Senior Cellular Protocol Engineer

6 days ago


Malappuram, Kerala, India beBeeCellularCertificationTester Full time ₹ 15,00,000 - ₹ 25,00,000
Job Title: 4G/5G Cellular Certification Tester

We are seeking a skilled tester with hands-on experience in manual and automated testing for cellular protocols, along with expertise in certification processes.

Key Responsibilities:
  • Perform manual and automated testing of 4G/5G protocol, RF, and application-level functionalities.
  • Lead and execute certification testing processes including PTCRB, GCF, FCC, and carrier certifications.
  • Design and implement automation test scripts and frameworks for cellular device testing using scripting languages.
  • Conduct regression, stability, IOT (Interoperability Testing), and field testing using test tools and automation setups.
  • Debug and analyze logs using QXDM, QCAT, QTRACE, Wireshark, and similar tools.
  • Collaborate with cross-functional teams to address and resolve test issues.
  • Maintain detailed documentation for test plans, test cases, defect logs, and certification reports.
Required Skills & Experience:
  • 4 to 8 years of hands-on experience in 4G/5G mobile device testing and certification.
  • Experience with PTCRB, GCF, FCC, and at least one US carrier certification process.
  • Strong understanding of LTE, LTE-A, 5G NR (NSA/SA), VoLTE, VoNR technologies.
  • Proficiency in using test tools such as Anritsu, Keysight, R&S, Spirent, etc.
  • Experience with automation testing frameworks and scripting languages.
  • Hands-on experience with log analysis tools and debugging protocol/RF issues.
  • Good understanding of 3GPP protocol stack, network signaling, and call flows.


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