Embedded 5G/4G Cellular RF Software/Firmware Engineer jobs in United States
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Apple · 12 hours ago

Embedded 5G/4G Cellular RF Software/Firmware Engineer

positionSunnyvale, California, United States
timeFull-time
remoteOnsite
seniorityMid Level
money$140K/yr - $258K/yr
date3+ years exp

Apple is a leading technology company known for its innovative products and services. They are seeking a Wireless Firmware Engineer to work on embedded 5G/4G cellular firmware, collaborating with cross-functional teams to enhance product performance and user experience. The role involves designing and developing the physical layer embedded software architecture for mobile wireless communications systems.

AppsArtificial Intelligence (AI)BroadcastingDigital EntertainmentFoundational AIMedia and EntertainmentMobile DevicesOperating SystemsTVWearables
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Comp. & Benefits
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H1B Sponsor Likelynote

Responsibilities

Specify, design, and develop the physical layer embedded software architecture of a state-of-the-art mobile wireless communications system
Design, develop and optimize the cellular modem processing algorithms pertaining to Baseband and RF components in a cellular system
Work with Baseband & RF systems and hardware designers to define hardware architecture and software computing requirements
Work with cross functional teams to manage dependencies while driving the key Radio features

Qualification

4G/5G protocolsDigital signal processingCC++Embedded software designCPU architectureDebugging embedded systemsCommunication theoryWireless standardsRadio architecture

Required

BS and 3 + years of relevant industry experience
Knowledge of mobile communications in 4G/5G 3GPP protocols and physical layer & radio aspects
Solid understanding of Digital signal processing and RF fundamentals
Solid understanding of software engineering principles, and core computer science fundamentals
Excellent command of C and C++, and working experience with compilers, build and source code control tools
Working knowledge of CPU architecture, HW/SW interfaces and memory management
Proficiency with debugging in embedded software systems
Familiarity with JTAG and ETM Trace tools
Knowledge of Communication theory, Wireless standards, Radio architecture and Interfaces

Preferred

Previous working experience in a real time embedded product
Previous working experience developing RFSW for a cellular Modem

Benefits

Comprehensive medical and dental coverage
Retirement benefits
A range of discounted products and free services
Reimbursement for certain educational expenses — including tuition
Discretionary bonuses or commission payments
Relocation

Company

Apple

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Apple is a technology company that designs, manufactures, and markets consumer electronics, personal computers, and software.
dateFounded in 1976
location
Cupertino, California, USA
people-size10001+ employees
web-link
https://www.apple.com

H1B Sponsorship

Apple has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (6998)
2024 (3766)
2023 (3939)
2022 (4822)
2021 (4060)
2020 (3656)

Funding

Current Stage
Public Company
Total Funding
$5.67B
Key Investors
Berkshire HathawayMicrosoftSequoia Capital
2025-05-05Post Ipo Debt· $4.5B
2025-01-16Post Ipo Debt· $0.31M
2021-04-30Post Ipo Equity

Leadership Team

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Tim Cook
CEO
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Craig Federighi
SVP, Software Engineering

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