Senior Engineer - MEMS Test

Lumentum · Thailand - Pathumthani, Thailand · full time · On site · September 08, 2026

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Posted September 08, 2026 · Read from Lumentum
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It's fun to work in a company where people truly BELIEVE in what they're doing!

We're committed to bringing passion and customer focus to the business.

If you like wild growth and working with happy, enthusiastic over-achievers, you'll enjoy your career with us!

Key Responsibilities

  • Test Process Ownership: Develop, optimize, and sustain MEMS production test processes to ensure stable manufacturing performance, product quality, and customer requirements.
  • Failure Investigation & Root Cause Analysis: Perform on-site failure investigation, analyze test failures, identify root causes, and implement corrective and preventive actions.
  • Yield & Data Analysis: Analyze production yield, test results, and process data to identify trends, improve process capability, and drive yield improvement initiatives.
  • Process Improvement: Lead continuous improvement projects to enhance test efficiency, reduce defects, improve equipment utilization, and increase manufacturing productivity.
  • Customer Support: Support customer quality issues and engineering requests by performing technical investigations, data analysis, and corrective action implementation.
  • Test Equipment Support: Own and maintain production test equipment, coordinate troubleshooting activities, and work with equipment vendors to improve system reliability and uptime.
  • Cross-functional Collaboration: Work closely with Product Engineering, Process Engineering, Manufacturing, Quality, Reliability, and R&D teams to resolve technical issues and support new product introduction (NPI).
  • Documentation: Prepare and maintain engineering reports, work instructions, process documentation, FMEA, control plans, and engineering change documentation.
  • Continuous Improvement: Utilize statistical analysis tools (SPC, DOE, MSA, Cp/Cpk) and structured problem-solving methodologies (8D, Fishbone, 5 Why) to improve manufacturing performance.
  • Training & Technical Support: Provide technical guidance and training to technicians and operators to ensure consistent execution of production test processes.

Qualifications

  • Bachelor's or Master's degree in Electrical Engineering, Electronics Engineering, Mechanical Engineering, Mechatronics, Physics, or a related engineering field.
  • 5+ years of experience in semiconductor, MEMS, photonics, or electronics manufacturing.
  • Experience in production testing, failure analysis, process engineering, or manufacturing engineering.
  • Strong analytical skills with experience in root cause analysis and statistical problem-solving tools (DOE, SPC, FMEA, MSA).
  • Experience with production test equipment and automated manufacturing systems.
  • Knowledge of electrical measurements and data analysis tools such as JMP, Minitab, or Python is an advantage.
  • Excellent communication and cross-functional collaboration skills.
  • Experience in cleanroom manufacturing environments is preferred.

We are an equal opportunity employer and value diversity at our company.

We do not discriminate on the basis of race, religion, color, national origin, sex, gender, gender expression, sexual orientation, age, marital status, veteran status, or disability status.

We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment.

Please contact us to request accommodation.

Employer
Lumentum
Location
Thailand - Pathumthani, Thailand · On site
Contract
full time