Build Your Future with Ahern
Looking for a company that values your skills, respects your contributions, and gives you the tools to thrive?
With more than 145 years as a family-owned business, we’ve built a reputation as one of the best mechanical and fire protection contractors in the country. We pride ourselves on delivering unmatched quality and innovation while providing you with job stability and support. We have an exciting opportunity for a Plumbing Shop - Journeyworker located in Fond du Lac, WI
Here’s what you can expect when you work at Ahern:
Ahern is seeking a dependable Journeyman Plumber to support our shop-based operations in Fond du Lac, WI. This role focuses on fabrication, assembly, and preparation of plumbing systems and components, ensuring quality and efficiency prior to field installation. The ideal candidate is detail-oriented, safety-focused, and brings strong technical plumbing knowledge. Experience in shop fabrication or pre-fabrication environments is a plus.
Your employment relationship will be governed by a collective bargaining agreement, specifically Local 400.
Qualified candidates must be current Wisconsin-licensed Journeyman Plumber with 5+ years of experience. Successful candidates must be self-starters, have a strong mechanical background, have a good working and learning attitude, and be able to work in a fast-paced construction environment (both indoors and outdoors).
By joining Ahern, you’ll gain the stability of a company that’s been a leader in the industry since 1880, the pride of doing meaningful work, and the support of a team dedicated to your success. Don’t settle for just any job - experience what it’s like to work for the best!
Ahern is an Equal Opportunity Employer and is committed to providing a workplace free from discrimination and harassment.

Ahern is a mechanical and fire protection contractor specializing in HVAC, Plumbing, Building Controls, Sprinkler, Extinguisher & Alarm and Fabrication for construction and service projects. Founded in 1880, the company has over 1,700 employees servicing commercial and industrial customers across the United States. We partner on new construction or retrofit projects, service existing facilities, and provide prefabricated systems while reducing client risk on projects of all sizes.
Ahern's Core Purpose:
To create and maintain systems that save lives, improve the environment, and ensure personal comfort and well-being.
For additional Company information, please visit jfahern.com.
For information on starting a career with us, please visit aherncareers.com.
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