Lennox International
Lennox International builds and sells residential and commercial HVAC and refrigeration equipment, parts, and controls, primarily through distributors and dealer networks. Founded in 1895 and headquartered in Richardson, Texas, it is publicly traded on the NYSE (LII) and operates globally under brands such as Lennox, Allied Air, Armstrong Air, Ducane, and Heatcraft, which serves supermarkets, restaurants, warehouses, and other cold-chain applications.
Open Positions at Lennox International
6 open positions
Join Lennox as an AI Engineering Intern for Summer 2027 and help build agentic AI systems, machine learning models, and LLM-powered tools for engineering workflows. This 10–12-week internship offers hands-on projects, professional development, and potential full-time opportunities after graduation.
Cloud Advance Admin/Developer Intern supporting Salesforce development, configuration, integrations, automation, and testing while gaining hands-on experience with enterprise cloud technologies. The role offers exposure to Apex, Lightning Web Components, Agentforce, and emerging Salesforce capabilities.
This internship offers hands-on full-stack software development across Angular and Java applications, enterprise modernization, data modeling, testing, and AI-assisted engineering workflows. Interns will work with experienced engineers on production-quality applications and may have an opportunity to join Lennox full time after graduation.
Lead end-to-end B2B eCommerce solution delivery as a hands-on techno-functional full-stack leader working across Angular/React, Java/Spring Boot, integrations, and enterprise modernization. The role combines business analysis, architecture, development, AI-assisted engineering, and technical leadership.
Lennox is seeking an Embedded Software Engineer II to design, develop, integrate, and maintain embedded software for HVAC and refrigeration control products. This onsite Carrollton, Texas role focuses on C/C++ development, RTOS and Linux applications, hardware/software integration, and product lifecycle delivery.
Senior eCommerce developer responsible for building and optimizing B2B commerce solutions on the SAP Commerce Cloud platform. The role combines hands-on Java/Spring backend development, technical leadership, release management, and mentoring of backend developers.