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Apple Wireless RF PHY FW Engineer 
United States, California, San Diego 
152950362

Yesterday
As an Embedded FW Engineer, the individual will be a core member of a Wireless SoC firmware team, with emphasis on PHY bring up, RF calibrations, signal processing algorithm implementation and performance tuning.
  • BS and 10+ years of relevant industry experience
  • Embedded systems knowledge including:
  • Multi thread environment.
  • Interrupt thread processing/latency.
  • Multi core environment.
  • HW/FW semaphores/resource management.
  • Strong background in embedded FW 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
  • Understanding python match library like numpy/SciPy and how to convert it to embedded C.
  • Understanding difference between fix point and floating points and how to make arithmetic tradeoff and simplify embedded usage.
  • 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.
  • Proficient in at least one of the scripting languages such as Python, Perl, or Tcl.
  • Excellent communication skills – both written and oral.
Note: Apple benefit, compensation and employee stock programs are subject to eligibility requirements and other terms of the applicable plan or program.