{"title": "Cellular Systems Simulations Integration Engineer", "summary": "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\u2019s customers every single day.\n\nWireless 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 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 tool sets, which will play an important role in cellular R&D across teams within Apple. The responsibilities will include but not limited to:\n\n- 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.\n- Contribute to simulator configuration management and perform SW releases.\n- 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.\n- Design and implement 4G/5G PHY models for pre-silicon simulation and verification.\n- Perform verification of the PHY models using 3rd Party test tools and test data provided by external network vendors.\n- Contribute to link-level simulator modelling, meaningful metric testing and framework design.\n- 4G/5G PHY/MAC layer abstraction/modeling, and interfacing with higher layers via external simulators.\n- Design test cases for feature verification, drive feature bring-up and issue resolution.\n- Collaborate across teams to define/ document project requirements, including model architecture, interfaces, and feature sets and solve integration issues with HW and FW teams.", "key_qualifications": "Expert knowledge in Python and C/C++ including latest C++ standard evolution and professional experience in C/C++ SW development.\nStrong background on build systems, configuration and release management.\nGood understanding of simulator frameworks for link- and system-level simulations as well as FW development.\nExperience in code optimization techniques and development of efficient code, including memory and runtime profiling and understanding of C/C++ compiler internals.\nSolid knowledge of wireless communication systems with hands-on experience in 4G/5G PHY FW design, pre-silicon verification and critical metric testing.\nWorking experience on workflow automation for verification and regression testing.\nExperience with Matlab including good understanding of baseband signal processing algorithms.\nSolid knowledge of current cellular communication standards: 5G (NR) and 4G (LTE).\nStrong analytical and problem-solving skills (issue triage, debugging and fixing of defects, \u2026).\nExperience in chip bring-up including the use of lab equipment is a plus", "preferred_qualifications": "Good understanding of simulator frameworks for link- and system-level simulations as well as FW development.", "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.\n\nApple employees also have the opportunity to become an Apple shareholder through participation in Apple\u2019s 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\u2019s Employee Stock Purchase Plan. You\u2019ll 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 \u2014 including tuition. Additionally, this role might be eligible for discretionary bonuses or commission payments as well as relocation. Learn more about Apple Benefits.\n\nNote: Apple benefit, compensation and employee stock programs are subject to eligibility requirements and other terms of the applicable plan or program.", "company": "apple"}