Technical Support Engineer - Windows Networking

Reposted An Hour Ago
Be an Early Applicant
Tokyo, JPN
In-Office
Entry level
Software • Quantum Computing • Metaverse • Infrastructure as a Service (IaaS)
The Role
Provide advanced technical support for enterprise customers using Windows Server and Client networking environments. Troubleshoot complex TCP/IP, DNS, DHCP, routing, authentication, access control, performance, memory dump, and packet analysis issues. Lead difficult customer cases through resolution, explain technical findings clearly, and collaborate with escalation engineers and development teams. Use Copilot and generative AI to improve investigation efficiency and customer service quality.
Summary Generated by Built In
Overview

Customer Service & Support (CSS) において、Windows OS を基盤としたネットワーク領域の高度技術サポートを担うエンジニアを募集しています。 

 

本ポジションは、単なる問い合わせ対応ではありません。企業システムを支える重要インシデントに対し、Windows の内部動作やネットワークプロトコルの挙動まで踏み込み、論理的に原因を特定し、解決まで主体的にリードする役割です。 

 

CSS には、技術議論を歓迎する文化があります。年次や肩書きではなく、技術的な深さと論理性によって評価される環境です。若手であっても実力次第で高度な案件に挑戦でき、上級資格保有者や豊富な外資経験者と対等に議論できる土壌があります。 

 

また本ポジションでは、Copilot をはじめとする各種生成AIを積極的に活用した技術調査、ナレッジ検索、顧客コミュニケーションを前提としています。 

AIを効果的に活用しながら、高い生産性と品質を両立できる方を歓迎します。 

 

英語は必須要件ではありませんが、国内外のエスカレーションエンジニアや開発部門と連携しながら、グローバル規模の技術課題に挑戦できる環境があります。 


Responsibilities

本ポジションでは、有償サポート契約を締結している法人顧客を中心に、Windows OS に関連するネットワークおよびインフラ領域の高度な技術支援を提供します。 

 

主な業務内容:

  •  Windows Server / Client に関する高度な技術サポート 
  • Network 技術を中心とした複雑なトラブルシューティング 

            - TCP/IP、DNS、DHCP、Routing、IPv4 / IPv6 

            - SMB、HTTP(S)、TLS 

            - ネットワークパケット解析(Wireshark等) 

  • OS / Network / 認証基盤を俯瞰した問題分析および迅速な切り分け 
  • Active Directory および認証・アクセス制御に関する調査 
  • パフォーマンス解析、メモリダンプ解析 
  • 国内エスカレーションエンジニアおよび開発部門との技術連携 
  • 顧客影響と技術的に難易度の高いケースを主体的に解決まで推進 
  • Copilotや生成AIを活用した調査効率化および高品質な顧客対応の実現 

Network を起点に、Windows の内部実装や設計思想まで理解し、発生している事象と次に取るべき対応を論理的に説明し、顧客に納得感を持っていただくことが求められます。 


Qualifications

Required Qualifications 

  • 理工系分野(情報、電気、通信など)の学士号、または同等の実務経験 
  • TCP/IP、DNS、DHCP、Routing、IPv4 / IPv6 など CCNA 相当以上のネットワーク基礎力 
  • プログラミング経験を有し、ネイティブコードの読解およびデバッグ能力 
  • Windows 環境における複雑な技術課題のトラブルシューティング経験 
  • 技術的に難易度の高い顧客ケースを主体的に対応した経験 
  • 技術的内容を論理的かつ分かりやすく顧客に説明できるコミュニケーション能力 

  • 指示待ちではなく、自ら課題を構造化し判断・行動できる主体性 

  • スピード感と高い当事者意識を持ち、問題解決を最後までやり切る推進力 

  • 生成AIや各種ツールを活用しながら業務生産性を高められる能力 

 

Language Qualifications 

  • 日本語:ビジネスレベルの日本語能力。読み書き会話。
  • 英語:英文技術文書の読解力。日常会話ができれば尚可。 

* 英語は必須ではありませんが、AIを使って技術情報の調査やグローバルチームとの連携に前向きに取り組める姿勢を歓迎します。 


Preferred Qualifications 

  • 理工系分野の修士号 
  • C 言語によるプログラミング経験、及びネイティブコードの読解およびデバッグ能力 
  • CCIE などの上級ネットワーク資格 
  • 外国のエンジニアと技術的な議論ができる英語力 
  • 大規模インシデント対応経験 
  • 顧客の管理職・意思決定者と調整しながら課題解決を推進した経験 
  • 技術的詳細をビジネスインパクトに翻訳し、マネジメント層へ説明できる能力 
  • AIを活用した業務改善や自動化の実践経験 

This position will be open for a minimum of 5 days, with applications accepted on an ongoing basis until the position is filled.



Microsoft is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, citizenship, color, family or medical care leave, gender identity or expression, genetic information, immigration status, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran or military status, race, ethnicity, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable local laws, regulations and ordinances. If you need assistance with religious accommodations and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations.

Skills Required

  • Bachelor’s degree in information technology, electrical engineering, communications, or a related technical field, or equivalent practical experience
  • Networking fundamentals equivalent to CCNA level, including TCP/IP, DNS, DHCP, routing, IPv4, and IPv6
  • Programming experience with ability to read and debug native code
  • Experience troubleshooting complex technical issues in Windows environments
  • Experience independently handling technically challenging customer cases
  • Ability to explain technical topics logically and clearly to customers
  • Ability to structure problems, make decisions, and act independently
  • Strong ownership, urgency, and ability to drive problems through resolution
  • Ability to improve productivity using generative AI and other tools
  • Business-level Japanese proficiency in reading, writing, and conversation
  • Ability to read technical documentation in English
  • Master’s degree in a technical field
  • C programming experience and native-code reading and debugging ability
  • Advanced networking certification such as CCIE
  • English ability sufficient for technical discussions with international engineers
  • Experience responding to large-scale incidents
  • Experience driving resolution while coordinating with customer managers and decision-makers
  • Ability to translate technical details into business impact for management
  • Practical experience improving or automating work using AI

Microsoft Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Microsoft and has not been reviewed or approved by Microsoft.

  • Healthcare Strength — Health coverage is described as comprehensive, with preventive care coverage, vision options, and annual out-of-pocket limits. Feedback suggests medical, mental-health, and disability support are a major strength of the package.
  • Parental & Family Support — Family support is expansive, including parental leave, family caregiver leave, child-care assistance, family concierge services, fertility options, and college-advising support for eligible employees. Feedback suggests these benefits meaningfully ease caregiving and family planning demands.
  • Wellbeing & Lifestyle Benefits — Wellbeing resources include counseling and employee-assistance services, wellness reimbursements, product discounts, and charitable-matching programs. Feedback suggests these extras complement core benefits and support day-to-day quality of life.

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Year Founded: 1975

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