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Office Manager

J. F. Ahern Co.
parental leave, 401(k)
United States, Wisconsin, Fond du lac
855 Morris Street (Show on map)
Nov 08, 2025

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 aOffice Manager located in Fond du Lac, WI .

How you will contribute:

As the Office Manager, you will play a central role in maintaining a productive and organized office environment. Your responsibilities will include managing day-to-day office operations, facilitating internal and external communications, and supporting the northeast leadership team with key administrative functions. Your attention to detail will be essential as you prepare month-end financial data for senior leadership to review and analyze performance. You'll also showcase your team-building abilities by coordinating employee and customer events that foster engagement and connection.

In this role, you will help manage communication flow between the field, office, and corporate services, while also collaborating with other operational divisions to ensure alignment and efficiency.

A portion of your time will be dedicated to supporting multiple Project Managers-gathering information, drafting correspondence, submitting documents for approval, and securing necessary permits. You will guide the team in assembling proposals and bidding documents, processing purchase orders, tracking project data across various systems, and following up with customers and vendors to keep projects on schedule. Additional responsibilities include processing weekly and monthly billings, coordinating meetings, and managing contracts and subcontracts. This is a dynamic role that will challenge you to exceed expectations in a collaborative, team-oriented environment.

What you need to qualify:

Ahern will help make the most of your associate degree in an administrative program. Three to five years of prior experience in an office management or administrative assistant role is preferred. Being proficient in Microsoft Office and technically inclined to learn industry-specific software will be essential. You can stand out above other candidates by demonstrating the ability to thrive in a fast-paced, deadline-driven work environment. A commitment to providing exceptional customer service, possessing strong written and verbal communication skills, and being able to execute tasks with a great amount of detail will be crucial. Time management, making decisions independently, in-depth problem-solving skills, the ability to provide constructive feedback, and the ability to maintain a high degree of confidentiality will all be essential in this position. If you are ready to demonstrate this expertise, Ahern wants you!

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.


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