Apple is where individual imaginations gather together, committing to the values that lead to great work. Every new product we build, service we create, or Apple Store experience we deliver is the result of us making each other’s ideas stronger. That happens because every one of us shares a belief that we can make something wonderful and share it with the world, changing lives for the better. It’s the diversity of our people and their thinking that inspires the innovation that runs through everything we do. When we bring everybody in, we can do the best work of our lives. Here, you’ll do more than join something — you’ll add something.

Apple’s Cellular Software team is seeking talented, highly motivated and disciplined 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 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 following responsibilities:

– Specify, design, and implement Layer1/PHY Control Software/Firmware of an innovative mobile wireless communications system.

– Implement key scheduling, control processing in tight timeline, latency, and energy constraints.

– Lead design and development activities, problem solve and influence project level decisions (for ICT4 and 5 only).

– Work with other Firmware and Protocol Stack Engineers, Systems Engineers, and Product Architects to collaborate on design and requirements, interface definitions and new features.

– 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 groundbreaking tools for build, formal verification, and test.

– Define methodologies and standards.

Bachelor’s Degree or equivalent plus 5 or more years of relevant industry experienceIn-depth hands-on L1/PHY Software/Firmware experience in Cellular 3G/4G/5G; strong knowledge and experience in embedded real-time control.Understanding of 5G and 4G 3GPP specifications and protocols, or similar Wireless standards, advanced digital signal processing (DSP), communications, information theory, estimation, adaptive filtering, control loops.Strong understanding of software engineering principles using C and/or C++, Real Time Operating Systems (RTOS) and concurrent programming.Working knowledge of computer architecture with particular emphasis on the HW/SW interfaces of high-speed communication subsystems.Experience with silicon prototyping, emulation systems, and virtual platforms.Experience in SW verification and HW validation utilizing scripting and/or automation frameworks with strong experience and proficiency in debugging embedded software systems using system simulators, JTAG debuggers, spectrum analyzers, oscilloscopes.