Senior Semiconductor Yield & Process Engineer

STMICROELECTRONICS PTE LTD; Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

STMicroelectronics PTE LTD in Singapore seeks a Process Engineer focusing on yield improvement and reliability. You will monitor EWS/PT yield, analyze scrap, manage lots on hold, and support MRB and NCL disposition while collaborating with MQA, Process and Division teams.

You will assist engineers with data analysis for tool qualification, drive change qualifications, and help optimize test programs and limits. Strong English and teamwork are essential.

Qualifications

• Degree in Engineering or a 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 for the assigned technology.
• Analyze and reduce Parametric Testing (PT) and EWS scrap through root cause identification and implementation of containment, corrective, and preventive actions.
• Manage lots on hold, including inline, T84, and EWS lots, and ensure daily disposition follow-up.
• Support MQA and Division teams in MRB activities and timely NCL disposition.
• Assist Process and Module Engineers with electrical data analysis for new tool qualification and production ramp-up.
• Drive process change qualification when product or process marginality is identified.
• Work with Product Engineers to optimize sort test programs, specification limits, and statistical bin limits where applicable.
• Collaborate with Process Engineers and Division teams to improve inline and PT CPK.
• Support sending plant, Division, RAT, Process Engineers, and Production Control teams in techno and new product transfer qualifications.
• Apply failure analysis knowledge and perform bench measurements to support root cause analysis.
• Support defectivity reduction initiatives and Customer Quality Assurance activities for customer incident analysis.
• Lead ad hoc improvement projects related to yield enhancement, scrap reduction, defectivity reduction, process robustness, process simplification, lot hold improvement, and cost reduction.
• Liaise with professionals from other functions and ST sites to support team requirements and collaboration.

Skills

Yield improvement

Statistical analysis

English communication

Team collaboration

Microsoft Office

Education

Bachelor's degree in Engineering

Tools

Ace-Xp

JMP

Spotfire

Job description

STMicroelectronics PTE LTD in Singapore seeks a Process Engineer focusing on yield improvement and reliability. You will monitor EWS/PT yield, analyze scrap, manage lots on hold, and support MRB and NCL disposition while collaborating with MQA, Process and Division teams.

You will assist engineers with data analysis for tool qualification, drive change qualifications, and help optimize test programs and limits. Strong English and teamwork are essential.