Senior Cellular Protocol Tester

1 week ago

Alleppey, Kerala, India beBeeCertification Full time ₹ 15,00,000 - ₹ 20,00,000
Job Description

As a highly skilled 4G/5G Cellular Certification Testing Engineer, you will play a pivotal role in leading device testing, automation framework development, and managing end-to-end certification cycles. The ideal candidate will have hands-on experience in both manual and automated testing for cellular protocols, along with expertise in certification processes such as PTCRB, GCF, FCC, and carrier certifications (e.g., Verizon, AT&T, T-Mobile).

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 (AT&T, Verizon, TMO, etc.).
  • Design and implement automation test scripts and frameworks for cellular device testing (using Python or other 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 including development, QA, certification labs, and carrier teams to address and resolve test issues.
  • Maintain detailed documentation for test plans, test cases, defect logs, and certification reports.
  • Stay up to date with the latest 3GPP standards, carrier requirements, and certification processes.
Required Skills & Qualifications

The ideal candidate will possess the following skills and qualifications:

  • 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 (preferably Python, but Shell, Perl, or JavaScript also valued).
  • Hands-on experience with log analysis tools (QXDM, QCAT, etc.) and debugging protocol/RF issues.
  • Good understanding of 3GPP protocol stack, network signaling, and call flows.
Benefits

The benefits of this role include:

  • Opportunity to work on cutting-edge technology.
  • Chance to develop and lead automation testing frameworks.
  • Collaborative environment with cross-functional teams.

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