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 Accountant located in Fond du Lac, WI.
As an Accountant, you will play a key role in maintaining accurate financial records and ensuring construction projects comply with GAAP, internal policies, and contract reporting requirements. You’ll set up and monitor projects in the company ERP system, ensuring contracts are accurately configured to support proper revenue recognition and compliance reporting. In this role, you’ll collaborate closely with project managers, coordinators, billing specialists, and auditors to resolve discrepancies and support accurate financial reporting. Key responsibilities include preparing labor reports, contractor tax statements, auditing contracts and contracts change orders. You’ll also review and execute final lien waivers in accordance with Ahern approved language, manage supplier waivers using third-party software, and perform general account reconciliations, variance analysis, and month-end close activities.
To succeed in this role, you’ll need a bachelor’s degree in accounting, finance, or a related field, along with at least two years of relevant experience. An understanding of GAAP and attention to detail are essential, as is the ability to work independently and solve problems proactively. Experience with excel and a collaborative mindset will help you thrive in fast paced environment with a focus on process improvement. Your ability to manage reporting deadlines, reconcile accounts, and support audits will be key to maintaining financial accuracy and compliance across key areas.
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.
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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