1. Extensive experience in designing, planning and implementing IMS-based voice solutions including VoLTE, VoWiFi and VoNR services across multi-vendor telecom environments.

2. Proven capability in translating business and service requirements into High-Level Designs (HLDs), Low-Level Designs (LLDs) and deployment-ready architecture artefacts.

3. Strong understanding of IMS Core architecture including P-CSCF, I-CSCF, S-CSCF, SBC, TAS, HSS/UDM and their integration with EPC and 5GC networks.

4. Expertise in SIP signaling, call routing, interconnect, roaming, policy control and service continuity mechanisms.

5. Experience in designing and validating Emergency Services (999/112), Lawful Intercept (LI), number portability and regulatory service requirements.

6. Robust capability in performing design assurance, architecture reviews,



capacity planning, resiliency assessment and interoperability evaluations.

7. Experience managing HLD-to-LLD traceability and ensuring alignment between design, implementation and validation activities.

8. Ability to provide technical leadership during integration, testing, migration and production deployment phases.

9. Experience working with telecom operators, OEMs and cross-functional teams to resolve architecture and service design challenges.

10. Knowledge of cloud-native IMS evolution, automation frameworks and autonomous network principles.Role & responsibilities

Preferred candidate profile

📌 Solution Architect (Hyderabad)
🏢 Tata Consultancy Services
📍 Hyderabad