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 innovative, 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 is responsible for developing and applying advanced mechanical engineering design methods, theories and research

Duties include, but are not limited to: 

• Lead the design and development of advanced refrigeration and HVAC systems for cooling projects
• Provide technical leadership in the application of CO₂ 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.

• Requires a bachelor’s degree in mechanical engineering or an equivalent combination of education and experience.
• Excellent oral and written communication skills.
• Basic knowledge of refrigeration and HVAC systems is a plus.
• CAD certifications are advantage (preferably SolidEdge, Creo, or similar)
• Strong analytical and problem-solving skills, with a passion for mechanical design.
• Ability to learn and adapt quicky to new techniques and processes, with strong attention to detail and accuracy.