The role is for a Sr. RFIC - PLL Design Engineer within Apple's Wireless Radio team, focusing on the design and development of analog and digital PLL solutions for wireless SoCs. The team is responsible for architecting, designing, and validating radio transceivers integrated into complex wireless systems. This position plays a critical role in bringing state-of-the-art wireless connectivity solutions to mass production. The engineer will work closely with various engineering disciplines to ensure high-performance wireless systems.

• Minimum requirement of a bachelor's degree.
• Ph.D. degree is preferred.
• Experienced in design and development of Analog and Digital PLLs and LOGEN for high performance applications.
• Hands-on experience in designing PLL building blocks such as TDC, Digital Filters, Sigma Delta Modulators, Pre-scalers, MMD, DCO/VCOs and PFD/CP.
• Understanding of analog, mixed-signal and RF circuit design concepts.
• Familiarity with mixed-signal mode verification methodology including SystemVerilog and AMS.
• Experience in PLL and LOGEN silicon characterization and debug.
• Hands-on experience in modeling, analysis and design of noise/spur cancellation techniques in PLLs.
• Familiarity with various RF transceiver architectures and their trade-offs.
• Familiarity with timing analysis tools like Nanotime and Primetime.
• Direct experience in designing and bringing into mass production of wireless transceivers in deep sub-micron RFCMOS technology.
• Experienced in Cadence Virtuoso, Spectre RF, Matlab, EM simulation tools like EMX and HFSS.

• Contribute to providing analog and digital PLL solutions for wireless SoCs.
• Drive PLL solutions to mass production for Apple's Wireless Connectivity products.
• Work with system architects to translate system requirements into circuit requirements at the IC level.
• Collaborate with the digital design group to optimize the partition between digital and analog components.
• Ensure comprehensive timing requirements are met in the design process.

• Employees at Apple are often offered comprehensive benefits that support physical and mental well-being—flexible medical plans, confidential counseling, onsite wellness centers at major campuses, and resources for fitness and daily life. Families typically receive fertility support, paid parental leave with gradual return, caregiving leave, and dependent-care guidance, while financial perks commonly include stock grants (with purchase discounts), 401(k) matching, and income-protection coverage. Employees also see robust time off, Apple University learning and tuition reimbursement, donation matching and paid volunteer hours, and deep product and partner discounts.