Job Description
Company Profile:
Lennox International Inc. (NYSE: LII) is a global leader in climate control systems headquartered in the greater Dallas area. With revenues of $5.1B in 2026 and a market cap of over $20B, Lennox employs more than 14,000 people around the world. The company designs, manufactures, markets and services a broad range of products for the heating, ventilation, air conditioning and refrigeration markets (HVACR). The company sells its products and services directly, as well as through distributors, and Company-owned stores.
We started our operations in India in Chennai in 2010. Lennox India Technology Centre is a GCC Centre with around 1000 employees, with a focus on Engineering, IT, Analytics, Marketing and Communications, Finance, Shared services, Customer Experience, and Supply Chain Centre of excellence. We recently entered into a Joint Venture with Samsung and Ariston to expand our product offerings for our North America customers.
Job Description:
Development of mathematical models and perform simulations to evaluate the performance of HVAC Systems in buildings.
Analyze data and prepare technical reports to communicate findings and recommendations to stakeholders
Development, verification and validation of control algorithms for HVAC systems.
Developing and maintaining databases and software development related processes to support research and development activities.
Managing projects including defining project tasks and adhering to timelines
Collaborating with other engineers to develop inhouse simulation software components and related experimental setup
Qualifications:
Requires a bachelor's degree in engineering. Requires at least 1 year related experience.
Knowledge of the practical application of engineering science and technology. Experience with analytical and CAD software. Knowledge of design techniques, tools, and principles involved in production of precision technical plans, blueprints, drawings, and models. Strong verbal and written communication skills.
M. Tech Thermal / Energy/Air Conditioning & Refrigeration (preferably from premier Institutions) or equivalent with experience with minimum 3-5 years of experience in the relevant area.
Sound knowledge in Thermodynamics / Heat Transfer & Fluid Dynamics/ Energy and HVAC Systems
Experience in development, verification and validation of control algorithms for HVAC systems.
Knowledge of building performance simulation software, especially EnergyPlus software would be an advantage
Programming experience on any language including Python, Matlab, C++, C# , Excel macro
Understanding of HVAC and refrigeration systems and various components including heat exchangers, compressors, fan & blowers
Good understanding of building physics and operation of HVAC systems in buildings and related data analysis on simulation and experimental results.
Knowledge on numerical methods to solve thermal engineering proble
Lennox International Inc. (NYSE: LII) is a global leader in climate control systems headquartered in the greater Dallas area. With revenues of $5.1B in 2026 and a market cap of over $20B, Lennox employs more than 14,000 people around the world. The company designs, manufactures, markets and services a broad range of products for the heating, ventilation, air conditioning and refrigeration markets (HVACR). The company sells its products and services directly, as well as through distributors, and Company-owned stores.
We started our operations in India in Chennai in 2010. Lennox India Technology Centre is a GCC Centre with around 1000 employees, with a focus on Engineering, IT, Analytics, Marketing and Communications, Finance, Shared services, Customer Experience, and Supply Chain Centre of excellence. We recently entered into a Joint Venture with Samsung and Ariston to expand our product offerings for our North America customers.
Job Description:
Development of mathematical models and perform simulations to evaluate the performance of HVAC Systems in buildings.
Analyze data and prepare technical reports to communicate findings and recommendations to stakeholders
Development, verification and validation of control algorithms for HVAC systems.
Developing and maintaining databases and software development related processes to support research and development activities.
Managing projects including defining project tasks and adhering to timelines
Collaborating with other engineers to develop inhouse simulation software components and related experimental setup
Qualifications:
Requires a bachelor's degree in engineering. Requires at least 1 year related experience.
Knowledge of the practical application of engineering science and technology. Experience with analytical and CAD software. Knowledge of design techniques, tools, and principles involved in production of precision technical plans, blueprints, drawings, and models. Strong verbal and written communication skills.
M. Tech Thermal / Energy/Air Conditioning & Refrigeration (preferably from premier Institutions) or equivalent with experience with minimum 3-5 years of experience in the relevant area.
Sound knowledge in Thermodynamics / Heat Transfer & Fluid Dynamics/ Energy and HVAC Systems
Experience in development, verification and validation of control algorithms for HVAC systems.
Knowledge of building performance simulation software, especially EnergyPlus software would be an advantage
Programming experience on any language including Python, Matlab, C++, C# , Excel macro
Understanding of HVAC and refrigeration systems and various components including heat exchangers, compressors, fan & blowers
Good understanding of building physics and operation of HVAC systems in buildings and related data analysis on simulation and experimental results.
Knowledge on numerical methods to solve thermal engineering proble
💡 Quick Summary
Seeking a career-building opportunity? The Senior Analyst - System Modelling position is now open for candidates interested in the IT Engineer & Developer Jobs sector. This role in Chennai offers a professional environment and growth potential.
Requirement Snapshot: Candidates should possess basic communication skills, a proactive attitude, and the ability to work in a team. Experience in IT Engineer & Developer Jobs is a plus.