This position is based in Kunshan, China. OSAT Supplier and Engineering Management (20%) Serve as Semtech's primary assembly engineering representative at OSAT partners, managing technical relationships and driving accountability for process performance and yield targets. Lead process qualifications, new product introductions (NPI), and technology transfers at OSAT sites, ensuring compliance with Semtech's design rules, reliability standards, and quality requirements. Conduct regular supplier engineering reviews, including process capability assessments, failure analysis reviews, and corrective action follow-ups. Evaluate and qualify new OSAT suppliers or new packaging platforms in alignment with business strategy. Process Engineering & Yield Improvement (30%) Own assembly yield and process quality metrics across assigned OSAT partners; lead structured root cause analysis (RCA) and 8D corrective actions for assembly-related excursions. Drive continuous improvement initiatives in assembly process efficiency, material utilization, and cycle time reduction. Review and approve OSAT process control plans, PFMEA documentation, and engineering change requests (ECRs/ECNs) working closely with the Supplier Quality Engineering team Partner with product and design engineering teams to provide DFM (Design for Manufacturability) feedback during product development. Quality & Reliability (20%) Partner with Quality organization to investigate and drive corrective actions for field returns, quality incidents, and customer complaints related to manufacturing Establish and monitor manufacturing quality metrics including DPPM, first pass yield, Cpk, and reliability test results Technical Leadership & Team Development (15%) Integration of processes, best practices and transfer technology from internal manufacturing site to OSATs where appropriate Stay current with industry trends in advanced packaging (wirebond, flip chip/FCCSP, eWLB fan-out, SiP, BGA) and identify opportunities to apply emerging technologies to Semtech's product roadmap. Collaborate with the Manufacturing Engineering Director to define assembly technology roadmaps and supplier capability development plans. Develop capabilities of direct reports and share best practices with peers proactively Cross-Functional Collaboration (15%) Work closely with Supply Chain, Quality, and Product Engineering teams to align on supplier performance, material qualifications, and production readiness. Represent assembly engineering in internal program reviews, customer escalations, and supplier business reviews (QBRs/SBRs) • #LI-Remote