Silicon Design Engineer

6 days ago


Sunnyvale, California, United States Apple Full time
About the Role

We are seeking a highly skilled Firmware Engineer to join our Wireless Connectivity Silicon Team at Apple. As a key member of our team, you will be responsible for designing, developing, and bringing up innovative wireless silicon for various Apple products.

Key Responsibilities
  • Design and develop firmware architecture and design, including calibrations, real-time processing flows, collaboration with RF hardware, microcode, and MAC layer.
  • Develop highly efficient designs delivering outstanding performance, optimizing power and memory footprints while meeting hard-realtime latency requirements.
  • Debug real-time systems with limited visibility, working hands-on with development boards and lab equipment.
  • Collaborate with Radio, MAC, and Systems engineering teams to architect, define, and implement innovative algorithms, calibrations, and protocols.
  • Support pre-silicon validation efforts, including simulation, emulation, and FPGA prototyping.
  • Develop SoC test and calibration capabilities for chip, module, and product factories.
  • Support post-silicon bringup, validation, performance characterization, system integration, and debugging.
  • Repeatedly measure and optimize results using various test harnesses.
  • Automate calibration and verification processes.
Requirements
  • Extensive technical background in one or more of the following: wireless systems and protocols, embedded SW fundamentals, data structures, object-oriented design, and system architecture.
  • Hands-on experience and working knowledge of wireless systems and protocols such as LTE/NR/WiFi/Bluetooth.
  • Excellent problem-solving skills to address technical issues during design, development, and maintenance phases.
  • Strong software engineering skills including design, development (using C, C++), scripting (Python), and debugging.
  • Familiarity with low-level hardware interfaces, register and interrupt programming, bare-metal software development, clock and power management.
  • Experience with configuration (GIT, Perforce) and release management, continuous integration, unit and regression testing.
  • Strong understanding of design strategies for maintainability, scalability, and code reuse.
  • Excellent communication skills - both written and oral.
  • Highly organized, motivated, and passionate about driving results.
Education & Experience

BS with 3 plus years of industry experience.



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