Job Description

At Apple, creative thinking and thoughtful insights quickly transform into extraordinary products. Our successes are the result of highly skilled teams working in an environment that nurtures creativity, partnership and growth to produce novel solutions to tough problems. As a firmware engineer in the Wireless Connectivity Silicon Team, you will be responsible for the design, development, and bringup of innovative, fresh wireless silicon for various Apple products - the iPhone, Mac and more! New challenges arise every day that require the sharp problem‑solving skills of passionate individuals dedicated to excellence. Are you ready to take on this challenge? Description We are looking for talented, creative and principled engineers who are well‑versed with low‑level embedded firmware and especially wireless PHY‑layer firmware architecture and design— calibration algorithms, noise/interference processing, realtime processing flows, interfacing with RF hardware, power management/optimization, microcode, and/or MAC layer knowledge. You will be involved in the entire silicon production life‑cycle, from pre‑silicon validation using simulation, emulation, and FPGA prototyping to post‑silicon bringup, performance characterization, system integration and debug, and finally to developing SoC test and calibration capabilities for chip, module, and product factories, after which you will see your hard work come to life in products used and loved by millions of people around the world. Engage in a dynamic, highly collaborative environment, and play a significant part of the development of new silicon for Apple eco‑systems. 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 Minimum Qualifications BS with 3 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 Qualifications 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. At Apple, base pay is one part of our total compensation package and is determined within a range. This provides the opportunity to progress as you grow and develop within a role. The base pay range for this role is between $139,500 and $258,100, and your base pay will depend on your skills, qualifications, experience, and location. Apple employees also have the opportunity to become an Apple shareholder through participation in Apple’s discretionary employee stock programs. Apple employees are eligible for discretionary restricted stock unit awards, and can purchase Apple stock at a discount if voluntarily participating in Apple’s Employee Stock Purchase Plan. You’ll also receive benefits including: Comprehensive medical and dental coverage, retirement benefits, a range of discounted products and free services, and for formal education related to advancing your career at Apple, reimbursement for certain educational expenses — including tuition. Additionally, this role might be eligible for discretionary bonuses or commission payments as well as relocation. Learn more about Apple Benefits. Note: Apple benefit, compensation and employee stock programs are subject to eligibility requirements and other terms of the applicable plan or program. Apple is an equal opportunity employer that is committed to inclusion and diversity. We seek to promote equal opportunity for all applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, Veteran status, or other legally protected characteristics. Learn more about your EEO rights as an applicant . Apple accepts applications to this posting on an ongoing basis. #J-18808-Ljbffr Apple Inc.

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