J. F. Ahern Jobs Hiring Now
J. F. Ahern is hiring for 31 open roles on Migrate Mate as of July 16, 2026, concentrated in construction management and maintenance & repair, with listed salaries up to about $155,000. Migrate Mate updates J. F. Ahern's live openings daily. J. F. Ahern is a mechanical and fire protection contracting company serving commercial and industrial clients across the Midwest.
Find J. F. Ahern JobsOverview
J. F. Ahern hiring data on Migrate Mate, as of July 16, 2026.
- Open jobs
- 31
- Top team
- Construction Management
- Seniority
- Across all levels
- Work type
- 0% remote or hybrid
- Top location
- Fond du Lac
- Salary range
- $98,000–$155,000
Listed salaries for J. F. Ahern roles on Migrate Mate range from about $98,000 to $155,000 per year across 31 open roles, as of July 16, 2026.
Open Roles at J. F. Ahern
Showing 25 of 31+ J. F. Ahern jobs



















































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 High Pressure Steam Boiler Technician to support our projects throughout the North Central region of Wisconsin, including Stevens Point, Wausau, and surrounding areas.
Here’s what you can expect when you work at Ahern:
- Top-of-the-Line Tools & Technology: We provide you with cutting-edge, new tools to help you excel
- Safety First: Your well-being is our top priority. We’re committed to ensuring every employee leaves work as healthy as they arrived
- Exceptional Work Environment: You’ll work on exciting, hands-on projects that make a real difference - saving lives, protecting the environment, and ensuring personal comfort and well-being
- Perks You Can See: As you progress in your career, field employees receive personalized, regularly upgraded Ahern vehicles (with your name on them!). This is just one of the many perks you have to look forward to
How will you contribute?
In this role, you will play a critical part in ensuring the safe, reliable, and efficient operation of high-pressure steam systems within industrial and commercial environments. You will inspect, test, maintain, and repair high-pressure steam boilers and associated equipment, continuously monitoring system performance to uphold safety and efficiency standards. Using technical drawings and diagnostic tools, you will identify and resolve mechanical and system issues, performing both preventative maintenance and emergency repairs on boilers, pumps, valves, piping, and steam systems. You will ensure full compliance with CSD1 regulations, state boiler codes, and union safety standards, while maintaining accurate maintenance logs and documentation. Working collaboratively with engineers and plant personnel, you will help optimize system performance and respond effectively to emergency calls and system shutdowns as needed.
What you need to qualify?
- Completion of a Steamfitter or Pipefitter Apprenticeship Program (union preferred)
- Active membership in, or ability to join, the local Steamfitters Union
- Strong understanding of high-pressure steam systems and blueprint reading
- Minimum 5 years of experience working with industrial/commercial boiler systems
- Strong problem-solving and teamwork skills
Physical Requirements
- Ability to lift 50+ lbs and work in confined or elevated spaces
- Comfortable working in high-temperature environments
- Ability to perform physical labor for extended periods
Compensation & Benefits
- Wages and benefits per Steamfitters Union Collective Bargaining Agreement
- Paid training and advancement opportunities
- Overtime opportunities
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.
Job Roles at J. F. Ahern
Working at J. F. Ahern
J. F. Ahern's 31 open roles are across all levels, and about 0% are remote or hybrid. The most active teams are construction management, maintenance & repair, and IT support. J. F. Ahern provides mechanical contracting, fire protection, HVAC, and building automation services to commercial and industrial customers. The company employs skilled trades workers, project managers, estimators, safety specialists, and support staff across its operations. Most J. F. Ahern roles are based in Fond du Lac, with some in Milwaukee and Stevens Point.
Explore more roles by function
Browse thousands of live openings across engineering, sales, product, and more, and apply in just a few clicks.
Browse jobs by roleJ. F. Ahern Jobs: Frequently Asked Questions
How many jobs is J. F. Ahern hiring for right now?
J. F. Ahern is hiring for 31 open roles on Migrate Mate as of July 16, 2026, updated daily, concentrated in construction management and maintenance & repair. Positions span skilled trades, project management, estimating, safety, and support functions across its mechanical and fire protection operations.
What kinds of roles does J. F. Ahern hire for?
The most active teams are construction management, maintenance & repair, and IT support. J. F. Ahern hires across mechanical construction, HVAC service, fire protection, building automation, estimating, project management, safety, and operations coordination. Sales and intern roles also appear regularly. Most postings are across all levels, with positions ranging from field technicians and coordinators to project managers and department heads.
Are J. F. Ahern jobs remote or in-person?
Mostly on-site. About 0% of J. F. Ahern's open roles on Migrate Mate are remote or hybrid as of July 16, 2026, with the rest based in Fond du Lac. Each J. F. Ahern listing shows its work location so you can filter before applying.
How do I apply to a job at J. F. Ahern?
Find a J. F. Ahern role on Migrate Mate, then follow the listing through to J. F. Ahern's own careers page to complete the application. J. F. Ahern manages its own hiring process, including screening and interviews, directly. Migrate Mate keeps the listings current so the role you apply to reflects what J. F. Ahern is actively filling.
What do J. F. Ahern jobs pay?
Listed salaries for J. F. Ahern roles on Migrate Mate range from about $98,000 to $155,000 per year as of July 16, 2026, with most postings at across all levels. Exact pay is set by J. F. Ahern and shown on each listing.
Does J. F. Ahern hire entry-level?
Most of J. F. Ahern's open roles on Migrate Mate are across all levels as of July 16, 2026. Check individual J. F. Ahern listings for stated experience requirements.
Where is J. F. Ahern hiring?
Most J. F. Ahern roles are based in Fond du Lac, with some in Milwaukee and Stevens Point, and about 0% offer remote or hybrid work as of July 16, 2026. Migrate Mate shows the location on each listing.