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Location
In office (Tokyo)
Seniority
Junior · 2+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 29, 2026. First seen by Alion on Oct 28, 2026. Micron Technology scores A on the Alion truth index.

Overview
Company
Impact
Profile match
Micron Technology is an American semiconductor company founded in Boise, Idaho in 1978 and one of only a handful of manufacturers of both DRAM and NAND flash memory. It designs and fabricates memory and storage products used in data centres, personal computers, smartphones, cars and industrial equipment, and sells them under the Micron and consumer-facing Crucial brands. High-bandwidth memory for AI accelerators has become the fastest-growing part of the business, and the company operates fabrication and assembly sites across the United States and Asia.

Our vision is to transform how the world uses information to enrich life for all.

Micron Technology is a world leader in innovating memory and storage solutions that accelerate the transformation of information into intelligence, inspiring the world to learn, communicate and advance faster than ever.

職務内容

NANDフラッシュメモリ設計向けのカスタムテスト回路アーキテクチャ を開発・統合・最適化する。対象には、トランジスタレベルのデジタル回路、アナログ回路、ミックスドシグナル回路、監視回路、制御回路、およびメモリアレイとのインターフェース回路が含まれる。

主な業務内容(以下に限定されません)

  • 製品仕様とテスト要件を解釈し、回路機能、インターフェース、動作限界、可制御性 、可観測性 、および検証基準を定義する。
  • テスト回路に関連する回路図 、デバイスサイズ 、バイアス構成、センシング・監視経路、およびマルチプレクサを作成・レビュー・最適化する。
  • 回路のテスト容易性とロバスト性を解析し、品質 、テストカバレッジ 、製造容易性 、消費電力、面積、および信頼性の要件を満たすことを確認する。
  • XAシミュレーション 、Verilogシミュレーション 、およびミックスドシグナル検証環境を用いて、カスタムテスト回路を検証する。
  • マッチング、寄生素子への感度、シールド、配線、ガードリング、デバイス配置、およびレイアウト依存効果 についてレイアウトチームと緊密に連携する。レイアウト後の解析結果をレビューし、課題解決を推進する。
  • リーク、信号の競合、フローティングノード、デバイスへの過大ストレス、電源シーケンス、電流密度、EM/IR 、および長時間ストレス条件など、回路に関わるリスクを評価する。
  • ウェハおよびパッケージレベルでカスタムテスト回路を制御・観測・特性評価・検証するために必要なテストシーケンス とテストモード を作成し、デバッグする。
  • 初回シリコンの立ち上げ、デバッグと特性評価、不良箇所の切り分け、シミュレーションと実シリコンの相関確認、および量産立ち上げにおいて、プロダクトエンジニアリング部門 と連携する。
  • 実験室での測定結果とシリコンデータを用いて根本原因を特定し、回路、テストモード、特性評価、またはスクリーニングの改善を提案する。
  • 中核業務 としてDesign + AI のアプローチを実践する。AI支援およびエージェント型のエンジニアリングワークフローを活用し、技術的な厳密さとサインオフ規律を維持しながら、回路レビュー、シミュレーション結果のトリアージ、波形解析、根本原因調査、自動化、文書作成、および知識検索を効率化する。
  • 設計品質の向上、ターンアラウンドタイムの短縮、およびエンジニアリングの生産性向上につながる、Pythonやスクリプトによる自動化とAI活用ソリューション を開発する。
  • テスト回路の設計・検証手法、仕様、設計上の判断、検証結果、実シリコンとの相関、および明確な技術的提案を文書化する。

必要な資格・スキル

  • 電気工学 、電子工学、コンピュータ工学 、または関連分野の学士号または修士号を有し、2年以上の実務経験があること。
  • カスタム/アナログ回路設計 、ミックスドシグナル設計、メモリ周辺回路設計、またはプロダクトエンジニアリングの関連実務経験があり、トランジスタレベルの回路と実シリコンのデバッグ に関する十分な経験を有すること。
  • CMOSデバイスの動作、トランジスタレベルの回路設計 、リーク機構、寄生素子、PVT感度、タイミング、負荷、ノイズマージン、消費電力、および信頼性の原理を十分に理解していること。
  • 回路の作成・入力、波形のデバッグ、およびレイアウト後の検証に関する実務スキルを有すること。
  • XA または同等の高速トランジスタレベルシミュレーション、Verilog 、およびミックスドシグナル検証手法に習熟していること。
  • NANDフラッシュメモリのアーキテクチャ 、テストモード、周辺回路、内部信号へのアクセス、およびウェハ/パッケージテストにおける考慮事項を十分に理解していることが望ましい。ただし、必須ではない。
  • シミュレーションの自動化、リグレッション解析、結果抽出、波形処理、およびエンジニアリングの効率化に用いるPython とスクリプトに習熟していること。
  • AIによって改善できるワークフローを特定し、AIを活用したエンジニアリングソリューション を開発または適応させ、適切な技術レビュー、データ保護、および技術的判断を行えること。
  • 優れた問題解決能力、細部への高い注意力、および部門横断・グローバルな協業に必要な対人スキルを有すること。
  • 歓迎するスキル: オシロスコープ、ロジックアナライザまたはシグナルアナライザ、ソースメジャー機器、ファンクションジェネレータの使用スキル、およびウェハ・パッケージレベルでの実シリコンのテスト経験。

Job description

  • Develop, integrate, and optimize custom test circuit architectures for NAND flash memory designs, including transistor-level digital, analog, mixed-signal, monitoring, control, and memory-array interface circuits.

