Job Description:

Business Overview

The Technology Management Division (TMD) provides Corporate IT, and Cyber

Security & Privacy Governance to Rakuten Group companies and essential business management for technology organizations, thereby enabling innovation and strengthening the technology foundation. Within TMD, the Corporate IT Supervisory Department (CITD) drives Rakuten Group’s global corporate IT services and infrastructure. Our mission is to empower Rakuten through innovative and secure IT solutions that enhance efficiency and foster productivity.

Department Overview

The Corporate IT Infrastructure Department (CITID) provides the stable and reliable technological foundation that supports Rakuten's global business operations. We deliver simple, secure, and robust infrastructure services with operational and engineering excellence, managing core infrastructure, enterprise collaboration platforms, development support tools and project management.

Position:

Position Details

・Administer and enhance Jira, Confluence, and Jira Service Management Cloud.

・Design workflows, permissions, schemes, spaces, projects, dashboards, automations, and integrations.

・Translate business requirements into secure, maintainable platform solutions.

・Success means teams have dependable, intuitive tools that support their processes without unnecessary complexity.

・Plan and execute migration activities from self-managed Atlassian products to Cloud.

・Prepare data, coordinate backups, support test migrations, resolve data inconsistencies, and validate production outcomes.

・Maintain a migration run book and document key decisions, risks, dependencies, and results.

・Success means migrations are tested, traceable, and completed with minimal disruption to users and business operations.

・Assess third-party Marketplace applications and their Cloud migration pathways.

・Coordinate with Marketplace vendors and internal stakeholders to confirm that required use cases are supported.

・Support integrations with development, service management, identity, and connected collaboration platforms.

・Success means applications and integrations provide the required capability while meeting security, supportability, and compliance expectations.

・Investigate and resolve platform incidents, configuration issues, access problems, and migration defects.

・Participate in agreed production migration windows and post-migration validation.

・Use appropriate monitoring, documentation, escalation, and audit practices.

・Success means issues are resolved promptly, operational knowledge is retained, and platform services remain stable.

・Apply least-privilege access and appropriate permission models.

・Maintain clear ownership of sites, projects, spaces, applications, and integrations.

・Review high-impact changes, protect sensitive data, and support auditability.

・Success means the Atlassian environment is controlled, transparent, and aligned with organizational security standards.

・Partner with Customer Success, service owners, and business teams on communications and training.

・Create practical documentation, FAQs, knowledge resources, and user guidance.

・Help teams adopt Cloud capabilities and improve ways of working.

・Success means users understand the changes, adopt the tools confidently, and realize measurable value from the platform.

・Own day-to-day engineering and administration of Atlassian Cloud products.

・Lead or contribute to platform migrations, test planning, user acceptance testing, and production validation.

・Collaborate with Atlassian support, Cloud-Specialized Partners, Marketplace Partners, security teams, and internal product owners.

・Document architecture, configuration standards, operational procedures, migration decisions, and known limitations.

・Identify opportunities to simplify workflows, automate repetitive work, improve data quality, and strengthen governance.

・Communicate clearly with technical and non-technical stakeholders in English and Japanese as required for the role.

Work Environment

This role works closely with:

・Tech Collaboration Tools Group leadership and platform owners.

・Engineering, service management, security, identity, and infrastructure teams.

・Business stakeholders, project teams, and end users.

・Atlassian FastShift or migration specialists, Cloud-Specialized Partners, and Marketplace Partners.

We value practical collaboration, thoughtful engineering, continuous learning, and shared ownership. The team works across product, technology, and business functions, so curiosity and empathy matter as much as technical capability. We aim to create tools that reduce friction and help people do their best work.

Mandatory Qualifications:

・5 years of professional experience administering or engineering Jira, Confluence, Jira Service Management, or comparable enterprise collaboration platforms.

・3 years of hands-on experience with Atlassian Cloud configuration, access management, workflows, automation, and integrations.

・Experience planning or supporting data migration, application migration, testing, or production cutover activities.

・Strong troubleshooting, documentation, stakeholder-management, and problem-solving skills.

・Working knowledge of cloud security principles, least privilege, data protection, and operational change control.

・Ability to work independently while coordinating effectively across distributed teams and external partners.
・English: TOEIC 800, fluent in English communication.
・Japanese language: Intermediate level (N3 or equivalent), can communicate with Japanese users via email, chat or verbally.

Desired Qualifications:

・Atlassian certifications or equivalent practical experience.

・Experience with Cloud Migration Assistants, Marketplace applications, REST APIs, scripting, or infrastructure and identity integrations.

・Experience supporting Jira Service Management operations, incident management, or service catalog design.

・Experience with organizational change management, user training, or enterprise adoption programs.

・Professional fluency in English. Japanese language skills are helpful.

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#infrastructureengineer

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