classification: Engineering(Engineering)

18d ago

Listed twenty eight days ago

Continuous Improvement Engineer

at Jelly Belly Candy Company (Thailand) Ltd.

This is a Full time job

Pluak Daeng, Rayong

The Continuous Improvement Engineer supports CI activities to achieve Plant KPI which includes efficiencies, cost saving, safety, quality & training.

subClassification: Industrial EngineeringIndustrial Engineering

classification: Engineering(Engineering)

28d ago•Expiring

Listed eighteen days ago

Mechanical Maintenance Engineer, Chemicals Business (Rayong Based)

at The Siam Cement Public Company Limited (SCG)

This is a Full time job

Rayong

Lead mechanical maintenance to ensure equipment reliability, safety, and cost efficiency.

subClassification: MaintenanceMaintenance

classification: Engineering(Engineering)

18d ago

Listed twenty hours ago

Data Center Facilities Engineer (Junior Monitoring system) - True IDC

at บริษัท แอสเซนด์ กรุ๊ป จำกัด

This is a Full time job

Rayong

Data Center Facilities Engineer, Monitoring Engineer, PM/CM Engineer

subClassification: Systems EngineeringSystems Engineering

classification: Engineering(Engineering)

20h ago

Listed fourteen days ago

Process Engineer/วิศวกรกระบวนการผลิต

at Taniobis Co., Ltd.

This is a Full time job

Rayong

Process Engineer Key position objective Providing technical expertise on process optimization to improve quality, reliability, profitability...

subClassification: Chemical EngineeringChemical Engineering

classification: Engineering(Engineering)

14d ago

Listed twenty two days ago

Manufacturing Engineer

at PUREM AAPICO COMPANY LIMITED

This is a Full time job

Rayong

Exhaust Technology Plant
Competitive Compensation & Benefits
Collaborative & Professional Culture

Exhaust Technology Plant
Competitive Compensation & Benefits
Collaborative & Professional Culture

We seek a proactive ME to support launches, optimize production, and drive continuous improvement.

subClassification: Process EngineeringProcess Engineering

classification: Engineering(Engineering)

22d ago

Listed eight days ago

Continuous Improvement (CI) Engineer (Tier 1 Automotive)

at PERSOL Thailand

This is a Full time job

Rayong

Bachelor’s Degree in Engineering
Good command in English
Working Day: Mon - Fri and Good Benefits

Bachelor’s Degree in Engineering
Good command in English
Working Day: Mon - Fri and Good Benefits

This role leads a cross-functional team to implement continuous improvement activities.

subClassification: Mechanical EngineeringMechanical Engineering

classification: Engineering(Engineering)

8d ago

Listed four days ago

Painting Process Engineer

at EssilorLuxottica (Thailand) Ltd.

This is a Full time job

Pluak Daeng, Rayong

Minimum 5 years of experience in painting process in manufacturing company
Solid knowledge of painting technologies for both plastic and metal materials
Experience with color control, adhesion testing, and paint durability evaluation

Minimum 5 years of experience in painting process in manufacturing company
Solid knowledge of painting technologies for both plastic and metal materials
Experience with color control, adhesion testing, and paint durability evaluation

Painting Engineer focuses in supporting painting processes and driving KPI achievement for plastic injection and metal painting operations.

subClassification: Mechanical EngineeringMechanical Engineering

classification: Engineering(Engineering)

4d ago

Listed nineteen days ago

Head of Technical Site Management

at Covestro (Thailand) Co., Ltd.

This is a Full time job

Mueang Rayong, Rayong

International experience is strongly beneficial.
Profound knowledge of asset reliability principles, engineering standards
Strong understanding of maintenance and operations processes and digital

International experience is strongly beneficial.
Profound knowledge of asset reliability principles, engineering standards
Strong understanding of maintenance and operations processes and digital

Are you curious, courageous and colorful as we are? If so, we can offer you exciting career opportunities.

subClassification: Mechanical EngineeringMechanical Engineering

classification: Engineering(Engineering)

19d ago

Listed three days ago

Process Engineer

at PRTR Group Public Company Limited

This is a Full time job

Rayong

40-55k THB

Verify and Optimize Manufacturing Processes to Support Production Targets
Manufacturing Processes, Blanking, Punching, Induction Hardening, Grinding
Coordinate the Design Process of Advanced Development Product Concepts

Verify and Optimize Manufacturing Processes to Support Production Targets
Manufacturing Processes, Blanking, Punching, Induction Hardening, Grinding
Coordinate the Design Process of Advanced Development Product Concepts

PRTR

subClassification: Process EngineeringProcess Engineering

classification: Engineering(Engineering)

3d ago

Listed fifteen days ago

็Head of Engineering, Utilities & Projects

at TALENTVIS RECRUITMENT (THAILAND) CO., LTD.

