Process Engineer

2 weeks ago

Pathum Thani, Thailand Lumentum International (Thailand) Co., Ltd. Full time

Job Responsibilities:

  • Process Development: Lead and optimize end-to-end MEMS assembly processes, including die attach by robot arm, wirebond, automation handling, and final testing, to achieve high yield, performance, and manufacturability.
  • Wirebond Process Ownership: Develop bonding parameters, conduct DOEs, troubleshoot bonding issues, and drive continuous improvements in bond quality and reliability.
  • Automation & Equipment Management: Develop and maintain automated assembly and test equipment programs. Collaborate with automation engineers to enhance process throughput and consistency.
  • ICT & Functional Testing: Define and refine in-circuit test (ICT) and functional test procedures to ensure complete product verification and traceability.
  • Process Integration: Work cross-functionally with design, test, and manufacturing teams to integrate new MEMS devices into high-volume production with robust process controls.
  • Data Analysis & Continuous Improvement: Analyze yield and test data to identify trends, root causes, and opportunities for improvement. Implement data-driven corrective actions to enhance process stability.
  • Documentation: Create and maintain comprehensive process documentation, including control plans, FMEA, work instructions, and standard operating procedures.
  • Quality & Reliability: Collaborate with quality engineers to ensure processes meet reliability and regulatory requirements. Support failure analysis and corrective action implementation.
  • Training & Mentorship: Provide technical training to operators and junior engineers on assembly and bonding processes to ensure process adherence and skill development.

Required Qualifications:

  • Bachelor's or Master's degree in Electrical, Mechanical, Optical, or related Engineering field.
  • Minimum 5 years' experience in wire bonding process in electronics or optical products.
  • Proven experience with wirebond equipment (e.g., Kulicke & Soffa, Hesse, ASM, Delvotec etc.) and process optimization techniques (DOE, SPC, FMEA).
  • Knowledge of automation control, machine vision, and robotic assembly systems is a plus.
  • Familiarity with ICT, functional test systems, and data analysis (Python, MATLAB, or similar tools).
  • Strong analytical and problem-solving skills with attention to detail.
  • Excellent communication, teamwork, and cross-functional collaboration abilities.
  • Experience working in a cleanroom or precision assembly environment preferred.

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