Product Engineer

Posted:
5/7/2026, 5:20:01 PM

Location(s):
Pathum Thani Province, Thailand ⋅ Pathum Thani Town Municipality, Pathum Thani Province, Thailand

Experience Level(s):
Mid Level ⋅ Senior

Field(s):
Product

Workplace Type:
Hybrid

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.

Ciena is seeking a Product Engineer to join the Site Engineering Operations group within the Optical Components organization. This role is critical to transferring new optoelectronic products into high-volume manufacturing and sustaining production performance in partnership with design, NPI, and contract manufacturing teams. The position is based on-site at Ciena’s contract manufacturing partner in the Chonburi area and directly impacts product quality, yield, and time-to-market.

How you will make an impact:

  • Lead new product transfer activities from development into contract manufacturing and sustain products through mass production

  • Perform first-line failure analysis and develop fault-finding algorithms for contract manufacturer engineers

  • Define and implement production process and test requirements in collaboration with R&D, NPI, and Test Engineering teams

  • Develop and deliver training programs for manufacturing operators and engineers

  • Monitor and manage product yield, capacity versus forecast, and performance against production targets

  • Drive root cause analysis for field RMAs and significant device failure modes and implement corrective actions

  • Lead process improvements, minor ECOs/PCNs, cost reduction initiatives, and second-source qualification activities

The must haves:

  • Education: Bachelor’s degree in a relevant engineering discipline

  • Experience: 5+ years of product experience in the design, manufacture, or test of optoelectronic products

  • Application of optoelectronic device principles including lasers, modulators, detectors, optical sub-assemblies, and transceivers

  • Background in production processes for manufacturing optoelectronic devices

  • Demonstrated delivery of complex optoelectronic module products into production environments

  • Utilization of product lifecycle management practices

  • Execution of technical problem solving in high-pressure manufacturing environments, both locally and remotely

  • Collaboration with multi-functional, multi-site engineering and manufacturing teams

  • Written and verbal communication in English and Thai

  • Use of computer-based analytical tools, database management, and data analysis methods

Nice to haves:

  • Experience managing automated test analysis tools and manufacturing KPIs

  • Exposure to BOM management for products in mass production

  • Participation in PFMEA review and update activities

  • Experience managing supplier non-conformance and procurement specification alignment


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.

Ciena

Website: https://www.ciena.com/

Headquarter Location: Linthicum Heights, Maryland, United States

Employee Count: 5001-10000

Year Founded: 1992

IPO Status: Public

Last Funding Type: Series C

Industries: Collaboration ⋅ Delivery ⋅ Software ⋅ Telecommunications