Wireless RF PHY Firmware Engineer

Apple Inc

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Quick summary

Work type
On-site
Location
Sunnyvale, CA
Salary
$184,700–$324,800 / yr
Posted
3 days ago
Freshness
Confirmed live yesterday

Market check

Salary context

Above market

How this pay compares to similar roles

Similar $205k
This role $255k
$131k most similar roles pay here $346k

This role pays more than 97% of similar roles. Most pay $168,500–$241,750 — the shaded band above. At the midpoint, this role pays about $255k versus about $205k for comparable roles.

Based on 240 similar postings.

Employer

About Apple Inc

Apple Inc. is a multinational technology company known for designing and manufacturing consumer electronics, software, and online services, including the iPhone, Mac, iPad, and App Store. Industry: Consumer Electronics & Software

Apple Inc currently has 2321 open roles on FindRole.

Listed pay typically runs $175,000–$277,600 across 1891 roles with salary data.

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At a glance

TL;DR · Wireless RF PHY Firmware Engineer

As a Wireless RF PHY Firmware Engineer, you will join the Wireless Connectivity Silicon team to develop embedded firmware for SoC bring up and wireless connectivity enablement. You will be responsible for implementing signal processing algorithms, performing RF calibrations, and developing system-level APIs to support manufacturing and productization needs. Your daily work involves collaborating with hardware and systems teams to architect innovative protocols while debugging real-time systems using development boards and lab equipment like oscilloscopes and spectrum analyzers. The role requires expertise in C, assembly, and Python to translate complex math libraries into embedded code. You will manage multi-core environments, interrupt processing, and power management for wireless communication systems including Bluetooth, WLAN, ZigBee, and UWB. This position focuses on solving critical challenges in high-performance, energy-efficient wireless silicon design and ensuring robust performance across various hardware variations.

What you'll do

  • Develop embedded firmware for SoC bring-up and wireless connectivity enablement.
  • Implement signal processing algorithms and performance tuning on embedded CPUs.
  • Develop SoC test and calibration capabilities for wafer, module, and system factories.
  • Translate Python reference implementations into optimized C code for embedded systems.
  • Debug real-time systems using development boards and lab equipment like oscilloscopes and logic analyzers.
  • Support pre-silicon validation through simulation, emulation, and FPGA prototyping.
  • Perform post-silicon bring-up, performance characterization, and system integration.
  • Implement error handling and recovery mechanisms for hardware and firmware anomalies.

What we're looking for

  • Bachelor of Science degree and 10+ years of relevant industry experience.
  • Knowledge of multi-thread, multi-core environments, interrupt processing, and hardware/firmware resource management.
  • Experience with C and assembly languages for embedded firmware development on ARM CPUs (preferred).
  • Understanding of wireless communication systems, Radio/PHY fundamentals, and digital signal processing algorithms (preferred).
  • Proficiency in scripting languages such as Python, Perl, or Tcl (preferred).
  • Fluency in using lab equipment like logic analyzers, oscilloscopes, and spectrum analyzers (preferred).
  • Knowledge of wireless standards such as Bluetooth, WLAN, ZigBee, or UWB (preferred).
  • Experience with low-level hardware interfaces, bare-metal development, and manufacturing test software (preferred).

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