Network Engineer - System Infrastructure Department, System Division, Rakuten Bank, Ltd.

Role summary

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Rakuten Bank is seeking a Network Engineer to design, build, operate, and improve network infrastructure supporting secure banking services. Candidates should have practical experience with network design, configuration, troubleshooting, and monitoring, together with knowledge of TCP/IP, routing, switching, firewalls, and security controls. Experience with large-scale or financial-service environments, high-availability systems, cloud networking, and vendor coordination would be advantageous. The role requires careful documentation, incident response, change management, and collaboration with infrastructure, security, application, and operations teams. Rakuten expects a dependable professional who can protect service stability, respond calmly to incidents, identify improvements, and communicate effectively in a Japanese corporate environment.

About the employer

Rakuten Bank, Ltd. is a Japanese online bank and part of the wider Rakuten Group, one of Japan’s major internet services companies. The bank provides savings accounts, payment services, loans, foreign exchange, investment-related products, and other digital financial services through technology-driven channels rather than a traditional branch-heavy model. Its business depends on secure, resilient, and scalable systems that can support large numbers of customers and transactions. Rakuten Bank is known for integrating banking with the broader Rakuten ecosystem, including shopping, payments, mobile communications, and loyalty services. Employees work in a regulated financial environment where reliability, cybersecurity, compliance, automation, and customer experience are important. The company offers opportunities for engineers interested in high-availability infrastructure, digital banking, cloud technologies, and large-scale operational challenges in Japan.