Ciena

Pluggable Modem Optical Test Engineer

Thailand · Work style not stated · Full time

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About the role

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EmployerCiena
LocationThailand
Work styleWork style not stated
Employment typeFull time
Employer posted2 Oct 2026

As the global leader in high-speed connectivity, Ciena is committed to a people-first approach. Our teams enjoy a culture focused on prioritizing a flexible work environment that empowers individual growth, well-being, and belonging. We’re a technology company that leads with our humanity—driving our business priorities alongside meaningful social, community, and societal impact.

Pluggable Modem Optical Test Engineer

Ciena is seeking a Pluggable Modem Optical Test Engineer to contribute to the quality, performance, and manufacturability of optical communication products. This role plays a key part in executing optical test activities, resolving production issues, and supporting product lifecycle initiatives in collaboration with cross-functional teams. The position contributes to reliable product delivery through data-driven testing, analysis, and continuous process improvement.

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How you will make an impact:

• Implement optical test plans and procedures for pluggable modem products in accordance with technical specifications.

• Resolve factory technical issues and provide guidance for product rework activities.

• Collaborate with design, manufacturing, and product development teams to address optical performance issues.

• Contribute to continuous improvement initiatives related to manufacturing optical test processes.

• Participate in new product introduction and ongoing product lifecycle support activities.

• Document test results, generate reports, and communicate findings to cross-functional teams.

• Evaluate product repairability and serviceability from an optical testing perspective.

The must haves:

• Education: Bachelor's degree in Electrical Engineering, Optical Engineering, Physics, or a related field.

• Experience: 2+ years of experience in optical test development and execution.

• Application of optical communication principles and technologies.

• Utilization of optical test equipment including optical spectrum analyzers, power meters, and tunable lasers.

• Experience with manufacturing processes and quality control methodologies.

• Knowledge of product development and product lifecycle management (PLM) concepts.

• Thai language required. Fluent English writing and speaking required.

Nice to haves:

• Programming experience with MATLAB.

• Programming experience with Python.

• Adaptability to evolving project requirements and technological advancements.

• Problem-solving abilities applied to technical challenges.

• Detail-oriented approach to testing and reporting accuracy.

• Experience working within a collaborative team environment.

At Ciena, we are committed to building and fostering an environment in which our employees feel respected, valued, and heard. Ciena values the diversity of its workforce and respects its employees as individuals. We do not tolerate any form of discrimination.

Ciena is an Equal Opportunity Employer, including disability and protected veteran status.

If contacted in relation to a job opportunity, please advise Ciena of any accommodation measures you may require.

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