Cellular Layer 1 Control Software Development Engineer
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. 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 solve 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.
Description
In this role you will be a key member of the Cellular Layer1 Control Software team with the 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.
Minimum Qualifications
- Bachelor's Degree or equivalent plus 5 or more years of relevant industry experience.
- In-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.
Preferred Qualifications
- Technical leadership experience in Cellular and or Wireless Embedded Software design and development.
- Product life cycle hands-on experience from concept, design and development through pre-silicon validation, chip bring up, stabilization, power and performance optimization, commercialization.
- Knowledge of communications systems theory and digital signal processing concepts.
Apple is an equal opportunity employer that is committed to inclusion and diversity. We take affirmative action to ensure 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.
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