Site Reliability Engineer : Service Operation Department, System Operations Division, Rakuten Card Co., Ltd.
Rakuten
·Jan 21, 2026
- Location
- Rakuten Crimson House Aoyama, Japan
- Type
- Full-time
- Department
- Engineering
- Experience
- 3+ years
- Closing date
- Today
- Source
- Workday
Description
Job Description:
Business Overview
Payment systems, including credit cards, electronic money, and web/app-based payment systems, have become an integral part of our daily lives. Rakuten Card has become Japan's leading credit card company and continues to grow as a leading company in the industry.
Department Overview
The Service Operation Department supports the growth of Rakuten Card by maintaining the IT platform, which is the backbone of our rapidly evolving services. In addition to infrastructure construction and operations, the department drives system evolution through innovative operational improvement activities, such as the application of cutting-edge technologies.
To further expand our business, we are looking for team members who can grow with us as we expand our operations base in Tokyo. This position offers the opportunity to not only manage large-scale IT platforms but also contribute to the evolution of our systems.
Why We Hire
Maintaining an IT platform that can keep up with the constantly evolving service requirements requires advanced skills and experience. This position is designed to solve daily challenges with high productivity.
We aim to build a "Site Reliability Engineering (SRE) team" that pursues the reliability and productivity of the system platform supporting Rakuten Card's business. This role offers opportunities to work in various areas, including servers, networks, security, and databases.
Position Details
As a member of the unit, you will be assigned several areas of responsibility based on your experience and interests, including:
- Promoting infrastructure automation and infrastructure construction/operations
- Driving infrastructure-related projects (in collaboration with other departments, external vendors, and partners)
- Building and supporting system platforms using container technologies (Docker/Kubernetes)
- CI/CD platform build, operations, maintenance, and enhancement
- Operating and maintaining relational databases
- Managing production services to improve service reliability
Work Environment
Mid-career hires: 60%
New graduates: 40%
Backgrounds: IT Vendor companies, web-based system development companies, etc.
Tech Stack
GCP (Google Cloud Platform)
Kubernetes、VMware
Linux
Oracle DB
Apache Cassandra
Mandatory Qualifications
- 3+ years of experience in infrastructure design, construction, and operations
- Basic understanding of key protocols (TCP/IP, HTTP) at a level sufficient to discuss their meaning
- Communication skills sufficient to negotiate with internal teams and user departments
Desired Qualifications
We are actively considering candidates with any of the following experience or skills:
- Experience operating PCI DSS-compliant systems
- Experience implementing and operating public cloud platforms such as AWS, Google Cloud, or Azure
- Team leadership experience managing 5-10 members
- Management experience, such as serving as a team leader
Additional Information About the Location
Tokyo (Rakuten Crimson House Aoyama), Fukuoka
Additional information on Secondment
You will be employed by Rakuten Group, Inc. and seconded to Rakuten Card Co., Ltd.
※For more information, please refer to the links below:
-----------------------------------
▼About Company
▼ Latest Company News
▼ Video Links
▼ Conditions of Employment
-----------------------------------
#engineer #fintechgroup
Languages:
English (Overall - 1 - Beginner), Japanese (Overall - 4 - Fluent)
