Server Engineer - System Division, Rakuten Bank, Ltd. (Secondment)

Role summary

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This role involves designing, building, operating, and improving server infrastructure for Rakuten Bank as a secondee from Rakuten. Candidates are expected to have professional experience with Linux or Unix servers, system administration, networking, databases, monitoring, security, and troubleshooting. Experience with cloud platforms, automation, scripting, high-availability systems, or financial services infrastructure is advantageous. The position requires strong problem-solving skills, careful operational discipline, and the ability to work with development, security, and business teams. Because the role supports banking services, candidates should be dependable, security-conscious, and comfortable following strict procedures. Japanese communication skills are likely important for collaboration in Japan, while English may be useful within the wider Rakuten Group.

About the employer

Rakuten is a major Japanese technology and internet services group founded in 1997 and headquartered in Tokyo. Its businesses span e-commerce, online marketplaces, fintech, banking, credit cards, securities, mobile communications, travel, digital content, and advertising. The company operates a large ecosystem that connects millions of consumers and businesses through a shared membership and loyalty platform. Rakuten Bank, one of Japan’s leading online banks, provides retail banking and payment services supported by large-scale, security-sensitive technology systems. Rakuten promotes an international working environment and employs people from many countries, although Japanese is often important for domestic operations. The group is known for encouraging innovation, internal mobility, and technology-driven business development. This secondment offers exposure to banking infrastructure and the operational standards required for highly available financial services.