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Sales Engineer

Daikin Applied
life insurance, vision insurance, paid time off, paid holidays, 401(k), profit sharing
United States, Illinois, Elmhurst
Jan 17, 2026

Join the world's largest HVAC company, named by Forbes as one of America's Best-In-State Employers 2025!

Founded in 2000, Thermosystems, a member of the Daikin group, is a manufacturer's representative specializing in commercial heating, ventilation, and air conditioning (HVAC) products and controls. Our mission is to be the trusted partner behind complete HVAC solutions, bringing the expertise and guidance our customers deserve-because better buildings start with better partners.

Headquartered in Elmhurst, Illinois, we operate offices in Elmhurst, Romeoville, Peoria, Chicago, the Quad Cities, and Des Moines. Our organization includes dedicated equipment, solutions, and service sales teams, along with a comprehensive parts and full-service department to support the products we represent.

We offer a comprehensive benefits package that includes medical, dental, and vision insurance; short-term disability and life insurance; paid time off and paid holidays; and a 401(k) with profit sharing, among other benefits. At Thermosystems, you will be encouraged to grow, apply what you know, and see the impact of your hard work.

If you want to learn more about Thermosystems, visit us at www.thermohvac.com today!

Position Overview

As a sales engineer at Thermosystems, your primary responsibility will be putting together HVAC equipment selections, cost estimates, and submittals. You'll work on a fast-paced applied sales team assisting engineers and contractors in the design and execution of HVAC projects for new facilities, additions, and renovation projects.

Responsibilities

  • Generate accurate cost estimates and proposals for HVAC equipment and related systems

  • Analyze plans, specifications, and other construction documentation to prepare cost estimates

  • Assist the sales team with HVAC equipment selections for engineers and contractors in professional and timely manner

  • Prepare technical documentation for equipment selections/submittals

  • Learn and stay current on HVAC product applications for the manufacturers we represent

  • Develop relationships with manufacturers, vendors, and customers

  • Ability to collaborate in team-driven environment

Essential Skills

  • Enjoy working in fast-paced, multi-tasking environment

  • Attention to detail

  • Eagerness to learn new technical product information, software, and processes

  • Organization and time management stills to prioritize tasks and work on multiple projects at once

  • Excellent verbal and written communication skills

  • Superior customer service capability and professional demeanor

  • Proficient in Microsoft 365 suite and general computer software/applications. Familiarity with Bluebeam a plus.

Qualifications

  • Bachelor of Science in Engineering Required - open to all areas of emphasis.

  • Shows a passion for continuous learning in technical fields, ensuring a solid foundation for understanding and communicating engineering solutions

  • Great leadership skills to motivate and enhance team members' contributions.

  • Excellent initiative and interpersonal communication skills.

Training

As part of the sales engineer development program Daikin Graduate Engineer Transformed (GET) program. The GET program is a 6-month immersive learning program for new graduate sales engineers designed to provide foundational HVAC knowledge and experience, build their professional network, and enhance their industry credibility. The GET program, a blended learning experience that includes online learning and in-person trips to our factories and install sites, is the best opportunity to quickly bring new sales engineers up to speed on not only our products, but also on systems, applications, and real-life situations.

The blended learning program has two components:

  • Self-paced online learning (videos, assignments, discussion forums, knowledge checks)

  • In-person modules (factory tours, install sites, group activities, and team projects.)

The typical salary for this position ranges from $80,000 - $90,000 in IL. Individual base pay will depend on a wide range of factors including your skills, qualifications, experience, and location.

If you're looking for an engaging career with growth opportunities in a supportive environment, you'll love a career at Daikin Applied!

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