IMS Testing Engineer

Tata Consultancy Services • IT Consulting & Digital Transformation • IT Outsourcing & Dedicated Teams • 1 day ago

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Salary

≈ $8.5k – $22k per year (Estimated)

Location

In office (Delhi)

Seniority

Middle · 4+ years exp

Confirmed on the employer's own hiring board on Oct 22, 2026. First seen by Alion on Oct 21, 2026.

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Tata Consultancy Services

Tata Consultancy Services (TCS) is a global leader in IT services, consulting, and digital business solutions operating as the flagship tech subsidiary of the Tata Group. Headquartered in Mumbai, India, the company delivers end-to-end capabilities spanning cloud computing, enterprise platforms, cybersecurity, and artificial intelligence to major global enterprises. Employing over 500,000 professionals across dozens of countries, it stands as one of the world's largest IT outsourcing and technology transformation partners.

tcs.com • HQ: Mumbai, India • Management Consulting • Systems Integrators • IT Consulting & Digital Transformation • IT Outsourcing & Dedicated Teams • Est. 1968

Tech stack of Tata Consultancy Services

Role: Engineer. Skills: Automation Testing, IMS. Experience: 4 - 10 Years. Qualification: Bachelor Of Technology

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.

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