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 Assistant Design Manager located in Des Moines, IA
How you will contribute:
This is a great opportunity to leverage your design talent and leadership skills as you lead, mentor & direct the design team on various fire protection system projects. As the Assistant Design Manager, you will exercise your attention to detail while designing automatic sprinkler systems using AutoSPRINK. You will ensure the quality of submittal drawings, calculations, monitor the workload of other designers, and maintain technical certifications to obtain necessary permits and certificates. In conjunction with Labor Leadership and Sales Project Managers, you will plan, organize and execute projects through activities such as; on-site field surveys, generating hydraulic calculations, submitting drawings to obtain the required building permits, 3D BIM coordination using NavisWorks, preparing stock lists, ensuring the projects adhere to the proposed timeline, and preparing project close-out, operation and maintenance documents. You will be challenged to excel beyond your expectations in a team-oriented, results driven environment.
What you need to qualify:
You will have a minimum of two years of prior relevant experience working with fire sprinkler design. Leadership experience is preferred. 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, maintaining cutting edge industry knowledge and being able to execute tasks with a great amount of detail will be crucial. 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:
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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