Senior/Staff Quality Assurance Engineer or Manager (OSAT)

Department: Operations

Location: Singapore

Employment Type: FullTime

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.