HVAC Engineering Intern

Nearly 90% of our Interns rate their experience with us as well above average and 80% of our Interns accept full-time roles after graduation. Why? Because at Ahern, Internships aren’t about making coffee or running errands - they’re about building your future with hands-on experience.

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 HVAC Engineering Intern located in Madison, WI.

Ahern, one of the leading mechanical and fire protection contractors in the United States, has an exciting opportunity for an Intern to work within our Engineer team based in our Corporate office in Fond du Lac, WI.  Building a first class reputation in the industry since 1880 did not happen by chance. It has developed over time through our commitment to conducting business ethically and by providing continuous learning, improvement and development opportunities for its number one asset, employees. You owe it to yourself to find out what Ahern has to offer!        

How you will contribute:

As an Intern within the Engineering team, you will learn how to prepare detailed layouts for various HVAC projects under the mentorship of an experienced engineer.  You will observe and support a seasoned engineer in providing engineering over site of the layout of these HVAC systems, equipment selections, and layouts, provide information to our estimating team relative to the bid packages, participate in the review process for HVAC specification development, layout control strategies, and provide engineering input into the operations plans for system commissioning and start-up. Our engineering team works closely with building owners and project managers to provide energy efficiency advice and assistance on new or existing systems.  

What you need to qualify:

Intern candidates should be pursuing a Bachelor’s degree preferably in Mechanical Engineering or a related engineering program.  Must be comfortable working in MS Office programs and passionate about deepening knowledge of mechanical systems. 

What's in it for you?

As an Intern, you are empowered with genuine hands-on work experience, allowing you to make a meaningful impact and contribute to Ahern’s success.

Why complete your Internship at Ahern?

• Paid Internship: Get compensated for the meaningful work you contribute
• Relocation Support: Need to move for your Internship? We’ve got you covered with a housing stipend to ease the transition
• Exceptional Benefits: Ahern offers company benefits for Interns, including access to 401(k), mental health resources, and personal and professional development opportunities
• Real-World Experience: Apply your classroom learning by working on exciting, hands-on projects that make a real difference - saving lives, protecting the environment, and ensuring personal comfort and well-being.
• Learn from the Best: Gain hands-on experience and be mentored by industry experts who are passionate about sharing their knowledge and helping you succeed.
• Networking and Career Development: Attend our companywide Intern Event, where you’ll connect with fellow Interns, network with company leaders, and learn career skills. Plus, enjoy fun activities like go-karting or river cruises!

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.