This is a Full time job

Rayong

฿150,000 – ฿180,000 per month

Mon-Fri working
New plant
FMCG business

Mon-Fri working
New plant
FMCG business

Prefer candidate who are strong of maintenance facility and utility system.

subClassification: ManagementManagement

classification: Engineering(Engineering)

15d ago

Listed twenty two days ago

Senior Process Engineer (Electronics manufacturing) / 70-100K

at Q HUNTER RECRUITMENT CO., LTD.

This is a Full time job

Mueang Rayong, Rayong

฿70,000 – ฿100,000 per month

Work on advanced Optical Communication & Electronics Manufacturing products
Drive NPI, Yield Improvement, and Manufacturing Excellence

Work on advanced Optical Communication & Electronics Manufacturing products
Drive NPI, Yield Improvement, and Manufacturing Excellence

Lead process improvement, NPI, and yield enhancement in a fast-paced electronics manufacturing environment.

subClassification: Process EngineeringProcess Engineering

classification: Engineering(Engineering)

22d ago

Listed nine days ago

Application Engineer – Pumps

at ITT Fluid Technology International (Thailand) Co., Ltd.

This is a Full time job

Mueang Rayong, Rayong

The Application Engineer – Pumps is responsible for technical pump selection, proposal support, and project execution

subClassification: Mechanical EngineeringMechanical Engineering

classification: Engineering(Engineering)

9d ago

Listed two days ago

Production Engineer

at MERRY ELECTRONICS (THAILAND) CO., LTD.

This is a Full time job

Rayong

Optimise production processes and drive operational excellence in electronics manufacturing with competitive benefits.

subClassification: Process EngineeringProcess Engineering

classification: Engineering(Engineering)

2d ago

Listed twenty two days ago

Process Engineer

at Tianyi Medical (Thailand) Co.,Ltd.

This is a Full time job

Rayong

฿40,000 – ฿60,000 per month

The Process Engineer is responsible for injection molding process validation, optimization, and troubleshooting.

subClassification: Process EngineeringProcess Engineering

classification: Engineering(Engineering)

22d ago

Listed seventeen days ago

Painting Process Engineer

at Changan Auto Southeast Asia Co., Ltd.

This is a Full time job

Rayong

Painting process
Automotive industry
Working hour 08:30-17:30 (Mon. - Fri.)

Painting process
Automotive industry
Working hour 08:30-17:30 (Mon. - Fri.)

Optimize and maintain the efficiency and quality of our painting production lines.

subClassification: Mechanical EngineeringMechanical Engineering

classification: Engineering(Engineering)

17d ago

Listed twenty one days ago

Process Manager-Physical logistics

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

This is a Full time job

Mueang Rayong, Rayong

Supervise and actively support physical material handling activities on the shopfloor

subClassification: Assembly & Process WorkAssembly & Process Work

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

21d ago

Listed three days ago

Mechatronics Engineer

at INTERNATIONAL N&H (THAILAND) CO., LTD.

This is a Full time job

Pluak Daeng, Rayong

IFF is a global leader in flavors, food ingredients and health & biosciences. We deliver sustainable innovations that elevate everyday products.

subClassification: Mechanical EngineeringMechanical Engineering

classification: Engineering(Engineering)

3d ago

Listed nine days ago

Service Engineer

at John Crane

This is a Full time job

Rayong

-

subClassification: Mechanical EngineeringMechanical Engineering

classification: Engineering(Engineering)

9d ago

Listed three 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)

3d ago

Listed four days ago

Maintenance engineer

at VOSS TECHNOLOGIES (THAILAND) CO., LTD.

This is a Full time job

Pluak Daeng, Rayong

฿55,000 – ฿75,000 per month

Based in Thailand, this role manages factory equipment and utilities, covering technical review, maintenance, TPM and local safety compliance.

subClassification: MaintenanceMaintenance

classification: Engineering(Engineering)

4d ago

Listed twenty three hours ago

Environment Engineer

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

This is a Full time job

Rayong

Automotive industry
Good Compensation & Benefits
Working 5 days a week

Automotive industry
Good Compensation & Benefits
Working 5 days a week

Manage environmental activities, legal compliance, ISO systems, pollution control, and government reporting to support sustainable factory operations.

subClassification: Environmental EngineeringEnvironmental Engineering

classification: Engineering(Engineering)

23h ago

Listed seventeen days ago