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Sr Test Operations Engineer

RenesasElectronics

Kodaira, , Japan permanent

Posted: January 16, 2026

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Quick Summary

We are seeking a highly skilled Sr Test Operations Engineer to join our team in Japan. The ideal candidate will have experience in test operations and a strong understanding of software testing methodologies. The successful candidate will be responsible for ensuring the quality and reliability of our products.

Job Description

Position Overview:

Renesas is a global semiconductor company providing hardware and software solutions for a range of cutting-edge technologies including self-driving cars, robots, automated factory equipment, and smart home applications. We are a key supplier to the world’s leading manufacturers of the electronics you rely on every day; you may not see our products, but they are all around you.

Renesas is a global, multi-billion dollar, publicly-traded company headquartered in Japan, and has subsidiaries in 20 countries worldwide. Renesas is a dynamic, multi-cultural technology company where employees learn, mentor, innovate and thrive. Renesas is extending our share in fast-growing data economy-related markets such as infrastructure and data center, and strengthening our presence in the industrial/IOT and automotive segments. Our solutions drive products developed by major innovators around the world. Join us and build your future by being part of what’s next in electronics.

We are looking for Test Product Engineer and this position is expected to provide test manufacturing support for products post manufacturing release and deliver operational excellence through cost reductions, OEE, yield and cycle time improvements to achieve our test KPI goals.

The incumbent will work with our Probe/Test Manufacturing Suppliers in Japan, Taiwan and across Asia to perform the following key functions: 

- Interface with Key Product Line and other functional teams (Planning, Quality, Packaging, Foundry) across US, Japan, Malaysia, and China on all phases of product life-cycle to support key KPI deliverables on Revenue, Gross Margin Improvements, NPI, Quality and Integrations

- Execute day to day sustaining of test manufacturing activities with sub-contractors (Lot Dispositions, Hardware Troubleshooting/Repairs, Equipment up-time, Tester Utilization OEE tracking, Continuous Improvement Process, etc) to ensure delivery fulfillment

- Support overall test capacity expansion and flexibility by coordinating equipment/ hardware movements, build, purchase and buyoff for full production release

- Review and execute best known practices and process to ensure test solutions received is adequate and meets all agreed expectations (example yield entitlements, number of hardware, test times etc.).

- Identify opportunities and execute action plans to drive Gross Margins (OEE, Yield, Retest) improvement and test time reductions to meet targeted yields and cost

- Support respective Product Line Engineering organizations to ensure smooth transition of products from New Product Introduction to High Volume Manufacturing

 

【Must】

•    Minimum Bachelors Degree in Electrical/Electronic Engineering 

•    Preferable with > 3 years of experience in High Volume Semiconductor Manufacturing environment preferably in Test Manufacturing or Test Engineering or Product Engineering role

•    Experience in supporting Test subcontractors/Automotive is a definite advantage

•    Knowledge of analog/digital/power devices and Visual Basic/C/C++ programming

Working knowledge of ATE test equipment (testers, handlers, probers, sockets, changekits)

Experience in use of data analysis tools (any: Galaxy, Datapower, SAaS, MiniTab, etc)

Working with internal or OSAT semiconductor IC factories (test houses) 

•    Proficient with Microsoft Office Software (Word, Excel, PowerPoint, Outlook)

 

【Want】

•    Knowledge of PAT, SBL, SPC, DOE, FMEA and Six Sigma, etc. is an added advantage

 

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

 

• キャリアをスタート、そしてキャリアアップ:4つのプロダクトグループをはじめ、さまざまな部門において技術職として、また幅広いビジネスの経験を積むことができます。ハードウェア、ソフトウェアの専門知識を深めたり、新しいことにチャレンジしたりする機会があります。 

 
• 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。

 
• 「ウェルビーイング」に焦点を置いた環境で最大限に能力を発揮する:ルネサスでは、リモートワーク制度などによる柔軟な勤務体制づくり、また従業員リソースグループの積極的な活動をサポートするなど、インクルーシブな職場環境構築を目指しています。従業員を第一に考えたカルチャーとグローバルなサポート体制が、入社後すぐに活躍できる環境を提供します。 

 

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。

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