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Associate Principal Engineer, 5G, RRC,QXDM

External
Nagarro1 logoNagarro1 · Gurugram, IN
Full-timeOn-site1w ago
LeadershipMentoringStakeholder Management
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Responsibilities

  • Plan, design, and execute End-to-End testing activities for 5G NTN solutions and deployments.
  • Perform protocol-level analysis and troubleshooting across L3/L2 layers including RRC, NAS, MAC, and RLC.
  • Analyze QXDM logs to investigate network issues, protocol failures, and performance bottlenecks.
  • Develop and drive test strategies for NTN-based network validation and certification activities.
  • Execute test cases, analyze failures, perform root cause analysis, and track defect resolution.
  • Prepare, configure, and maintain telecom test environments and test setups.
  • Utilize tools such as Viavi and Keysight for UE emulation, protocol validation, and interoperability testing.
  • Identify automation opportunities and contribute to the development of automated test frameworks and test suites.
  • Collaborate with development, integration, and system engineering teams to resolve complex technical issues.
  • Provide technical guidance and mentoring to junior team members.
  • Prepare test reports, validation summaries, and quality metrics for stakeholders.
  • Support continuous improvement initiatives to enhance test coverage, efficiency, and product quality.
  • Bachelor's or master's degree in computer science, Information Technology, or a related fields

Requirements

  • Total experience 9+ years.
  • Strong experience in 5G Network Testing, Protocol Validation, and End-to-End Telecom Testing.
  • Hands-on expertise in 5G L2/L3 protocol analysis including RRC, NAS, MAC, and RLC layers.
  • Strong experience using QXDM for protocol tracing, log analysis, debugging, and issue investigation.
  • Experience in End-to-End testing of 5G NTN (Non-Terrestrial Network) solutions including test planning and execution.
  • Strong understanding of 5G network architecture, call flows, procedures, and protocol stack behavior.
  • Hands-on experience with test setup preparation, execution, and troubleshooting in telecom lab environments.
  • Experience working with UE emulators such as Viavi and Keysight for protocol and interoperability testing.
  • Experience identifying automation opportunities and driving telecom test automation initiatives.
  • Strong analytical and troubleshooting skills for failure analysis and root cause identification.
  • Experience coordinating with cross-functional teams and mentoring junior engineers.
  • Excellent communication, stakeholder management, and technical leadership skills.

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