Senior Wireless RF PHY Firmware Engineer

5 days 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 growing Wireless Connectivity Silicon team. As a key member of our team, you will be responsible for crafting and implementing embedded firmware for System on a Chip (SoC) bring up and wireless connectivity enablement.

Key Responsibilities
  • Develop and implement embedded firmware for SoC bring up and wireless connectivity enablement.
  • Work closely with product software and manufacturing teams to enable RF and PHY calibrations, algorithms, and testing for productization of the silicon/system.
  • Collaborate 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.
  • Familiarity with digital signal processing algorithms.
  • 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 (is a plus).
  • Comfortable with at least one of the scripting languages such as Python, Perl, or Tcl.
  • Excellent communication skills – both written and oral.
  • Education & 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.
  • Apple will not discriminate or retaliate against applicants who inquire about, disclose, or discuss their compensation or that of other applicants.

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