Apple · 1 month ago
5G/4G Physical Layer Firmware Verification and Integration Engineer
San Diego, California, United States
Full-time
Onsite
Mid Level
$140K/yr - $258K/yr
3+ years expApple is where individual imaginations gather together, committing to the values that lead to great work. We are seeking a highly skilled Firmware Verification and Integration Engineer to play a critical role in ensuring the quality and performance of our 4G/5G firmware.
AppsArtificial Intelligence (AI)BroadcastingDigital EntertainmentFoundational AIMedia and EntertainmentMobile DevicesOperating SystemsTVWearables
Responsibilities
Designing and developing robust validation frameworks and comprehensive test cases for 4G/5G firmware
Implementing and maintaining test automation for 4G/5G User Equipment (UEs), test simulators, and carrier OTA drops
Verifying critical protocol, signal processing, and numerical algorithms, ensuring performance within stringent time, latency, and energy budgets
Debugging and analyzing issues identified during testing, working closely with firmware development and systems design teams to drive resolution
Evaluating and implementing advanced tools for build, formal verification, and testing processes
Qualification
Required
BS and a minimum of 3 years relevant industry experience
Expertise in 4G/5G 3GPP physical layer and protocol stack procedures and configurations
Demonstrated experience in Modem system test plan and feature release planning for 4G/5G functional and performance scenarios
Strong understanding of 4G/5G signaling and physical layer Test Equipments, including their automation interfaces
Excellent analytical and debugging skills, with the ability to diagnose complex issues and collaborate effectively with development/design teams for resolution
Proficiency with source code control tools
Ability to quickly adapt and learn new architectures and frameworks
Familiarity with AI/ML tools and techniques for test optimization, data analysis, or complex system verification
Preferred
Master's degree in Electrical Engineering, Computer Science, or a related field
Experience with network emulators, silicon prototyping, emulation systems, and virtual platforms
Proficiency in automation tools and scripting languages (e.g., Python, C/C++, Java)
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
Apple is a technology company that designs, manufactures, and markets consumer electronics, personal computers, and software.
10001+ employees
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)
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Trends of Total Sponsorships
2025 (6998)
2024 (3766)
2023 (3939)
2022 (4822)
2021 (4060)
2020 (3656)
Funding
Current Stage
Late StageTotal Funding
$5.67BKey Investors
Berkshire HathawayMicrosoftSequoia Capital
2026-01-10Pre Seed· $1M
2025-05-05Post Ipo Debt· $4.5B
2025-01-16Post Ipo Debt· $0.31M
Leadership Team
Tim Cook
CEO
Craig Federighi
SVP, Software Engineering
Recent News
Venrock
2025-12-01
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Mac Daily News
2025-09-25
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