Role: Solution Architect ( IMS Core )

Experience: 12-15 Years

Location: Hyderabad, Bangalore, Chennai, Delhi

Key Responsibilities

- Design, plan, and implement IMS-based voice solutions including:
- VoLTE
- VoWiFi
- VoNR
- Translate business and service requirements into:
- High-Level Designs (HLDs)
- Low-Level Designs (LLDs)
- Deployment-ready architecture documents
- Architect and integrate IMS Core network components:
- P-CSCF
- I-CSCF
- S-CSCF
- SBC
- TAS
- HSS / UDM
- Design integrations with:
- EPC (4G Core)
- 5GC (5G Core)
- Lead architecture reviews, design assurance activities, and interoperability assessments.
- Perform:
- Capacity planning
- Resiliency analysis
- Scalability assessments
- Multi-vendor solution validation
- Design and validate regulatory services such as:
- Emergency Calling (999/112)
- Lawful Intercept (LI)
- Number Portability
- Ensure HLD-to-LLD traceability and alignment between design, implementation, testing, and deployment.
- Provide technical leadership during:
- Integration
- System testing
- Migration activities
- Production rollouts
- Collaborate with operators, vendors, engineering teams, and stakeholders to resolve architecture and service design challenges.
- Contribute to cloud-native IMS evolution,



automation strategies, and autonomous network initiatives.

Required Technical Skills Mandatory IMS & Core Network Skills
- IMS Core Architecture
- Mobile Voice Services
- VoLTE, VoWiFi, VoNR
- Session Border Controller (SBC)
- Telephony Application Server (TAS)
- SIP Signaling
- Diameter Protocol
- Call Routing & Interconnect
- Roaming Architecture
- Policy Control
- EPC / 5G Core Integration
- HLD / LLD Documentation
- Design Traceability
- Capacity Planning
- High Availability & Resiliency Design
- Multi-vendor Telecom Environments
- Architecture Governance & Reviews

Telecom Domain Expertise
- Emergency Services
- Lawful Intercept (LI)
- Number Portability
- Service Continuity Mechanisms
- Network Migration & Transformation
- Integration & Validation Testing

AI & Agentic AI Requirements Must-Have AI Knowledge
- Understanding of Agentic AI concepts:
- Single-Agent Architecture
- Multi-Agent Architecture
- Human-in-the-Loop principles
- Google Agent Development Kit (ADK) fundamentals:
- Agents
- Tools
- Agent orchestration
- Ability to determine when:
- An AI Agent is appropriate

📌 Solution Architect - IMS Core Services (Hyderabad)
🏢 Tata Consultancy Services
📍 Hyderabad