[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Lennox International jobs](https://jobs.opennash.com/companies/lennox-international/) · [Search jobs](/search/) Lennox International # Commercial HVAC Field Technical Engineer Sales Listed on Lennox International’s official careers site. Listed as of October 18, 2026. Check that it is still open and apply there. [Apply on Lennox International’s careers site →](https://uscareers-lennox.icims.com/jobs/54574/commercial-hvac-field-technical-engineer/job?in_iframe=1) [OpenNash Jobs](https://jobs.opennash.com/) / [Lennox International](https://jobs.opennash.com/companies/lennox-international/) / Commercial HVAC Field Technical Engineer ## Job description What Drives Success This is a full-time support career opportunity that provides moderately complex technical assistance to our National Accounts for Commercial HVAC units. This role is an excellent opportunity for an experienced commercial field technician with rooftop unit expertise to transition into a corporate office environment while continuing to apply advanced technical and troubleshooting skills. In this position, you will support field technicians by handling incoming calls related to unit start-up, diagnostics, and technical troubleshooting. You’ll collaborate with a team of senior technicians to help resolve complex issues and provide high-level technical guidance to industry professionals in the field. This opportunity offers the chance to step away from daily travel and field service demands while maintaining a strong connection to the industry in a role that provides an outstanding work/life balance. Up to 60% travel to National Accounts. This role will support National Accounts. Under limited supervision, develops and delivers training courses for training customers or technical employees in the installation, maintenance, and repair of HVAC products. Troubleshoots technical inquiries. Identifies customer needs. Investigates and resolves technical inquiries. Develops, test, and maintain courses and materials used in training. Establishes course content and student learning objectives. May prepare course syllabi, lesson plans, and student manuals, and coordinate the development of training aids. Reviews problem areas and identifies training needs. Develops criteria for evaluating the effectiveness of training activities. Updates course materials continuously to ensure timeliness and relevance. Conducts training using all methods of delivery. May provide direction to entry-level technical trainers. Schedules travel using Concur for customer support. Up to 60% travel to National Accounts. ### What We Are Looking For Requires a high school diploma or an equivalent combination of education and experience. Prefer two year college degree, HVAC degree or equivalent. Typically requires at least 5 years of relevant training experience in addition to at least 5 years of technical experience. Advanced knowledge of assigned products and the application of diagnostic techniques and service aids. Knowledge and ability to apply learning theories to classroom situations. Developed presentation skills using a variety of technologies. Strong verbal and written communication skills required. An individual must have sales ability and a track record of fostering strong customer relationships. Proficient in the use of Microsoft Office, including Word, Excel, PowerPoint, and Outlook. Proficient in leading WebEx meetings. ### Who We Are 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. ## At a glance - Posted by the employer: Not stated - First seen by OpenNash: Oct 11, 2026 - Last checked: Oct 18, 2026 - Listed for: 7 days[Apply on Lennox International’s careers site →](https://uscareers-lennox.icims.com/jobs/54574/commercial-hvac-field-technical-engineer/job?in_iframe=1) ## More jobs at Lennox International ### [Commercial Field Measurement Specialist](https://jobs.opennash.com/companies/lennox-international/jobs/beff2f7387a253f0aba6/) ### [Commercial HVAC Apprentice](https://jobs.opennash.com/companies/lennox-international/jobs/88dae7c39042e37ec5ac/) ### [Commercial HVAC Foreman](https://jobs.opennash.com/companies/lennox-international/jobs/bebe92b62aa6ac54caea/) ### [Commercial HVAC Installer](https://jobs.opennash.com/companies/lennox-international/jobs/bad055086e6b7d5f0802/) ## Similar jobs at other companies ### [Technical Field Advisor](https://jobs.opennash.com/companies/siemens-energy/jobs/103bc04c42d6852458cd/) Siemens Energy ### [Technical Field Services Assistant Engineer](https://jobs.opennash.com/companies/siemens/jobs/a8c644da94f27d855023/) Siemens ### [Senior Technical Training Instructor - Field Service](https://jobs.opennash.com/companies/siemens/jobs/b464c8bf7a17cb686373/) Siemens ### [Technical Sales Field Application Engineer Ta](https://jobs.opennash.com/companies/te-connectivity/jobs/dfb28feb0bc991eb97d2/) TE Connectivity ### [Commercial Va Field Excellence Manager](https://jobs.opennash.com/companies/novartis/jobs/57cb853b948ca33e096c/) Novartis OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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