Job Description

Modeling & Simulation Engineer (Electrical) Position Summary

We are looking for a Modeling & Simulation Engineer (Electrical Background) with strong expertise in 1D physical modeling, electrical system simulation, and multi-domain system architecture. The role will focus on developing, integrating, validating, and optimizing dynamic models using Dymola/Modelica.

The engineer will work on complex electrical, thermal, mechanical, and fluid systems, with a strong focus on EV power architecture, electric machines, motor drives, batteries/BMS, HVAC and thermal management systems.

The role will also involve FMI/FMU-based model exchange, co-simulation, model optimization, data correlation, and AI/ML-based surrogate modeling. The engineer will collaborate with cross-functional engineering teams to define system requirements, validate models against experimental data, and support virtual product development and system-level optimization.

Key Responsibilities 1. 1D Physical Modeling

Develop innovative 1D physical models for electrical components, subsystems, and complete system architectures.
Develop dynamic component and system-level models using Dymola/Modelica.
Design multi-domain models that integrate electrical, thermal, mechanical, and fluid systems.
Optimize model architectures for computational efficiency, real-time applications, and reduced CPU runtime.

2. Electrical Machines & Motor Drive Systems

Develop, parameterize, and validate high-fidelity dynamic models of:

AC/DC motors
Induction motors
Permanent Magnet Synchronous Motors (PMSM)

Model and integrate Variable Frequency Drives (VFDs) and Electronically Commutated Motors (ECMs).
Develop models for power electronic inverters and associated control strategies, including:

Field-Oriented Control (FOC)
Scalar control

Perform system-level analysis of motor, inverter, and drive interactions.

3. Battery & Energy Storage Systems

Develop dynamic 1D models for electrochemical cells, battery modules, and battery packs.
Model battery characteristics including:

State of Charge (SoC)
State of Health (SoH)
Transient thermal behavior

Develop and simulate Battery Management System (BMS) models.
Model state estimation, charging strategies, and charge controller algorithms.
Support battery performance, thermal, and energy-management analysis.

4. EV Power Architecture & HVAC Systems

Design and simulate system-level EV electrical power architectures, including:

HV/LV DC buses
DC-DC converters
Power distribution systems

Develop models for EV thermal management and HVAC systems.
Model components such as:

Electric compressors
Fuel cells
Heat exchangers
Evaporators and condensers
Other electrical and thermal components

Co-simulate HVAC thermal loads with battery cooling and heating requirements.
Evaluate system interactions and overall energy efficiency.

5. Power Generation & Renewable Energy

Develop dynamic models of electrical generation systems, including:

Generators
Alternators
Voltage regulators

Model photovoltaic (PV) cells and solar arrays.
Develop and simulate Maximum Power Point Tracking (MPPT) control systems.
Support integration of renewable energy systems into EV and electrical architectures.

6. Electrical System Analysis & Power Balance

Perform high-fidelity electrical system simulations and power balance analysis.
Support virtual component sizing and selection.
Evaluate subsystem integration and system-level performance.
Conduct multi-scenario simulations to assess performance, efficiency, and operating limits.

7. Model Development & Validation

Develop and validate dynamic models using Dymola/Modelica.
Perform simulation-based validation using time-series data.
Correlate simulation results with experimental and laboratory test data.
Identify model-performance gaps and continuously refine models and simulation methodologies.

8. FMI/FMU & Co-Simulation

Apply the Functional Mock-up Interface (FMI) standard for model exchange and co-simulation.
Create, export, integrate, and manage Functional Mock-up Units (FMUs).
Enable IP-protected model sharing across multiple software platforms.
Develop and maintain co-simulation environments integrating:

Dymola/Modelica
GT-Suite
MATLAB/Simulink

9. Model Optimization

Develop advanced optimization strategies for electrical system concept and architecture studies.
Use custom scripts, model parameterization, and model-reduction techniques to improve simulation performance.
Optimize models for high-speed execution and real-time applications.
Support virtual engineering and component/system-level design optimization.

10. AI/ML-Based Modeling

Apply AI/ML techniques to data-driven model development.
Develop surrogate models to accelerate simulation workflows.
Explore Artificial Neural Networks (ANNs) and other machine-learning techniques for system modeling and prediction.
Identify opportunities to automate simulation and modeling processes using data-driven approaches.

11. Continuous Improvement & Technical Documentation

Stay current with developments in:

1D plant modeling
Virtual system integration
Model reduction
Simulation automation
Engineering toolchains

Identify opportunities to improve modeling processes and simulation methodologies.
Prepare technical reports, presentations, model documentation, and simulation test procedures.
Communicate simulation results, correlation gaps, technical findings, and project progress to stakeholders.

Education