Principal Product Engineer

Sustaining Principal Product Engineers ensures product continuity after mass production by manage SPS, controllers and various AI products lifecycle, resolving production/ customer issues, and improving COGS. We are seeking a Product Engineer to join our team with a primary focus on sustaining engineering activities. This role as the Product owner and is critical in ensuring the long-term quality, reliability, and manufacturability of our power IC products. The ideal candidate will collaborate with cross-functional teams—including design, test, manufacturing, and quality—to support mature products in high-volume production, drive yield improvement, resolve customer issues, and extend product lifecycle. Key Responsibilities Product owner to multiple products lifecycles, production and compliance. Oversees high volume AI Products mass production manufacturing across all internal factory and subcons Managing excursions, sustain Product COGS improvement and process optimization such as Yield/Volume/Test Time/failure improvements, manufacturing performance Manage and mitigate risk in PCRB (Process Change Review Board) to keep delivery by supporting product qualifications, second-source/material changes, and process migrations/improvements. Disposition of abnormal lots, low yielding lots or production issues Cross function interface with Operation, QA, Reliability, Factory and OSAT Serve as a mentor for less experienced engineers Analyze product performance, failure modes, and reliability to support customer returns (RMA/FA). Requirements: Proven track record of resolving excursion and improving product COGS for high volume mass production manufacturing factory and subcons At least have a minimum of 12 years’ experience in Product Engineering. Bachelor's Degree Engineering in Electrical/Electronic, Physics, Computer or related fields Proficient in Data manipulation and analysis skill. Familiar with JMP, PDF Exenso is a plus. Product Management skill. Strong sense of Cost,