▷ [High Salary] Cellular Certification Testing Engineer(4g/5g)

2 weeks ago


Yelahanka, India L&T Semiconductor Technologies Full time

Job Title: 4G/5G Cellular Certification Testing & Automation Testing Engineer. Location: Bangalore Experience: 4 to 8 Years Join Time: Immediate to 30 Days. Job Summary: We are seeking a skilled 4G/5G Cellular Certification Testing Engineer with experience in both manual and automation testing for cellular protocols, along with hands-on expertise in certification processes such as PTCRB, GCF, FCC, and carrier certifications (e.G., Verizon, AT&T, T-Mobile). The candidate will be responsible for leading device testing, automation framework development, and managing end-to-end certification cycles. 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 & 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 (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. Preferred Qualifications: - Experience working with major chipset vendors (Qualcomm, MediaTek, etc.). - Prior work on test automation frameworks for embedded/mobile device testing. Knowledge of test case management tools and CI/CD tools (Jenkins, Git)



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