Test Engineer (Teradyne, Thailand-Ayutthaya)

Location: Ayutthaya, onsite at Thailand contract manufacturing site

Our Purpose
TERADYNE, where experience meets innovation and driving excellence in every connection. We are fueled by creativity and diversity of thought and in our workforce. Our employees are supported to innovate and learn something new every day.

We cultivate a culture of inclusion for all employees that respects their individual strengths, views, and experiences. We believe that our differences enable us to be a better team – one that makes better decisions, drives innovation and delivers better business results.

Opportunity Overview

We are seeking a highly skilled and detail-oriented Test Engineer to support our contract manufacturing partners in Penang Island. The ideal candidate will have deep expertise in testing, validation, debugging, yield improvement, and resolving design issues to ensure high-quality products and continuous process optimisation. This role requires onsite support at manufacturing locations, working closely with both internal teams and external suppliers to drive improvements in test performance and product reliability.

• Develop and maintain test procedures, initiate ECO/ ECN (Engineering Change Orders/ Notices) or deviations for design changes.
• Perform functional, parametric, and reliability testing on digital components using automated and manual test equipment.
• Support failure analysis and root cause investigations for test failures to proactively address potential risks.
• Collaborate with design, process, quality, supply line, and hardware engineering teams to resolve product and test-related issues.
• Document test results, generate reports, conclude and present findings to engineering and management teams.
• Assist in new product introduction (NPI) transfer, component qualification, and software validation processes at manufacturing sites.
• Participate in continuous improvement initiatives to enhance test yield, test efficiency, accuracy and coverage.
• Support contract manufacturing debugging methodologies and troubleshooting techniques. Develop/ co-develop and document cookbook for defects troubleshooting.
• Provide technical support and participate in PIP (Prefect Installation Program) and field failures.
• Capable to apply TQM and TQC tools as well as pFMEA/ pFMECA tool for product first passed yield improvements.
• Devise product performance improvement plans through 8-step of systematic problem-solving methodology and drive the contract manufacturers and suppliers to closure to yield results.
• Devise a plan to satisfy and meet the given key performance indicators (KPIs), as well as recovery plan should the data indicating a gap against the target.
• Work with the contract manufacturer partner to drive operation improvements and cost reduction program through LEAN & 6-sigma projects.

All About You
We seek individuals who share our passion and determination. Our commitment to customer success drives us to go the extra mile. If you’re ready to join us in this mission, take a closer look at the minimum criteria for the position.

• Bachelor’s or Master’s degree and 10+ years of experience in Electrical Engineering, Electronics, or a related field.
• Strong expertise in test failure analysis, hardware debugging, and root cause identification.
• Excellent in digital electronics, test methodologies, and fault isolation.
• Experience with ATE platforms, board-level test systems, FCT system level test environments.
• Experience with debugging tools oscilloscopes, logic analyzers, and other test equipment.
• Good analytical and strong problem-solving skills with the ability to work independently in a fast-paced environment.
• Knowledge of statistical analysis tools (e.g. JMP, minitab), and yield improvement methodologies is a plus.
• Software programming experience and knowledge of Teradyne SOC system is a plus.
• Great communication skills in English, both written and oral, are required.
• Eagerness to learn new things, strong self-discipline, and motivation skills.
• Ability to work independently, in a team-oriented environment, and have leadership skills.

We are only considering candidates local to position location and are unable to provide relocation for this position

This position is not eligible for visa sponsorship.

Benefits: Teradyne offers a variety of robust health and well-being benefit programs, including annual health screening, dental, fitness/gym membership reimbursement, insurance, Provident Fund, ESPP and more.

#LI-Onsite