Renesas Electronics: Sr Staff Process Engineer — Yonezawa, Yamagata, Japan

About Renesas Electronics

Renesas Electronics develops semiconductors for automotive, industrial, infrastructure and connected-device applications. Its employer description identifies microcontrollers, system-on-chip devices, analogue components and power products within its portfolio. These components form part of electronic systems made by other manufacturers. Renesas also describes combining complementary products into solutions for customers, connecting individual chips with the needs of an end application. Its business therefore involves both semiconductor technology and how that technology is used in wider electronic products.

The position and its setting

Renesas Electronics lists Sr Staff Process Engineer in Yonezawa, Yamagata, Japan, under reference 20025982_2026-02-26. The details below separate the work described by the employer from essential conditions, preferred experience and practical preparation advice.

• Employment type: Full-time
• Employer listing date: 22 October 2026
• Brands: Renesas Electronics

Responsibilities and work described

• 本ポジションでは現在複数名の採用を予定しております。同一内容の求人が複数掲載されている場合がございますが、ご応募は1件のみで問題ございません。ご応募内容は採用チームにて一括で確認させていただきます。
• 【募集背景】
• 当社では、次世代パッケージ技術（Flip Chip、SiP など）の開発を中心に、半導体後工程における技術革新を積極的に推進しています。
• 特に AI・高性能コンピューティング（HPC）、車載、IoT 分野においては、より高密度・高信頼性・高放熱性を備えたパッケージ技術が求められており、FCCSP（Flip Chip Chip Scale Package）や FCBGA といった先端技術の開発が加速しています。
• 本ポジションでは、AI/HPC向けの高密度・高放熱パッケージ、車載・IoT向けの高信頼性パッケージなど、業界最前線の技術開発に携わることができます。
• AIや自動運転など、社会を大きく変革する技術を根幹から支えるパッケージ開発に貢献できる、非常にやりがいのある環境です。
• ・FCLGA、FCCSP、BGAなどの先端パッケージ技術の開発・評価
• ・組立工程（部品実装（SMT)、ソルダーペースト印刷、リフロー工程、樹脂封止工程、個片分離工程）のプロセス開発、改善

Essential requirements and candidate background

• 【MUST】
• ・半導体後工程（組立・パッケージング）の技術開発経験（4年以上）
• ・SMT工程の技術開発経験者（4年以上）
• 【WANT】
• ・FCPackageや高密度パッケージ向けプロセス開発・評価経験
• ・OPM（over pad metallization）/RDL（Redistribution Layer）プロセス開発経験
• ・AI/HPC向けパッケージの開発経験（高信頼性設計）
• ・車載・IoT向けパッケージの信頼性試験・規格対応経験
• ・ISO/IATFなど品質規格への対応経験

Location, schedule and contract conditions

For this overseas or regional listing, confirm work authorisation and any location restrictions with the employer. The location does not establish visa sponsorship or permission to work remotely from India.

• Work arrangement: On-site
• Advertised location: Yonezawa, Yamagata, Japan

Pay and application dates

A verified salary figure is not established in this article. An online estimate for another Sr Staff Process Engineer vacancy is not an offer for reference 20025982_2026-02-26; use the employer’s own pay disclosure and recruitment communication.

A closing date is not confirmed in this article. Check the current employer page before submitting: an undated posting can change or be withdrawn.

How to apply to Renesas Electronics

Applications follow the official employer page linked below.

Open the official Renesas Electronics posting below and match the title and reference 20025982_2026-02-26.

Compare your qualifications and experience with the essential conditions for the Yonezawa, Yamagata, Japan position, then read the preferred criteria separately.

Prepare an accurate CV and the supporting items requested in that employer’s application. Provide only information and documents you are authorised to share.

Use the employer’s application option, complete the required fields and review the submission. Retain the acknowledgement when one is provided. Job Alerts World does not receive the application.

Practical preparation: AI

An AI-related example should make the task and evaluation explicit. Explain the inputs, the system’s intended output and how you checked errors, usefulness or reliability, rather than relying on the model name alone.

Relevant skills

• AI/ML
• ISO
• AI