CFD Simulation Engineer

Overview

A global automotive company in Raymond, Ohio is seeking a highly skilled CFD Simulation Engineer with strong expertise in Conjugate Heat Transfer (CHT) analysis. This role focuses on developing and executing high-fidelity CFD simulations to support thermal management, design validation, and performance optimization of complex automotive engineering systems.

The ideal candidate will have hands-on experience with STAR-CCM+, along with working knowledge of ANSYS Fluent and OpenFOAM, strong pre-processing skills using ANSA, and experience developing automation and scripting tools to accelerate simulation workflows. This position requires a minimum of four days onsite per week.

Key Responsibilities

Develop and execute CHT and thermal-fluid CFD simulations for full-system and component-level models
Perform geometry cleanup, surface preparation, and mesh generation using ANSA and STAR-CCM+
Build, calibrate, and validate CFD models using experimental data or benchmark references
Execute simulations using STAR-CCM+, ANSYS Fluent, and OpenFOAM, ensuring accuracy and computational efficiency
Conduct parametric studies, sensitivity analyses, and design optimization to support engineering decisions
Develop and maintain automation and scripting tools (Python, Java, macros) to streamline model setup, execution, and post-processing
Collaborate closely with design, test, and systems engineering teams to interpret results and provide actionable recommendations
Document simulation methodologies, assumptions, and validation results clearly and concisely

Required Qualifications

Bachelor s or Master s degree in Mechanical Engineering, Aerospace Engineering, or a related field
3+ years of hands-on experience in CFD simulations, with a focus on CHT and thermal-fluid coupling
Proficiency in STAR-CCM+; working knowledge of ANSYS Fluent and OpenFOAM preferred
Strong experience using ANSA for geometry preparation and mesh generation; working knowledge of CATIA preferred
Solid understanding of heat transfer mechanisms, including conduction, convection, and radiation
Experience modeling thermal systems, preferably in automotive or transportation applications
Experience with Python, Bash, or Java for CFD process automation
Familiarity with HPC environments, parallel computing, and GPU acceleration (e.g., NVIDIA A100/H100) is a plus

Preferred Skills

Experience with parametric studies, DOE, and optimization frameworks
Familiarity with CAD tools such as CATIA or SolidWorks for model import/export
Experience with data visualization tools such as ParaView, Ensight, or Tecplot
Strong analytical skills with the ability to communicate complex technical concepts clearly and effectively

CFD Simulation Engineer for a well known automotive company in Raymond, OH

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