Korean Bilingual Quality Engineer ll​/TL​/Aliso Viejo, CA

Korean Bilingual Quality Engineer ll//TL//Aliso Viejo, CASummary

This role is responsible for supporting manufacturing and engineering quality activities, including defect analysis, root cause investigations, and customer return processes. The position focuses on identifying quality trends, improving product reliability, and ensuring timely resolution of quality issues through data-driven analysis and cross-functional collaboration.

Responsibilities Lead and support manufacturing and engineering quality-related issues, including customer return defect analysis and root cause investigations

Perform initial hardware and software (HW/SW) analysis, including diagnostic trouble code review, bench testing, log capture, and PCB component-level investigation

Conduct warranty claims analysis and utilize quality data analytics to identify trends and drive continuous improvement

Prepare and report quality status to internal stakeholders and external customers

Conduct and coordinate vehicle-level testing and detailed analysis, including supporting field investigations and customer site visits

Ensure timely and compliant submission of required customer documentation

Support and coordinate responses to emerging quality issues, including containment actions and issue tracking

Support daily quality and inspection activities at designated inspection facilities to verify product quality

Perform other duties as assigned

Required Qualifications Bachelor’s degree3+ years of experience in automotive electronics or related field

Hands-on experience with PCB analysis, ECU testing, and system-level integration

Strong technical knowledge in automotive electronics quality

Bilingual in Korean and English Strong written and verbal communication skills

Advanced proficiency in Microsoft Office (Excel, PowerPoint, Word)

Experience with statistical and problem-solving tools (Minitab, Power BI, Six Sigma, 8D, 5-Why, root cause analysis)
Ability to travel up to approximately 30% (domestic and international), including local travel as needed

Ability to lift equipment up to 30 lbs

Preferred Qualifications Bachelor’s degree in Electrical Engineering, Mechanical Engineering, Computer Science, Industrial Engineering, or related technical field

Why work at BTI?

We’re committed to creating a workplace where employees feel valued, supported, and empowered to grow. Our team benefits from competitive compensation, comprehensive health and wellness offerings, and opportunities for professional development. We are proud to be an equal opportunity employer and make all employment decisions without regard to race, color, religion, sex (including pregnancy, sexual orientation, and gender identity), national origin, age, disability, genetic information, veteran status, or any other legally protected status.

We comply with all applicable federal, state, and local employment laws, including those related to fair hiring practices, pay transparency, workplace safety, and reasonable accommodations. We are dedicated to maintaining an inclusive environment where everyone has the opportunity to succeed and contribute meaningfully.
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