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# Signal Integrity Engineer - Memory Interface

- **Company:** Apple Inc.
- **Location:** Emeryville, CA, United States
- **Experience:** Experienced
- **Salary:** $175,000.0
- **Contract:** Permanent contract
- **Skills:** Systems Engineering, Software Debugging, Python (Programming Language), Signal Integrity, Physical Design, Software Coding
- **Published:** September 3, 2026
- **Apply:** https://www.themuse.com/jobs/apple/signal-integrity-engineer-memory-interface-257ba0

## About the Role

MSEE + 8 years of industry experience and or Ph.D. preferred.

We are looking for someone who is familiar with signal and power integrity issues of memory interfaces.

Prior experience working with actual product package/board design and analysis, PI/SI methodology development, and lab correlation/validation of the simulation results.

Excellent academic background.

Familiar with lab equipment, such as: VNA, TDR, real-time scope, spectrum analyzer, etc.

Strong fundamentals in 3D/2D EM simulation tools and transmission line theory.

Proficient in Python with strong foundational coding skills and expertise in leveraging generative AI coding assistants to enhance productivity., BS + 10 years of industry experience.

## Description

In this position, you will work with the team that develops SOCs used within Apple's mobile devices. You will be specifically responsible for memory interface signal integrity for Apple SoCs, covering the span from package to board. Prior design and modeling experience with DDR or LPDDR interfaces are a must-have., * You will work on electrical and physical design of memory systems.

 * Work on electrical extraction and validation of package and MLB.

 * Work with circuit and controller team to optimize memory system design.

 * Work on SI and PI modeling, simulation, and characterization memory interface.

 * Develop and execute test plans to validate signal and power integrity.

 * Work with product engineering and system engineering to debug and to improve product yield.

Responsibilities:

Conduct end-to-end signal integrity and power integrity simulation studies of memory system including modeling of channels and power delivery networks of die/interposer/PKG/PCB/PMU to meet tight timing and voltage spec.

Provide feedbacks and guidelines to silicon floorplan, package, system design, and other cross-functional teams.


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