{"title": "Senior Wireless System Engineer - performance", "summary": "Would you like to join Apple\u2019s growing wireless silicon development team? Our wireless SOC organization is responsible for all aspects of wireless silicon development, taking care of challenges from the complex usages, more demanding performances and reliabilities to enable emerging wireless applications and products.", "description": "In this role, core responsibilities include, but are not limited to, the following: Design and simulate state-of-the-art wireless communication system for very high data rate, low latency and congested environment applications. Implement system models and investigate innovative architecture, protocols and algorithms in PHY/MAC layers to mitigate the impact of congested radio environments and achieve the robust performance. Work with cross-functional teams to bring up, characterize and optimize the silicon in lab. Implement system models and investigate innovative algorithms for performance enhancements, design and validate them to allow performance sign-off and enable RTL development. Define the control procedures of the physical layer hardware modules to achieve robust and optimal performance of the Modem in congested and multi-radio coexistence environment. Work with digital designers to realize these methods with power and area efficient digital implementations. Work with firmware designers to realize these methods with high efficiency software implementation, and possibly with hardware acceleration.", "key_qualifications": "Proven experience on designing and developing the physical layer core algorithms of wireless communication systems, such as: MIMO signal estimation and detection, channel estimation, equalization, coding theory, beamforming, timing recovery, frequency synchronization, automatic gain control, etc. Track record with applying innovative techniques and knowledge in signal processing, communication theory and information theory, to resolve the challenging problems of the physical layer design (transmitter/receiver) for modern wireless communication systems. Strong analytical capability to develop best-in-class solution in terms of performance, power, and area, for the challenging issues of physical layer design. Extensive experience in algorithm development with hardware and firmware friendly design. Extensive experience in system performance optimization for congested applications and multi-radio coexistence environments. Knowledge in existing protocols: 5G/LTE/WCDMA/GSM, 802.11a/b/g/n/ac/ax/be, 802.11ad/ay or Bluetooth/BLE", "preferred_qualifications": "", "education_experience": "BS and 10+ years of relevant experience required. MSEE/PhD preferred", "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 $175,800 and $312,200, 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\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.", "company": "apple"}