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Sr. Analyst – System modeling/simulation

Lennox India Technology Centre

4 - 6 years

Chennai

Posted: 21/03/2026

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Job Description

Key Responsibilities:

  • Design & Develop high-fidelity 1D,2D or 3D thermal models for components & sub-systems using in house system simulation tools or external tools like Modelica ,GT-SUITE , Amesim or Simulink.
  • Simulate and analyze thermal, fluid, and control system behaviors under various operating conditions.
  • Collaborate with cross-functional teams including mechanical, controls, and software engineers to integrate simulation models into product development workflows.
  • Calibrate the component and sub-system models using experimental test data to minimize the model prediction errors .
  • Validate simulation models against experimental or field data and refine models for accuracy and performance.
  • Design & Develop modularized architecture for system simulation tool catering wide range of HVAC & refrigeration system architectures
  • Document methodologies, assumptions, and results for internal and external stakeholders.


Required Qualifications:

  • Masters degree in Mechanical Engineering, Thermal Engineering or a related field.
  • Minimum 4 years of experience in developing physics based HVAC component & system models in Modelica or GT-SUITE.
  • Proficiency in HVAC and Refrigeration system architecture (design and simulation)
  • Strong understanding of thermodynamics, heat transfer, and fluid dynamics applied to HVAC.
  • Experience with system & component modeling, tuning parameter estimation, and model validation.
  • Programming Working knowledge of C++/C# and scripting languages like Python ,MATLAB for model development
  • HVAC component system simulation tools Coil designer , Vapcyc ,
  • Excellent problem-solving, communication, and documentation skills.


Additional preferred skills:

  • Familiarity with control systems and embedded software integration is a plus.
  • Exposure to cloud-based simulation platforms or IoT integration for digital twins.
  • Usage of AI tools for model development is preferred

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