Are you passionate about IMS, VoLTE, and 5G voice services? Join our team and help validate next-generation mobile communication networks.
Key Responsibilities
- Develop and execute IMS, VoLTE, and VoNR test scenarios.
- Validate IMS registration, call flows, supplementary services, and service continuity.
- Perform functional, integration, regression, and interoperability testing.
- Analyze SIP, SDP, RTP, and Diameter signaling traces.
- Troubleshoot issues across device, RAN, Core, and IMS domains.
- Track defects through resolution and support test automation initiatives.
- Support lab and customer-network validation activities.
Required Qualifications
- 4-8 years of telecom testing experience, including IMS/VoLTE testing.
- Strong understanding of IMS and mobile voice architecture.
- Hands-on experience with VoLTE and preferably VoNR.
- Strong knowledge of SIP, SDP, RTP, and Diameter protocols.
- Experience with Wireshark and protocol analysis tools.
- Python, Robot Framework, or similar test automation experience is an advantage.
Equal Opportunity Statement
HCLTech welcomes applications from all qualified candidates (m/f/d), regardless of gender, nationality, ethnic or social origin, religion, disability, age, or sexual orientation. Severely disabled applicants and those with equivalent status will be given preferential consideration where qualifications are equally suitable.
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