Experience Inc. Jobs

Job Information

Apple Sr Cellular Layer1 Control Software Dev Engineer in San Diego, California

Sr Cellular Layer1 Control Software Dev Engineer

San Diego,California,United States

Software and Services

Add a favorite

To view your favorites, sign in with your Apple ID.

Sign In

Don’t have an Apple ID?

  • Create one now

  • Forgot your Apple ID or password?

Submit Resume Sr Cellular Layer1 Control Software Dev Engineer

Back to search results


Posted:Oct 12, 2023

Weekly Hours: 40

Role Number: 200490869

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.

Key Qualifications

  • Minimum BS and 10 or more years of relevant industry experience

  • In-depth hands-on L1/PHY Software/Firmware experience in Cellular 3G/4G/5G; strong knowledge and experience in embedded real-time control.

  • Understanding of 5G and 4G 3GPP specifications and protocols, or similar Wireless standards, advanced digital signal processing (DSP), communications, information theory, estimation, adaptive filtering, control loops.

  • Strong understanding of 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.

  • Experience with silicon prototyping, emulation systems, and virtual platforms.

  • Experience in SW verification and HW validation utilizing scripting and/or automation frameworks with strong experience and proficiency in debugging embedded software systems using system simulators, JTAG debuggers, spectrum analyzers, oscilloscopes.


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 with following responsibilities: - Specify, design, and implement Layer1/PHY 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. - Lead design and development activities, problem solve and influence project level decisions. - Work with other Firmware and Protocol Stack Engineers, Systems Engineers, and Product Architects to collaborate on design and requirements, interface definitions and new features. - 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.

Education & Experience

Minimum BSEE/CS and 10 or more years of relevant industry experience.

Additional Requirements

Pay & Benefits

  • 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 $131,500 and $243,300, 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 (https://www.apple.com/careers/us/benefits.html) 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 Footer

Apple is an equal opportunity employer that is committed to inclusion and diversity. We take affirmative action to ensure 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 (Opens in a new window) .

Apple will not discriminate or retaliate against applicants who inquire about, disclose, or discuss their compensation or that of other applicants. United States Department of Labor. Learn more (Opens in a new window) .

Apple will consider for employment all qualified applicants with criminal histories in a manner consistent with applicable law. If you’re applying for a position in San Francisco, review the San Francisco Fair Chance Ordinance guidelines (opens in a new window) applicable in your area.

Apple participates in the E-Verify program in certain locations as required by law. Learn more about the E-Verify program (Opens in a new window) .

Apple is committed to working with and providing reasonable accommodation to applicants with physical and mental disabilities. Reasonable Accommodation and Drug Free Workplace policy Learn more (Opens in a new window) .

Apple is a drug-free workplace. Reasonable Accommodation and Drug Free Workplace policy Learn more (Opens in a new window) .