Demand Planning Intern; Summer

What You Will Do Support the Demand Planning team in developing and maintaining data-driven forecasts for assigned products, customers, or channels.

Analyze historical demand, customer orders, point-of-sale, inventory, and forecast performance data to identify trends, gaps, and opportunities.

Create recurring reports and visualizations that highlight forecast accuracy, forecast attainment, forecast changes, and variance to plan.

Assist with demand planning system and master-data activities, including data validation, history reviews, new-product setup, and product transitions.

Contribute to process-improvement and automation projects that strengthen demand planning tools, reporting, and standard work.

How You Will Do ItUse Excel and business intelligence tools to clean, organize, analyze, and visualize large datasets.

Work with demand planners and partners across Sales, Supply Chain, Finance, Category Management, IT, and other functions to gather inputs and understand business drivers.

Compare statistical forecasts with actual demand and business assumptions, document findings, and recommend data-supported adjustments.

Monitor data quality and investigate exceptions, inconsistencies, or missing information with strong attention to detail.

Communicate progress, assumptions, risks, and conclusions clearly through concise written updates and presentations.

Take ownership of assigned deliverables, manage priorities, ask thoughtful questions, and contribute ideas that improve accuracy and efficiency.

What We Look For Currently enrolled as a full-time student at an accredited U.S. college or university

Pursuing an undergraduate degree in Supply Chain Management, Operations, Logistics, Business, Engineering, Computer Science, Mathematics, Statistics, Data Analytics, or a related field.

Ability to be in the greater Milwaukee area in the summer.

Duration:
Summer 2027. Up to 40 hours per week.

Working Arrangements:
Hybrid internship – must have a quiet workspace away from interruptions, with the option to work in the office. Be able to maintain regular contact with the supervisor/team via virtual methods.

PLEASE NOTE that applicants must be authorized to work for any employer in the US without the need for sponsorship, now or in the future.#LI-CC1

What you get:

Global market strength and worldwide market share leadership HQ location earns LEED certification for sustainability plus a full-service cafeteria and workout facility

Clarios has been recognized as one of 2026's Most Ethical Companies by Ethisphere. This prestigious recognition marks the fourth consecutive year Clarios has received this distinction.

Who we are:

Clarios is the force behind the world’s most recognizable car battery brands, powering vehicles from leading automakers like Ford, General Motors, Toyota, Honda, and Nissan. With 18,000 employees worldwide, we develop, manufacture, and distribute energy storage solutions while recovering, recycling, and reusing up to 99% of battery materials—setting the standard for sustainability in our industry. At Clarios, we’re not just making batteries;

we’re shaping the future of sustainable transportation. Join our mission to innovate, push boundaries, and make a real impact. Discover your potential at Clarios—where your power meets endless possibilities.

Veterans/Military Spouses:

We value the leadership, adaptability, and technical expertise developed through military service. At Clarios, those capabilities thrive in an environment built on grit, ingenuity, and passion—where you can grow your career while helping to power progress worldwide. All qualified applicants will be considered without regard to protected characteristics.

Equal Employment Opportunity:

We recognize that people come with a wealth of…