Cellular Systems Simulations Integration Engineer San Diego,California,United States Hardware Imagine what you could do here. At Apple, new ideas have a way of becoming extraordinary products, services, and customer experiences very quickly. Bring passion and dedication to your job and there's no telling what you could accomplish! Join us to help deliver the next groundbreaking Apple product. Do you love working on challenges that no one has solved yet? As a member of our dynamic group, you will have the unique and rewarding opportunity to craft upcoming products that will delight and inspire millions of Apple’s customers every single day. Wireless technologies have become a crucial part of all Apple devices that delight our customers. With the latest developments in cellular, we apply a sophisticated simulation platform to study the performance of our devices in complicated radio and network conditions and gain insights for system design. In this role, you will be at the center of a silicon design group responsible for physical layer systems for pioneering wireless SoC products, with a focus in wireless system design, modeling, and simulations. **Description** The candidate will take part in the pioneering work of designing and developing innovative cross-layer simulation model infrastructure and toolsets, which will play an important role in cellular R&D across teams within Apple. The responsibilities will include but not be limited to: Integrate PHY reference models in PHY only, reduced signaling, and full stack pre-silicon simulation and verification environments used by systems engineering, HW, FW and SW development teams. Contribute to simulator configuration management and perform SW releases. Work on simulation framework related topics, such as regression infrastructure development, test coverage analysis, design of automation scripts as well as tool deployment and library integration. Design and implement 4G/5G PHY models for pre-silicon simulation and verification. Perform verification of the PHY models using 3rd Party test tools and test data provided by external network vendors. Contribute to link-level simulator modeling, meaningful metric testing, and framework design. 4G/5G PHY/MAC layer abstraction/modeling, and interfacing with higher layers via external simulators. Design test cases for feature verification, drive feature bring-up, and issue resolution. Collaborate across teams to define/ document project requirements, including model architecture, interfaces, and feature sets and solve integration issues with HW and FW teams. **Minimum Qualifications** + Minimum requirement of BS and 3+ years of relevant industry experience. + Expert knowledge in Python and C/C++ including the latest C++ standard evolution and professional experience in C/C++ SW development. + Strong background in building systems, configuration, and release management. + Good understanding of simulator frameworks for link- and system-level simulations as well as FW development. + Solid knowledge of wireless communication systems with hands-on experience in 4G/5G PHY FW design, pre-silicon verification and critical metric testing. + Working experience in workflow automation for verification and regression testing. **Key Qualifications** **Preferred Qualifications** + Experience in code optimization techniques and efficient code development, including memory and runtime profiling and understanding of C/C++ compiler internals. + Experience with Matlab including good understanding of baseband signal processing algorithms. + Solid knowledge of current cellular communication standards: 5G (NR) and 4G (LTE). + Strong analytical and problem-solving skills (issue triage, debugging and fixing of defects, …). + Experience in chip bring-up including the use of lab equipment is a plus **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 $135,400 and $250,600, 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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