Appleposted about 1 month ago
Senior
San Diego, CA

About the position

You will be part of a dynamic group & have the rare and extraordinary opportunity to craft products that will delight and encourage millions of Apple’s customers. In this role, you will be responsible for bringup, integration & tuning of PHY/Radio on internal silicon solutions from pre-silicon, through bringup, and until shipping in your favorite Apple products. In this individual technical contributor role, you will be responsible for the pre- and post-silicon bringup of key PHY and radio system for state-of-the-art wireless SOC products.

Responsibilities

  • Transmit and receive chain bringup, tuning, and debug
  • Optimizing PHY and calibration algorithms such as TPC, AGC, TSSI, RSSI, interference mitigation and others
  • Collaborate closely with other PHY systems and algorithm engineers as well as MAC, Radio, and digital circuit designers
  • Develop chip control drivers and reference implementations in the bringup environment
  • Work closely with firmware engineers to integrate these algorithms into the firmware
  • Guide and assist the characterization team in identifying and resolving reported issues

Requirements

  • BS and 10+ years of relevant experience

Nice-to-haves

  • Experience, knowledge and skills on wireless system design, integration, bring up, characterization and debug of wireless communication systems, ideally on an SOC
  • Proficiency in wireless transceivers, RF front-end architectures and performance tradeoffs
  • Proficiency in system-level parametrics, such as EVM and Sensitivity, and impairment mitigation
  • Understanding of communication theory and signal processing related algorithms (such as timing recovery, signal estimation and detection, automatic gain control, RF impairment estimation and correction, channel estimation, equalization)
  • Proficiency using and understanding of the theory of operation of lab equipment (spectrum analyzer, signal generator, power meter)
  • Experience with at least one of Matlab, Python, Shell scripting and/or C/C++
  • Experience with automation infrastructure development (traceability, repeatability) and related tools (GIT, CI, database, reporting tools)
  • Knowledge in existing wireless communication protocols: 802.11a/b/g/n/ac/ax/be, LTE/WCDMA/GSM, or 802.11ad/ay
  • Preferred advanced degrees MS or Ph.D in Electrical Engineer or Computer Engineering

Job Keywords

Hard Skills
  • Apple Products
  • Git
  • MATLAB
  • Python
  • Shell Script
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