Embedded 5G/4G Cellular Physical Layer Data Path Signal Processing Firmware Engineer

Apple Inc

Confirmed live yesterday Trusted

Quick summary

Work type: On-site
Location: San Diego, CA
Salary: $175,000–$308,500 / yr
Posted: 93 days ago
Freshness: Confirmed live yesterday
Nearby: 99+ roles within 25 mi

Market check

Salary context

Above market

How this pay compares to similar roles

Similar $190k

This role $242k

$131k most similar roles pay here $327k

This role pays more than 88% of similar roles. Most pay $159,000–$222,000 — the shaded band above. At the midpoint, this role pays about $242k versus about $190k 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 1984 open roles on FindRole.

Listed pay typically runs $175,000–$277,600 across 1590 roles with salary data.

Most-posted roles

View all roles at Apple Inc

At a glance

TL;DR · Embedded 5G/4G Cellular Physical Layer Data Path Signal Processing Firmware Engineer

Role Posting Log in to save

Embedded 5G/4G Cellular Physical Layer Data Path Signal Processing Firmware Engineer will join a silicon design group focused on crafting and productizing powerful cellular SoCs. This role involves implementing cellular physical layer algorithms on digital or vector signal processors while adhering to strict time, latency, memory, and energy constraints by interfacing with specialized cellular ASIC hardware. Key responsibilities include developing firmware for 3GPP channels like PDCCH and PDSCH, refining signal processing algorithms for efficient execution, and validating bit-exactness of fixed-point firmware against algorithmic references. The candidate will utilize C, C++, and Python to develop firmware architecture and automation tools. Required expertise includes experience with silicon prototyping, emulation systems, and virtual platforms. The work centers on solving complex wireless communication challenges within the 4G, 5G, and 6G multimode cellular firmware space for high-speed communication subsystems.

Skills

C C++ Python Digital Signal Processing Firmware RTOS 3GPP 4G 5G Linear Algebra Silicon Emulation Machine Learning Generative AI Source Code Control

What you'll do

Implement cellular physical layer algorithms on digital/vector signal processors with strict time, memory, and energy constraints.
Develop firmware to implement 3GPP channels and procedures such as PDCCH, PDSCH, PBCH, PUCCH, PUSCH, PRACH, and HARQ.
Execute signal processing tasks including channel estimation, interference cancellation, cell search, and beam measurement.
Design and implement firmware architectures optimized for power, performance, and cost.
Develop and validate bit-exact fixed-point firmware against algorithmic references.
Utilize pre-silicon emulation systems and virtual platforms to assist in the verification process.
Create automation tools and scripts using Python for build processes and testing.
Define methodologies and standard processes for firmware development and hardware integration.

What we're looking for

Bachelor of Science degree and at least 10 years of relevant industry experience.
Experience implementing digital signal processing algorithms or wireless physical layer channels using specialized hardware.
Deep understanding of software engineering principles and core computer science fundamentals.
Proficiency in C, C++, compilers, build tools, and source code control systems.
Knowledge of computer architecture with a focus on high-speed communication subsystem hardware/software interfaces.
Experience with silicon prototyping, emulation systems, and virtual platforms.
Ability to write Python scripts for developing automation tooling.
Familiarity with 3GPP cellular standards, RTOS, and machine learning concepts.

Similar roles