As an RFIC-PLL Designer, you will provide analog and digital PLL solutions for wireless SoC and drive them to mass production for Apple. Responsibilities include: - Lead design of radio transceiver chains including analog PLLs - VCOs, digital PLLs - DCOs, LOGen, and chain of blocks in RX, and TX for wireless connectivity products.- Drive radio KPI (power, area, performance) to meet product requirements - Work with multi-functional teams, including platform architecture, wireless design, RF HW, and SW, to define radio features enabling wireless innovation. - Work closely with RF Systems on block-level and high-level specifications of the PLL-LOGen, TX, and RX line-ups and the accurate distribution of spec margins in the chain.- Design of RF and Analog loopbacks for calibration and compensation.- Work through Co-Existence scenarios and design to meet the CoEx requirements.- Lead all aspects of the floorplan layout and verification of the design to ensure a successful tape-out.- Provide design versus silicon measurements correlation and compliance with volume production specifications.