Senior/Staff Quality Assurance Engineer or Manager (OSAT)

Lumilens · Singapore

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.

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)

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.