Infra Server engineer - System Infrastructure Department, Information Systems Division, Rakuten Life Insurance Co., Ltd. (Secondment)

Role summary

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This role supports server and infrastructure services for Rakuten Life Insurance as a seconded employee. Responsibilities typically include designing, building, operating, monitoring, and improving on-premises and cloud server environments; managing incidents, security, backups, capacity, and system availability; and coordinating with internal teams and external vendors. Candidates are expected to have practical experience with server infrastructure, operating systems, virtualization, networking, databases, or cloud platforms. Knowledge of Linux or Windows Server, scripting, troubleshooting, and IT service management is valuable. Experience in financial or insurance systems, strong documentation and communication skills, and business-level Japanese are likely advantageous. The successful candidate should be dependable, security-conscious, proactive in problem solving, and comfortable working within regulated enterprise environments.

About the employer

Rakuten Group, Inc. is a major Japanese technology and internet-services company headquartered in Tokyo. Founded in 1997, it operates a broad ecosystem spanning e-commerce, fintech, mobile communications, digital content, travel, advertising, and professional sports. Rakuten Life Insurance is part of the group’s financial-services portfolio and provides life-insurance products through digitally enabled customer experiences. Rakuten companies typically emphasize innovation, data use, platform integration, and international collaboration. The group employs people from many countries and uses English in some corporate and technical environments, although Japanese remains important for roles involving domestic customers, regulators, and business partners. Infrastructure engineers support the reliability, security, and continuous improvement of systems that underpin financial and insurance operations, where availability, compliance, and careful change management are especially important.