Key Responsibilities:

  • Interpret product specifications and test requirements; define circuit functionality, interfaces, operating limits, controllability, observability, and validation criteria.
  • Create, review, and optimize schematics, device sizing, bias structures, sensing and monitoring paths, multiplexers relevant to test circuits.
  • Analyze circuit testability and robustness to ensure compliance with quality, coverage, manufacturability, power, area, and reliability requirements.
  • Validate custom test circuits using XA simulations, Verilog simulations, and mixed-signal validation environments.
  • Collaborate closely with layout teams on matching, parasitic sensitivity, shielding, routing, guard rings, device placement, and layout-dependent effects; review post-layout results and drive closure.
  • Evaluate circuit risks including leakage, contention, floating nodes, device overstress, power sequencing, current density, EM/IR, and long-duration stress conditions.
  • Create and debug test sequences and test modes required to control, observe, characterize, and validate custom test circuits at wafer and package levels.
  • Work with Product Engineering during first-silicon bring-up, debug and characterization, failure isolation, simulation-to-silicon correlation, and ramp to high-volume production.
  • Use laboratory measurements and silicon data to identify root cause and recommend circuit, test-mode, characterization, or screening improvements.
  • Apply a Design + AI approach as a core responsibility by using AI-assisted and agentic engineering workflows to accelerate circuit review, simulation triage, waveform analysis, root-cause investigation, automation, documentation, and knowledge retrieval while maintaining engineering rigor and sign-off discipline.
  • Develop Python or scripting-based automation and AI-enabled solutions that improve design quality, reduce turnaround time, and increase engineering productivity.
  • Document test-circuit methodologies, specifications, design decisions, validation results, silicon correlation, and clear technical recommendations.

Required Qualifications and Skills:

  • Bachelor's or Master's degree in Electrical Engineering, Electronics Engineering, Computer Engineering, or a related field with 2+ years of experience
  • Relevant hands-on experience in custom/analog circuit design, mixed-signal design, memory peripheral circuit design, or Product Engineering with strong transistor-level circuit and silicon-debug exposure.
  • Strong understanding of CMOS device operation, transistor-level circuit design, leakage mechanisms, parasitics, PVT sensitivity, timing, loading, noise margin, power, and reliability principles.
  • Hands-on proficiency with circuit build entry, waveform debug and post-layout verification.
  • Proficiency in XA or equivalent fast transistor-level simulation, Verilog, and mixed-signal validation methodologies.
  • Preferred (not must) solid understanding of NAND flash memory architecture, test modes, peripheral circuits, internal signal access, and wafer/package test considerations.
  • Proficiency in Python and scripting for simulation automation, regression analysis, result extraction, waveform processing, and engineering efficiency.
  • Ability to identify workflows that can be improved through AI, develop or adapt AI-enabled engineering solutions, and apply appropriate technical review, data protection, and engineering judgment.
  • Excellent problem-solving skills, strong attention to detail, and effective interpersonal skills for multi-functional, global collaboration.
  • Nice to have: Laboratory skills using oscilloscope, logic or signal analyzer, source-measure equipment, function generator, and hands-on testing of silicon at wafer and package levels.

About Micron Technology, Inc.

We are an industry leader in innovative memory and storage solutions transforming how the world uses information to enrich life for all. With a relentless focus on our customers, technology leadership, and manufacturing and operational excellence, Micron delivers a rich portfolio of high-performance DRAM, NAND, and NOR memory and storage products through our Micron® and Crucial® brands. Every day, the innovations that our people create fuel the data economy, enabling advances in artificial intelligence and 5G applications that unleash opportunities - from the data center to the intelligent edge and across the client and mobile user experience.

To learn more, please visit micron.com/careers

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran or disability status.

To request assistance with the application process and/or for reasonable accommodations, please contact [email protected]

Micron Prohibits the use of child labor and complies with all applicable laws, rules, regulations, and other international and industry labor standards.

Micron does not charge candidates any recruitment fees or unlawfully collect any other payment from candidates as consideration for their employment with Micron.

AI alert : Candidates are encouraged to use AI tools to enhance their resume and/or application materials. However, all information provided must be accurate and reflect the candidate's true skills and experiences. Misuse of AI to fabricate or misrepresent qualifications will result in immediate disqualification.

Fraud alert: Micron advises job seekers to be cautious of unsolicited job offers and to verify the authenticity of any communication claiming to be from Micron by checking the official Micron careers website in the About Micron Technology, Inc.

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