Test Engineer - Lumentum International (Thailand) Co., Ltd.
Lumentum International (Thailand) Co., Ltd. · Pathumthani
- Location
- Pathumthani
- Salary
- Negotiable
- Job Type
- Full Time
- Work Type
- Onsite
- Education
- Bachelor's Degree or Higher
- Posted
- 22/06/2026
Responsibilities
- Act as the on-site representative at the contract manufacturer (CM), overseeing processes for Test, PCB Assembly and Box build.
- Monitor and enforce manufacturing standards, including ESD controls, line setup, line audits and process adherence; identify and escalate risks proactively
- Support New Product Introduction (NPI) and mass production activities by assisting in product bring-up, troubleshooting issues, and coordinating with cross-functional engineering teams across global locations
- Lead, advise and drive root cause analysis and corrective actions (5D/8D reports) and support continuous improvement efforts at the CM site
- Collaborate closely with program manager, test engineering, supplier quality, and manufacturing teams to ensure product reliability, quality and successful ramp to production
- Provide weekly/monthly oversight, reporting issues back to the design team before reaching crisis. This might include yield monitoring, identify production excursions, and suggest proactive fixes.
Qualifications
- Bachelor’s degree and above in Electrical/Electronic Engineering (or related technical field)
- • 5–10 years of hands-on experience in testing, PCB Assembly and box build (mechanical assembly) process, preferably in high-tech manufacturing or optoelectronic components
- Has electrical debug, knowledge of test software best practices, and a general understanding of the individual elements and box build, and overall function of the final products.
- Has understanding of PCB Assembly process.
- Has at least a fundamental knowledge of our mechanical parts, including assembly processes and tolerancing.
- Strong knowledge of quality control tools and methodologies (SPC, 5D/8D, FMEA, root cause analysis)
- Experience working closely with contract manufacturers (CMs), including on-site support and line audits
- Solid understanding of manufacturing process controls, material handling, ESD standards, and product assembly flows
- Ability to troubleshoot technical issues, communicate effectively with remote engineering teams – excellent verbal and written communication skills in English
- Comfortable working in an intense, fast-paced environment with multiple projects and shifting priorities
Benefits
- Dental insurance (สิทธิการเบิกค่าทันตกรรม)
- Staff training and development
- Fuel/transportation fees
- 5-day work week
- Social security
- Accident Insurance
- Flexible working hours
About Lumentum International (Thailand) Co., Ltd.
About Lumentum Lumentum (NASDAQ: LITE) is a global leader in optical and photonic technologies that power the networks and infrastructure behind AI, cloud computing, and next-generation communications. Built on decades of photonics innovation, Lumentum delivers high-performance lasers, modules, and optical subsystems that enable scalable, energy-efficient data center connectivity, advanced telecom networks, industrial manufacturing, and sensing applications. Headquartered in San Jose, California, the company operates R&D, manufacturing, and sales facilities worldwide. Learn more at www.lumentum.com
60/129, 60/90 Moo 19, Klongnueng, Klongluang, Pathumthani 12120
Human Resources Department
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