Engineer III, R&D
CommScope Inc.
Bangalore, Karn, In
1d ago

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

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

    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 environment Automation experience preferred.
  • Familier with Agile process, CI / CD development process.
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