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Supply Chain Intern (Year-Round)

Charter Manufacturing · Milwaukee, WI · Part time

Posted Sep 8, 2026 · We last checked this listing on Oct 6, 2026

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Likely interview questions for this role

Written from this job description, not a generic list. Each one notes what the interviewer is really checking.

About your past

Tell me about a time plans changed at the last minute and you had to adapt.

What they are checking: Flexibility in a fast-paced environment where priorities shift.

How would you communicate a schedule change to production supervisors?

What they are checking: Clear, respectful communication with experienced plant staff who have to act on the schedule you send.

Tell me about a team project. What role did you play?

What they are checking: Teamwork and how they contribute in a group.

Why supply chain, and what do you hope to learn here?

What they are checking: Genuine interest and goals that suggest they will take initiative.

What would you do

A customer suddenly doubles an order, but the material won't arrive until next week. How would you think about the schedule?

What they are checking: Balancing customer demand against material and capacity constraints, which is the core of the role.

How will you manage 15 to 20 hours a week here during the school year?

What they are checking: Reliability and time management for a year-round internship.

You notice the system shows more inventory than what's actually on the floor. What do you do?

What they are checking: Attention to accuracy and willingness to raise data problems.

About the work

You'd help build production schedules for several machines. What would you need to know before you could schedule one?

What they are checking: Whether they understand capacity, demand, material and changeover as the inputs to a schedule.

How comfortable are you in Excel? Tell me about a spreadsheet you built to track something.

What they are checking: Practical Excel skill for schedules and inventory tracking.

Why are inventory levels something a plant has to manage carefully, both too high and too low?

What they are checking: Basic understanding of carrying costs versus stockout risk.

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The full job description

As published by Charter Manufacturing.

Charter Manufacturing is a fourth-generation family-owned business where our will to grow drives us to do it better. Join the team and become part of our family! Charter Wire is a leading Tier 1 supplier and manufacturer of Engineered Shaped Wire, Cold Finished Bar, and Cold-Headed and Stamped Components to various industries, including Automotive, Agriculture, Construction, Consumer, Industrial and Oil & Gas. Charter Wire is a member of the Charter Manufacturing   family of companies. About the Supply Chain Internship: Support a fast-paced manufacturing environment by assisting with production planning, scheduling, and inventory management activities. The intern will gain hands-on experience creating and maintaining production schedules for multiple manufacturing assets while balancing changing customer demand, production priorities, material availability, and capacity constraints. Program structure: • Schedule: Part-time (15-20 hours/week) during the academic year and full-time (40 hours/week) during the summer. • Location: Milwaukee, WI • Start Date: January 2027 • Duration: Year-round internship What we're looking for: • Enrollment in a four-year degree program in Supply Chain Management, Business or a related field with current status of at least a sophomore level. • Cumulative GPA of 2.75 or higher. • Proficient in Microsoft Office software: Excel, Word, and PowerPoint. • Strong verbal and written communication skills. • Strong interpersonal and relationship building skills. • Ability to succeed in a team environment. • Ability to handle multiple tasks. Preferred experience: • ERP experience. • Purchasing experience. • Lean manufacturing, Six Sigma, 5S tools. What you'll focus on: • Monitor production performance, capacity utilization, inventory levels, and raw material availability to help optimize production schedules and support on-time delivery. • Assist with raw material procurement activities and help manage inventory that supports the manufacturing process. • Perform routine inventory audits to validate system accuracy and identify discrepancies. • Provide day-to-day support for the Procurement and Planning teams by assisting with ad hoc projects, data analysis, process improvements, and other supply chain initiatives. What Sets Our Internship Program Apart: Work on meaningful projects while receiving mentorship, professional development, and networking opportunities that help launch your career. Our paid internship program also includes signature experiences like Charter's Intern Kickoff Day, volunteer opportunities, professional development workshops, and the Intern Summer Showcase. #LI-AF1 #LI-Onsite #CharterWire Internship positions are not benefits-eligible.

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