RF Software Engineer Sunnyvale,California,United States Hardware 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 modem team, you’ll craft sophisticated groundbreaking embedded firmware that deliver more performance in our products than ever before. You’ll work across fields to transform improved hardware elements into a single, integrated design. 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 of what wireless systems can do and improve the product experience for our customers across the world. Do you want to have an impact on every single Apple product? As a RF Software Engineer on the Cellular FW team, you will be at the center of the embedded 5G/4G/multimode cellular firmware effort within a silicon design group responsible for crafting and productizing innovative cellular SoCs! This position requires someone comfortable with all aspects of embedded software development, that thrives in a multifaceted multi-functional organization, is not afraid to debate ideas openly, and is flexible enough to shift on constantly evolving requirements. **Description** - Design and implement RF device drivers and RF software to control RF transceivers and RF front end components with detailed timing requirements. - Design, develop and optimize the cellular modem processing algorithms pertaining to Baseband and RF components in a cellular system. - Work with Baseband & RF systems and hardware designers to define hardware architecture and software computing requirements. - Work with multi-functional teams to lead dependencies while driving the key Radio features. **Minimum Qualifications** + Minimum BS with 3 + years of relevant industry experience. + Knowledge of mobile communications in 4G/5G 3GPP protocols and radio architecture and interfaces. + Knowledge of RF transceiver and RF front end components control for 4G/5G radio. + Understanding of RF calibrations for compensating RF impairments. + Deep understanding of software engineering principles, and core computer science fundamentals. + Excellent in embedded C/C++ programming, and working experience with compilers, build and source code control tools. + Experience with using RF Test equipment for RF validation and debugging. + Proficiency with debugging in embedded software systems. **Key Qualifications** **Preferred Qualifications** + Understanding of design principles to meet tight real time deadlines a plus. + Familiarity with other Radio technologies such as WiFi/BT. + Experience with live network cellular device issue triage. + Familiarity with 3GPP regulatory test cases. + Experience with the production of cellular devices. **Education & 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 $143,100 and $264,200, 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 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. (https://www.eeoc.gov/sites/default/files/2023-06/22-088\_EEOC\_KnowYourRights6.12ScreenRdr.pdf) **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) . 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