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Title:  Engineer III, R&D

Duties & Responsibilities

  1. Validating LTE/5G protocols, features and call flows as per requirements.
  2. Preparation test plans as per requiremetns, customer requirements and 3GPP specs.
  3. Preparing lab test setups for end to end feature validation.
  4. Execution of test plan in the lab environment and mimic field scenarios in the lab.
  5. Reporting bugs and track it for logical closure.
  6. Report status to lead/manager with clear status and impact on issues.


  1. Experience in LTE 4G, 5G  enodeB/gNB testing.
  2. Strong knowledge in 5G and 4G air interface, call processing technologies and network architecture specifically focused on Radio Access Network
  3. Hands-on experience in LTE/5G Access stratum protocols (MAC, RRC, RLC, and PDCP)
  4. Experience in Virtualization, Orchestration and management is essential.
  5. Experience with LTE/5G core system interfaces and protocols is desired.
  6. Working experience in LTE/5G Mobility, SON, OAM, performance, soak and KPIs validation.
  7. Understanding of 3GPP systems: Core and RAN networks
  8. Excellent Understanding of 3GPP standards
  9. Expertise in creating test plans for system level, subsystem level and feature level testing
  10. Experience in LTE/5G UE simulators (Aeroflex,etc) , core network simulators usage.
  11. Understanding of Software development and testing Life cycle
  12. Good Knowledge in TCP/UDP, IP protocols and understanding of basic OSI model
  13. Strong team player and out of the box thinker
  14. Good appreciation of software testing engineering principles.
  15. Awareness to Agile process.
  16. Well versed with debugging tools - QXDM, QCAT, Wireshark, etc.
  17. Good log analysis skills to point out problem scenarios.
  18. Testing in Unix/Linux environment
  19. Automation experience preferred.

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