Senior SI/PI Simulation Engineer - Medical Devices

CADFEM APAC; Lake Forest (CA); On-site; USD 120,000 - 180,000; Full time

Job summary

CADFEM APAC in the United States is seeking a highly skilled engineer specializing in computational modeling and simulation for electronic and electromechanical medical devices. You will drive SI/PI, electromagnetic analysis, and system-level modeling to evaluate reliability and performance, reduce prototyping, and accelerate development toward regulatory submissions.

You will collaborate across hardware, firmware, systems, and manufacturing teams, develop validated models, document

Qualifications

• Must perform SI/PI analysis for high-speed interfaces.
• Develop validated electrical simulation models under varying operating conditions.
• Conduct trade studies and sensitivity analyses to support engineering decisions.
• Contribute to virtual prototyping to reduce design iterations.
• Present simulation findings to stakeholders and document results.
• Collaborate with hardware, firmware, systems, and manufacturing teams.

Responsibilities

• Perform SI/PI analysis for high-speed interfaces.
• Develop simulation models for impedance discontinuities, crosstalk, timing margins, and EMC.
• Conduct pre-layout and post-layout PCB/package analyses.
• Apply electromagnetic, circuit, and system-level simulation techniques to optimize product design.
• Support regulatory submissions and design verification with simulation-based evidence.
• Collaborate with hardware, firmware, systems, and manufacturing teams to resolve performance issues.

Skills

SI/PI analysis

PCB design

EMI/EMC fundamentals

Python/MATLAB/Tcl

System-level modeling

Regulatory submissions support

Tools

Schematic capture

PCB layout

Job description

CADFEM APAC in the United States is seeking a highly skilled engineer specializing in computational modeling and simulation for electronic and electromechanical medical devices. You will drive SI/PI, electromagnetic analysis, and system-level modeling to evaluate reliability and performance, reduce prototyping, and accelerate development toward regulatory submissions.

You will collaborate across hardware, firmware, systems, and manufacturing teams, develop validated models, document