PHY Systems Engineer

San Diego, California, United States


Role Number:200546336
Imagine what you could do here. At Apple, new ideas have a way of becoming extraordinary products, services, and customer experiences very quickly. Bring passion and dedication to your job and there's no telling what you could accomplish! Join us to help deliver the next groundbreaking Apple product. Do you love working on challenges that no one has solved yet? As a member of our dynamic group, you will have the unique and rewarding opportunity to craft upcoming products that will delight and inspire millions of Apple’s customers every single day. Wireless technologies have become a crucial part of all Apple devices that delight our customers. With the latest developments in cellular, we apply a sophisticated simulation platform to study performance of our devices in complicated radio and network conditions and gain insights for system design. We are looking for an experienced PHY Systems Engineer who has a deep understanding of wireless technology. In this role you will be at the center of a silicon design group responsible for physical layer system and algorithm design for pioneering wireless SoC products, with a focus in wireless system design, modeling, and simulations.


You will take part in the pioneering work of creating and developing innovative PHY algorithms and simulation models which enable cellular modem system design and verification for very high-data rate applications. Your responsibilities will include but are not limited to: - Design and implement 4G/5G PHY models for pre-silicon simulation and verification. - Perform functional and performance verification of the PHY models using internal and 3rd Party test tools as well as test data provided by external network vendors. - Contribute to link-level simulator modelling, meaningful metric testing and framework design. - Design PHY test cases for new features and drive bring-up and issue resolution. - Integrate PHY reference models in PHY only, reduced signaling and full stack pre-silicon simulation and verification environments in close cooperation with our HW and FW design teams - Perform research activities and requirements management to anticipate the impact on algorithms, configuration and scheduling according to the latest 3GPP standards - Actively contribute to software architecture and design for existing and future PHY projects - Collaborate across functional teams to define and document project requirements, concepts, model architecture, interfaces and APIs. - Contribute to simulator configuration management and perform SW releases

Minimum Qualifications

Key Qualifications

  • Deep knowledge of communication system theory and PHY signal processing
  • Validated track-record in SW and simulator design in C++, including experience with simulator frameworks and configuration management.
  • In-depth knowledge of wireless communication systems with hands-on experience in 4G/5G PHY design, pre-silicon verification and critical metric testing
  • Experience with Matlab, C++ and/or Python programming including substantial knowledge of algorithms and data structures, memory and runtime profiling as well as code optimization techniques.
  • Solid knowledge of current cellular communication standards: 5G (NR) and 4G (LTE).
  • Experience in chip bring-up including the use of lab equipment is a plus
  • Strong analytical and problem-solving skills (linear algebra, random processes, estimation and detection, debugging and fixing of defects, …).

Preferred Qualifications

Education & Experience

BS and 10+ years of relevant experience.

Additional Requirements

Pay & Benefits

  • 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.