Apple · 1 day ago
Wireless Embedded Firmware Engineer
Irvine, CA
Full-time
Onsite
Senior Level, Lead/Staff
$140K/yr - $258K/yr
10+ years expApple is a company that transforms creative thinking into extraordinary products. As a firmware engineer in the Wireless Connectivity Silicon Team, you will design and develop innovative wireless silicon for various Apple products, engaging in the entire silicon production life-cycle from validation to performance characterization.
AppsArtificial Intelligence (AI)BroadcastingDigital EntertainmentFoundational AIMedia and EntertainmentMobile DevicesOperating SystemsTVWearables
Responsibilities
Develop resource-constrained firmware for PHY-layer baseband control and low-level platform infrastructure (drivers/HAL, debug, ISRs, IPC, memory config)
Contribute to Python-based tools to aid firmware development and validation
Collaboration with Radio, MAC, and Systems engineering teams to architect, define and implement innovative algorithms, calibrations, and protocols
Support of pre and post-silicon validation, bringup, and performance characterization
Debug real-time systems with limited visibility, working hands-on with development boards and lab equipment
Develop SoC test and calibration capabilities for chip, module, and product factories
Qualification
Required
BS with 10 plus years of industry experience
Fluency in C/C++ programming for embedded systems (RTOS and/or bare-metal)
Background in microcontrollers, SoCs, or embedded processors and familiarity with low-level hardware interaction (GPIOs, UART, SPI, I2C, ADC/DAC, etc.)
Understanding of low-power design, memory management, timing analysis, and performance optimization in resource-constrained environments
Solid foundation of real-time operating systems concepts such as task scheduling, interrupt management, synchronization, and inter-process communication
Deep understanding of data structures, object-oriented design, and system architecture in an embedded environment
Preferred
Experience using Python as a support language for test automation, data analysis, and tool development to aid firmware validation and regression testing
Experience in wireless systems and protocols such as LTE/NR/WiFi/Bluetooth
Familiarity with key PHY performance metrics, such as EVM (Error Vector Magnitude), phase noise, frequency error, transmit power, and packet error rate (PER) measurements
Experience with pre-silicon bringup and validation on FPGA and emulation platforms
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)
Distribution of Different Job Fields Receiving Sponsorship
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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
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2025-12-01
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Mac Daily News
2025-09-25
Company data provided by crunchbase