Wireless RF PHY Firmware Engineer

Apple Inc

Quick summary

Work type: On-site
Location: Sunnyvale, CA
Salary: $126,800–$220,900 / yr
Posted: 38 days ago

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Competitive pay

How this pay compares to similar roles

Similar $183k

This role $174k

$116k most similar roles pay here $232k

This role pays more than 52% of similar roles. Most pay $156,000–$209,750 — the shaded band above. At the midpoint, this role pays about $174k versus about $183k for comparable roles.

Based on 239 similar postings.

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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 638 open roles on FindRole.

Listed pay typically runs $171,600–$272,100 across 505 roles with salary data.

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At a glance

TL;DR · Wireless RF PHY Firmware Engineer

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Join Apple’s Wireless Connectivity Silicon team as a Senior Firmware Engineer, where you will play a pivotal role in developing embedded firmware for SoC bring-up and wireless connectivity enablement. You’ll collaborate closely with product software and manufacturing teams to implement RF and PHY calibrations, algorithms, and testing across wafer, module, and system factories. Your responsibilities include architecting innovative solutions with the RF/Radio design, DVT, PHY, and System engineering teams, debugging real-time systems using lab equipment, and supporting pre-silicon validation efforts through simulation and FPGA prototyping. The ideal candidate has expertise in embedded firmware development for ARM CPUs, digital signal processing algorithms, and multi-core environments, along with a strong understanding of wireless communication standards like Bluetooth and WLAN.

Skills

Python C Assembly ARM RTOS Multithreading Interrupts HW/FW Semaphores Digital Signal Processing Multi core environment Numpy SciPy Fixed point arithmetic Floating point arithmetic Low-level hardware interfaces Register programming Bare-metal software development Clock management Power management Lab equipment Logic analyzers Oscilloscopes Network analyzers Spectrum analyzers Signal generators Power meters Diagnostics Mfg tests Protocol compliance software Bluetooth WLAN ZigBee UWB

What you'll do

Develop SoC test and calibration capabilities for various manufacturing stages.
Implement signal processing algorithms on embedded CPUs for real-time performance.
Debug and resolve complex issues in real-time systems with limited visibility.
Integrate firmware to enable time-critical, online RF calibrations and testing.
Support pre-silicon validation efforts using simulation, emulation, and FPGA prototyping.

What we're looking for

Experience in embedded firmware development using C and assembly for ARM CPUs.
Strong understanding of wireless communication systems, including RF fundamentals and performance metrics.
Proficiency in digital signal processing algorithms and real-time system debugging.
Knowledge of multi-threaded environments, interrupt handling, and resource management.
Familiarity with low-level hardware interfaces and bare-metal software development.
Experience implementing diagnostics and manufacturing tests for embedded systems.
Understanding of industry standards for wireless communications like Bluetooth and WLAN.