ALTEN · 17 hours ago
Computational Fluid Dynamics Engineer
Ohio, United States
Full-time
Onsite
Mid Level
4+ years expALTEN Technology USA is an engineering company that helps clients bring groundbreaking ideas to life, partnering with leading companies in various sectors. They are seeking a highly skilled CFD Simulation Engineer to develop and optimize CFD models, focusing on thermal management and design validation of complex engineering systems.
Information Technology
Hiring Manager
Gayathri (Joanna) Kathiresan
Responsibilities
Develop and execute CHT and thermal-fluid CFD simulations for full-system models
Perform geometry cleanup, meshing, and surface preparation using ANSA and STAR-CCM+
Build, calibrate, and validate CFD models using experimental or reference data
Run simulations in STAR-CCM+, Fluent, and OpenFOAM, ensuring model accuracy and computational efficiency
Conduct parametric, design optimization, and sensitivity studies
Develop automation and scripting tools (e.g., Python, Java, or macro scripting) to streamline model setup and post-processing workflows
Collaborate with design, test, and system integration teams to interpret results and provide actionable insights
Document methodologies, simulation plans, and validation results clearly and concisely
Qualification
Required
Bachelor's or Master's degree in Mechanical, Aerospace Engineering or related field
4 years of experience (minimum)
3+ years of hands-on experience in CFD simulations, particularly CHT and thermal-fluid coupling
Proficiency in STAR-CCM+, working knowledge of ANSYS Fluent and OpenFOAM preferred
Strong experience with ANSA for geometry preparation and mesh generation, working knowledge of CATIA preferred
Familiarity with computational method for modeling heat transfer – radiation, conduction and convection. Experience in CFD modeling building focused on heat transfer mechanisms preferably automotive application
Experience with Python, Bash, or Java macros for CFD process automation
Understanding HPC environments, parallel computing, and GPU acceleration (HPC clusters, NVIDIA A100/H100) is a plus
Preferred
Experience with parametric studies, DOE, and optimization frameworks
Familiarity with CAD tools (CATIA, SolidWorks) for model import/export
Knowledge of data visualization tools (ParaView, Ensight or Tecplot)
Strong analytical mindset and ability to communicate technical insights effectively
Benefits
Mentorship
Career growth opportunities
Comprehensive benefits
Company
ALTEN
Alten is high-technology consulting and engineering group. The group's services are supplied to technical departments.
10001+ employees
H1B Sponsorship
ALTEN has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
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Trends of Total Sponsorships
2025 (101)
2024 (89)
2023 (76)
2022 (64)
2021 (80)
2020 (69)
Funding
Current Stage
Public CompanyTotal Funding
unknown1999-04-01IPO
Leadership Team
Lesly Mouchnino
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