Shivam Kumar Email & Phone Number

Telecommunication professional with over 3 years of experience as an LTE Modem Test Engineer at Marquistech. Proven expertise in testing and troubleshooting LTE modems, with a strong understanding of telecommunications protocols and technologies. Skilled in ensuring high-quality product delivery, collaborating with cross-functional teams, and driving process improvements.

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  Software Test Engineer

  Marquistech

  Mar 2021 - Present - Noida

  • Performed modem test case execution on devices on live networks involving scenarios for all operators (JIO, Airtel, VI India). • Conducted tests on IMS registration, end-to-end VoLTE calls, handover scenarios, call conferencing, call swapping, call waiting, call hold scenarios, and VoWiFi testing. • Reported bugs using RTC & ALM bug management tools, performed first-phase analysis, and retested different builds of reported bugs. • Conducted basic function testing on… Show more • Performed modem test case execution on devices on live networks involving scenarios for all operators (JIO, Airtel, VI India). • Conducted tests on IMS registration, end-to-end VoLTE calls, handover scenarios, call conferencing, call swapping, call waiting, call hold scenarios, and VoWiFi testing. • Reported bugs using RTC & ALM bug management tools, performed first-phase analysis, and retested different builds of reported bugs. • Conducted basic function testing on launched and pre-launched devices, ensuring timely completion of test tasks. • Prepared and delivered reports to clients according to project requirements.• Performed software/build flashing, calibrating devices, META, and IMEI write for DUT. • Executed test cases, reported bugs on bug portals, and tracked issues with RD until completion. • Captured logs in live networks via QXDM/ELT tools and device logs, tested chipsets' performance in different network conditions and scenarios. • Performed retests on temporary loads/patches to ensure bug fixes before software releases. • Conducted overnight stress testing via automated test tools, checked for crashes/dumps/exceptions, and reported findingsPerformed software/build flashing through thin modem flash tools, calibrated devices using META tools, and IMEI write for UE Simulator. • Flashed UE Simulator with four software builds (Caymus and Bolinger), connected UE Simulator with Amarisoft setup, and configured using GMP.Xls file. • Conducted IMS PDN activation using Python scripts, performed IMS-related test cases, and conducted overnight automation testing using ARTA Tool.Tested IoT-based products like TVs, washing machines, smart bulbs, earbuds, laptops, and gaming consoles as per client requirements. • Found and reported bugs on client test plans. • Tested devices as per 3GPP TS standards and certified device functionality according to UE capabilities. Show less