Job Title

Rakuten Symphony is reimagining telecom, changing supply chain norms and disrupting outmoded thinking that threatens the industry’s pursuit of rapid innovation and growth. Based on proven modern 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. For more information, visit: 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. We are looking for individuals to join our team across all functional areas of our business – from sales to engineering, support functions to product development.Let’s build the future of mobile telecommunications together!About Rakuten Rakuten Group, Inc. (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 approximately 1.5 billion members around the world. The Rakuten Group has over 27,000 employees, and operations in 30 countries and regions. For more information visit and DutiesAs member of the Network fraud intelligence team, you will be responsible for defining, establishing, and managing fraud prevention reporting, analytics (e.g., model, rules engine), monitoring etc. Additionally, you will be supporting the Head of Fraud Intelligence in establishing and managing a holistic fraud management organization. In this way you will be ensuring fraud prevention for the Rakuten Mobile as a whole, as well as take part in developing and enhancing the vision of Rakuten Mobile’s fraud prevention strategy while making it a reality.Key responsibilities and duties include:Analyse relevant Signaling data (SIP, SS7, Diameter protocol) from the fraud perspective and produce meaningful reports capturing root cause analysis of the issues identified, magnitude of the issue and the recommended solution for the sameCreate rules in the FMS / Firewalls to generate alarms for potential fraudsThis role will require interactions with most teams internal to Company at management and operational level. This includes but is not limited to teams within Core, BSS, Interconnect team.Role holder will also need to coordinate with technical support team from the external suppliers of FMS tools and FirewallsValidate new product implementations as part of the UATRole holder must be excellent at presentation skillUnderstanding of the issues, concepts, and legal/technical requirements of regulations as well as a general understanding of the principles of fraud preventionMandatory Experience & Skills:5+ years of experience in Analytics3+ years of relevant professional work experience in the Telecom industry on Signaling protocolsMust have working knowledge on Signaling protocols from fraud perspectiveRole holder must have Telecommunications network architecture knowledgeStrong understanding of latest industry standards tools, techniques, and procedures associated with fraud detection and preventionPreferred Experience & Skills:Experience in a cross-functional and global environmentVerbal and written communication in Japanese is preferred, but not required