IMS Test / QA Lead

Tata Consultancy Services; Bengaluru; On-site; INR 1,800,000 - 3,000,000; Full time

Job summary

Tata Consultancy Services in Bengaluru seeks an IMS Test / QA Lead to drive end-to-end testing for IMS-based communication services across VoLTE, VoWiFi, and VoNR. You will define test strategy, plan testing activities, and coordinate with cross-functional teams.

The role includes leading functional, integration, interoperability, regression, and performance testing, performing SIP and Diameter analysis, and guiding defect management and RCA to ensure high-quality delivery.

Qualifications

• Experience testing IMS, VoLTE, VoWiFi, and VoNR platforms.
• Ability to perform SIP and Diameter protocol analysis.
• Experience in load and stress testing, defect management and RCA.

Responsibilities

• Lead end-to-end testing for IMS, VoLTE, VoWiFi, and VoNR solutions.
• Define test strategy, test plans, and quality governance processes.
• Drive functional, integration, interoperability, regression, and performance testing.
• Perform SIP and Diameter protocol analysis and troubleshooting.
• Execute load and stress testing using Spirent Landslide.
• Manage defects, root cause analysis (RCA), and quality metrics.
• Mentor QA teams and collaborate with development and network teams.

Skills

SIP & Diameter Protocols

Functional, Integration & Performance

Tools

Spirent Landslide

Job description

Job Description

We are looking for an experienced IMS Test / QA Lead to drive end-to-end testing activities for IMS-based communication services. The ideal candidate will lead test strategy, planning, execution, defect management, and stakeholder coordination while ensuring high-quality delivery across VoLTE, VoWiFi, and VoNR platforms.

Key Responsibilities

• Lead end-to-end testing for IMS, VoLTE, VoWiFi, and VoNR solutions.
• Define test strategy, test plans, and quality governance processes.
• Drive functional, integration, interoperability, regression, and performance testing.
• Perform SIP and Diameter protocol analysis and troubleshooting.
• Execute load and stress testing using Spirent Landslide.
• Manage defects, root cause analysis (RCA), and quality metrics.
• Mentor QA teams and collaborate with development and network teams.

Required Skills

• SIP & Diameter Protocols
• Spirent Landslide
• Functional, Integration & Performance Testing