RF Calibration Engineer

As an RF Calibration Engineer at LTST-L&T Semiconductor Technologies Limited, Bengaluru, you will be responsible for leading and executing RF calibration activities for Qualcomm cellular platforms. Your role will involve generating RFC cards, handling QCN/XQCN, and optimizing RF performance across LTE, GPS, Wi-Fi, and Bluetooth subsystems. Your key responsibilities will include: - Performing RF calibration for cellular platforms based on Qualcomm SoCs such as QCM, QCS, SA2150, SA415M, SDX series, QCX series - Generating and updating RFC cards for factory and production use - Handling QCN/XQCN backup, editing, and restoration for RF parameter tuning - Conducting calibration procedures using Qualcomm toolchain: QPST, QXDM, QDART, QCAT, and QMSL - Analyzing and debugging RF logs, NV configurations, and RF signal performance - Coordinating with hardware and modem teams to optimize antenna and RF path - Supporting EFS/NV management, RF provisioning, and board-level bring-up - Automating repetitive tasks using Python/Perl scripts for efficiency in calibration and flashing - Maintaining documentation and traceability for RF performance and test results You should have solid hands-on experience with Qualcomm RF calibration tools, familiarity with LTE/4G/5G, GNSS, Bluetooth, and Wi-Fi RF subsystems, and a background in wireless testing, calibration lab tools, and scripting automation. A Bachelor's or Master's degree in Electronics, Telecommunications, or a relevant discipline is required. Additionally, you should have prior experience with mass production RF calibration and automation, exposure to carrier certification requirements, familiarity with SAR/TRP/TIS testing, antenna design, and tuning practices, as well as knowledge of eSIM/eUICC, security provisioning, and factory test flows. Your technical skills should include proficiency in Qualcomm tools and platforms like QXDM, QPST/QFIL, QCAT, QDART, QMSL, RFNV Tool, RF Card Tool, eFUSE Tools, as well as expertise in RF calibration, QCN/XQCN handling, EFS management, RF tuning, and production calibration flow. In terms of behavioral skills, you should possess strong communication and teamwork abilities, adaptability to a fast-paced environment, attention to detail, and a proactive and results-oriented mindset. This role requires a Bachelor's or Master's degree in Electronics, Electrical, or Communications Engineering.,