AI Factory Thermal Cooling Simulation Engineer

The AI Factory Thermal Cooling Simulation Engineer is a critical technical specialist within Siemens’ AI Factory program, dedicated to the advanced modeling and simulation of thermal and cooling systems for cutting‑edge AI infrastructure. This role is pivotal in translating complex design concepts into robust simulations, ensuring optimal performance and reliability of high‑density computing environments. You will leverage Siemens' powerful simulation tools and partner closely with future architects to drive innovation in thermal management.

• Applying advanced CFD (Computational Fluid Dynamics) airflow and heat transfer modeling to design and optimize cooling solutions for AI Factory infrastructure.
• Developing and executing hydraulic modeling of liquid cooling loops, including pipes, pumps, valves, and Coolant Distribution Units (CDUs).
• Conducting steady‑state and transient simulations of chilled water and direct‑to‑chip cooling systems to predict and enhance performance.
• Translating intricate design concepts into comprehensive thermal and cooling simulations and models, providing critical insights for system architects.
• Collaborating effectively in fast‑paced, multi‑disciplinary teams spanning mechanical engineering, thermal design, and AI infrastructure development.
• Utilizing Siemens' suite of simulation tools to model system performance and contribute to the dedicated full‑time thermal simulation capabilities of the team.

• Thermal & Fluid Dynamics Expertise:
  Strong foundational knowledge and practical application of heat transfer, fluid dynamics, and thermodynamics principles.
• Advanced Simulation:
  Proficiency in CFD airflow and heat transfer modeling, as well as hydraulic modeling of liquid cooling systems.
• Multi‑Physics Tooling:
  Hands‑on experience with simulation software such as StarCCM+, Amesim, Modelica, or equivalent CFD/multi‑physics tools.
• System Modeling:
  Ability to translate complex engineering designs into accurate and predictive thermal and cooling simulations.
• Collaboration & Agility:
  Performs effectively within dynamic, multi‑disciplinary teams, partnering closely with architects and other engineers.

• Bachelor’s degree in Mechanical Engineering, Thermal Engineering, or a related technical field.
• 3+ years of experience in CFD airflow and heat transfer modeling.
• Experience with hydraulic modeling of liquid cooling loops.
• Demonstrated ability to perform steady‑state and transient simulations of cooling systems.
• Strong fundamentals in heat transfer, fluid dynamics, and thermodynamics.
• Ability to work across disciplines in dynamic, fast‑paced environments.
• Ability to travel domestically up to 25%, for up to a week at a time (adjust travel as needed based on actual expectations).
• Legally authorized to work in the United States on a continual and permanent basis without company sponsorship.

• Advanced degree (Master’s or PhD) in Mechanical Engineering, Thermal Engineering, or a related discipline.
• Experience with Siemens simulation tools such as StarCCM+ and/or Amesim.
• Experience in thermal management for high‑density computing or data center environments.
• Familiarity with Modelica or other multi‑physics modeling languages.
• Proven ability to partner with system architects to influence design decisions based on simulation results.

We are a global technology company focused on industry, infrastructure, transport, and healthcare. From more resource‑efficient factories, resilient supply chains, and smarter buildings and grids, to sustainable transportation as well as advanced healthcare, we create technology with purpose adding real value for customers.

We value your unique identity and perspective. We are fully committed to providing equitable opportunities and building a workplace that reflects the diversity of society, while ensuring that we attract the best talent based on qualifications, skills, and experiences. We welcome you to bring your authentic self and transform the everyday with us.

Siemens offers a variety of health and wellness benefits to our employees. Details regarding our benefits can be found here:

The pay range for this position is $102,459 - $210,773 annually with a target incentive of 10% annually. Actual offer may be lower or higher depending on selected professional.