Senior Device Engineer — Yield & Process Optimization

STMicroelectronics Asia Pacific Pte Ltd; Hong Kong; On-site; HKD 300,000 - 520,000; Full time

Job summary

STMicroelectronics Asia Pacific Pte Ltd is seeking a motivated Process/ Yield Engineer to monitor and improve EWS and PT yield, perform root-cause analysis, and support tool qualification and production ramp-up. You will collaborate with Process, Module and Division teams to optimize sort test programs, implement containment, corrective and preventive actions, and drive improvements in inline and CPK.

A degree in Engineering and at least two years of experience in semiconductor manufacturing,

Qualifications

• Degree in Engineering or related discipline.
• Minimum 2 years of experience in semiconductor manufacturing, yield improvement, process engineering, or a related field.
• Good understanding of semiconductor manufacturing.
• Familiarity with bench analyzer operation.
• Basic knowledge of statistics.
• Strong team collaboration skills.
• Proficiency in Microsoft Office tools.
• Experience with Ace-Xp, JMP, or Spotfire is an advantage.
• Strong command of English, both written and spoken.

Responsibilities

• Monitor and improve Electrical Wafer Sort (EWS) test yield loss; analyze root causes.
• Reduce scrap through containment, corrective, and preventive actions.
• Manage lots on hold and ensure daily disposition follow-up.
• Support MRB activities and timely NCL disposition.
• Assist engineers with electrical data analysis for tool qualification and ramp-up.
• Drive process change qualification when marginality is identified.
• Collaborate to optimize sort test programs and limits; improve CPK where applicable.
• Coordinate with Process and Division teams for cross-functional improvements.
• Assist in tech transfers and qualification activities.

Skills

Semiconductor manufacturing knowledge

Statistics

Team collaboration

English language

MS Office

Education

Bachelor's degree in Engineering or related discipline

Tools

Ace-Xp

JMP

Spotfire

Job description

STMicroelectronics Asia Pacific Pte Ltd is seeking a motivated Process/ Yield Engineer to monitor and improve EWS and PT yield, perform root-cause analysis, and support tool qualification and production ramp-up. You will collaborate with Process, Module and Division teams to optimize sort test programs, implement containment, corrective and preventive actions, and drive improvements in inline and CPK.

A degree in Engineering and at least two years of experience in semiconductor manufacturing,