Cellular Certification Testing Engineer(4G/5G)

5 days ago

Bangalore, 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)

  • 5G Testing

    4 days ago

    Bangalore, India Jobted IN C2 Full time

    At Capgemini Engineering, the world leader in engineering services, we bring together a global team of engineers, scientists, and architects to help the world’s most innovative companies unleash their potential. From autonomous cars to life-saving robots, our digital and software technology experts think outside the box as they provide unique R&D and...

  • Senior Trainer Jobs Opening in For a Client of TeamLease Digital at KarnatakaLess

    4 days ago

    Bangalore, India For a Client of TeamLease Digital Full time

    Summary:As a Technology Educator, you will play a crucial role in enhancing the skills of technology professionals by providing foundational training in technology, delivery, professional development, and industry content. Your responsibilities will include contributing to course content development and creating questions for certification and...

  • Prototyping Engineer

    5 days ago

    Bangalore, India L&T Semiconductor Technologies Full time

    Prototyping Engineer Experience: 3 - 5 yrs Work Location: Bangalore We are seeking a Smart Modules Prototyping Engineer to lead the design, integration, and validation of embedded smart modules for next generation connected products. You will work closely with cross-functional teams to rapidly prototype, evaluate, and iterate on hardware designs...

  • Prototyping Engineer

    4 days ago

    bangalore, India L&T Semiconductor Technologies Full time

    Prototyping EngineerExperience: 3 - 5 yrsWork Location: BangaloreWe are seeking a Smart Modules Prototyping Engineer to lead the design, integration, and validation of embedded smart modules for next generation connected products. You will work closely with cross-functional teams to rapidly prototype, evaluate, and iterate on hardware designs involving...

  • RF Calibration Engineer

    5 days ago

    Bangalore, India L&T Semiconductor Technologies Full time

    We are seeking a skilled and experienced RF Calibration Engineer with hands-on expertise in Qualcomm cellular platform to lead and execute RF calibration activities including RFC card generation, QCN/XQCN handling, and RF tuning. The candidate will play a critical role in ensuring optimal RF performance across LTE, GPS, Wi-Fi, and Bluetooth...

  • RF Calibration Engineer

    3 days ago

    Bangalore, India L&T Semiconductor Technologies Full time

    We are seeking a skilled and experienced RF Calibration Engineer with hands-on expertise in Qualcomm cellular platform to lead and execute RF calibration activities including RFC card generation, QCN/XQCN handling, and RF tuning. The candidate will play a critical role in ensuring optimal RF performance across LTE, GPS, Wi-Fi, and Bluetooth...

  • RF Calibration Engineer

    4 days ago

    bangalore, India L&T Semiconductor Technologies Full time

    We are seeking a skilled and experienced RF Calibration Engineer with hands-on expertise in Qualcomm cellular platform to lead and execute RF calibration activities including RFC card generation, QCN/XQCN handling, and RF tuning. The candidate will play a critical role in ensuring optimal RF performance across LTE, GPS, Wi-Fi, and Bluetooth subsystems.Areas...

  • Calibration Technician

    5 days ago

    Bangalore, India L&T Semiconductor Technologies Full time

    We are seeking a skilled and experienced RF Calibration Engineer with hands-on expertise in Qualcomm cellular platform to lead and execute RF calibration activities including RFC card generation, QCN/XQCN handling, and RF tuning. The candidate will play a critical role in ensuring optimal RF performance across LTE, GPS, Wi-Fi, and Bluetooth subsystems....

  • Principal Engineer

    5 days ago

    Bangalore, India Tejas Networks Full time

    About Us: Tejas Networks is a global broadband, optical and wireless networking company, with a focus on technology, innovation and R&D. We design and manufacture high-performance wireline and wireless networking products for telecommunications service providers, internet service providers, utilities, defence and government entities in over 75 countries....

  • Principal Engineer

    4 days ago

    bangalore, India Tejas Networks Full time

    About Us:Tejas Networks is a global broadband, optical and wireless networking company, with a focus on technology, innovation and R&D. We design and manufacture high-performance wireline and wireless networking products for telecommunications service providers, internet service providers, utilities, defence and government entities in over 75 countries....