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Sr. Project Engineer

Daikin Applied
$100,000 - $130,00
life insurance, vision insurance, paid time off, paid holidays, 401(k), profit sharing
United States, Illinois, Elmhurst
Dec 28, 2025

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 Senior Project Engineer at Thermosystems, you will be a technical resource on a sales team putting together HVAC equipment selections, proposals, and submittals. You'll work on a fast-paced applied sales team assisting mechanical design engineers and contractors in the design and execution of HVAC projects for new facilities, additions, and renovation projects. Thermosystems provides a comprehensive training program covering HVAC fundamentals and product specific training for new team members.

Location: Elmhurst, IL - Hybrid

Responsibilities

  • Generate accurate cost estimates and proposals for HVAC equipment and related systems
  • Analyze plans, specifications, and other construction documentation to prepare proposals
  • 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 products and applications
  • Develop relationships with application engineers, vendors, and customers
  • Ability to collaborate in team-driven environment
  • All other duties assigned.

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

Qualifications

  • Bachelor's degree in engineering (Mechanical engineering or related discipline) is required.
  • 7+ years of experience in HVAC industry required.

The typical annual base salary for this position ranges from $100,000 - $130,00 in Illinois. The range displayedrepresentsthe pay range for all positions in the job grade in which this position falls. 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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