Cellular Layer1 Control Software Development Engineer

Cellular Layer1 Control Software Development Engineer San Diego, California, United States Software and Services Join our Wireless Technologies and Ecosystems (WTE) team and drive innovation that matters! We build and seamlessly integrate technologies that enrich people’s lives and deliver the best user‑experience. We're a passionate and critical team that designs, develops and integrates software for cellular chipsets in Apple products. You will join a hands‑on development team that nurtures creativity and generates novel solutions to deliver engineering perfection. Do you have a passion for invention and self‑challenge? Do you thrive on pushing the limits of what’s considered feasible? As part of a world class cellular team, you’ll craft sophisticated groundbreaking embedded software that deliver more performance in our products than ever before. Join us, and you’ll help us innovate new cellular technologies that continually outperform the previous iterations! By collaborating with other product development groups across Apple, you’ll push the industry boundaries, redefine what wireless systems can do and improve the product experience for our customers across the world. Description Apple’s Cellular Software team is seeking talented, highly motivated and disciplined engineers to work across layers on groundbreaking cellular technologies. The position involves identifying and/or developing core cellular technologies that solves everyday problems for customers using iPhone, iPad, Watch and other wireless product lines. We are passionate about keeping our users connected 24/7 wherever they go. This team takes pride in not just coming up with proven software designs but also in disrupting traditional models of the cellular ecosystem. We do whatever it takes to bring user experience to the next level. In this role you will be a key member of the Cellular Layer1 Control Software team. Responsibilities Specify, design, and implement PHY/Layer1 Control Software/Firmware of a state‑of‑the‑art mobile wireless communications system. Implement key scheduling, control processing in tight timeline, latency, and energy constraints. Assist in the development of pre‑silicon emulation systems/virtual platforms and use them for pre‑silicon Layer1 Control SW design and verification. Evaluate and implement leading edge tools for build, formal verification, and test. Define methodologies and standards. Minimum Qualifications Bachelors and/or Masters degree in Computer Science, Computer Engineering, Electrical Engineering or related field. 0-3 years of experience in software engineering principles using C and/or C++, Real Time Operating Systems (RTOS) and concurrent programming. Working knowledge of computer architecture with particular emphasis on the HW/SW interfaces of high‑speed communication subsystems. Preferred Qualifications In‑depth hands‑on experience with real‑time, embedded cellular 3G/4G/5G PHY L1 Software/Firmware. Strong knowledge of embedded real‑time control, advanced digital signal processing (DSP), communications, information theory, estimation, adaptive filtering, control loops; other advanced DSP, communication and RF topics a plus. Experience in SW verification and HW validation utilizing scripting and/or automation frameworks with strong experience debugging embedded software systems using system simulators, spectrum analyzers, oscilloscopes, JTAG debuggers. Experience with silicon prototyping, emulation systems, and virtual 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 $120,300 and $210,100, 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