Engineering Intern - Carthage, MO

At Flex‑O‑Lators Carthage, our Engineering team plays a key role in supporting high‑volume plastic injection molding operations and automation-driven manufacturing. We focus on process optimization, robotics integration, tooling support, and continuous improvement across the plant. By combining hands-on engineering with advanced manufacturing technologies, our team helps drive efficiency, quality, and innovation in everything we produce.

As an Engineering Intern, you will gain hands-on experience in plastic injection molding processes, robotics, and automated manufacturing systems. This role provides exposure to troubleshooting production issues, supporting automation initiatives, and assisting with engineering projects that directly impact plant performance.

This position is ideal for someone eager to learn in a fast-paced manufacturing environment, collaborate across functions, and build foundational engineering skills. Whether your interests lie in plastics processing, robotics, automation, or continuous improvement, this internship offers a strong platform for professional growth.

So, what will you be doing as an Engineering Intern?

• Injection Molding Support – Assist engineers with monitoring and improving plastic injection molding processes, including cycle time optimization, scrap reduction, and process documentation.
• Robotics & Automation – Support the operation and continuous improvement of robotic cells and automated equipment used in part handling, assembly, and packaging.
• Process Improvement Projects – Participate in lean manufacturing and continuous improvement initiatives to enhance safety, quality, delivery, and cost.
• Troubleshooting & Root Cause Analysis – Help investigate equipment or process issues on the production floor and assist in implementing corrective actions.
• Tooling & Equipment Support – Assist with mold changes, setup verification, and coordination with maintenance and tooling teams.
• Data & Documentation – Collect and analyze production data, update work instructions, and support engineering documentation efforts.
• Learning & Development – Work alongside experienced engineers and technicians, gaining exposure to plastics manufacturing, robotics, and plant operations.
• Additional duties as assigned.

To be successful in this role, you’ll need:

• Currently pursuing a Bachelor’s degree in Engineering (Mechanical, Manufacturing, Industrial, Electrical, or related field).
• Strong interest in manufacturing, plastics, or automation.
• Willingness to be hands-on in a production environment.
• Basic mechanical aptitude and problem-solving skills.
• Ability to communicate effectively and work collaboratively with cross-functional teams.

Things we consider a plus:

• Coursework or exposure to plastic injection molding or materials processing.
• Interest or experience with robotics or automation systems.
• Familiarity with lean manufacturing or continuous improvement concepts.
• Experience working in a manufacturing or industrial setting.