Designer, Sr

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, opportunities for career progression, and support. We have an exciting opportunity for a Designer, Sr located in Fond du Lac, WI.

How you will contribute:
The Senior Designer models complex mechanical piping and/or plumbing systems based on provided designs and then develops all associated system drawings, specifications, calculations, and bill of material lists for their assigned projects. The Senior Designer plays a critical role as a lead design member of a project team and serves to model and coordinate comprehensive systems that vary in size and scope for the assigned/designated division at J. F. Ahern, so that once a project is in execution, the field/shop has what they need to ensure optimal productivity/efficiency. The design role is critical in that it is the origin point for all projects, and as such, the Senior Designer consistently operates independently and consistently in a methodical yet fast-paced manner to ensure that the subsequent stages of each project are set up for success and timely completion.

What you need to qualify:
Candidates must have 3-5 years of experience designing mechanical piping and/or plumbing systems, an Associate or Bachelor’s Degree in Mechanical Design, Civil Engineering, Computer Aided Drafting/Design or related field experience. Proficiency in a recent version of Revit, Navisworks and Autodesk Construction Cloud(Forma). Candidates should have a strong understanding of commercial or industrial building construction, have a working knowledge of Wisconsin plumbing code, or mechanical piping systems,  be able to manage a design team’s schedule, lead coordination efforts, problem solve, have strong math skills and the ability to read blueprints.

What’s in it for you?
At Ahern, we understand that life is more than just work - and we’re committed to supporting our employees in every aspect of their lives. Our comprehensive benefits package is designed to give you the flexibility, security, and support you need to thrive - at work and at home. 

Here’s how we stand out from the rest:

• Top-Tier Benefits: Our 401(k) match and health benefits rank in the top 20% nationwide 


• Incentives: A significant portion of our profits is shared with employees through bonus programs


• Generous PTO with the opportunity to buy additional time off


• Paid Parental Leave: Supporting you at every life stage with paid maternity and paternity leave


• Mental Health Resources: Free, full-service mental health care for you and your family


• Wellness Programs: Access on-site fitness centers, personal development funds, and more


• Professional Growth: Take advantage of education assistance, training programs, and development opportunities to advance your career


• Work-Life Balance: Enjoy hybrid and flexible schedules to fit your needs

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.