Job Description:
Business Overview
Rakuten Group is based in Japan and serves approximately 100 million customers in Japan and over 1 billion globally. We provide more than 70 services in a variety of sectors, including e-commerce, payment services, financial services, telecommunications, media, and sports.
Department Overview
Global Ad Technology Supervisory Department (GATD) manages the advertising systems that power Rakuten. We are a cross-functional and data-driven organization working in a diverse team spread across Japan, China, Singapore, and India. Our vision is to empower our internal and external stakeholders by providing data-driven marketing solutions through the development of Ad delivery, Tracking, Reporting, and Data Sync Platforms. Joining us, you will challenge yourself with a wide range of technologies at the frontline of heavy-traffic, large-scale ad applications.
GATD Website: https://corp.rakuten.co.jp/careers/feature/adtech/en/
Position:
Why We Hire
To support the rapid growth of our Rakuten Data Management Platform (RDMP) and related services, we are expanding our DevOps team. We are looking for a proactive engineer to strengthen our platform reliability, accelerate delivery pipelines, and drive cloud-native automation, including the integration of modern AI-driven workflows to streamline operational efficiency.
Position Details
Responsibilities
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Cloud Infrastructure Management: Administer and optimize GCP infrastructure (Cloud Run, BigQuery, GCS, Pub/Sub, Cloud Build).
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Hybrid Networking: Manage network configurations, load balancers, and VPN/Interconnect connections between on-premise and GCP environments.
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CI/CD & Deployment: Own the design and maintenance of CI/CD pipelines (Jenkins-as-a-Service) supporting Maven, Node.js, and Docker; implement automated deployment strategies (canary, blue-green).
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Observability & Cost Management: Implement comprehensive monitoring (Prometheus, Grafana, ELK/EaaS) and proactively manage cloud resource utilization and cost optimization.
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Infrastructure as Code (IaC): Drive automation through Terraform and Ansible to reduce manual operations.
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Security & Compliance: Manage secrets (Vault/GCP Secret Manager) and ensure security best practices across the hybrid infrastructure.
Work Environment
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Team Dynamics: We operate as an Agile, fast-paced team with no barriers. We are very open to new ideas and continuous process improvements.
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Collaboration: Our core team is based in Japan and China, with frequent interaction with teams in Singapore and India. We pride ourselves on being a highly diverse, international, and inclusive group.
Development Environment
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Cloud: Google Cloud Platform (GCP), Private Cloud (Rakuten Cloud).
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CI/CD: Jenkins, Octopus Deploy, GitHub Actions, Harbor, Artifactory.
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AI/Automation: n8n, Python/LLM-based automation frameworks.
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Infrastructure/IaC: Terraform, Ansible, Kubernetes, Docker.
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Observability: Prometheus, Grafana, ELK Stack.
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Collaboration: Jira, Confluence, Slack/Teams, Bitbucket, GitHub Enterprise.
Mandatory Qualifications:
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More than 3 years of experience in DevOps, SRE, or Infrastructure Engineering.
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Strong hands-on experience with GCP (Cloud Run, BigQuery, IAM, VPC, Networking).
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Deep understanding of CI/CD pipelines and automated deployment orchestration.
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Proficiency in Infrastructure as Code (e.g., Terraform) and scripting (Bash/Python).
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Experience in managing production-grade Kubernetes/containerized environments.
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TOEIC Score 800 above or possess equivalent qualifications.
Desired Qualifications:
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Experience building AI-powered automation or agentic workflows (e.g., n8n, automated ticketing/remediation).
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Experience managing GCP Interconnect and complex hybrid network topologies.
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Proven track record in cloud cost management and resource optimization.
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Knowledge of Kafka, Redis, MariaDB, or Couchbase.
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Experience with workflow schedulers (e.g., Azkaban).
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Professional certification (Google Professional Cloud Architect/DevOps Engineer or similar).
Other Information:
Additional information on Location
Futako Tamagawa Rise Office
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