Apple · 13 hours ago
5G/4G Physical Layer Firmware Verification and Integration Engineer
San Diego, CA
Full-time
Onsite
Mid Level
$120K/yr - $181K/yrApple 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, collaborating with various teams to develop and verify cutting-edge wireless technologies.
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
Minimum requirement of a bachelors degree
Strong understanding of wireless and digital communication theory and concepts such as Modulation, channel coding techniques and digital signal processing
Good knowledge of wireless signal propagation, channels fading and RF concepts
Understanding of basic Cellular communication systems and various division multiple access techniques
Good programming/Coding ability using C/C++, Python or any other language
Analytical and debugging skills, with the ability to diagnose complex issues and collaborate effectively with development/design teams for resolution
Knowledge of 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
Basic Knowledge of 4G/5G 3GPP physical layer and protocol stack procedures and configurations
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.
Founded in 1976
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)
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 CompanyTotal Funding
$5.67BKey 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
Tim Cook
CEO
Craig Federighi
SVP, Software Engineering
Recent News
Venrock
2025-12-01
2025-09-25
Mac Daily News
2025-09-25
Company data provided by crunchbase