JAIN SLEE Tech Lead (Telecom) | Noida/Pune/Bangalore/Chennai

We are looking for technical lead to develop, maintain and support the R Systems telecom platform, a carrier-grade convergent charging and service-orchestration solution deployed for a major telecom operator. This combines the OpenCloud Rhino (JAIN SLEE) telecom application server with a SAP Convergent Charging (SAP CC) real-time charging engine and a set of surrounding components (Diameter Signaling Platform, PowerMedia XMS/IVR, EAI, CRM, VMS, BI and monitoring).

Key Responsibilities -

• Develop, maintain and support Java-based telecom applications on the OpenCloud Rhino JAIN SLEE (JSLEE) application server.

• Configure, troubleshoot and enhance the SAP Convergent Charging (SAP CC) real-time charging / rating engine, including master data (charging plans, subscriber accounts) and integration with CRM, EAI and Oracle.

• Implement and maintain service logic and resource adaptors across SIP, Diameter, SS7/IN (CAPv2/MAP) and HTTP/REST/SOAP interfaces (e.g., IMS integration, routing configuration).

• Provide Level 2 / Level 3 support under the TSA – handle JIRA-based ticket escalations, meet SLA response times, and support 24x7 and special-event coverage (including oncall).

• Deliver change requests and enhancements, including MOP documentation and maintenance-window execution.

• Perform defect resolution, code reviews, integration testing and production deployments in Testbed and PROD environments via secured VPN access.

• Collaborate on solution design and technical documentation, and act as a technical point of contact for the customer and the distributed delivery team.