Job Description

Job Title:

Senior Engineer, Customer Quality Engineering

The Senior Customer Quality Engineer (CQE) for theadvance technology precursors project, based in Suwon, Korea, is responsible for leading customer quality activities from pre-validation through HVM (High Volume Manufacturing) transition, ensuring robust quality performance and proactive customer engagement. This role serves as a key technical interface between customers and internal cross-functional teams and requires strong ownership, self-driven execution, and deep product understanding—particularly in Precursor products

Key Responsibilities

• Serve as the primary point of contact for customer quality matters related toadvancedtechnology precursor products.

• Lead and support quality activities across the full product lifecycle, including qualification, pre-validation, HVM ramp-up, and mass production support

• Drive resolution of customer quality issues through root cause analysis and corrective/preventive actions (CAPA)with a high level of ownership

• Actively collaborate withFab TechnologyEngineer (FTE),sales team, BU, R&D, Manufacturing, and global plant teamsto ensure smooth transition from development to HVM

• Review and analyze internal and customer datato support data-driven decision making

• Prepare and support customer meetings, QTRMs, audits, and technical reviews, including presentation of quality status and improvement plans

• Proactively identify quality risksduring HVM transition and implement preventive quality strategies

• Demonstrate self-directed work capability,independentdriving tasks, prioritizing issues, and following through to closure

• Contribute to continuous improvement of customer quality processes and mentor junior engineers as needed

Required Qualifications

• Bachelor’s degree or higher in Chemical Engineering, Materials Science, Chemistry, or a related field

• 7+ years of experiencein customer quality engineering, process engineering, or related functions (Senior Engineer level)

• Proven experience supporting HVM (mass production) transition and sustained productionqualityin a customer-facing role

• Strong track record of self-initiated problem solving and independent executionin a fast-paced environment

• Solid understanding of quality systems, validation processes, and structured problem-solving methodologies

• Strong analytical, communication, and stakeholder management skills

• Ability to work effectively in a cross-functional, global organization

• Proficiency in English(verbal and written)

Preferred Qualifications

• Strong understanding andprocess / equipmenthands-on experience with Precursor products(highly preferred)

• Experienceworking in /supporting semiconductor customers, particularly Korean fabs

• Direct involvement in pre-validation, qualification, and HVM ramp activities

• Experience with precursor, or specialty chemical products

• Prior exposure to customer audits and quality system reviews

• Experience working with overseas manufacturing sites and global BU teams

Your success will be measured by:

Success for theCQErole 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:

• Tenacity to drive projects completion in a timely manner

• Professionalism, integrity and high degree of accountability

• Ability to collaborate with individuals at all levels and functional groups within the organization

• Ability to leverage technical knowledge and tools to drive continuous improvement

• Customer-focused problem solving with technical depth

• Self-driven execution and prioritization

• Clear and structured communication