This role supports the development and delivery of network security services for enterprise customers. Typical requirements include practical experience with network security, firewalls, intrusion prevention, VPNs, cloud security, or related infrastructure; familiarity with security technologies, solution design, and technical documentation; and the ability to communicate in English and/or Japanese. The successful candidate is expected to help define service requirements, evaluate technologies, coordinate with internal engineering and sales teams, support customer proposals, and contribute to reliable service operations. A customer-focused mindset, problem-solving ability, teamwork, and willingness to learn emerging cybersecurity technologies are important.
Rakuten Group, Inc. is a major Japanese technology and internet services company headquartered in Tokyo. Founded in 1997, it operates a broad ecosystem covering e-commerce, fintech, mobile communications, digital content, travel, advertising, and professional business services. Rakuten is known for its membership-based platform, which connects customers and merchants across many services through a shared loyalty program. Rakuten Mobile and Rakuten Symphony also reflect the company’s focus on telecommunications and cloud-native network technology. The Group Sales Division works with enterprise customers and develops solutions that support digital transformation, connectivity, security, and business growth. Employees typically work in an international environment, with opportunities to collaborate across multiple products, countries, and technical disciplines. The company places emphasis on innovation, ownership, customer value, and expanding its global technology capabilities.
Japan offers strong opportunities in cybersecurity, software engineering, cloud computing, telecommunications, finance, manufacturing, healthcare, tourism, and education. Tokyo has the largest concentration of international employers, while Osaka, Nagoya, Fukuoka, Sapporo, and Okinawa provide different career and lifestyle options. Japanese workplaces value punctuality, preparation, teamwork, respect, and careful communication, although global companies may use more flexible styles. Daily life is generally safe and convenient, with excellent public transport, reliable services, and varied food and cultural experiences. Housing and commuting costs are highest in central Tokyo. Foreign professionals normally need an appropriate work visa, commonly an Engineer/Specialist in Humanities/International Services visa, sponsored by an employer. Applicants should prepare academic and employment documents, arrange accommodation, and consider language study; Japanese ability can significantly improve workplace integration. Japan’s four main islands and Okinawa offer distinct climates, from snowy northern regions to subtropical southern areas.
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