About the role#
This is a paid, full-time internship based in Fond du Lac, Wisconsin. You will work on-site with our National Team to gain hands-on experience in fire protection design. This role focuses on practical project work rather than administrative tasks.
What you'll do#
- Design automatic sprinkler systems using AutoSPRINK and AutoCAD.
- Create fire protection designs that follow applicable codes and contract scopes.
- Prepare stock lists using standard company formats.
What you'll need#
- Currently pursuing an associate's or bachelor’s degree in Mechanical Engineering, Civil Engineering, Industrial Engineering, or a related field.
- Strong math and analytical skills.
- Prior experience with AutoCAD is preferred.
- Knowledge of the construction industry is helpful.
Location & details#
- Location: Fond du Lac, WI.
- Work Modality: On-site.
- Term: Rolling.
- Compensation: Paid position.
- Sponsorship: Not available.
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.



