Senior Process Sustaining Engineer - Semiconductor Yield

ASE Global; Bayan Lepas; On-site; MYR 120,000 - 180,000; Full time

Job summary

ASE Global in Penang seeks an experienced Process Engineer to own performance, yield and quality for pre-assembly steps. You will lead root cause investigations, drive defect-reduction initiatives, and execute process qualifications to optimize productivity. Strong collaboration with cross-functional teams and MRB support are essential.

Candidate should have 5+ years in semiconductor manufacturing, solid problem-solving abilities, and familiarity with SPC/DOE/MINITAB to drive robust improvements.

Qualifications

• Bachelor's degree in engineering, materials science, physics or related disciplines
• Over 5 years of experience in semiconductor manufacturing
• Experience in wafer backgrind, wafer saw, wafer sputtering, wafer inspection, wafer coating or related semiconductor processes preferred
• Strong problem-solving and root cause analysis skills
• Familiarity with SPC, DOE, FMEA, CpK, and statistical data analysis tools
• Experience leading technical improvement or qualification projects is an advantage

Responsibilities

• Own process performance, yield, quality, and capability for assigned pre-assembly processes
• Lead root cause investigations and corrective actions for process excursions, customer issues, and yield losses
• Drive defect reduction initiatives focused on wafer breakage, die chipping/cracking, and wafer singulation-related defects
• Execute process qualifications, new material evaluations, and process optimization projects
• Apply statistical methodologies (SPC, DOE, CpK, Minitab) to improve process robustness and productivity
• Lead continuous improvement initiatives in yield, cycle time, cost reduction, automation, and process simplification
• Support stop–start disposition, MRB activities, and process-related customer escalations
• Collaborate with Production, Equipment Engineering, Quality, Product Engineering, and Global Technology teams

Skills

Root cause analysis

Statistical analysis

Process optimization

Problem solving

Continuous improvement

Cross-functional collaboration

MRB coordination

Education

Bachelor's degree in Engineering/Materials Science/Physics/related

Tools

Minitab

Job description

ASE Global in Penang seeks an experienced Process Engineer to own performance, yield and quality for pre-assembly steps. You will lead root cause investigations, drive defect-reduction initiatives, and execute process qualifications to optimize productivity. Strong collaboration with cross-functional teams and MRB support are essential.

Candidate should have 5+ years in semiconductor manufacturing, solid problem-solving abilities, and familiarity with SPC/DOE/MINITAB to drive robust improvements.