Demand Planning Intern (Summer 2027)

Clarios • Milwaukee, WI

6d • Hybrid

About The Position

This internship focuses on supporting the Demand Planning team in developing and maintaining data-driven forecasts for assigned products, customers, or channels. The intern will analyze historical demand, customer orders, point-of-sale, inventory, and forecast performance data to identify trends, gaps, and opportunities. Key activities include creating recurring reports and visualizations, assisting with demand planning system and master-data activities, and contributing to process-improvement and automation projects.

Requirements

• 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.
• Applicants must be authorized to work for any employer in the US without the need for sponsorship, now or in the future.

Responsibilities

• 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.
• Use 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.

Benefits

• Global market strength and worldwide market share leadership
• HQ location earns LEED certification for sustainability plus a full-service cafeteria and workout facility
• Recognized as one of 2026's Most Ethical Companies by Ethisphere (fourth consecutive year)

What This Job Offers

• Job Type: Full-time
• Career Level: Intern
• Education Level: No Education Listed