As a CPU CDC/RDC/STA Engineer at Apple, you will be integral in analyzing designs and driving improvements in CPU methodologies. Your focus will be on developing and maintaining Clock Domain Crossing (CDC), Reset Domain Crossing (RDC), and Static Timing Analysis (STA) constraints. You will collaborate with various teams, including RTL and DV, to ensure the integrity of CPU designs. This role requires a passion for innovation and a commitment to delivering groundbreaking products.

• Minimum BS degree and 10+ years of relevant industry experience
• Experience with Clock-Domain Crossing (CDC) and Reset Domain Crossing (RDC)
• Experience with at least one of the following tools: Synopsys or Real Intent
• Scripting experience in TCL or Perl
• Experience in Verilog
• Experience in SystemVerilog Assertions (SVA) and Design Verification (DV) Simulations
• Experience in multi-clock-domain RTL design
• Knowledge in Spyglass, VC-Static, PrimeTime, or Meridian is a plus

• Develop, improve, and maintain the CDC and RDC sign-offs for CPU designs
• Work with RTL and DV teams to recommend System Verilog assertions needed to support CDC/RDC/STA constraints and assumptions
• Highlight CDC/RDC issues to the RTL team and recommend solutions while educating them on the importance of structurally safe solutions
• Develop, enhance, and maintain key STA checks and associated sign-offs for CPUs
• Debug vendor tool problems and collaborate with designers to solve their issues
• Work closely with EDA vendor representatives to drive improvements and new methodologies
• Collaborate with RTL, Verification, CAD, and Physical Design teams

• 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.