Demand Planning Intern (Summer 2027)

Clarios; Glendale (CA); Hybrid; USD 25,000 - 39,000; Full time

Benefits offered by this job

Global market strength

LEED-certified HQ

Industry recognition for ethics

Job summary

Clarios is seeking a Summer 2027 intern to join the Demand Planning team in Glendale, CA. You will help develop data-driven forecasts for products and channels, analyze historical data, and support forecast accuracy initiatives.

You will create reports and visualizations, collaborate with Sales, Supply Chain, Finance, and IT, and assist with data validation and master-data tasks. This hybrid internship offers hands-on experience and exposure to planning tools.

Qualifications

• Currently enrolled as a full-time student at a U.S. college or university.
• Pursuing an undergraduate degree in Supply Chain Management, Operations, Logistics, Business, Engineering, CS, Math, Data Analytics, or 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 with quiet workspace and optional office days.
• Applicants must be authorized to work in the US without sponsorship.

Responsibilities

• Support the Demand Planning team in developing data-driven forecasts for assigned products, customers, or channels.
• Analyze historical demand, orders, and forecast performance to identify trends and opportunities.
• Create recurring reports and visualizations highlighting forecast accuracy and variance to plan.
• Assist with data validation, history reviews, and master-data activities.
• Contribute to process-improvement and automation projects for planning tools and reporting.

Skills

Forecasting

Data analysis

Communication

Attention to detail

Education

Undergraduate degree in Supply Chain Management or related field

Tools

Excel

BI tools

Job description

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 It

• 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.

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.

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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 experience and talent beyond just the technical requirements of a job. If your experience is close to what you see listed here, please apply. Diversity of experience and skills combined with passion is key to challenging the status quo. Therefore, we encourage people from all backgrounds to apply to our positions. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, age, status as a protected veteran or other protected characteristics protected by law. As a federal contractor, we are committed to not discriminating against any applicant or employee based on these protected statuses. We will also take affirmative action to ensure equal employment opportunities. Please let us know if you require accommodations during the interview process by emailing [e-mail]. We are an Equal Opportunity Employer and value diversity in our teams in terms of work experience, area of expertise, and all characteristics protected by laws in the countries where we operate. For more information on our commitment to sustainability, diversity, and equal opportunity, read our latest report. We want you to know your rights because EEO is the law.