Test Lab Engineer Intern - Summer 2027

POWER YOUR FUTURE!

Every time you turn on a light switch, H-J is helping to deliver that power!

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.

Summary of the Position: As a Test Lab Intern, you will support our engineering and quality assurance teams by conducting tests, creating design models, and assisting with inspections. This hands-on role in a high-voltage laboratory emphasizes safety, precision, and attention to detail, providing valuable experience in testing procedures, data analysis, and cross-departmental collaboration.

Projects You Will Work On:

• Create models and drawings of design concepts.
• Conduct Dry AC Voltage Withstand tests.
• Perform Partial Discharge Measurements.
• Carry out Quality Inspections.
• Execute Leak Check Testing.
• Utilize X-Ray Imaging for inspections.
• Assist with and conduct Impulse Testing.
• Support the Test Lab Engineer and Manager.
• Collaborate with the Quality Assurance Department.

Skills and Requirements:

• Previous electrical experience is preferred.
• Commitment to safe working practices in a high voltage laboratory environment.
• Excellent communication and writing skills.
• Experience in building, prototyping, and/or machining is preferred.
• Proficiency with Microsoft Office.
• Methodical and detail-oriented approach.

• 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:

• Hands-on experience in electrical testing and lab procedures.
• Mentorship from experienced engineers and quality professionals.
• Exposure to high-voltage testing, inspections, and data analysis.
• Career-ready skills in lab safety, technical documentation, and cross-functional collaboration.

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.