Staff Engineer, RCS

Rakuten Kobo Inc.; Bengaluru; On-site; INR 2,500,000 - 4,200,000; Full time

Job summary

Rakuten Symphony seeks a seasoned telecom professional to monitor and manage 24/7 operations, ensuring service reliability and rapid incident response in Bengaluru. The role requires strong collaboration with cross-functional teams and a proactive, results-driven mindset.

Candidates should have 6–15 years in telecom, with IMS/RCS/OTT exposure and excellent communication skills. Japanese language ability is a plus; join a dynamic, global team driving cloud-native telco platforms.

Qualifications

• Bachelor’s degree in Electronics and Communications or related field.
• 6–15 years of telecom experience preferred.
• Experience with IMS, RCS, OTT applications is desirable.
• Proficient communication and collaboration skills, able to work with multiple stakeholders.

Responsibilities

• Monitor system alarms, alerts, KPIs and utilization.
• Perform day-to-day operational activities including ticket, change request and incident management.
• Ensure system health and service reliability; coordinate with infra and network teams.
• Provide on-call support and produce timely, accurate incident resolutions.
• Maintain technical documentation and knowledge base for reference.

Skills

Strong communication skills

Team spirit

Time management

Self-starter

Education

B.Tech in Electronics and Communication

Job description

Job Description: Why should you choose us? 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: https://symphony.rakuten.com. 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. 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 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 2 billion members around the world. The Rakuten Group has over 30,000 employees, and operations in 30 countries and regions. For more information visit https://global.rakuten.com/corp/.

Experience Good Operations and Troubleshooting Experience with WRG, DSN, IUCC, UCCAS, Mstore, SDC, WSG, PNS, PRX, TAS, RMS, MRF, DNS Server, Cassandra DB, Scylla DB & CRDL. Experience of Mavenir RCS/IMS Core product is preferable. Analysis of clear code through Wireshark. Clear Code analysis and rectification for RCS/IMS Nodes. Suitable for Working in a 24/7, shift environment. Alarm rectification in day-to-day MS Operation point of View handling for WRG, DSN, IUCC, UCCAS, Mstore, SDC, WSG, PNS, PRX, TAS, RMS, MRF, DNS Server, Cassandra DB, Scylla DB & Cloud Platform. Good exposure in RCS/IMS architecture with all the nodes (P-CSCF, I-CSCF S-CSCF, TAS, HSS, MSS) and also having Knowledge on end-to-end call flow for RCS/IMS Registration, Call, Messaging. Having knowledge of header used in SIP. Troubleshooting on hardware and software related faults in case RCS/IMS node is concerned. Quick learner and strong desire to master new Technologies in the area of Protocol. A tendency to work sincerely with team spirit and meet the Deadlines. Partner with Various teams to improve services through collaboration and coordination. Handle End user inquiries through ticketing system and provide proper analysis and solution within SLA. Anchoring Product issues and collaborating with development team to resolve on time. Provide call support and handling production incidents as per incident management process.

Roles and responsibilities: Monitor system alarms, alerts, KPIs and utilization. Perform day to day operational activities such as Ticket, CR and incident management. Ensure System health and service reliability. Handling End user issues with Ticketing system and ensure providing proper analysis and solution within SLA. Coordination with various stakeholders to resolve any end user issues. Work with infra and network teams for allocation of new and existing hardware. Mobile client and system log analysis to identify the root cause of any technical problem in the network. Provide On call support for various products to ensure service availability. Production incident handling technical ownership. Maintain Technical Documentation as knowledge base. Identifies operational priorities by assessing operational objectives, determining project objectives, such as efficiency, cost.

Preferred Qualification B. Tech in Electronics and Communication. Experience: 6-15 years. Experience in and/or knowledge of telecom (IMS, RCS, OTT application). Team spirit; strong communication skills to collaborate with various stakeholders. Good time-management skills, self-starter, able to work on their own. Intermediate Japanese Proficiency for both conversation and literacy (Good to have).

RAKUTEN SHUGI PRINCIPLES

Our worldwide practices describe specific behaviors that make Rakuten unique and united across the world. We expect Rakuten employees to model these 5 Shugi Principles of Success. Always improve, always advance. Only be satisfied with complete success - Kaizen. Be passionately professional. Take an uncompromising approach to your work and be determined to be the best. Hypothesize - Practice - Validate - Shikumika. Use the Rakuten Cycle to success in unknown territory. Maximize Customer Satisfaction. The greatest satisfaction for workers in a service industry is to see their customers smile. Speed!! Speed!! Speed!! Always be conscious of time. Take charge, set clear goals, and engage your team. 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: https://symphony.rakuten.com 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. 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!