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Lumentum

Test Engineer

Lumentum
Thani, Pathum Thani, Thailand
5-10 Years
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Job Description

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

  • Provide first-level engineering support for optical and electronic test issues in OCS production, including troubleshooting, root-cause analysis, and implementation of corrective actions.
  • Set up, configure, validate, and maintain optical/electronic test equipment to ensure stable and accurate test operations aligned with Lumentum standards.
  • Own and sustain test processes, monitor test data trends, and drive yield improvement and defect reduction initiatives.
  • Support new product introduction (NPI), including test plan validation, pilot builds, equipment readiness, and alignment with global engineering requirements.
  • Collaborate regularly with Manufacturing Engineering in Ottawa through cross-site calls to resolve issues, standardize testing methods, and drive continuous improvement activities.
  • Prepare and maintain test documentation such as work instructions, test plans, process controls, and engineering change updates.
  • Coordinate with Production, Quality, and R&D teams to ensure test readiness, production stability, and timely issue resolution.
  • Collect, analyze, and prepare test data reports to support engineering decisions, yield analysis, and process optimization.

Required Qualifications

  • Bachelor's degree or higher in Electrical Engineering, Electronics, Optics, Physics, Mechatronics, or a related technical field.
  • 5-10 years work experience in high technology work environment, optical and/or electronics in progressive roles.
  • Knowledge and experience with manufacturing (assembly and testing) of high-end optical blades and circuit card assemblies.
  • Demonstrated skills/knowledge of complex PCBAs, EDFAs and ROADMs.
  • Experience in the setup and configuration of electronic and optical test sets and equipment is essential.
  • Ability to work and communicate orally and in writing in English and Thai.
  • Demonstrated ability to work across geographical boundaries on a worldwide basis with R&D and Manufacturing groups.
  • Knowledge and experience in test and testing programming in VB6/VB.net.
  • Proven ability to work without direct supervision.
  • Able to demonstrate strong problem solving skills.
  • Hands-on debug skills of mixed analog/digital PCBA's and optical assemblies.

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.

More Info

Job Type:
Permanent Job
Industry:
Semiconductor Manufacturing
Function:
High Technology
Employment Type:
Full time

About Company

Lumentum

Job ID: 148332621

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Last Updated: 26-05-2026 04:17:21 AM
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Test Engineer

Lumentum
Thani, Pathum Thani, Thailand

Skills:

Hands-on debug skills of mixed analog digital PCBA’s and optical assemblies, Troubleshooting root-cause analysis, Test process maintenance, Yield improvement and defect reduction