Modem Baseband Platform Engineer

## Grow with us! Ericsson Enterprise Wireless Solutions is building its first India‑based modem engineering team in Bangalore, focused on end‑to‑end modem baseband and platform development in collaboration with global Ericsson teams and Qualcomm partners. This founding team is shaping next‑generation enterprise and industrial 5G solutions on advanced SDX‑based platforms. As a Modem Baseband Platform Engineer, you will design, develop, and optimize the low‑level modem baseband platform software for SDX‑based LGA modem modules. This is a ground‑up opportunity to influence platform architecture early, take strong technical ownership, and deliver high‑performance, power‑efficient 5G modem platforms deployed at a global scale. ## What you will do: * Design and implement baseband platform software architecture for SDX-based modules * Develop hardware abstraction layers (HAL) for Qualcomm chipset components and peripherals * Optimize memory management, DMA operations, cache utilization, and power management (DVFS, sleep/wake) * Develop and optimize interrupt service routines, real-time task scheduling, and DSP firmware integration * Debug complex HW/SW issues using JTAG, trace tools, and logic analyzers * Perform performance profiling and optimization across CPU, memory, and power domains * Collaborate on board bring-up, validation, and create platform documentation ## The skills you bring: * 5+ years embedded baseband/platform development; 3+ years on Qualcomm modem platforms * Deep expertise in Qualcomm baseband (SDX/MSM series), modem subsystem architecture (DSP, ARM, accelerators) * Expert-level HAL development and RTOS experience (REX, ThreadX, FreeRTOS) * Advanced C/C++ for real-time systems; strong memory management and cache optimization skills * Experience with DMA controllers, interrupt handling, power management, and clock control * Hardware/software co-design experience and system-level thinking * Proficiency with JTAG debugging, trace tools, logic analyzers, and oscilloscopes * Excellent problem-solving and communication skills Preferred: * SDX82/85/72/65/55 chipsets; Hexagon DSP programming; ARM Cortex-A/R expertise * Hardware accelerator integration (crypto, compression); bootloader development (U-Boot, LK) * Thermal management, multi-core synchronization, IPC, AMBA protocols (AHB, AXI) * PCIe, USB 3.0, UART, SPI, I2C, SDIO driver development * Lauterbach Trace32, Segger J-Link, ARM DS, profiling tools (gprof, perf) * Master's degree in Embedded Systems, EE, or CE Why join Ericsson?At Ericsson, you´ll have an outstanding opportunity. The chance to use your skills and imagination to push the boundaries of what´s possible. To build solutions never seen before to some of the world’s toughest problems. You´ll be challenged, but you won’t be alone. You´ll be joining a team of diverse innovators, all driven to go beyond the status quo to craft what comes next. What happens once you apply?Click Here to find all you need to know about what our typical hiring process looks like.Encouraging a diverse and inclusive organization is core to our values at Ericsson, that's why we champion it in everything we do. We truly believe that by collaborating with people with different experiences we drive innovation, which is essential for our future growth. We encourage people from all backgrounds to apply and realize their full potential as part of our Ericsson team. Ericsson is proud to be an Equal Opportunity Employer. learn more. Primary country and city: India (IN) || Bangalore Req ID: 781737