Design Engineer III

Fontaine Fifth Wheel Company

As a part of the global industrial organization Marmon Holdings—which is backed by Berkshire Hathaway—you’ll be doing things that matter, leading at every level, and winning a better way. We’re committed to making a positive impact on the world, providing you with diverse learning and working opportunities, and fostering a culture where everyone’s empowered to be their best.

The Design Engineer reports to the Engineering Manager and is responsible for supporting product development, product validation, and technical assistance for the Sales and Customer Service teams. This position provides engineering support across both the Jasper, Alabama and Matamoros, Mexico facilities.

In addition to core engineering responsibilities, the role includes tactical product management duties, ensuring project milestones are achieved and new products are launched according to schedule. The Design Engineer will manage multiple projects concurrently while operating independently within a structured engineering environment. The position also contributes to long-term product strategy by assisting in the development of three- to five-year product and technology roadmaps that align with organizational goals.

A key focus of this role is advanced product development, including mechanical design, embedded electrical systems, and software engineering integration. The ideal candidate will possess a bachelor’s degree in engineering or a related field, along with at least three years of design engineering experience, preferably in product development and innovation. Strong proficiency with 3D CAD modeling software and experience utilizing finite element analysis (FEA) for design optimization are essential.

Location This role will report to the corporate office at 3520 Industrial Parkway, Jasper, Alabama 35501, but the engineering manager will have flexibility to determine a hybrid schedule to work remotely from a home office periodically as needed.

Key Responsibilities:

R&D and Innovation

• Design and develop embedded applications, firmware, electronic sensing systems, and sensor-driven technologies that address customer needs and support the heavy-duty truck industry's evolution toward autonomous operation. • Develop, maintain, and manage engineering specifications and statements of work for electronic components and sensor suppliers. • Evaluate existing products and identify opportunities for product enhancements and innovative new solutions. • Create and refine design concepts through multiple prototype iterations utilizing CAD software, FEA analysis, and additive manufacturing technologies, including 3D printing. • Support the development of long-term innovation and technology roadmaps that align with business and engineering objectives.