Cellular Protocol Development Engineer

Join the Wireless Technologies and Ecosystems (WTE) organization and be part of an outstanding team of engineers, working with multi-functional teams to drive innovation and develop products used by millions worldwide. We are looking for a highly reciprocal individual who can excel in a high-paced environment. Be ready to make something extraordinary when you come here. Dynamic, encouraging people and innovative, industry-defining technologies are the norm at Apple. The people who work here have reinvented and defined entire industries with our products and services. The same real passion for innovation also applies to our business practices - strengthening our dedication to leave the world better than we found it. You should join Apple if you want to help deliver the next amazing Apple product.

Description

Apple's Cellular Software team is seeking versatile, highly motivated and focused engineers to work across layers on groundbreaking cellular technologies. The position involves identifying 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 invent 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 - 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.

This role requires critical expertise in multiple layers in cellular protocols, experience with UE and/or NW protocols development for various 3GPP technologies is important.

The candidate must demonstrate tried understanding of relevant protocol procedures and network interactions.

","responsibilities":"Responsible for the end-to-end lifecycle of critical cellular features

Translate complex 3GPP specifications (Rel-16, Rel-17 and beyond) for 5G NR and 4G LTE into efficient, maintainable C code

Own features from architectural design through implementation, focusing on NAS (5GMM/5GSM) protocol layers

Design and implement state machines and data structures

Lead interactions within a multi-threaded RTOS environment

Debug system-level issues on target hardware

Analyze protocol logs from test teams

Collaborate with multiple cross-functional teams

Ensure feature stability and performance

Drive features and bug fixes through integration, field testing, commercialization, and post-launch support

Preferred Qualifications

Experience with cellular protocol stacks preferred 2G, 3G, LTE and 5G NR.

Stay adaptable in how you solve problems.

Pursue excellence by removing ambiguity and acting decisively.

Minimum Qualifications

Strong coding skill in C or C++

Algorithm, Data Structures, Embedded System Knowledge

Bachelor or Graduate degree in Electrical Engineering, Computer Engineering, Computer Science or equivalent degree.

Apple is an equal opportunity employer that is committed to inclusion and diversity. We seek to promote equal opportunity for all applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, Veteran status, or other legally protected characteristics. Learn more about your EEO rights as an applicant .