Wireless RF PHY Firmware Engineer

Join Apple's Wireless Connectivity Silicon team as a Wireless RF PHY Firmware Engineer, responsible for crafting and implementing embedded firmware for SoC bring up and wireless connectivity enablement. Collaborate with product software and manufacturing teams to enable RF and PHY calibrations, algorithms and testing to enable productization of the silicon/system.

Requirements

• Bachelors Degree in EE, CE, or related field
• Embedded systems knowledge including: Multi thread environment, Interrupt thread processing/latency, 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, Multi core environment
• Understanding of Python match library like numpy/SciPy and how to convert it to embedded C
• Understanding of 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, and power meters
• Experience implementing diagnostics, manufacturing tests, and protocol compliance software
• Knowledgeable of industry standards for wireless communications such as Bluetooth, WLAN, ZigBee, UWB
• Proficient in at least one of the scripting languages such as Python, Perl, or Tcl
• Excellent communication skills – both written and oral