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LU

Senior/Staff Quality Assurance Engineer or Manager (OSAT)

lumilens
USAfull_timeVerifiedPosted 9 Sept 2026

About the role

CORE RESPONSIBILITIES:

Quality Management

- Design, monitor and maintain the overall quality standards for semiconductor assembly and test processes.

- Develop and maintain quality documentation, including Control Plans, PFMEA, Process Flow Charts, incoming & outgoing Quality requirements and Work Instructions.

- Ensure compliance with customer, industry, internal quality requirements, as well relevant ISO (such as ISO9001).

Problem Solving & Failure Analysis

- Lead root cause analysis (RCA) using 8D, 3x5 Why, Fishbone, and other quality tools.

- Drive corrective and preventive actions (CAPA) for quality excursions and customer complaints.

- Support failure analysis activities and coordinate with engineering teams for resolution.

Process Control & Improvement

- Monitor process capability using SPC methodologies.

- Analyse yield, defect trends, and reliability data.

- Lead continuous improvement projects to reduce defects and improve yield performance.

Supplier & Customer Quality

- Support supplier audits and qualification activities.

- Interface with OSAT partners, customers, and internal stakeholders regarding quality issues at OSAT.

- Manage the change control request review and approval, related to materials, processes, and equipment.

Audits & Compliance

- Conduct internal and external quality audits.

- Support customer audits and certification activities.

- Ensure compliance with QMS, ISO 9001, (16949), JEDEC, and customer-specific requirements where applicable.

REQUIRED QUALIFICATIONS

- Bachelor's Degree in Electrical Engineering, Electronics Engineering, Materials Science, Mechanical Engineering, Physics, Chemistry, or related field.

- 5+ years of semiconductor assembly and test Quality experience, preferably in OSAT, or IDMs.

- Knowledge of semiconductor packaging technologies such as Flip Chip, BGA, QFN, WLCSP – bumping, fan-out, back-grind, wafer saw, 2.5D/interposer assembly. Wafer & Final Test quality experience is an added advantage.

- Technical Skills:

- Statistical Process Control (SPC)

- Failure Analysis (FA)

- FMEA / PFMEA

- CAPA

- 8D Problem Solving

- DOE (Design of Experiments)

- Yield Analysis & Defect Reduction

- Reliability Engineering

- QMS - ISO 9001, IATF 16949

- Minitab, JMP, Excel, SQL (preferred)

PREFERRED SKILLS

- Strong analytical and troubleshooting skills.

- Excellent communication and presentation abilities.

- Experience working with OSAT subcontractors and cross-functional teams.

- Ability to manage multiple projects and drive quality improvements independently.

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