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Senior Wireless RF PHY Firmware Engineer

2 months ago

Sunnyvale, California, United States Apple Full time
Job Summary

We are seeking a highly skilled Senior Wireless RF PHY Firmware Engineer to join our Wireless Connectivity Silicon team at Apple. 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
  • 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.
  • 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.
What We Offer

At Apple, we offer a comprehensive compensation package, including base pay, discretionary bonuses, commission payments, and relocation assistance. Our employees also have the opportunity to become Apple shareholders through participation in our discretionary employee stock programs. Additionally, we offer a range of benefits, including comprehensive medical and dental coverage, retirement benefits, and reimbursement for certain educational expenses.