Assembly Manager / Senior Staff Engineer for Subcon Management

Are you passionate about semiconductor assembly engineering and solving complex manufacturing challenges? In this role, you will drive yield, quality, and process improvements at subcontractors, lead critical technical projects, and contribute to the successful launch of next-generation semiconductor products. Your role Key responsibilities in your new role Manage day-to-day technical operations at assembly subcontractors, focusing on yield, quality, cost, productivity, and delivery. Drive assembly process and performance improvements while monitoring subcontractor KPIs against defined targets. Lead the disposition, analysis, and corrective actions for line disturbances, low-yield lots, maverick issues, and Fab-related concerns. Serve as the first point of contact for technical escalations and provide task-force support for critical assembly issues. Lead 8D reviews with Quality Management, supporting root-cause investigations and improvement actions for customer issues. Manage the safe launch, qualification, and production release of new products, material changes, process changes, and change-management projects. Participate in technical and product change reviews and incorporate key learnings into new products and processes. Coordinate with QM, Product Engineering, Fab, Planning, and subcontractor teams on technical issues affecting production and customer delivery. Review and approve control plans, assembly procedures, specifications, bonding diagrams, marking instructions, and other technical documentation. Support customer and Infineon VDA audits. Your profile Qualifications and skills to help you succeed  Bachelor’s or Master’s degree in Semiconductor Technology, Microelectronics, Automation, Mechanical or Electrical Engineering, Physics, Chemistry, or a related discipline. At least 10 years of hands-on experience in assembly process engineering, project management, or semiconductor subcontractor management. Strong experience in semiconductor assembly processes, such as pre-assembly, die attach, wire bonding, and molding, etc. Demonstrated expertise in assembly yield engineering, failure analysis, statistical data analysis, and data analytics. Practical knowledge of FMEA, 8D, fault-tree analysis, why-why analysis, and structured root-cause investigation. Experience managing technical projects, qualification activities, process/product changes, and formal change-management systems. Knowledge of audit practices, Poka-Yoke, lean manufacturing principles, and assembly process control. Strong communication and interpersonal skills, with the ability to collaborate effectively across functions, cultures, and organizational levels. Professional proficiency in spoken and written English and Korean, with flexibility to travel at short notice for critical assembly topics. #WeAreIn for driving decarbonization and digitalization. As a global leader in semiconductor solutions in power systems and IoT, Infineon enables game-changing solutions for green and efficient energy, clean and safe mobility, as well as smart and secure IoT. Together, we drive innovation and customer success, while caring for our people and empowering them to reach ambitious goals. Be a part of making life easier, safer and greener. Are you in? We are on a journey to create the best Infineon for everyone. We strive to create the best Infineon for everyone by embracing diversity and inclusion. We welcome applicants for who they are and offer a workplace built on trust, openness, respect and equal opportunity.  Our hiring decisions are based on skills and experience. Even if you don’t meet every requirement, we encourage you to apply. Please let your recruiter know if you need any accommodations during the interview process. Learn more about our various contact channels and about Diversity & Inclusion at Infineon. Recruiter: Nathan Kim (Nathan.Kim@infineon.com)