Defectivity Control Engineer

OUR STORY At STMicroelectronics, we believe in the power of technology to drive innovation and make a positive impact on people, businesses, and society. As a global semiconductor company, our advanced technologies and chips form the hidden foundation of the world we live in today. When you join ST, you will be part of a global business with more than 115 nationalities, present in 40 countries, and comprising over 50,000 diverse and dedicated creators and makers of technology around the world. Developing technologies takes more than talent: it takes amazing people who understand collaboration and respect. People with passion and the desire to disrupt the status quo, drive innovation, and unlock their own potential. Embark on a journey with us, where you can innovate for a future that we want to make smarter and greener, in a responsible and sustainable way. Our technology starts with you. Defectivity Control Engineer Job Summary The Defectivity Line Control Engineer is responsible for controlling defectivity in semiconductor wafer fabrication through daily line monitoring, OOC management, tool excursion response, and cross-functional problem solving. The role supports both routine operations and improvement activities to ensure stable process performance, product quality, and effective industrialization. Key Responsibilities • Analyze defect Pareto, defect maps, and characterization data to identify root causes and containment actions. • Drive tool OOC reduction and lead sporadic defect reduction activities. • Lead the troubleshooting of defectivity alert and involve in Material Review Board for material assessment and disposition. • Support troubleshooting of defectivity alerts and escalation of critical issues. • Work closely with process, equipment, device, quality, and production teams to drive defect reduction and line stability. • Support technology transfer and industrialization activities to ensure smooth deployment of new products and processes. • Responsible for setting up, optimizing, maintaining Process Defectivity Systems like Automation system (Auto defect sampling, Auto DOI, DOLI), Defect library. • Opportunity to involve in deployment of Advanced Defectivity Monitoring system involving AI, Convolution Neural Network (CNN) and deep learning with DIT team and opportunities to learn and apply data analytics. Skills and Competencies • Degree in Material Science/Electrical/Electronics/Microelectronics/Mechanical/Physics/Chemistry. • Preferred minimum 3 years working experience in semiconductor wafer fabrication industry and good knowledge in Defectivity methodology and knowledge of Defectivity inspection tool. Fresh graduate is welcomed to apply as well. • Knowledge in Klarity Defects/AceXP/Space/Spotfire and other Defectivity related tool will be an added advantage. • Strong analytical and problem-solving skills. • Good understanding of semiconductor wafer fab processes. • Ability to work across departments and communicate clearly. • Proactive mindset with strong ownership and teamwork. • Self-driven and independent with an inquisitive mind. • Familiar with SPC concept and other problem-solving tools: SPACE, FMEA, 8D, Data mining analysis and AI base on Convolution Neural Network (CNN) will be advantageous. ST is proud to be one of the 17 companies certified as a 2025 Global Top Employer and the first and only semiconductor company to achieve this distinction. ST was recognized in this ranking thanks to its continuous improvement approach and stands out particularly in the areas of ethics & integrity, purpose & values, organization & change, business strategy, and performance. At ST, we endeavor to foster a diverse and inclusive workplace, and we do not tolerate discrimination. We aim to recruit and retain a diverse workforce that reflects the societies around us. We strive for equity in career development, career opportunities, and equal remuneration. We encourage candidates who may not meet every single requirement to apply, as we appreciate diverse perspectives and provide opportunities for growth and learning. Diversity, equity, and inclusion (DEI) is woven into our company culture. To discover more, visit st.com/careers.