Senior Wireless RF PHY Firmware Engineer

4 weeks ago


San Diego, California, United States Apple Full time
Job Summary

Apple is seeking a highly skilled Senior Wireless RF PHY Firmware Engineer to join our Wireless Connectivity Silicon team. As a key member of our team, you will be responsible for crafting and implementing embedded firmware for SoC bring up and wireless connectivity enablement.

Key Responsibilities
  • Design and develop embedded firmware for wireless connectivity systems
  • Collaborate with product software and manufacturing teams to enable RF and PHY calibrations, algorithms, and testing
  • Develop SoC test and calibration capabilities for wafer, module, and system factories
  • Work closely with RF/Radio design, DVT, PHY, and System engineering teams to architect, define, and implement innovative algorithms, calibrations, and protocols
  • Debug real-time systems with limited visibility, working hands-on with development boards and lab equipment
  • Support pre-silicon validation efforts, including simulation, emulation, and FPGA prototyping
  • Support post-silicon bringup, validation, performance characterization, system integration, and debug
Requirements
  • Strong background in embedded firmware development using C and assembly languages, familiarity with ARM CPUs and its internals
  • Good understanding of embedded wireless communication systems, Radio and PHY fundamentals, and key RF performance metrics
  • Experience with low-level hardware interfaces, register and interrupt programming, bare-metal software development, clock, and power management
  • Solid understanding of basic embedded concepts such as RTOS, concurrency, multi-processor systems
  • Fluency in using lab equipment such as logic analyzers, oscilloscopes, network analyzers, spectrum analyzers, signal generators, power meters, etc.
  • Experience implementing diagnostics, manufacturing tests, and protocol compliance software
  • Knowledgeable of industry standards for wireless communications such as Bluetooth, WLAN, Zigbee, UWB (optional)
  • Comfortable with at least one of the scripting languages such as Python, Perl, or Tcl
  • Excellent communication skills - both written and oral
Education and Experience

BS and 10+ years of relevant industry experience. MSEE and PhD is preferred.

Additional Requirements
  • Apple is an equal opportunity employer that is committed to inclusion and diversity. We also take affirmative action to offer employment and advancement opportunities to all applicants, including minorities, women, protected veterans, and individuals with disabilities.


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