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Tata Consultancy Services

Posted 13 Sep 2026

IMS Testing

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Team
TECHNOLOGY
Posted
13 Sep 2026

About the role

Test Engineer - IMS

Experience: 4 years+
Location: Hyderabad, Bangalore, Chennai, Kolkata, Delhi NCR

Job Summary

Looking for an experienced Test Engineer with expertise in IMS testing, SIP signaling, VoLTE validation, protocol analysis, and end-to-end telecom service testing.

Key Skills
  • IMS Testing
  • SIP & Diameter Protocols
  • VoLTE Testing
  • Functional & E2E Testing
  • Regression & Interoperability Testing
  • Wireshark & PCAP Analysis
  • Linux
  • Call Flow Validation
  • Roaming & Service Continuity Testing
  • Defect Management
Responsibilities
  • Execute functional, regression, interoperability, and end-to-end test scenarios.
  • Validate SIP signaling, IMS call flows, VoLTE registration, and voice services.
  • Perform call routing, roaming, and service validation testing.
  • Analyze protocol traces, signaling logs, and PCAPs using Wireshark.
  • Support pre/post-change validation and production rollout activities.
  • Create test reports, validation summaries, and defect analysis.
  • Collaborate with architects, integrators, and operations teams.
Qualifications: BACHELOR OF TECHNOLOGY

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