Infrastructure Engineer - Tech Division

  • Tokyo
  • Partial Remote
  • Full-time
  • December 23, 2023
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Language Requirements
Japanese: Not Required 👍
English: Fluent
Minimum Experience
Mid-level or above

*Please notice there are 2 different positions below. Once applied, your application will be reviewed by several departments.


1.SRE Engineer

Position Details

  • Virtual machine provisioning with Terraform, Ansible, Chef, and Rakuten private cloud based on requests coming from the above Internet service product teams. Provisioning includes network & middleware configurations.
  • Enhance operational quality, standardization (tools and processes), and automation.
  • Selection, verification, and introduction of new infrastructure environment and tools to be introduced into services.
  • Automating releases while building, maintaining, and continuously improving the CI/CD pipeline.
  • Build on-premises / cloud environment, construct service architectures, and automate.
  • Promote SRE best practices and work with our team to securely implement an innovative approach to operations and services.
  • Continuously improve alerts and monitoring to quickly detect and respond to service-impacting issues.

Mandatory Qualifications:

  • Over 3 years experience as a SRE team member or leader.
  • Basic experience of managing various types of Linux OS.
  • Demonstrated experience with using Ansible, Chef, Terraform, Bitbucket, Github.
  • Experience with Jenkins (recommended), BitBucket, or other CI tools.
  • Any experience with monitoring technologies such as ELK, PagerDuty, Grafana, Prometheus.

Desired Qualifications:

  • Experience with scripting languages (Python, PHP, Ruby, Shell).
  • Any experience with AWS, Azure, Google Cloud.
  • Basic experience of Docker, Kubernetes, and other containerized platform technologies.


2.Network Engineer

Hiring Criteria

  • Flexibility: Not looking for architects or administrator. We want someone who can play several roles.
  • Experience: What kind of technologies you have used and what kind of roles you have played before.
  • Passion: Constantly looking for a better solution. 100% is not your goal. Always aiming for 120%!
  • Curiosity: Need to be curious and sensitive on what is happening in IT field. 
  • Sociability: We work as a team and communication skill is a must!

Mandatory Qualifications

  • Full technical knowledge, configure and implementation of Dynamic Routing Protocol OSPF/BGP/MPLS/VXLAN/SRv6 in backbone networking and data center networking
  • Full technical knowledge, configure and implementation of Layer 2 technology such as TRILL and Multi-Chassis Link-Aggregation
  • Understand basic knowledge of Firewall, Load Balancer and DNS architecture and technologies
  • Work experience in DevOps environment with  Ansible/Jenkins/Git
  • Not only network admin related role, but also appx. 5 years operation experience and good at troubleshooting in Linux/Unix Operation System
  • Proactive mindset with a self-starter attitude in finding and identifying possible network issues and coming up with proposals for resolution
  • Quick learner in new technologies and upcoming trends

Desired Qualifications

  • Bachelor’s Degree or higher in Computer Science, Computer Engineer or similar 
  • Experience of Network Management by utilizing open source software programming 
  • Experience of development and implement Automation scripts in one or more of the following: Python, Ruby, Perl, Bash and other programming language 
  • Experience of  Linux/Unix server development and administration
  • Basic knowledge and have deployment experience of public cloud(AWS/Azure/GCP) 
  • Ability to work in an international oriented environment interacting with global team members in all over the world 
  • A DevOps and Agile mindset when deploying and creating tools

In Japanese, Rakuten stands for ‘optimism.’ It means we believe in the future. It’s an understanding that, with the right mind-set, we can make the future better by what we do today.

So we challenge ourselves to evolve, innovate and experiment, to create a better, brighter future for everyone.

Today, our 70+ businesses span e-commerce, digital content, communications and fintech, bringing the joy of discovery to almost 1.3 billion members across the world.

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Infrastructure Engineer - Tech Division at Rakuten