Senior Network & Security Engineer (Infrastructure SME) Work Location – Bangalore, India Based on proven up-to-date infrastructure practices, its open interface platforms make it possible to launch and operate advanced mobile services in a fraction of the time and cost of conventional approaches, with no compromise to network quality or security. Rakuten Symphony has operations in Japan, the United States, Singapore, India, South Korea, Europe, and the Middle East Africa region. Building on the technology Rakuten used to launch Japan’s newest mobile network, we are taking our mobile offering global. To support our ambitions to provide an innovative cloud-native telco platform for our customers, Rakuten Symphony is looking to recruit and develop top talent from around the globe. TSE: 4755) is a global leader in internet services that empower individuals, communities, businesses and society. Founded in Tokyo in 1997 as an online marketplace, Rakuten has expanded to offer services in e-commerce, fintech, digital content and communications to 2 billion members around the world. The Rakuten Group has over 30,000 employees, and operations in 30 countries and regions. We are seeking a highly skilled Senior Network & Security Engineer to join our core infrastructure team. This is a critical role responsible for the design, implementation, and operational excellence of our enterprise network and security environment.



The ideal candidate will be a multi-disciplinary expert capable of managing complex, high-availability systems including software-defined networking, security orchestration, and identity management. Oversee IP/MPLS, SRMPLS, SRV6 and MBH networks to ensure scalable, resilient, and efficient traffic forwarding. Network Security: Serve as the primary administrator for HashiCorp Vault (secrets/certificates) and Cisco ISE (AAA policies, RBAC, and secure network access). Enterprise Networking: Manage and Optimize Cisco enterprise network infrastructure, ensuring high availability, routing/switching stability, and proactive troubleshooting. Data Center SDN: Serve as a subject matter expert for Cisco ACI, managing tenants, VRFs, EPGs, contracts, and fabric operations. Experience: 8+ years of professional experience in large-scale enterprise network environments. Network Protocols: Deep knowledge of IP/MPLS, SRMPLS, SRV6, MBH, BGP, OSPF, and complex routing architectures. Hands-on experience with DDoS protection/Allot and secure credentials management (HashiCorp Vault). Problem-Solving: Exceptional troubleshooting skills with the ability to diagnose complex, cross-functional network issues. Perform performance testing and scalability testing of AI/ML product and systems. Our worldwide practices describe specific behaviors that make Rakuten unique and united across the world.

📌 (Senior) Network Security Engineer (W/M/D)
🏢 Rakuten Symphony
📍 Bengaluru