Lithography Engineer (Middle & Back-end Process)
RenesasJob Title
Lithography Engineer (Middle & Back-end Process)
Role Summary
Responsible for development and transfer of lithography processes for middle and back-end semiconductor manufacturing (e.g., Cu-RDL, backside metal, ultra-thin Si) to enable in-house production and mass transfer of power-stage and chiplet products. Based in the Manufacturing department at the Saijo site, the role supports line startup, yield and quality improvements.
Focus is on process development, production readiness, and cost/quality optimization for embedded power products.
Experience Level
Entry-level — requires at least 2 years of relevant lithography development or volume-production experience.
Responsibilities
Typical responsibilities include:
- Develop and scale lithography processes for middle and back-end production.
- Provide technical analysis and reporting from lithography process development.
- Support manufacturing line startup and transfer to mass production.
- Drive product quality and yield improvement activities.
- Evaluate and qualify new materials and methods for lithography applications (including thick resists and backside exposure).
- Support cost-reduction activities for existing lithography processes.
Requirements
Must-have and preferred qualifications:
- Must: 2+ years experience in lithography process development or volume production.
- Must: Experience in development or evaluation of lithography-related materials.
- Must: Experience in development or evaluation of lithography equipment.
- Preferred: Basic knowledge of power devices.
- Preferred: Reliability test evaluation knowledge.
- Preferred: Practical experience in process improvement or quality management.
- Preferred: Experience with quality standards such as ISO or IATF.
Education Requirements
Technical degree required: Bachelor's degree (or equivalent) in engineering or a technical field such as mechanical, materials, electrical/electronic, chemistry, or related disciplines.
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.
