{"id":3839645,"url":"https://alion.io/job/apple-multiradio-coex-software-qa-engineer-wireless-technologies-ecosystems","title":"MultiRadio Coex Software QA Engineer, Wireless Technologies & Ecosystems","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":89,"open_postings":835,"ghost_share":0,"stale_share":0.218,"repost_share":0.006,"time_to_fill_p50_days":90,"computed_at":"2026-11-08T05:47:12Z"}},"role":"QA","role_family":"QA","seniority":"junior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Cupertino, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":2,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Python","optional":false},{"name":"Wi-Fi","optional":false},{"name":"Machine Learning","optional":true}],"status":"closed","first_seen_at":"2026-11-05T19:07:05Z","employer_posted_date":"2026-11-05","last_verified_at":"2026-11-06T03:00:13Z","board_verified":false,"closed_at":"2026-11-06T03:00:13Z","days_open":0,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":0},"description":"Join our Connectivity, Cellular, and Satellite team to pioneer the next generation of Multi-Radio Coexistence (Coex). In this role, you will architect and optimize the intelligent real-time scheduling algorithms that allow concurrent wireless technologies-Wi-Fi, Bluetooth, Satellite, Thread , Cellular and next-gen protocols-to operate seamlessly in tight shared spectrum without missing a beat.\nIf you thrive at the intersection of complex radio architectures, concurrent resource arbitration, and world-class user experience, come build connectivity that enriches lives.\nDescription\nAs a Multi-Radio Coex Software QA Engineer, you will take an active, influential role in shaping wireless software and systems from concept to release. You will partner closely with development and systems teams across Bluetooth, Wi-Fi, Cellular, Thread, and Satellite to tackle critical coexistence challenges, prioritize concurrent traffic, and eliminate mutual RF interference.\nBeyond traditional testing, you will drive architectural enhancements, identify test coverage gaps, and design next-generation validation workflows-including developing and maintaining AI-based automation frameworks to scale testing across complex, real-world multi-radio scenarios.\nMinimum Qualifications\nMaster’s or Ph.D. degree in Computer Science, Computer Engineering, Electrical Engineering, or equivalent practical experience.\n2 to 5 years of experience in a Wireless Systems Engineering role or Software QA\nIn-depth understanding of Multi-Radio Coexistence (Coex) scheduling, real-time priority arbitration, and concurrent wireless behavior across technologies such as Bluetooth, Wi-Fi, Cellular, Thread, and Satellite.\nHands-on experience testing and qualifying mobile devices and cellular/connectivity technologies under concurrent traffic and high-interference conditions.\nDeep understanding of Software QA methodologies, test plan creation, bug triage, and root-cause analysis.\nProficiency in functional testing, with a strong willingness to engage in both manual exploration and automation.\nProven track record designing, building, and maintaining robust test automation frameworks.\nStrong proficiency in modern scripting or compiled languages such as Python or Swift.\nDemonstrated ability to investigate complex multi-radio failures, prioritize by customer impact, and propose clear technical resolutions.\nExcellent communication skills with the ability to articulate technical concepts to diverse audiences across hardware, software, firmware, and performance teams.\nProven ability to work under tight schedules and deliver reliable, high-quality results on time.\nPreferred Qualifications\nDemonstrated experience leading technical initiatives and mentoring team members in a fast-paced environment.\nDeep debugging and root-cause analysis skills in complex wireless communications environments (e.g., protocol analyzers, over-the-air sniffer captures, and system trace logs).\nHands-on experience developing, integrating, or deploying Generative AI and machine learning tools to enhance test automation and data analysis.\nProven ability to design, build, and maintain internal testing tools and diagnostic utilities that improve team-wide testing efficiency.\nComfortable juggling concurrent projects across diverse engineering domains-such as Bluetooth, Wi-Fi, Cellular, and Satellite-while maintaining meticulous attention to detail.\nExceptional interpersonal, communication, and technical documentation skills, with the ability to influence cross-functional roadmaps effectively.\nHighly inquisitive and self-driven problem solver who excels both independently and in close-knit, multidisciplinary 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