
At The H-J Family of Companies, we help power the world—literally. As a global manufacturer of electrical components for power distribution, our products keep the lights on and industries moving. We’re looking for curious, driven students who want more than just a summer job—interns who want real hands-on experience, opportunities to learn from experts, and a chance to spark their future careers.
In this role, you will have the unique opportunity to shape your own projects and take ownership of meaningful improvements in our manufacturing processes. With a focus on epoxy molding and electroplating, you will be encouraged to explore ideas, find solutions, and drive projects forward in the direction that interests you most while also performing regular manufacturing upkeep. Through this role you will gain real-world experience with a chance to make a visible, lasting impact on our production processes, efficiency, and safety alongside our Chemical Engineering team.
Projects You Will Work On:
Skills and Requirements:
Must be available to work on-site at our High Ridge, Missouri facility.
Local candidates preferred; relocation and housing assistance are not provided.
What You’ll Gain:
Please note: All internships are based at our High Ridge, Missouri location. These roles are designed for students who are local to the area or can provide their own housing and transportation, as relocation and housing stipends are not offered.

Global manufacturer and supplier of transformer, switchgear, and breaker components and hardware - Since 1969
The H-J Family of Companies is in business to provide our customers with high quality, cost-effective products and services. We take great pride in our business and serving our customers. Founded in 1969, we have built our business over the past decades with a “customer first” approach. As the business has evolved, we have continually expanded our product and service offering while maintaining our focus on customer service.
H-J has a multi-faceted offering which is unmatched in the transformer and switchgear components market. We have H-J wholly-owned and operated manufacturing facilities which are vertically integrated and continually improving our operations and offering. We have also developed extensive supply networks with high quality providers from around the world to complement our production and vertical integration. The other piece of our offering is based on strong partnerships with world-renowned manufacturers. H-J is proud to represent and partner with these companies to offer our customers complete solutions with a breadth of offering which is unprecedented in the market.
We at H-J value and nurture long-term relationships, and we look forward to working with you.