Supply Planning Intern - Summer 2026

Summer 2026 Internship Opportunity!

Title: Supply Planning Intern

Summary:

Are you ready to kickstart your career with a company that’s making a global impact? Carboline is looking for motivated, curious, and driven students to join our team for an unforgettable summer internship experience! This immersive 12-week program (Anticipated: May 18, 2026 - August 7, 2026), offers a unique opportunity to gain valuable experience, build lasting connections, and make a meaningful impact—all before heading back to campus. 

Join our fast-paced Supply Chain team as a Supply Planning Intern and gain hands-on experience in optimizing inventory, forecasting demand, and supporting strategic planning initiatives.

This internship offers a unique opportunity to collaborate across departments, analyze data, and contribute to real-world solutions that drive operational excellence.

What You’ll Gain:


* Meaningful, hands-on experience working on impactful projects that contribute to Carboline’s success.


* Exposure to cross-functional collaboration and insight into how a global organization operates.


* Professional development opportunities, including mentorship from experienced leaders.


* A chance to enhance your skills and apply classroom knowledge in a real-world setting.


* Participation in team-building activities and a workplace culture that values innovation, integrity, and growth.

Minimum Requirements:


* Currently pursuing a degree in Supply Chain or a related field.


* Available to work 30–40 hours per week from May through August.


* Advanced Excel and Power BI skills. 


* Strong communication, organization, teamwork, and interpersonal skills.


* A proactive attitude and willingness to learn.


* Preferred: experience with data science or analytics. 

Physical Requirements:


* Primarily office-based with extended computer use (up to 8 hours/day).


* Students must have housing arrangements in or near St.

Louis for the summer, as housing allowance is not provided.


* No unusual lifting, environmental, or exertion requirements.

Essential Functions:


* Assist in analyzing inventory levels, demand forecasts, and supply plans to support accurate and timely decision-making.


* Collaborate with cross-functional teams to identify supply chain risks and propose proactive solutions.


* Support data entry, reporting, and system updates to ensure planning tools reflect current business needs.


* Participate in planning meetings and contribute insights to improve supply chain efficiency and responsiveness.


* Support the design and development of interactive dashboards using Power BI to visualize key business metrics and performance indicators.


* Champion Carboline’s commitment to safety and quality by adhering to all relevant policies and procedures.

Who We Are: 

Carboline is a St.

Louis-based coatings manufacturer with a global reach.

The company,...