ALTEN Technology USA · 4 hours ago
CFD Simulation Engineer (CHT & Thermal Systems)
Raymond, OH
Full-time
Onsite
Mid Level
3+ years expALTEN Technology USA is an engineering company that provides solutions for engineering, technology, and product development projects. They are seeking a highly skilled CFD Simulation Engineer with expertise in Conjugate Heat Transfer (CHT) and thermal-fluid analysis to develop, execute, and optimize CFD models for complex engineering systems.
ConsultingInformation Technology
Hiring Manager
Leo Stephen
Responsibilities
Develop and execute CHT and thermal-fluid CFD simulations for full-system and component-level models
Perform geometry cleanup, surface preparation, and meshing using ANSA and STAR-CCM+
Build, calibrate, and validate CFD models using experimental data or reference benchmarks
Run and manage simulations in STAR-CCM+, ANSYS Fluent, and OpenFOAM, ensuring accuracy, stability, and computational efficiency
Conduct parametric studies, sensitivity analyses, and design optimization activities
Develop automation and scripting solutions (Python, Java, or macro scripting) to streamline model setup, execution, and post-processing
Collaborate closely with design, testing, and system integration teams to interpret results and deliver actionable engineering insights
Document simulation methodologies, validation approaches, and results in a clear and structured manner
Qualification
Required
Bachelor's or Master's degree in Mechanical Engineering, Aerospace Engineering, or a related discipline
3+ years of hands-on experience in CFD simulations with a strong focus on CHT and thermal-fluid coupling
Proficiency in STAR-CCM+; working knowledge of ANSYS Fluent and OpenFOAM is preferred
Strong experience with ANSA for geometry preparation and mesh generation; working knowledge of CATIA is an advantage
Solid understanding of heat transfer modeling, including conduction, convection, and radiation
Experience in CFD model development focused on heat transfer mechanisms, preferably within automotive or similar engineering applications
Experience with Python, Bash, or Java macros for CFD workflow automation
Familiarity with HPC environments, parallel computing, and GPU acceleration (e.g., HPC clusters, NVIDIA A100/H100) is a plus
Preferred
Experience with parametric studies, DOE, and optimization frameworks
Familiarity with CAD tools such as CATIA or SolidWorks for geometry import and export
Knowledge of post-processing and visualization tools such as ParaView, Ensight, or Tecplot
Strong analytical skills with the ability to communicate complex technical findings clearly and effectively
Benefits
Medical, dental, and vision insurance
A 401(k) plan with employer matching
Paid time off (PTO)
Paid parental leave
Mentorship to help you take your career to the next level
Company
ALTEN Technology USA
ALTEN Technology USA is an engineering consulting company. It is a sub-organization of Alten.
501-1000 employees
H1B Sponsorship
ALTEN Technology USA 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
Represents job field similar to this job
Trends of Total Sponsorships
2025 (101)
2024 (89)
2023 (76)
2022 (64)
2021 (80)
2020 (69)
Funding
Current Stage
Late StageLeadership Team
Mark Henault
Chief Technology Officer at Alten Technology
Mike Walraven
Chief Administrative Officer
Recent News
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