Solution Architect

Solution Architect - PSTN + IMS

Experience: 10 Years+

Location: Hyderabad, Bangalore, Chennai, Kolkata, Delhi NCR

Job Summary

We are seeking an experienced Solution Architect with strong expertise in PSTN and IMS Voice Networks to design, implement, and transform next-generation voice solutions across telecom environments.

Key Skills

• PSTN & IMS Architecture
• VoLTE, VoWiFi, VoNR
• SIP & Diameter Signalling
• SIP Trunking & Interconnect
• Call Routing & Numbering Plans
• SBC, HSS/UDM, TAS, CSCF
• Emergency Services & Regulatory Compliance
• HLD/LLD Preparation
• Migration & Transformation Projects
• Telecom Core Network Architecture
• Cloud-Native IMS & Network Automation (Preferred)

Responsibilities

• Design and deliver PSTN and IMS-based voice solutions.
• Prepare HLDs, LLDs, architecture documents, and implementation plans.
• Define call routing, interconnect, roaming, and voice service architecture.
• Support migration, transformation, integration, and deployment activities.
• Ensure scalability, resiliency, regulatory compliance, and service continuity.
• Collaborate with operators, OEMs, and cross-functional teams for solution delivery.
• Provide technical governance, design reviews, and solution assurance.

Preferred Skills

• Cloud-Native IMS (VNF/CNF)
• Kubernetes/OpenShift
• Ansible, Terraform
• AI-assisted design review and automation concepts