Do you have a passion for invention and self-challenge Do you thrive on pushing the limits of what s considered feasible As part of a world class modem team you ll craft sophisticated groundbreaking embedded firmware that deliver more performance in our products than ever before You ll work across fields to transform improved hardware elements into a single integrated design Join us and you ll help us innovate new cellular technologies that continually outperform the previous iterations By collaborating with other product development groups across Apple you ll push the industry boundaries of what wireless systems can do and improve the product experience for our customers across the world Do you want to have an impact on every single Apple product As a Cellular RF Software Firmware Engineer you will be at the center of the embedded 5G 4G multimode cellular firmware effort within a silicon design group responsible for designing and productizing innovative cellular SoCs This position requires someone comfortable will all aspects of embedded software development that thrives in a dynamic multi-functional organization is not afraid to debate ideas openly and is versatile enough to shift on constantly evolving requirements Description - Specify design and implement the physical layer embedded software architecture of an innovative mobile wireless communications system - Design develop and optimize the Cellular Processing algorithms pertaining to Baseband and RF components in a cellular system - Implement RF Control software in the baseband modem with precise timing requirements - Work with Baseband RF systems and hardware designers to define hardware function and software computing requirements - Work with systems and IC designers to optimize power optimization for all RF circuitry in the cellular system - Work with multi-functional teams to manage dependencies while driving the key Radio features Minimum Qualifications Minimum BS and 3 years of relevant industry experience Working experience in real-time embedded systems-related projects Understanding of design principles to meet tight real time deadlines a plus Excellent command of C and C and working experience with compilers build and source code control tools Proficiency with debugging in embedded software systems Familiarity with JTAG and ETM Trace tools Preferred Qualifications Knowledge of communication theory Wireless standards Radio architecture and Interfaces Deep understanding of software engineering principles and core computer science fundamentals Solid understanding of computer architecture with particular emphasis on the HW SW interfaces of wireless communication systems Knowledge of mobile communications in 4G 5G 3GPP protocols and PHY layer radio aspects Experience with using RF Test equipment for RF validation RF Calibration and debugging a plus Knowledge of Control aspects of RF transceiver and RF front end components for 4G 5G Control path processing Submit CV