Demand Planning Intern (Summer 2027)

Clarios • Glendale, AZ

7d • 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 data, create reports, assist with demand planning systems, and contribute to process improvement projects. The role involves using Excel and business intelligence tools, collaborating with various departments, monitoring data quality, and communicating findings. The internship is for Summer 2027 and requires the ability to work up to 40 hours per week.

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.

Nice To Haves

• 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.

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.

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