Appleʼs Cellular Software team is seeking talented, highly motivated, and well-adapted engineers to work across layers on groundbreaking cellular technologies. The position involves developing and integrating core cellular technologies that tackle everyday problems for customers using iPhone, iPad, Watch, and other wireless product lines. We are passionate about keeping our users connected 24/7 wherever they go. This team takes pride in not just coming up with shown software designs but also in disrupting traditional models of the cellular ecosystem. We do whatever it takes to bring user experience to the next level.In this role you will be a key member of the Cellular Layer1 Control Software team with the following responsibilities: Specify, design, implement, and integrate PHY/Layer1 Control Software/Firmware a state-of-the-art mobile wireless communications system. Implement key scheduling, and control processing in tight timelines, latency, and energy constraints. Assist in the development of pre-silicon emulation systems/virtual platforms and use them for pre-silicon Layer1 Control SW design and verification. Evaluate and implement leading-edge tools for build, formal verification, and testing. Define methodologies and standards. Hands-on experience with real-time, embedded software/Firmware Strong understanding of software engineering principles using C and/or C++, Real Time Operating Systems (RTOS), and concurrent programming. Excellent debugging and troubleshooting skills Bachelor of Science in Electrical Engineering or Computer Science Proven understanding of embedded real-time control, communications, and information theory. Cellular call processing, DSP, communication, and RF topics are a plus. Solid understanding of computer architecture with particular emphasis on the HW/SW interfaces of high-speed communication subsystems Experience in SW verification and HW validation utilizing scripting and/or automation frameworks with experience debugging embedded software systems using system simulators.