{"id":4105698,"url":"https://alion.io/job/apple-cellular-rf-receiver-systems-engineer","title":"Cellular RF Receiver Systems Engineer","company":{"id":12,"name":"Apple","domain":"apple.com","url":"https://alion.io/company/apple","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Apple Jobs","truth_index":{"grade":"A","score":90,"open_postings":824,"ghost_share":0,"stale_share":0.214,"repost_share":0.006,"time_to_fill_p50_days":122,"computed_at":"2026-11-11T05:49:22Z"}},"role":"Hardware","role_family":"Hardware","seniority":"staff","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Sunnyvale, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"MATLAB","optional":false},{"name":"Python","optional":false},{"name":"Wi-Fi","optional":false}],"status":"live","first_seen_at":"2026-11-11T19:13:57Z","employer_posted_date":"2026-11-11","last_verified_at":"2026-11-11T22:29:36Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Apple’s RF Systems Engineering team is seeking a motivated and talented RF engineer to develop and optimize Cellular RF Receiver architectures. In this role, you will architect and deliver wireless solutions for Apple products, working on today's 5G New Radio and pioneering the path to 6G. You will have a unique opportunity to work on the core technologies that enable an outstanding wireless experience for millions of customers worldwide.\nDescription\nAs a key member of our industry-leading team, you will drive the evolution of our receiver architectures. You will influence and collaborate with RFIC design, antenna, platform architecture, and software engineering teams to define and implement concepts that deliver uncompromising performance and quality.\nMinimum Qualifications\nBS and a minimum of 10 years relevant industry experience\nMinimum 8 years of experience in Radio Receiver design.\nDemonstrated System Engineering experience in designing complex communication RF systems (e.g. Cellular, WiFi), with deep expertise in state-of-the-art receiver architectures for sub-6 GHz and mmW frequencies.\nProficiency in using MATLAB and Python for RF system modeling and simulations.\nProficiency in using AI for coding, model generation, and data analysis.\nStrong analytical and problem-solving skills, with the ability to communicate complex technical concepts effectively to diverse, cross-functional global teams.\nExperience with lab bring-up, system calibration, and debugging RF hardware.\nPreferred Qualifications\nUnderstanding of RF line-up analysis for modern receiver architectures, including modeling techniques in time and frequency domain.\nDeep theoretical and practical understanding of receiver performance metrics and impairments (noise figure, non-linearity, phase noise, IQ imbalance, DC offset, gain and phase errors) and their direct impact on overall system performance.\nUnderstanding of 3GPP standards with a focus on RF requirements and physical layer procedures.\nDemonstrated ability to influence and drive innovation and execution across an organization.\nUnderstanding of cellular system use cases, transmit/receive interactions, and coexistence challenges in complex consumer electronics.\nFamiliarity with modern digital modem architectures.\nFamiliarity with RFIC design and layout 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