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

Role & Responsibilities:As a Senior SRE, you will serve as a guardian of system availability and performance. You will be responsible for defining and monitoring SLOs, automating infrastructure lifecycles, and leading incident response efforts. By leveraging modern cloud architecture and IaC practices, you will minimize operational toil and build golden paths that enable development teams to deliver secure, high-quality code at speed. You will play a central role in complex system design, ensuring that massive-scale transactions remain stable, redundant, and highly available.Main tasks include:■ Design and maintain SLI/SLOs for critical services in collaboration with cross-functional teams.■ Architect resilient systems for failover, redundancy, and disaster recovery to ensure data integrity.■ Forecast resource demand and lead capacity planning for cost-effective scaling.■ Develop and execute CI/CD pipelines using IaC and container orchestrat

■ご紹介する企業世界各地に拠点を構えるグローバルIT企業。最先端技術と豊富なリソースを武器に、日本企業のDX推進を強力にバックアップしています。■ポジション概要本ポジションでは、AWS、Azure、GCP などの主要クラウドプラットフォームやインフラの知識と経験を活かし、以下の業務を担当していただきます。【主な業務内容】• 顧客のクラウド導入(AWS,Aure,GCPなど)における設計・構築・運用• 要件に応じたシステム構成の提案および改善• オンプレミス環境からクラウド環境(AWS,Aure,GCPなど)への移行プロジェクトの推進• クラウドネイティブ技術(Docker、Kubernetesなど)の活用• セキュリティ・運用管理#LI-Hybrid#LI-KN

■ご紹介する企業について世界中のあらゆる組織のデジタルトランスフォーメーションを支援する、グローバルIT企業です。Cloud Platform を通じて、革新的なテクノロジーとエンタープライズクラスのソリューションを提供し、お客様の成長とビジネス課題の解決をサポートしています。■ポジション概要Cloud Consultingチームにて、既存の企業向けアプリをクラウドネイティブ化し、リリース頻度や信頼性の向上を支援。戦略立案からコード実装まで、技術面から顧客の変革をリードします。■業務内容・既存アプリのクラウド移行戦略策定・マイクロサービス化等の設計と実装・GCPへのデプロイと最適化の実行・技術的なベストプラクティスの提供・プロダクト開発チームへの改善提案・障害耐性とスケーラビリティの確保#LI-Hybrid#LI-KN

As a Senior Infrastructure Operations & Improvement Engineer, you will be instrumental in managing and enhancing our client's expansive Kubernetes container platform. This role involves ensuring the stability of the platform, optimizing its performance, and providing expert support to internal users, all while maintaining high standards of security and operational efficiency.Main tasks include:■ Create and refine operational procedures and documentation.■ Perform node and cluster construction and deletion.■ Handle alerts and incidents, ensuring prompt resolution.■ Meet security requirements through OS and middleware updates and patching.■ Conduct work during late-night hours for releases and monitoring.■ Address escalated user support inquiries that require advanced expertise.

Lead critical infrastructure operations for a premier luxury brand, driving efficiency and innovation in a dynamic environment.■ About the companyOur client is a globally recognized leader in the luxury industry, celebrated for its exquisite craftsmanship and commitment to unparalleled quality. With a strong focus on innovation and customer experience, the company offers a sophisticated and rewarding work environment.■ Role & ResponsibilitiesAs the Infrastructure Manager, you will oversee the design, implementation, and maintenance of the company's IT infrastructure. While ensuring the reliability, security, and scalability of all systems, managing a dedicated team to support the company's high standards and evolving technological needs.■ Main tasks include・Oversee the planning, design, and execution of infrastructure projects.・Manage and maintain server, network, and storage environments.・Implement and enforce IT security policies and proce

Lead critical global infrastructure projects in Japan for a leading technology firm.＜About the company＞Our client is a prominent technology firm recognized for its innovation and global reach. They are dedicated to advancing technological solutions and fostering a collaborative environment for their employees.＜Role & Responsibilities＞You will take charge of managing and executing complex global infrastructure projects within Japan. Ensuring the successful delivery of these projects, overseeing timelines, budgets, and stakeholder communications to meet strategic objectives.＜Main tasks include＞■ Lead the planning, execution, and closure of global infrastructure projects.■ Manage project budgets, resources, and timelines effectively.■ Ensure compliance with all relevant regulations and company policies.■ Communicate project status, risks, and issues to stakeholders and senior management.■ Foster strong relationships with internal teams and exte

Role Overview:As a Senior Golang & Kubernetes Engineer, you will contribute to the development and operation of a large-scale Kubernetes container platform, with a strong focus on building internal platform tooling and automation using Golang.You will work closely with platform and infrastructure teams to develop scalable services that improve cluster operations, automation, and reliability. This role requires a balance of hands-on Golang development and Kubernetes platform engineering, ensuring the stability, scalability, and evolution of the private cloud environment.Key Responsibilities:■ Design and develop internal platform tools and automation using Golang to enhance Kubernetes platform operations.■ Lead system improvement initiatives across the Kubernetes container platform.■ Contribute to the development of cluster/node auto-provisioning, automation, and self-healing capabilities.■ Manage Kubernetes clusters and node provisioning in a

・Cloud Infrastructure Strategy and Optimization: Develop and execute a cloud-first strategy aligned with CCBJI's digital transformation roadmap, driving a hybrid cloud architecture (AWS/Azure). Lead the optimization of Azure-based infrastructure supporting SAP core ERP and integrated applications, ensuring post-migration stability, scalability, and security of SAP workloads using cloud-native services.・Operational Excellence and Critical System Management: Ensure high availability, performance, and security for infrastructure supporting mission-critical systems (SAP, Stibo, data platform). Oversee data center operations, network architecture, and enterprise storage, while supporting the use of real-time data for decision-making across commercial, supply chain, and sustainability areas.・Sustainability, Compliance, and BCP/DR: Implement infrastructure operations aligned with CCBJI's sustainability goals (e.g., energy-saving data centers, Green