掲載日 ・ 2026/08/04
楽天グループ株式会社
楽天グループ株式会社:1034190 Cloud Engineer – CCoE Section, Cloud Platform Enablement Department (CPED)
非公開
東京都
楽天グループ
インターネットサービス(EC、メディア、アプリ)
クラウドエンジニア
会社名
楽天グループ株式会社
会社概要
未来を信じ、より良い明日を創っていく。
イノベーションを通じて、人々と社会をエンパワーメントする。私たちは、そんな想いを大切に世界の人々に喜びと楽しさを届けます。
楽天は、E コマース、FinTech、デジタルコンテンツ、通信など、70 を超えるサービスを展開し、世界10 億以上のユーザーに利用されています。
これら様々なサービスを、楽天会員を中心としたメンバーシップを軸に有機的に結び付け、他にはない独自の「楽天エコシステム」を形成しています。ダイバーシティ推進は、楽天にとって最優先の企業戦略のひとつです。従業員の出身は70カ国・地域以上。世界中からユニークで多様な文化的背景や視点を持つ優秀な人材が集まり、イノベーションの原動力になっています。社内カフェテリアにはベジタリアン、ハラル対応のメニューを用意。礼拝所(Prayer room)もあります。
また、仕事と育児の両立支援や、障がい者雇用・活躍促進も積極的に推進。社内のLGBT(※1)当事者やアライ(※2)に対して、情報共有やサポート体制の強化も進めています。誰もが自分らしく力を最大限発揮して働ける。それが楽天のダイバーシティです。
70を超えるサービスを提供し、世界30カ国にサービス展開拠点を持ち、従業員の出身国・地域数は100を超え、オープンポジション制度を活用して多様なキャリアを描くことができる点も魅力です。
フレックスタイム制度、事情に応じたリモートワークの活用が可能です。本社には託児所やフィットネスジム、三食無料で利用可能なカフェテリアが併設されるなど、社員を支える環境が整備されています。
ポジション
1034190 Cloud Engineer - CCoE Section, Cloud Platform Enablement Department (CPED)
仕事内容
Position Details
You will be responsible for day-to-day cloud operations across our multi-cloud environment (AWS, Azure, GCP, OCI), while also collaborating with internal teams and vendors, driving improvements to existing cloud environments, and contributing to team knowledge management.
Key Responsibilities
1. Cloud Governance Improvement
- Periodically review and propose improvements to governance policies, security guardrails, and operational rules
- Update and promote best practices based on analysis of organization-wide cloud usage trends
- Propose and implement automation and efficiency improvements for CCoE operations (including scripting and tooling)
- Analyze recurring issues and request patterns, and reflect findings into preventive measures and standardization efforts
2. Cloud Request Handling
- Review and process new public cloud account, project, and subscription creation requests
- Drive approval workflows via Jira tickets
- Verify that request contents meet governance policies and security requirements
- Communicate with requesters to answer questions and request additional information as needed
3. Cloud Configuration & Build Operations
- Perform configuration tasks for IAM, networking, storage, and other cloud resources following Change Management procedures
- Execute operations based on existing runbooks and manuals
- Conduct pre/post-checks, document results, and report outcomes in Jira tickets
- Troubleshoot issues encountered during operations and escalate when necessary
4. Support & Inquiry Handling
- Provide first-line responses to technical inquiries from internal cloud users
- Answer and guide users referencing existing FAQs and documentation
- Escalate unresolved issues to team members
- Record and aggregate inquiry trends to contribute to FAQ and knowledge base improvements
5. Documentation & Runbook Maintenance
- Create and update cloud operation runbooks on Confluence
- Accumulate and organize operation records and team knowledge
- Periodically review and update existing documentation
- Propose process improvements and contribute to operational standardization
6. Cross-team & Vendor Collaboration
- Coordinate and collaborate with internal teams (security, networking, service teams, etc.) on technical matters
- Manage technical inquiries and support cases with cloud vendors (AWS, Azure, GCP, OCI, etc.)
- Participate in regular vendor meetings, gather information on new services, and share relevant updates internally
- Drive smooth cross-team communication in group-wide cloud initiatives
Work Environment
You will work as part of a 12-member team, collaborating with global members. English is the primary language of communication and is used in all daily meetings, Slack interactions, and documentation.
求める経験・スキル
Mandatory Qualifications:
- More than 3 years of hands-on experience operating and configuring public cloud environments (2 or more of AWS, Azure, GCP, or OCI)
- Experience with basic IAM and networking configuration (VPC, subnets, security groups, etc.)
- Experience working with Jira or equivalent ticket management tools
- Ability to execute tasks accurately based on runbooks and manuals
- Basic troubleshooting skills (log analysis, root cause isolation, etc.)
- Business-level English communication skills (meetings, Slack, documentation)
Desired Qualifications:
- Hands-on experience with multiple cloud platforms (2 or more)
- Associate-level or above cloud certification from AWS, Azure, GCP, or OCI
- Experience creating documentation using Confluence
- Basic experience with IaC tools such as Terraform
- Experience with cloud operations that consider security and compliance requirements
- Experience in internal user support or helpdesk roles
- Experience proposing and driving process improvements or standardization
- Experience leveraging AI/LLM tools (e.g., Claude Code) to improve work efficiency
Other Information:
Additional information on English Qualification
TOEIC Score 800 above or possess equivalent abilities