Key Responsibilities Lead end-to-end surface treatment workflows (Cleaning, Polishing, Anodizing, Plating, etc.) from NPI through Mass Production, ensuring seamless transitions between internal and external stages. Hands-on management of in-house Cleaning, Polishing and Laboratory bath analysis. Act as the technical lead for 3rd-party surface treatment vendors. Conduct process audits, review chemical bath reports, and ensure suppliers meet semiconductor-grade purity and cosmetic standards. Lead Failure Analysis (FA) for defects such as pitting, discoloration, or outgassing issues. Distinguish whether defects originated from in-house machining, cleaning, or 3rd-party plating. Drive First Article Inspection (FAI) and process qualification (IQ/OQ/PQ) for new parts. Establish and maintain robust SOPs, WIs, PFMEAs, and Control Plans. Ensure all chemical handling aligns with environmental and safety regulations. Drive yield improvement and cost-down initiatives for both in-house processes an...