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Lennox Mechanical Systems Application Engineer II (HVAC/Split Systems) in Columbia, South Carolina

Company Overview

Lennox International (LII) is a leading global provider of innovative climate control solutions for heating, ventilation, air conditioning, and refrigeration (HVACR) markets. Beginning over a century ago, Lennox International has built a strong heritage of Innovation and Responsibility. Our position as an innovation leader continually inspires us to promote more efficient energy use and a healthier environment through our product operations. Our engaged and diverse workforce is committed to providing climate control solutions that provide the most value and comfort for our customers. We are proud to have instilled a shared sense of responsibility and commitment among our approximately 10,000 employees located throughout North America, South America, Europe, Asia, and Australia.

Allied Air Enterprises™ (A Lennox International company) Individually, our brands are strong. But united, they are a powerful force. Allied Air Enterprises brings together the collective strengths of six comfort brands – Armstrong Air ® , AirEase ® , Concord ® , Ducane™, Allied Commercial™ and Magic-Pak ® – to give distributors and dealers the ultimate source for heating and cooling solutions. From compact residential applications to large commercial projects, Allied Air Enterprises redefines ease-of-business through breadth of product, resources and competencies unparalleled in the market.

Job Description

  • Acts as an engineering liaison with the Production Management, Sales and New Business Development teams to assure we understand and meet needs of our customers

  • Under general supervision, participates in pre-sales and post-sales HVAC technical support related to system matches and performance ratings

  • Support pre and post sales activities in terms of correctly applying the product portfolio

  • Provide engineering support to new customers in partnerships with the New Business team to assure all customer system match requirements are met

  • Partner with the Product Management team during the NPI (New Product Introduction) process

  • Evaluate new product development specifications to assure the proposal will meet the company and customer needs

  • Post product design, review and run test simulations to assure new design meets all requirements as defined in the original spec

  • Partner with the Product Management, Engineering and New Business teams on all system ratings related issues

  • Manage AHRI audit program


  • Requires a bachelor’s degree or an equivalent combination of education and experience

  • Requires at least 1 year related experience

  • Excellent customer service skills, strong math and mechanical knowledge

  • Has substantial knowledge of calculations and standards to assure product performance ratings are accurate

  • Must have strong written and verbal communication skills

  • Able to use Microsoft Office Suite with strong capabilities in Excel

Requisition # 2018-13986

Category Sales Support

Shift / Hours Regular

Lennox International is an Equal Opportunity Employer and supports a diverse, inclusive work environment.

All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, transgender status, sexual orientation, national origin, genetics, disability, age, or veteran status.

Applicants with Disabilities

If you are an individual with a disability or a disabled veteran who is unable to use our online tools to search and apply for jobs, you may request a reasonable accommodation by contacting us at Recruitment@Lennoxintl.com

E-Verify Participation

For jobs located within the United States, LII participates in the Electronic Employment Verification Program known as E-Verify.

Please visit the E-Verify website for more information on this program.

Diversity & Inclusion Website