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/.

Job Duties :

• Responsible for the day-to-day operation and support in charging domain.
• Provide Level 2 support troubleshooting and resolving technical issues related to Diameter, Provisioning on any associated protocols.
• Manage and resolve complex customer issues escalated from the Monitoring support team.
• Monitor and troubleshoot PCRF/OCS related incidents to identify the root cause and ensure swift and effective resolution.
• Perform regular technical analysis to ensure the optimization and quality of the services.
• Collaborate with internal teams, partners, and vendors to resolve escalated technical issues and implement corrective actions.
• Conduct testing and verification of any implemented changes in configurations to ensure they meet regulatory and service requirements.
• Generate reports, analyse service/operational KPIs, and contribute to the improvement of processes and procedures.
• Document and maintain detailed records of all support activities, including resolutions, troubleshooting steps, and partner interactions.
• Change implementation.
• Handle communications with other domains.
• Build knowledge and manage daily operation activities to high efficiency.
• Collaborate with our Partners and internal stakeholders to identify issue and fixes incidents within the agreed service SLA.
• Be part of an on-call shift rotation pool.
• Availability to work occasionally during nights and weekends to provide support for urgent issues or scheduled maintenance.
• Working from office.

Roles/Responsibilities and Expertise :

• PCRF/OCS experience.
• Hands on in at least one of the below vendors/ products:

Oracle: CHF, PCF and Nokia : DRA/DEA

• Experience with monitoring, testing tools, troubleshooting techniques and performance analysis.
• Proficient in using industry-standard tools for analysing KPIs and metrics.
• Excellent analytical and problem-solving skills with a focus on delivering high-quality results.
• Strong communication and interpersonal skills to collaborate effectively with internal and external stakeholders.
• Ability to work under pressure and prioritize tasks in a fast-paced and dynamic environment.
• Familiarity with trace reading and troubleshooting.
• Working experience on Openstack or Kubernetes.
• Certifications or Trainings CCNA, CKA, OpenStack COA is advantageous.
• Able to communicate clearly and concisely in English (verbal and written is advantageous).
• Method of Procedure preparation and validation experience.

• Configuration implementation experience.

Preferred Qualification

• Total Experience: 6-15 years
• Good Knowledge of Telecom 4G/5G/LTE/VoLTE Networks and Call flows
• Preferred nodes are: CSD, DRA, DEA, NLS, SPS, PCRF, OCS, NCC, NPC, CBAM, Ground0, CGF, NWR, NatRef, NatLog, IOT-DC, IOT-CSG, IOT-SMP.
• Strong understanding of RTP, RTCP, H.248, SIP, Diameter, SS7, TCP/UDP, M3UA, SOAP, HTTP, HTTPS. LDAP, RTP other 3GPP Protocol.
• Good understanding of Linux environment.

• Experience of working on VNF/CNF technologies.
• Good understanding for Networking and cloud.

• Good communication skills.

RAKUTEN SHUGI PRINCIPLES:

Our worldwide practices describe specific behaviours 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.