Process Engineer - Lithography

STMicroelectronics; Singapore; On-site; SGD 120,000 - 170,000; Full time

Job summary

STMicroelectronics in Singapore is seeking a talented Lithography Process Engineer to lead development and optimization of photolithography processes. You will operate Canon Stepper / EVG620, run DNS/SVG track work, and partner with R&D and manufacturing to improve yield and process robustness.

The role emphasizes data-driven problem solving, SPC monitoring, and documentation. You will contribute to technology transfer, process qualification, and continuous improvement in a fast-paced

Qualifications

• Bachelor’s degree or higher in Materials Science, Chemical Engineering, Electrical Engineering, Physics, Microelectronics, or related field.
• Experience in Semiconductor Lithography Process Engineering.
• Hands-on experience with Canon Stepper / EVG620 or DNS / SVG track.
• Understanding of lithography fundamentals, process Windows, alignment, overlay, exposure control, and defect mechanisms.
• Experience in process monitoring, SPC, troubleshooting, and root-cause analysis.
• Ability to work independently and collaboratively in a fast-paced manufacturing environment.
• Experience supporting tool qualification, process transfer, or technology ramp-up.
• Exposure to inline process integration and yield improvement projects.
• Good communication, teamwork, documentation, and presentation skills.

Responsibilities

• Process Development and Optimization: Hands-on and optimize photolithography equipment, including Canon Stepper / EVG620.
• Process Monitoring and Control: Monitor lithography process performance, SPC, defect analysis, and troubleshooting.
• Data Analysis and Problem Solving: Analyze process, metrology, and defect data; lead root-cause analysis.
• Documentation and Reporting: Maintain records and prepare technical reports and updates.
• Cross-Functional Collaboration: Work with R&D, production, quality, equipment, and integration.
• Continuous Improvement: Identify and lead improvements, automation, lean manufacturing.

Skills

Semiconductor lithography

Data analysis

Problem solving

Communication & teamwork

Education

Bachelor’s degree or higher in Materials Science, Chemical Engineering, Electrical Engineering, Physics, Microelectronics

Tools

Canon Stepper / EVG620

DNS / SVG track

Job description

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.

YOUR ROLE

1. Process Development and Optimization

• Hands on and optimize photolithography equipment, including Canon Stepper / EVG620 .
• Hands-on DNS / SVG track experience to support Taiko / Thin wafer / Polymide process setup, development, optimization, and improvement activities.
• Define, develop, and tune process recipes, including focus, exposure dose, alignment, overlay, and other critical lithography parameters.
• Conduct process experiments, collect and analyze data, and implement improvements to enhance process robustness and performance.
• Collaborate with R&D, manufacturing, and equipment teams to introduce and qualify new processes or process changes.

2. Process Monitoring and Control

• Monitor lithography process performance to ensure consistent output, high yield, and stable operation.
• Use DNS track knowledge to support process monitoring, track troubleshooting, and day-to-day manufacturing stability.
• Perform routine process qualifications, tool matching, SPC monitoring, and defect analysis.
• Troubleshoot process excursions, identify root causes, and implement effective corrective and preventive actions.
• Work closely with equipment engineers to ensure tool readiness, uptime, and process stability.

3. Data Analysis and Problem Solving

• Analyze process, metrology, and defect data to identify trends, risks, and improvement opportunities.
• Lead or support root-cause analysis for lot disposition, process-related issues and yield loss.
• Use data-driven methods to improve process stability, throughput, and overall manufacturing performance.
• Provide technical recommendations based on experimental results and production data.

4. Documentation and Reporting

• Maintain accurate records of process parameters, experiments, qualifications, and results.
• Prepare technical reports, summaries, and presentations for engineering reviews and management updates.
• Update process specifications, operating procedures, and control plans as required.
• Ensure proper documentation of process changes and lessons learned.

5. Cross-Functional Collaboration

• Work closely with cross-functional teams including R&D, production, quality, equipment, and integration.
• Support shift engineers and technicians as needed to resolve process or tool-related issues.
• Participate in technical discussions, problem-solving meetings, and improvement initiatives.
• Contribute to smooth process integration and technology transfer activities.

6. Continuous Improvement

• Identify and lead continuous improvement initiatives to improve yield, efficiency, quality, and cycle time.
• Explore opportunities for process automation and smarter process control.
• Support lean manufacturing and operational excellence initiatives in the lithography area.
• Drive standardization and best practice sharing across tools and teams.

Required Qualifications

• Bachelor’s degree or higher in Materials Science, Chemical Engineering, Electrical Engineering, Physics, Microelectronics, or a related field.
• Experience in Semiconductor Lithography Process Engineering.
• Hands-on experience with Canon Stepper / EVG620 or DNS / SVG track.
• Understanding of lithography fundamentals, process windows, alignment, overlay, exposure control, and defect mechanisms.
• Experience in process monitoring, SPC, troubleshooting, and root-cause analysis.
• Ability to work independently and collaboratively in a fast-paced manufacturing environment.
• Experience supporting tool qualification, process transfer, or technology ramp-up.
• Exposure to inline process integration and yield improvement projects.
• Good communication, teamwork, documentation, and presentation skills.

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.