Signal Integrity Engineer – Memory Interface

Apple Inc.; Austin (TX); On-site; USD 110,000 - 140,000; Full time

Job summary

A technology company in Austin, Texas is looking for a Signal Integrity Engineer – Memory Interface. In this role, you will develop SOCs for mobile devices, ensuring the signal integrity of memory interfaces. Responsibilities include conducting simulation studies and working with cross-functional teams for optimal system design. A bachelor's degree is required, with preferred qualifications including an MSEE and significant industry experience. Familiarity with signal and power integrity issues of memory interfaces is essential. This position offers a dynamic environment in a leading tech firm.

Qualifications

• Minimum requirement of a bachelor's degree.
• Prior experience working with actual product package/board design.
• Strong fundamentals in 3D/2D EM simulation tools.

Responsibilities

• Conduct end-to-end signal integrity and power integrity simulation studies.
• Provide feedbacks and guidelines to silicon floorplan and system design.
• Perform correlation between simulation and silicon measurements.

Skills

Signal Integrity

Power Integrity

Python

3D/2D EM simulation tools

VNA

TDR

Spectrum analyzer

Education

Bachelor's degree

MSEE or Ph.D.

Job description

Signal Integrity Engineer – Memory Interface

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.

Description

• 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.
• Provide optimal IO settings and design guideline to cross-functional teams.
• Perform feasibility study for next generation of signaling scheme.
• Perform correlation between simulation and silicon measurement.

Minimum Qualifications

• Minimum requirement of a bachelors degree

Preferred Qualifications

• MSEE + 5 years of industry experience and or Ph.D.
• 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.

Apple is an equal opportunity employer that is committed to inclusion and diversity. We seek to promote equal opportunity for all applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, Veteran status, or other legally protected characteristics. Learn more about your EEO rights as an applicant .

Apple accepts applications to this posting on an ongoing basis.