Signal Integrity Engineer – Memory Interface

Apple Inc.; San Diego (CA); On-site; USD 120,300 - 210,100; Full time

Benefits offered by this job

Comprehensive medical and dental coverage

Retirement benefits

Discounted products and free services

Tuition reimbursement for education

Employee stock programs

Job summary

A leading technology company in California is looking for a Signal Integrity Engineer to focus on memory interface design and characterization for its mobile devices. This role requires a minimum bachelor's degree, with preferred qualifications in MSEE and 5+ years of relevant experience. Responsibilities include conducting signal integrity simulations, providing design guidelines, and ensuring optimal memory system performance. The position offers a competitive salary and comprehensive benefits, including medical coverage and employee stock programs.

Qualifications

• Minimum requirement of a bachelor's degree.
• MSEE + 5 years of industry experience or Ph.D. preferred.
• Strong knowledge of signal and power integrity issues, especially for memory interfaces.

Responsibilities

• Conduct signal integrity and power integrity simulations for memory systems.
• Provide guidelines for silicon floorplan, package, and system design.
• Perform feasibility studies for new signaling schemes.
• Correlate simulation results with silicon measurements.

Skills

Signal integrity

Power integrity

Electromagnetic simulation

Python programming

Communication skills

Education

Bachelor's degree

MSEE or Ph.D.

Tools

VNA

TDR

Real-time scope

Spectrum analyzer

3D/2D EM simulation tools

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

• 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 of memory interface
• Develop and execute test plans to validate signal and power integrity
• Work with product engineering and system engineering to debug and 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 bachelor's degree

Preferred Qualifications

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

Compensation and Benefits

• Base pay range: $120,300 to $210,100
• Opportunity to progress, grow, and develop within a role
• Opportunity to become an Apple shareholder through discretionary employee stock programs and Employee Stock Purchase Plan
• Benefits: comprehensive medical and dental coverage, retirement benefits, discounted products and free services, tuition reimbursement for formal education related to advancing your career at Apple
• Possible discretionary bonuses, commission payments and relocation assistance

EEO Statement

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.