QA Engineer / Sr. Engineer
TCS
5 - 10 years
Delhi
Posted: 19/07/2025
Job Description
QA Engineer / Sr. Engineer
Desired Experience Range: 5 - 10 years
Location of Requirement: Delhi / Gurgaon
Must-Have:
We are seeking an experienced Telecom Network engineer having experience in testing EPC/IMS/5G Core networks.
The ideal candidate should possess comprehensive knowledge of telecom protocols and 3GPP procedures, alongside strong skills in test strategy development, test planning, and test execution.
Basic automation and scripting knowledge, as well as strong analytical and debugging skills, are essential for this role.
Testing & Validation:
- Design and execute test plans for functional, performance, regression, and interoperability testing of 4G EPC, 5G Core (NSA/SA), and IMS components.
- Validate network functions such as MME, SGW, PGW, AMF, SMF, UPF, HSS, PCRF, CSCF, MGCF/MGW, BGCF, TAS server etc
- Use telecom test tools (e.g., Spirent, iperf) to simulate traffic and validate KPIs.
- Ensure compliance with 3GPP standards and customer-specific requirements.
Test Automation:
- Develop and maintain automated test scripts using Python, Robot Framework, or similar tools.
- Integrate test automation into CI/CD pipelines using Jenkins, GitLab CI, or ArgoCD.
- Build reusable test libraries and frameworks for continuous validation of CNFs/VNFs.
About Company
Tata Consultancy Services (TCS) is one of the largest multinational IT services and consulting companies in the world, headquartered in Mumbai, India. It operates in over 50 countries and is a part of the Tata Group, India's largest business conglomerate. TCS offers a wide range of services including software development, consulting, digital transformation, and business solutions, serving industries such as finance, healthcare, retail, and telecommunications. Known for its global reach, technological expertise, and innovation, TCS is consistently ranked among the top IT services companies globally.
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