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Title:  Engineer III, R&D

We are  looking for an individual who is having 8 to 10 years experience in telecom domain with handson experience in 4G/5G  enodeB/gNB stack and protocol testing. Should be familiar with 3GPP specifications, lab testing methods, debugging issues and log analysis.

 

Duties & Responsibilities

  1. Should be capable of preparing the test plans as per requiremetns, customer requirements and 3GPP specs.
  2. Execution in the lab environment and mimic field scenarios in the lab.
  3. Validating LTE protocols, features and call flows as per requirements.
  4. Should interact with cross functional teams on technical issues and track it for logical closure.
  5. Should possess Problem solving skills and identify the issues.
  6. 5G  NR expeience preferred.

 

 

SKILLS REQUIRED

Include demonstrated competencies and physical, mental, & interpersonal skills.

  • Strong knowledge of 4G/5G RAN based on 3GPP standards.
  • Experience in LTE 4G, 5G  enodeB/gNB testing.
  • Must have: Hands-on experience in LTE/5G Access stratum protocols (MAC, RRC, RLC, and PDCP)
  • Experience with LTE core system interfaces and protocols such as S1-MME, S1-U, NAS, S1-AP, X2-AP, RRC, GTPv2c, GTP-U is desired
  • Working experience in LTE Mobility, SON, OAM, performance, soak and KPIs validation.
  • Experience in testing of advanced LTE/5G features like 256 QAM, Carrier Aggregation, MIMO, Beam Forming, LAA.
  • Experience of NFV and cloud systems is desirable
  • Understanding of 3GPP systems: Core and RAN networks
  • Excellent Understanding of 3GPP standards
  • Experience in LTE UE simulators (Aeroflex,etc) , core network simulators usage.
  • Strong team player and out of the box thinker
  • Good appreciation of software testing engineering principles.
  • Awareness to Agile process.
  • Well versed with debugging tools - QXDM, QCAT, Wireshark, etc.
  • Good log analysis skills to point out problem scenarios.
  • Testing in Unix/Linux environmentAutomation experience preferred.
  • Familier with Agile process,  CI/CD development process. 

 


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