Apple’s Cellular Software team is seeking talented, highly motivated Engineers to work across layers on groundbreaking cellular technologies. The position involves identifying, design and/or developing core cellular technologies that solves 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 proven 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. Our members enjoy the flexibility to work on all aspects of Cellular Protocol software - Data Path, SIM, NAS, AS and iOS interfaces, to come up with the best possible solution for any given problem. Are you equally passionate about cellular technologies and have the dream to work on groundbreaking cellular technologies? Then we are looking for you. As part of this team you will impact iPhone user experience worldwide. Strong Software Engineering skills including design, programming (using C, C++), scripting (Python preferred, Perl) and debugging. Very good understanding about Embedded Systems concepts Obsessively passionate and inquisitive with a focus on solving everyday problems in innovative ways Excellent communication and documentation skills Knowledge of wireless/internet standards, including but not limited to 3GPP 5G-NR and LTE L1C control software and Data protocols (SDAP/PDCP/RLC/MAC) and their applications in end to end product design Understanding of protocols such as TCP/UDP/IP/QUIC/RRC/NAS Experience with silicon prototyping, emulation systems, and virtual platforms Good understanding of Machine-learning algorithms Bachelors/Master degree in Computer Science, Electrical Engineering, Wireless Communications or equivalent majors