Engineer II, Customer Quality Engineering

Job Summary: 

The Customer Quality Engineer (CQE) – for CMP Slurry, based in Suwon, Korea, is responsible for supporting customer quality activities and ensuring stable product performance through effective customer engagement and data-driven problem solving. This role requires strong product understanding of CMP slurry, solid knowledge of semiconductor manufacturing processes, and hands-on experience supporting major semiconductor customers. 

Key Responsibilities: 

• Serve as a customer-facing quality engineer for CMP Slurry products, primarily supporting customers in Korea 

• Support and resolve customer quality issues through structured root cause analysis and corrective/preventive actions (CAPA) 

• Provide technical support related to CMP slurry performance in semiconductor fabrication processes 

• Perform statistical data analysis using Six Sigma methodologies and tools such as Minitab and JMP to identify trends, root causes, and improvement opportunities 

• Actively collaborate with Fab Technology Engineer (FTE), sales team, BU, R&D, Manufacturing, and global plant teams to ensure smooth transition from development to HVM. 

• Support customer qualification, validation, and change management activities 

• Prepare and present data-driven analysis and technical findings for customer meetings, quality reviews, and internal discussions 

• Ensure alignment with customer requirements, internal quality standards, and project timelines 

Required Qualifications: 

• Bachelor’s degree in chemical engineering, Materials Science, Chemistry, Semiconductor Engineering, or a related field 

• 3–6 years of experience in customer quality engineering, process engineering, or semiconductor materials–related roles 

• Strong understanding of CMP slurry products and their application in semiconductor processes 

• Solid knowledge of semiconductor manufacturing processes, especially CMP-related steps 

• Experience working with domestic and/or global semiconductor material environments 

• Proven ability to conduct statistical data analysis using Six Sigma tools, Minitab, JMP, or equivalent software 

• Ability to make logical, data-driven decisions based on quantitative analysis 

• Proficiency in English (verbal and written) 

Preferred Qualifications: 

• Experience supporting CMP Slurry products in fab environments 

• Hands-on experience with DOE, SPC, or trend analysis 

• Six Sigma certification (Green Belt or above) 

• Experience collaborating with overseas manufacturing sites or global teams 

• Familiarity with customer audits and quality system requirements 

Your success will be measured by: 

Success for the CQE role is measured by both quantitative and qualitative means that include both Customer and Entegris KPI’s that require CQE support and oversight as well as subjective interpersonal ratings from customers and internal stakeholders that are vital to the overall success of the CQE role. That is being measured in combination with how these results being achieved: 

• Strong customer focus and communication skills 

• Data-driven and structured problem-solving mindset 

• Accountability and attention to detail 

• Ability to work effectively in cross-functional and multicultural teams 

• Willingness to learn and continuously improve quality and technical capabilities