Senior Engineer, Quality Engineering

Job Summary

ASE PG is seeking a highly motivated and experienced Senior SQE to support supplier quality management for semiconductor backend assembly operations. The successful candidate will work closely with the material suppliers and ASE’s cross-functional teams to ensure supplier performance meets ASE’s quality, reliability, and business requirements.

This role is responsible for driving supplier quality excellence, leading the supplier quality excursion & issue resolution, managing supplier qualification activities, implementing continuous improvement initiatives, and ensuring robust quality systems throughout the semiconductor assembly supply chain.

Job Descriptions

Supplier Quality Issue Resolution

• Lead the validation of the reject and ensure internal containment in-place.

• Collaborate with reliability, product engineering, and manufacturing teams during:

  • Failure analysis investigations
  • Reliability qualification activities
  • Customer complaint escalation

• Drive the supplier for the root cause investigations using structured methodologies such as: 8D investigation, 5 Why, Fishbone Analysis

• Lead the supplier containment, corrective actions, and preventive action implementation.

• Ensure timely closure and effectiveness verification of supplier corrective actions.

• Handling the nonconforming part return to supplier (RMA)

Supplier Performance Rating

• Manage quality performance of the critical material suppliers.

• Monitor supplier KPIs including:

  • Quality performance (Supplier escapee incidents, customer return).
  • Delivery performance
  • Cost

Supplier Audit & Compliance

• Plan and conduct supplier quality audits according to ISO9001, IATF16949 and VDA6.3 requirement.
• Assess supplier compliance with ASE quality standards and industry requirements.
• Follow up on audit findings through closure.

Supplier Change Management

• Review and approve supplier process changes request.
• Coordinate with Cross-functional team to evaluate: Equipment changes, Material changes, Site transfers and Process optimization projects
• Ensure proper risk assessment and qualification before implementation

Supplier Qualification & Material Qualification

• Lead qualification of new suppliers, assembly sites, and manufacturing processes.

• Review and approve:

  • Process qualification reports

o   Process flow documentation, Control plans and FMEA

o   Change notifications

• Support NPI, package development, and coordinating the IQA buyoff for engineering materials.

Continuous Improvement

• Identify and execute quality improvement opportunities across supplier quality management processes.

• Lead projects focused on:

  • IQA LRR improvement/Defect reduction
  • IQA process and system improvement
  • IQA measurement optimization

• Promote Lean Six Sigma and continuous improvement methodologies.

Required Qualifications

Education

• Bachelor's Degree in any engineering fields.

Experience

• 5+ years of experience in Supplier quality management and semiconductor manufacturing.
• Strong experience with supplier quality management and semiconductor backend assembly.
• Proven experience leading supplier audits and corrective action programs.

Technical Competencies

• Good understanding of semiconductor backend FOL & EOL assembly processes and Supplier quality management processes including:

  • Knowledge of assembly materials: Components, Lead frame, Substrate/PCB, Mold Compound. Bond Wire, Solder Materials, Die Attach Materials.. etc.
  • Quality Tools: 8D Problem Solving, SPC, MSA, PFMEA, Control Plans, DOE, APQP/PPAP

Key Skills & Expectations

• Provide technical leadership for critical supplier quality issues
• Provide technical leadership for critical supplier quality issues
• Mentor junior SQE, technician and IQA operators
• Drive strategic supplier quality improvement initiatives effectively.
• Strong analytical and problem-solving capabilities.
• Excellent stakeholder management skills.
• Effective communication and presentation skills.
• Ability to influence suppliers and cross-functional teams.
• Data-driven decision-making mindset.