Wireless RF PHY Firmware Engineer

Apple Inc

Quick summary

Work type: On-site
Location: San Diego, CA
Salary: $120,300–$210,100 / yr
Posted: 38 days ago

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Competitive pay

How this pay compares to similar roles

Similar $183k

This role $165k

$108k most similar roles pay here $232k

This role pays less than 62% of similar roles. Most pay $156,000–$209,750 — the shaded band above. At the midpoint, this role pays about $165k 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 work closely with product software and manufacturing teams to implement RF calibrations, signal processing algorithms, and testing capabilities across wafer, module, and system factories. Your responsibilities include collaborating with RF design, DVT, PHY, and systems engineering teams to architect innovative solutions, debugging real-time systems using lab equipment, and supporting pre-silicon validation efforts through simulation and FPGA prototyping. Ideal candidates have expertise in embedded firmware development for ARM CPUs, a strong background in wireless communication systems, and proficiency in C, assembly languages, and Python libraries like NumPy/SciPy. This role demands fluency with low-level hardware interfaces and lab equipment, as well as knowledge of industry standards such as 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 production stages.
Implement signal processing algorithms on embedded CPUs for real-time performance.
Debug complex issues in real-time systems using lab equipment and development boards.
Integrate firmware with system-level APIs to enable wireless connectivity features.
Support pre-silicon validation through 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 their implementation on embedded systems.
Knowledge of multi-threaded environments, interrupt handling, and resource management in hardware/firmware integration.
Hands-on experience with lab equipment such as oscilloscopes and logic analyzers for debugging real-time systems.
Familiarity with industry standards for wireless communications like Bluetooth and WLAN.