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Job ID : 1602726 Date Updated : July 16th, 2026
リモートワーク、ハイブリッド勤務可

【外資系通信インフラ企業】 クラウドエンジニア(Kubernetes・OpenShift|時給5000円〜応相談

Location Tokyo - 23 Wards
Job Type Contract
Salary Negotiable, based on experience

Work Style

Remote Work and WFH Casual Clothing Side Business Ok Minimal Overtime Flex Time

Job Description

世界有数の通信インフラを支える外資系企業で、Kubernetes・OpenShiftを活用した大規模クラウド基盤に携わりませんか。

グローバルエンジニアリングチームと連携しながら、設計・運用・自動化まで幅広く担当し、クラウドネイティブ技術の専門性をさらに高められる環境です。

高可用性が求められるミッションクリティカルなシステムで培った経験を活かし、より大規模なプロジェクトに挑戦したい方に最適なポジションです。



主な職務内容

  • エンタープライズ向けクラウドインフラの設計・構築・運用・保守
  • Kubernetes、OpenShiftを中心としたコンテナプラットフォームの管理・最適化
  • 高可用性クラウドサービスの監視、障害対応、トラブルシューティング
  • 厳格なChange Controlプロセスに沿ったインフラ変更管理
  • **Infrastructure as Code(IaC)**や構成管理ツールを活用した運用自動化
  • グローバルエンジニアリングチームと連携し、クラウド基盤の信頼性・性能向上を推進すること
  • ※24時間365日の本番環境サポート体制(シフト・休日対応含む)となります

Are you an experienced Cloud Engineer looking to work with cutting-edge cloud-native technologies in Japan? We are seeking a bilingual Cloud Engineer to support and optimise large-scale, mission-critical cloud platforms for a global telecommunications leader.

Based in Tokyo, you'll play a key role in designing, maintaining, and enhancing enterprise cloud infrastructure while working with Kubernetes, OpenShift, Azure, and DevOps technologies. This is an exciting opportunity to collaborate with international engineering teams, improve highly available production environments, and develop your expertise in modern cloud operations.

Only for candidates residing in Japan.



Key Responsibilities

  • Design, deploy, and maintain enterprise cloud infrastructure supporting mission-critical production systems.
  • Administer and optimise container platforms including Kubernetes, OpenShift, and related cloud technologies.
  • Monitor, troubleshoot, and resolve incidents to ensure high availability and platform reliability.
  • Execute infrastructure changes while adhering to strict Change Control and operational governance procedures.
  • Automate operational processes using Infrastructure as Code, configuration management, and DevOps tools.
  • Collaborate with global engineering teams to continuously improve cloud platform performance and operational efficiency.
  • Participate in a 24/7 production support rotation, including shift work and weekend support as required.

General Requirements

Minimum Experience Level Over 6 years
Career Level Mid Career
Minimum English Level Business Level
Minimum Japanese Level Fluent
Minimum Education Level Bachelor's Degree
Visa Status Permission to work in Japan required

Required Skills

必須条件 経験・資格:

  • クラウドエンジニア、インフラエンジニア、DevOps、プラットフォームエンジニアとしての実務経験4〜6年以上
  • Microsoft Azureの実務経験(AWSまたはGoogle Cloud Platformでも可)
  • Kubernetes、OpenShift、Dockerなどコンテナ技術の実務経験
  • Red Hat、CentOS、UbuntuなどLinuxサーバー管理経験
  • Ansible、PuppetなどIaC・構成管理ツールの利用経験
  • Python、Go、Java、Rubyなどによるプログラミングまたはスクリプト開発経験
  • 大規模本番環境での運用・障害対応経験
ソフトスキル:
  • 優れたコミュニケーション能力
  • 文化の壁を越えたコラボレーション・チームワーク能力
  • 優れた分析力と問題解決能力
語学力:
  • 日本語:流暢
  • 英語:ビジネスレベル
歓迎条件
  • 通信業界または大規模エンタープライズ環境でのクラウド運用経験
  • CI/CDパイプラインやクラウド自動化に関する知識
  • モニタリング、オブザーバビリティ、パフォーマンス最適化ツールの利用経験
  • クラウド関連資格またはKubernetes認定資格
  • ITILなど標準運用プロセスに基づく業務経験
この求人がおすすめの理由
  • 時給5,000円〜応相談の高待遇
  • Azure・Kubernetes・OpenShift・Docker・DevOpsなど最新クラウド技術に携われる
  • リモートワーク・ハイブリッド勤務など柔軟な働き方
  • フレックスタイムあり
  • 残業少なめ
  • 技術研修・資格取得支援などキャリアアップ制度が充実
  • グローバルエンジニアと協働し、大規模クラウド基盤に携われる

Required Skills and QualificationsExperience:
  • 4-6+ years of experience in Cloud Engineering, Platform Engineering, Infrastructure Engineering, or DevOps.
  • Hands-on experience with cloud platforms such as Microsoft Azure (AWS or Google Cloud Platform experience is also advantageous).
  • Strong experience with Kubernetes, OpenShift, Docker, or other enterprise container orchestration platforms.
  • Solid Linux system administration experience with Red Hat, CentOS, or Ubuntu.
  • Experience with Infrastructure as Code (IaC) and configuration management tools such as Ansible or Puppet.
  • Programming or scripting experience using languages such as Python, Go, Java, or Ruby.
  • Proven experience supporting enterprise-scale production environments and resolving critical infrastructure incidents.
Soft Skills:
  • Excellent communication and stakeholder management skills within multicultural, global environments.
  • Strong analytical and troubleshooting abilities with a proactive approach to problem-solving.
  • Ability to work effectively under pressure in mission-critical production environments.
  • Collaborative mindset with the ability to work across geographically distributed engineering teams.
  • Highly organised with strong attention to operational quality and continuous improvement.
Language Requirements:
  • Japanese: Fluent
  • English: Intermediate to Business Level
Preferred Skills & Qualifications
  • Experience supporting telecommunications or other large-scale enterprise infrastructure environments.
  • Knowledge of CI/CD pipelines and cloud automation best practices.
  • Experience with production monitoring, observability, and performance optimisation tools.
  • Relevant cloud or Kubernetes certifications are highly desirable.
  • Experience working within global organisations using ITIL or structured operational processes.
Why You'll Love Working Here
  • Competitive hourly rate of ¥5,000-¥6,000.
  • Opportunity to work with modern technologies including Azure, Kubernetes, OpenShift, Docker, and DevOps.
  • Hybrid and remote working opportunities with flexible work arrangements.
  • Casual dress code, flexible working hours, minimal overtime, and side business permitted.
  • Continuous technical learning, certification support, and long-term career development.
  • Collaborate with highly skilled international engineering teams on enterprise-scale cloud platforms.

Job Location

  • Tokyo - 23 Wards

Work Conditions

Job Type Contract
Salary Negotiable, based on experience
Industry Bank, Trust Bank

Job Category