Back-end Production Process Engineer

Job Title

Back-end Production Process Engineer

Role Summary

Work on assembly-line production engineering for high-quality automotive SoC products at the Oita (Nakatsu) factory and lead the startup of a new assembly line for AI-related power modules. The role covers process, equipment, and materials in back-end semiconductor manufacturing.

Primary mission: improve productivity, quality, and yield for existing automotive SoC lines and establish robust production for new AI power-module products.

Experience Level

Mid-level. Requires prior hands-on experience in semiconductor back-end (post-process) manufacturing; specific years not specified.

Responsibilities

Expected day-to-day responsibilities include process improvement, equipment qualification, and production ramp activities.

• Improve productivity, quality, and yield for automotive SoC assembly lines at the Oita (Nakatsu) factory.
• Plan and execute startup and ramp-up of new AI-related power-module assembly line.
• Develop and optimize assembly processes, tooling, and material usage.
• Troubleshoot production issues and implement corrective actions.
• Qualify and commission production equipment and fixtures.
• Implement process control, inspection methods, and yield-improvement measures.
• Prepare technical documentation, work instructions, and handover materials for production teams.
• Collaborate with cross-functional teams (quality, R&D, suppliers) to meet production targets.

Requirements

Must-have and desirable technical skills and experience.

• Must-have: Practical experience as a semiconductor back-end/post-process engineer.
• Must-have: Hands-on engineering experience in at least one of: package sealing, marking/printing, or package dicing.
• Nice-to-have: Broad knowledge of semiconductor assembly processes.
• Nice-to-have: Experience with image-based inspection technologies.
• Nice-to-have: Knowledge of statistics for process control and quality improvement.
• Nice-to-have: Quality-management experience and effective presentation skills.

Education Requirements

Not specified.

About the Company

Company: Renesas

Headquarters: Hitachinaka, Japan

Renesas is a global leader in embedded semiconductor solutions, providing high-quality products across automotive, industrial, infrastructure, and IoT sectors. With over 22,000 employees in more than 30 countries, the company focuses on scalable solutions that enhance user experience and drive innovation while committed to sustainability and energy efficiency.