Lennox Careers - 400 + Vacancies List Of Vacancies: Lennox Design Engineering Intern - Summer 2024 Supply Chain Intern - Summer 2024 HVAC Service Apprentice Quality Intern Business Development Intern - Summer 2024 HVAC Technician Trainee Industrial Engineer I Prototype Machinist Sales Development Co-op Warehouse I-RES Counter Sales Associate Finance Intern - Summer 2024 Store Manager Analyst - Digital Content Autoring