About the role#
As an HVAC Engineering Intern, you will gain hands-on experience by working directly with our engineering team in Milwaukee. You will work under the mentorship of experienced engineers to learn the technical aspects of mechanical systems in a construction environment.
What you'll do#
- Prepare detailed layouts for various HVAC projects.
- Support engineers with the oversight of HVAC system layouts and equipment selections.
- Provide information to the estimating team for bid packages.
- Participate in the review process for HVAC specification development.
- Offer engineering input into operations plans for system commissioning and start-up.
What you'll need#
- Currently pursuing a Bachelor’s degree in Mechanical Engineering or a related engineering program.
- Proficiency in MS Office programs.
- A strong interest in deepening your knowledge of mechanical systems.
Location & details#
- Location: Milwaukee, Wisconsin.
- Work Modality: On-site.
- Employment: Full-time, paid internship.
- Term: Rolling.
About Ahern
Ahern is a mechanical and fire protection contractor established in 1880. The company handles HVAC, plumbing, building controls, and fire safety systems for commercial and industrial clients. Based in Fond du Lac, Wisconsin, it operates as a privately held firm with a workforce of 1,001 to 5,000 employees. The business manages new construction, facility retrofits, and system fabrication across the United States.
How to get in at Ahern
Securing an internship at Ahern requires speed because early applicants are often reviewed before the candidate pool becomes unmanageable. Intern Insider sends an instant alert the moment a role matching your target is published anywhere, so you apply among the first. This helps you get your materials in front of the team before the pile grows. You can also improve your chances by connecting with the right people. Intern Insider surfaces the recruiters behind the company's roles so you can reach out directly to ask about the role or a referral, which materially improves response rates. Reaching out to a human contact often provides better visibility than a standard application.


