Simulation Engineer: SI/PI & Virtual Prototyping

CADFEM India Pvt. Ltd.; Lake Forest (CA); Hybrid; USD 120,000 - 160,000; Full time

Job summary

CADFEM India Pvt. Ltd. seeks an engineer skilled in computational modeling and simulation for electronic and electro‑mechanical systems used in medical devices.

The role emphasizes SI/PI, electromagnetic analysis, and system‑level modeling to evaluate and optimize product performance, reliability, and robustness. You will drive simulation‑driven design, reduce prototyping, accelerate timelines, and support regulatory submissions.

Qualifications

• Perform SI/PI analysis for high-speed interfaces.
• Develop validation simulation models under varying operating conditions.
• Conduct trade studies and sensitivity analyses to support engineering decisions.

Responsibilities

• Perform SI/PI analysis for high-speed interfaces (DDR4, DDR5, MIPI, USB).
• Develop simulation models for impedancediscontinuities, 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 evidence.
• Collaborate with hardware, firmware, systems, and manufacturing teams to resolve performance issues.

Skills

SI/PI analysis

Electromagnetic analysis

System-level modeling

Trade studies

Simulation-driven design

Documentation

Regulatory submissions support

Cross-functional collaboration

Education

Electrical or Electronics degree

Tools

Python

MATLAB

Tcl

Job description

We are looking for a highly skilled engineer with expertise incomputational modeling and simulation for electronic and electro mechanical systems used in medical devices.

The role focuseson SI/PI, electromagnetic analysis, and system-level modeling to evaluate and optimize product performance, reliability, androbustness. The engineer will drive simulation-driven design, reducephysical prototyping, accelerate development timelines, and supportregulatory submissions.

Key Responsibilities

• Perform SI/PI analysis for high-speed interfaces.
• Develop validated electrical simulation models under varyingoperating conditions.
• Conduct trade studies and sensitivity analyses to supportengineering decisions.
• Contribute to virtual prototyping initiatives to reduce designiterations.
• Present simulation findings and design recommendations tostakeholders.
• Maintain documentation of methodologies, assumptions, validation,and results.
• Support design reviews and verification activities with simulationbased analyses.
  

Requirements

Required Skills

• Perform Signal Integrity (SI) and PowerIntegrity (PI) analysis for high-speed digitalinterfaces (DDR4, DDR5, MIPI, USB).
  
• Develop simulation models for impedancediscontinuities, crosstalk, timing margins,and electromagnetic compatibility.
  
• Conduct pre-layout and post-layoutPCB/package analyses.
  
• Apply electromagnetic, circuit, andsystem-level simulation techniques tooptimize product design.
  
• Support regulatory submissions anddesign verification with simulation-basedevidence.
  
• Collaborate with hardware, firmware,systems, and manufacturing teams toresolve performance issues.

Preferred Skills

• Transmission line theory, PCB design, and power distributionnetworks.
• Experience with schematic capture and PCB layout.
• Programming/scripting in Python, MATLAB, Tcl for automation anddata analysis.
• Background in medical devices, consumer electronics, orembedded systems.
  

Education

• Bachelor’s Degree, Master’s, or Ph.D. inElectrical or Electronics or a related field.