Mechanical Engineer (HVAC)

Downers Grove, United States | Posted on 08/24/2026 RWE Design Build is seeking a Mechanical Engineer to support our growing portfolio of projects in the veterinary, dental, and medical sectors. This role focuses primarily on HVAC system design within an integrated design-build environment.

Perform site visits to assess existing MEP/HVAC systems Develop HVAC layouts, zoning diagrams, and system plans Conduct mechanical code research and ensure compliance Produce 3D HVAC and piping models in Revit

Bachelors Degree in Mechanical or Architectural Engineering Experience with commercial buildings (healthcare preferred) Plumbing experience a plus, but not required PE license isrequired Must be authorized to work in the United States without current or future employer sponsorship. Basic knowledge of the following areas: NFPA standards Computer generated HVAC Heatloads, energy modeling and HVAC equipment sizing Technical Submittal reviewing process Bid reviewing process Microsoft Office Suite LEED AP certified professional experienced in obtaining LEED’s certification for industrial buildings. Extensive experience with large-scale water-cooled chillers is preferred. International Codes Council (ICC) Suite of Codes ASHRAE Handbooks / Standards 401k with company match Long-term/short-term disability Life Insurance PTO Paid holidays RWE Design Build is not accepting submissions from outside recruiters or staffing agencies for this position. Any unsolicited resumes sent to RWE Design Build or its employees will be considered the property of RWE Design Build, and no placement fees will be paid.