Battery and Propulsion Thermal Engineer

General Motors

Thermal 1D Engineer at GM developing simulations for propulsion systems and mentoring team members. Building fluid dynamics models and improving analysis fidelity in a hybrid work environment.

Posted 6/9/2026full-timeWarren • Missouri • 🇺🇸 United StatesMid-LevelSeniorWebsite

Tech Stack

Tools & technologies

Python

About the role

Key responsibilities & impact

Build 1D fluid dynamics and coarse 3D thermal models that directly impact design development, validation and eliminate hardware testing.
Create simulations including battery cell, battery pack, drive units, electric motors, power electronics, combustion engine and transmission related systems.
Conceptualize, build, and exercise analytical system level models for electrified and conventional propulsion systems using 1D software tools.
Integrate plant models of different domains into a larger system level model capable of “Software or Hardware (SiL or HiL) in the Loop” Co-Simulation.
Provide component-level and system-level design recommendations to Design Responsible Engineers based on interpretation of analysis results.
Own and advance analysis practices and/or tools to improve prediction fidelity and execution speed.
Collaborate with analysis counterparts across several VDDV teams representing global propulsion systems and vehicle engineering.
Mentor, train and lead our TCS India colleagues as well as new team members.
Provide technical leadership and problem resolution by leveraging analysis results.
Participate in efficiency improvement projects, including the development of automation tools via Python or MATLAB.

Requirements

What you’ll need

Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, Computer Science, or related field of study
Five (5) years of experience as a Simulation Engineer, Product Engineer, or related occupation
Five (5) years of experience in the following: Simulation, design, or testing of propulsion related systems; MATLAB and Python; Microsoft Office products; Heat transfer and fluid mechanics; Applying 1D or 3D CFD tools to propulsion-related systems; Principles of propulsion system design, operation, or testing; and Engineering theory and principles of operation of mechanical and electrical mechanisms.
Two (2) years of experience with the following: Amesim and GT-SUITE.
One (1) year of experience with the following: Synthesis Modeling Experience (without CAD).

Benefits

Comp & perks

From day one, we're looking out for your well-being–at work and at home–so you can focus on realizing your ambitions.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

1D fluid dynamics3D thermal modelsbattery cell simulationbattery pack simulationdrive units simulationelectric motors simulationpower electronics simulationcombustion engine simulationtransmission systems simulationpropulsion system design

Soft Skills

technical leadershipproblem resolutionmentoringcollaborationtraining