Apple

Power Integrity Engineer

Job Description

Posted on: 
2026-01-16

Responsibilities

  • Define PDN architecture and design solutions for various power specifications.
  • Model, simulate, and characterize power delivery for die, interposer, package, board, and voltage regulators.
  • Collaborate with teams to design end-to-end power delivery systems for current and future generations.
  • Manage all SoC droop-related topics, including inrush, droop budget, PDN signoffs, and noise analysis.
  • Conduct end-to-end simulation studies to meet impedance and voltage droop specifications.
  • Provide implementation guidelines to silicon, package, and system design teams.
  • Perform feasibility studies for silicon floorplans and advanced droop mitigation schemes.

Job Requirements

  • M.S. or Ph.D. in Power/Signal Integrity, Power Electronics, or Analog Circuit Design.
  • Understanding of power supply architecture and PCB/package design trends.
  • Experience in PI/SI methodology development and PDN modeling.
  • Proficiency in Python coding and AI/ML automation.
  • Experience in designing product power supply solutions.
  • Knowledge of Voltage Regulator design principles.
  • Familiarity with lab equipment such as VNA and spectrum analyzers.
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