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Title:  Engineer II, R&D

Duties & Responsibilities

  1. Validating LTE/5G protocols, features and call flows as per requirements.
  2. Preparing lab test setups for end to end feature validation.
  3. Execution of test plan in the lab environment and mimic field scenarios in the lab.
  4. Reporting bugs and track it for logical closure.
  5. 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 Access stratum protocols (MAC, RRC, RLC, and PDCP)
  4. Experience with LTE core system interfaces and protocols such as S1-MME, S1-U, S6a, S11, S5/S8, Rx, NAS, S1-AP, RRC, GTPv2c, GTP-U, SGs-AP is desired
  5. Working experience in LTE Mobility, SON, OAM, performance, soak and KPIs validation.
  6. Understanding of 3GPP systems: Core and RAN networks
  7. Excellent Understanding of 3GPP standards
  8. Experience in LTE UE simulators (Aeroflex,etc) , core network simulators usage.
  9. Understanding of Software development and testing Life cycle
  10. Good appreciation of software testing engineering principles.
  11. Awareness to Agile process.
  12. Well versed with debugging tools - QXDM, QCAT, Wireshark, etc.
  13. Good log analysis skills to point out problem scenarios.
  14. Testing in Unix/Linux environment
  15. Automation experience preferred.

Job Segment: Engineer, R&D Engineer, Linux, Testing, Unix, Engineering, Technology