Senior Test engineer

lumentumยท Cloud Light Technology Ltd (Dongguan)
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๐Ÿ“ China - Dongguan (Changan Town)Full time

About this role

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!

Job Summary
The Senior Test Engineer will be responsible for developing, implementing, and optimizing test solutions for optical transceiver products, ensuring product quality, performance, and manufacturing readiness throughout the product lifecycle.

Job Responsibilities
1. Design, develop, set up, and maintain test systems and automated test solutions for optical transceiver products.
2. Develop and execute test plans, test cases, and validation procedures, and document test results.
3. Analyze test data, identify product or test-related issues, and work with cross-functional teams on root cause analysis and issue resolution.
4. Support new product introduction (NPI) by providing test strategy, technical guidance, and engineering support from development through production ramp.
5. Continuously improve test methods, processes, and automation to enhance test efficiency, accuracy, stability, and coverage.
6. Develop and maintain test specifications, technical documentation, and operating procedures.

Job Qualifications
1. Bachelor's degree or above in Electronic Engineering, Optical Communication, Automation, Computer Science, or a related field.
2. 5+ years of experience in optical transceiver, optical communication, or related product testing.
3. Strong knowledge of optical transceiver fundamentals, test methodologies, and industry standards such as IEEE and MSA.
4. Hands-on experience with optical and high-speed test equipment, such as optical power meters, optical spectrum analyzers, BERTs, and oscilloscopes.
5. Hands-on programming experience with at least one language such as Python, C#, or LabVIEW for test software and automation development.
6. Experience with test fixture design and automated test system integration.
7. Strong analytical, troubleshooting, problem-solving, and cross-functional communication skills.
8. Ability to work independently and effectively in a fast-paced, team-oriented environment.
9. Good written and verbal English skills, with the ability to understand technical documentation in English.

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.

Frequently Asked Questions

Is the salary disclosed for the Senior Test engineer position at lumentum?
The salary for this Senior Test engineer role at lumentum is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Senior Test engineer position at lumentum located?
This Senior Test engineer role at lumentum is based in China - Dongguan (Changan Town). The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Senior Test engineer role at lumentum full-time or part-time?
This is listed as a Full time position. It is posted as a Senior Test engineer role in the Cloud Light Technology Ltd (Dongguan) department at lumentum.
Which team or department does the Senior Test engineer at lumentum belong to?
This Senior Test engineer position is part of the Cloud Light Technology Ltd (Dongguan) department at lumentum. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Senior Test engineer position at lumentum?
Click the "Apply Now" button on this page. You will be redirected to lumentum's official application portal hosted on workday where you can submit your application directly.
When was the Senior Test engineer job at lumentum posted?
This Senior Test engineer position at lumentum was posted on Sep 18, 2026. Apply as soon as possible โ€” early applications are often reviewed first.
Senior Test engineer
lumentum
Apply for this role โ†—

You'll be redirected to lumentum's official application page on Workday.