{"id":3501853,"url":"https://alion.io/job/apple-hardware-systems-signal-integrity-engineer-ipad","title":"Hardware Systems Signal Integrity Engineer - iPad","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":91,"open_postings":860,"ghost_share":0,"stale_share":0.171,"repost_share":0.002,"time_to_fill_p50_days":96,"computed_at":"2026-10-31T05:58:55Z"}},"role":"Hardware","role_family":"Hardware","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Austin, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":205000,"max_usd":378000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":1517},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Ansys HFSS","optional":false},{"name":"Ansys SIwave","optional":false},{"name":"Cadence Sigrity","optional":false}],"status":"live","first_seen_at":"2026-10-30T00:31:17Z","employer_posted_date":"2026-10-30","last_verified_at":"2026-10-31T13:09:35Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"The iPad hardware team in Austin, TX is seeking Signal Integrity Engineers who are motivated by the opportunity to take on big challenges. In this highly collaborative role, you will work with technology and module teams and apply your knowledge of signal integrity to influence system-level integration, with an emphasis on the design and debug of high-speed interfaces.\nWe are a team of system electrical engineers who own entire products from concept to ship. We sit at the center of Apple's wider engineering team, working cross-functionally with mechanical engineering, software, silicon engineering, and other module teams such as wireless, battery, camera, sensing, display, and factory test. We are creative and passionate about what we do and the products we make.\nCome join us!\nDescription\nWe are seeking a candidate with strong background in signal integrity, including lab and simulation experience. The role requires solid understanding of electromagnetics and transmission line theory, along with experience extracting channel models and simulating EMI and crosstalk. Channel elements include rigid and flex PCBs, connectors, and other components in a mobile system.\nBeyond technical capability, we prize curiosity, creativity, integrity, leadership, collaboration, and a passion for learning.\nMinimum Qualifications\nBachelor's degree or higher in Electrical Engineering or equivalent, with 3+ years of relevant industry experience\nHands-on experience with board-level hardware testing and validation, and with lab equipment (TDR, VNAs, scopes, near-field scanning, spectrum analyzers)\nHands-on experience with EM and circuit simulation tools (e.g., Ansys HFSS/Maxwell/SIwave, CST, ADS/SPICE/Spectre, Cadence Sigrity) and scripting languages\nExcellent written and verbal communication and presentation skills\nPreferred Qualifications\nPh.D. in Electrical Engineering or equivalent, with 5+ years of relevant industry experience\nDeep knowledge of system-level high-speed SerDes design and analysis, including transmitter and receiver equalization methods (FFE, CTLE, DFE), CDR behavior and modeling, link-training algorithms, and eye-margining tools\nExperience performing physical-layer compliance testing of PCIe, USB, DisplayPort, and Thunderbolt interfaces\nStrong EE fundamentals and background in mobile system engineering, including schematic capture and rigid/flex PCB layout\nAbility to analyze solutions and make system design trade-offs\nUnderstanding of design and validation requirements for common interfaces (e.g., I2C, SPI, JTAG, I2S) and high-speed interfaces (e.g., USB, MIPI, PCIe, HDMI, DisplayPort, Thunderbolt, DDR, Ethernet)\nDemonstrated ability to understand technology and debug problems at varying levels of abstraction, from the system level down to the silicon/transistor 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