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Lumilens

Senior/Staff Quality Assurance Engineer or Manager (OSAT)

Singapore
Level
Staff

Not stated in the posting: salary, work type, visa.

Open. First seen 2 October 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.

What this role asks for

Particular to this role

Excel · SQL

Rare in Lumilens's other 121 open postings.

Read against Lumilens's other open postings on this site.

The team: Operations HIRES STEADILY

This role is one of 65 open in Operations. 8 were posted in the last 30 days and the oldest in October: a team that hires all year rather than one being built.

WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS

Python (12 of 65), LabVIEW (11 of 65), Test Automation (9 of 65), Bash (8 of 65), SQL (8 of 65), SolidWorks (7 of 65), Bitbucket (6 of 65)

OTHER ROLES ON THIS TEAM

From the team and dates on Lumilens's own job board.

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