Mid-end and backend process technology (WET/Integration/Metal deposition/Lithography engineer)

Role Summary

SPS (Smart Power Stage) products are expected to see significant demand growth from 2025 to 2030, with a particular surge in demand for AI servers. These devices, especially embedded VPS such as PT (Power Tower Module) and VPS (Vertical Power Stage), require Mid-end processes such as Cu-RDL, backside metal, and ultra-thinning of Si, which also help differentiate from competitors.

Renesas is strengthening in-house manufacturing, and as part of this, we plan to develop technologies for these Mid-end processes, secure production capacity and shorten LT through in-house production. These in-house productions are also strongly requested by customers. Going forward, chiplet technology that maximizes performance while reducing manufacturing costs and shortening development periods will increasingly require Mid-end processes such as RDL and bumps.

This time, we are recruiting personnel who understand the structure and characteristics of power devices and can build optimal processes from Mid-end processes such as RDL and OPM to back-side processes and dicing, as we internalize embedded VPS. By acquiring personnel well-versed in Mid-end and backside processes, it becomes possible not only to develop internal processes but also to respond to issues in OSAT.

• We are seeking process engineers in the following four areas:
• 【Roles and Responsibilities】
• ①WET process engineer
• Promotion of WET process development for Mid-end and backend processes of new products
• Technical responses and reporting based on WET process development
• Support for manufacturing line startup and mass production transition
• Promotion of product quality and yield improvement activities
• Support for technology development of new materials and new manufacturing methods related to WET process
• Support for cost reduction activities in traditional WET processes
• ②Integration engineer
• Promoting process development for Mid-end and backend processing of new products
• Technical responses and reporting based on process development
• Support for manufacturing line startup and mass production transition
• Promotion of product quality and yield improvement activities
• Support for technology development of new materials and new manufacture development
• Support for cost reduction activities in conventional processes
• ③Metal deposition engineer
• Promotion of metal deposition process development for intermediate and backend processes of new products
• Technical responses and reporting based on metal deposition process development
• Support for manufacturing line startup and mass production transition
• Promotion of product quality and yield improvement activities
• Support for technology development of new materials and new manufacturing methods related to metal deposition process
• Support for cost reduction activities in traditional metal deposition processes
• ④Lithography engineer
• Promotion of lithography process development for Mid-end and backend processing of new products
• Technical responses and reporting based on lithography process development
• Support for manufacturing line startup and mass production transition
• Promotion of product quality and yield improvement activities
• Support for technology development of new materials and new manufacturing methods related to lithography
• Support for cost reduction activities in traditional lithography-related processes

Requirements

①WET process engineer

• Over 2 years of experience in WET process development or mass production
• Experience in developing or evaluating WET process-related materials
• Experience in developing or evaluating WET process-related equipment
• Degree in engineering (mechanical, materials, electronics, chemistry, etc.)

Preferred

• Basic knowledge of power devices
• Knowledge of reliability testing evaluation
• Practical experience in process improvement and quality control
• Experience in complying with quality standards such as ISO/IATF
• ②Integration engineer
• Over 2 years of experience in semiconductor integration development after metallization
• Basic knowledge of power devices
• Knowledge of reliability testing evaluation
• Practical experience in process improvement and quality control
• Degree in engineering (mechanical, materials, electronics, chemistry, etc.)

Preferred

• Experience in semiconductor package development
• Development experience in wafer process technology startup
• Experience in complying with quality standards such as ISO/IATF
• ③Metal deposition engineer
• Over 2 years of experience in semiconductor metal deposition process development or mass production
• Experience in developing or evaluating metal deposition-related materials
• Experience in developing or evaluating metal deposition-related equipment
• Degree in engineering (mechanical, materials, electronics, chemistry, etc.)

Preferred

• Basic knowledge of power devices
• Knowledge of reliability testing evaluation
• Practical experience in process improvement and quality control
• Experience in complying with quality standards such as ISO/IATF
• ④Lithography engineer
• Over 2 years of experience in semiconductor lithography technology development or mass production
• Experience in developing or evaluating lithography-related materials
• Experience in developing or evaluating lithography-related equipment
• Degree in engineering (mechanical, materials, electronics, chemistry, etc.)

Preferred

• Basic knowledge of power devices
• Knowledge of reliability testing evaluation
• Practical experience in process improvement and quality control
• Experience in complying with quality standards such as ISO/IATF

Benefits

• ルネサスは、「 To Make Our Lives Easier 」（人々の暮らしを楽“ラク”にする）というPurposeの下、組み込み半導体ソリューションを提供します。高品質とシステムレベルノウハウを兼ね備えた組み込み半導体のリーダーとして、自動車、産業、インフラ・IoT分野向けに、ハイパフォーマンスコンピューティング、組み込みプロセッシング、アナログ＆コネクティビティ、そしてパワーを含めた幅広い製品ポートフォリオを軸とした、スケーラブルで包括的なソリューションを提供しています。
• ルネサスは、30か国以上で22,000 人を超える多様性あふれる従業員と共に、限界に挑戦しながら、デジタライゼーションを通じてユーザエクスペリエンスを充実化させ、新たなイノベーションの時代を切り開いていきます。そして世界中の人々やコミュニティの未来のために、持続可能で省エネ効果の高いソリューションの開発に全力で取り組み、「 To Make Our Lives Easier 」を実現します。
• ルネサスで実現できること
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• やりがいとインパクトのある仕事をする： 革新的な製品とソリューションの開発に関わることにより、世界中のお客様のニーズに応えると同時に、人々の生活をより便利で安全かつ安心なものにすることに貢献できます。

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• 自分の力で成功を掴み、キャリアを築く準備はできていますか？
• ルネサスで一緒に 未来を形づくっていきましょう 。
• 当社では、ハイブリッド勤務モデルを採用しており、従業員は週に2日間リモートワークを行うことができます。同時に、残りの日はチームとしてオフィスに集まり、協働を強化しています。出社指定日は火曜日から木曜日で、イノベーション、コラボレーション、そして継続的な学習に取り組む日としています。