Role: IMS + PSTN Test / QA Lead

Experience: 9-11 Years

Location: Hyderabad | Bengaluru | Chennai | Delhi NCR

We are seeking an experienced IMS + PSTN Test / QA Lead to lead validation activities across next-generation voice networks and traditional PSTN environments. The role focuses on interoperability, gateway validation, signaling analysis, and quality assurance for end-to-end voice services.

Key Responsibilities

- Lead testing activities across IMS, VoLTE, and PSTN Interconnect environments.
- Define and execute end-to-end test strategies and validation plans.
- Validate SIP, SS7, and ISUP signaling flows.
- Perform gateway, interconnect, and call-flow validation.
- Drive functional, interoperability, regression, and performance testing.
- Execute load and stress validation using Spirent Landslide.
- Lead defect tracking, RCA activities, and quality reviews.
- Collaborate with multiple stakeholders to ensure successful delivery.

Required Skills
- IMS, VoLTE & PSTN Testing
- SIP, SS7 & ISUP Protocols
- Gateway & Interconnect Testing
- Spirent Landslide
- Wireshark & Trace Analysis
- Test Governance & Defect Management
- Call Flow Validation
- Performance & Interoperability Testing

Thanks & Regards, Md Shahid, TCS

📌 IMS + PSTN Test / QA Lead (Bengaluru)
🏢 Tata Consultancy Services
📍 Bengaluru