Company Profile Lennox NYSE LII Driven by 130 years of legacy HVAC and refrigeration success Lennox provides our residential and commercial customers with industry-leading climate-control solutions At Lennox we win as a team aiming for excellence and delivering creative sustainable products and services Our culture guides us and creates a workplace where all employees feel heard and welcomed Lennox is a global community that values each team member s contributions and offers a supportive environment for career development Come stay and grow with us This engineer designs fabricates modifies and evaluates complex mechanical and electro-mechanical components sub-systems and systems The person in this position may also provide work leadership for lower level employees Duties include but are not limited to Lead the design and development of advanced refrigeration and HVAC systems for data centers Provide technical leadership in the application of CO transcritical systems for sustainable and efficient cooling Perform thermal load calculations equipment sizing and system layout planning Collaborate with electrical engineers manufacturing engineers and field service engineers to ensure integrated and optimized cooling solutions Conduct feasibility studies energy modeling and performance simulations Oversee installation commissioning and troubleshooting of refrigeration systems Ensure compliance with industry standards safety regulations and environmental guidelines Prepare detailed technical documentation specifications and reports Qualifications Requires a bachelor s degree in engineering Requires at least 5 years related experience Bachelor s or Master s degree in Mechanical Engineering HVAC Engineering or a related field 7-9 years of experience in refrigeration or HVAC system design with a focus on data center cooling In-depth knowledge of data center thermal management including CRAC CRAH units liquid cooling and airflow management Hands-on experience with CO transcritical refrigeration systems and natural refrigerants Strong understanding of thermodynamics fluid mechanics and heat transfer Familiarity with relevant codes and standards ASHRAE ISO IEC etc Proficiency in design and simulation tools e g AutoCAD Revit Pack Calculation Pro Cycle DX VTB or HVAC-specific software Experience with energy efficiency optimization and sustainability initiatives Knowledge of control systems and building automation for HVAC Experience working in mission-critical environments or hyperscale data centers

📌 Senior Specialist - Design Engineering (Tamil Nadu)
🏢 Lennox International
📍 Tamil Nadu