通信インフラ設計・構築（キャリア・ISP系）/東京23区の転職求人一覧

Senior Cloud Engineer @ Fast-Growing AI Tech Startup■About the CompanyA cutting-edge tech venture delivering AI-driven products that elevate brand value, rapidly expanding its scalable cloud footprint across Asia.■Role OverviewYou will be responsible for operating and maintaining the AWS cloud infrastructure across the company’s entire product portfolio. Collaborating closely with senior engineers across Infrastructure, DevOps, and SRE, this role ensures high system reliability, observability, and scalability while automating operational workflows.■Main tasks include:・Operate and maintain AWS cloud infrastructure following defined procedures and IaC standards・Implement and enhance observability configurations, including metrics, logs, and monitoring dashboards・Conduct initial incident detection, triage, and collaborate on post-mortem root cause analysis・Maintain and perform minor updates to existing Terraform and AWS CDK codebases・Operate CI

Lead Cloud Engineer @ Global AI Tech Enterprise■About the CompanyA global, multi-cultural tech company leveraging advanced AI and robust internal data platforms to empower enterprise brands.■Role OverviewYou will be serving as a Tech-Lead Cloud Engineer to architect, build, and scale the AWS cloud infrastructure across Company's entire product portfolio, driving reliability, security, and developer productivity in a hybrid work environment.■Main tasks include:・Architect, build, and operate scalable AWS cloud infrastructure across all products・Lead technical projects, cross-functional alignment, and strategic architecture improvements・Drive CI/CD pipeline automation, release management, and developer experience・Implement robust observability, SLI/SLO tracking, and incident management standards・Manage cloud cost optimization and ensure enterprise-level security compliance・Mentor engineering team members and establish documentation best practic

【海外拠点赴任有】グローバルインフラエンジニア～プロジェクトマネジャー（ニューヨーク・ロンドン・シンガポール・上海）大手銀行グループのIT戦略を支える次世代インフラ（ワークプレイス、クラウドインフラ等）の導入を推進するとともに、企画、PoC（概念実証）から実装までをトータルでご担当いただきます。海外向けのクラウドインフラやOAを担当とするチームで、大手グループのグローバル戦略に基づいたシステム設計や運用、アプリケーションの開発など、グローバル＋インフラ技術を活かした貴重かつチャレンジングな業務経験を積むことが可能です。【業務内容例】　・大手銀行グループ各社の海外支店向けM365システムの導入・運用　・大手銀行グループ各社の海外支店向けOA環境の構築・運用　・大手銀行グループ各社の海外支店向け端末の管理、セキュリティ対策の実施　・海外向け金融業務システムのインフラ構築・運用　・海外向け業務アプリケーションの開発（スクリプト、ローコード他）【やりがい・当本部の魅力】・グローバル＋インフラという貴重な開発経験を積むことが可能です。・海外独自の事情を考慮したより高い目線でのシステム開発に携わることができます。・海外ユーザーとのやり取りを通じてローコード開発やスクリプトなどの開発を経験できます。・海外ユーザーとの業務システム要件のやり取りを通じて英語力強化に繋げることができます。・プロジェクトの状況により、海外出張やトレーニーなど海外勤務を経験する可能性もあります。・メンバーは穏やかでオープンな人柄の方が多く、技術共有や相談がしやすい風土が根付いています。勉強会やナレッジ共有も比較的活発に行われています。

インフラ領域においては、技術推進の専門性に関する能力を高め課題解決を行い、AWSを初めとしたクラウドエンジニアの育成およびプロジェクトの拡大を事業の柱として活動しており、この度、AWSプロジェクトの拡充に伴いまして、クラウド領域において共に成長していくお仲間を探しています。お任せしたい業務■要望ヒアリングから要件定義、設計、構築、運用保守■プロジェクト推進■チームメンバーに対して開発サポートを行い技術でチームの生産性を向上■システム面での課題やプロジェクト課題に対し最適な解決方法の提案■急拡大をする部門の組織づくり、マネジメントコンサルシフトの社内支援■若手インフラエンジニアの育成・教育

【Department Overview/ 部署概要】They are responsible for all DNS servers and products. Thier top priority is ensuring that the DNS is stable, high-quality, and robust.DNS is an important component of the infrastructure, so they are always closely aligned with other infra teams (Networking, Data Center, Server, etc.) and stakeholders, including group companies, in both daily work and internal projects.【Position Outline/ 依頼概要】You work in accordance with the manager and leaders on DNS-related DevOps tasks and user support, collaborating with team members and relevant departments.※1) For the first 1.5-2 months, you will be required to commute to the office daily as part of your On-the-Job Training (OJT) period. After this OJT period, your manager will determine the number of days you must commute to the office per week, in accordance with the cv company's rules.※2) After OJT, there will be night shifts (work during late-night hours) about once a mont

【Global Next-Generation Mobility & Technology Group】■ Position: Infrastructure Engineer (Observability Platform)■ Reporting to: Infrastructure Engineering Lead■ Location: Tokyo (Nihonbashi)■ Work Style: Hybrid Work (Up to 2 days remote/week) | 9:00 - 18:00 (No overtime expected)■ Compensation: Based on experience (Dispatch Contract)■ Responsibilities:・ Architect, operate, and continuously improve shared observability platforms integrated with cloud-native container environments.・ Design and maintain scalable telemetry pipelines for metrics, logs, and traces across distributed cloud workloads.・ Build reusable automation, tooling, and observability-as-code solutions to enable developer self-service.・ Administer centralized monitoring platforms, including access management, system configurations, and operational lifecycles.・ Author and maintain technical runbooks, architecture patterns, and team onboarding guides.・ Partner with internal enginee

【Department Overview/ 部署概要】日本のランキングサービス（ユーザ向けシステム）。様々なジャンルに人気アイテムをお客さんに紹介する目標でサービスを提供してますThe hiring position belongs to Japan's Ranking service. It is a customer facing service to showcase items which are popular in various genres.【Position Outline/ 依頼概要】ランキングのシステムを構成するWebアプリケーション及びビッグデータ処理アプリケーションの各種開発業務。An application engineer for Ranking system development & management. Application type includes Backend Big Data based processing application & Web Application (API and Website development)【Responsibilities/ 担当業務】An application engineer for Ranking system development & management. Engineer should be able understand business requirement to design, develop, test and write operation manuals. Application type includes Backend Big Data based processing application & Web Application (API and Website development)Needs to drive system improvement (e.g. refactoring, adopting appropriate technologies, system architectural evolution, and optimizing the

◆概要フィンテック事業のプロダクトやサービスのテスト自動化など品質の向上や改善にコミットしていただきます。◆仕事内容（一例）- テストケースの設計とテスト自動化の実施- 不具合の報告と追跡、品質改善の提案#LI-Hybrid#LI-KN

・Strategic Infrastructure Leadership: Oversee global strategy, architecture, and governance for IT infrastructure across diverse environments.・Operational Excellence & Alignment: Drive sustainable operating models, lifecycle management, and continuous improvement to ensure infrastructure development remains consistent and fully aligned with business priorities.・Leadership & Stakeholder Partnership: Build and coach high-performing senior leadership teams while collaborating with cross-functional stakeholders to optimize investment and service outcomes.#LI-Hybrid#LI-KN