Jobs › Charter Manufacturing

Process Engineer Intern (Year-Round)

Charter Manufacturing · Milwaukee, WI · Part time

Posted Sep 9, 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 you used root cause analysis on a problem, in school or at work.

What they are checking: Whether they can apply root cause methods, which are central to this internship.

Tell me about a team project where you had to work with people from different backgrounds.

What they are checking: Collaboration skill, since the internship is built around cross-functional teams.

How will you manage part-time hours during the school year?

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

Why are you interested in steel manufacturing?

What they are checking: Whether their interest is real and specific enough to keep them engaged.

What would you do

You find data that suggests an operator is doing a step differently than the standard. What do you do?

What they are checking: Whether they investigate respectfully and consider that the standard may be the problem.

How would you present your findings to a plant manager who has five minutes?

What they are checking: Ability to be brief and clear about the problem, the evidence and the recommendation.

About the work

How would you collect data on a production process to find out why it varies?

What they are checking: Practical thinking about what to measure, how often and how to keep data reliable.

What statistical tools have you used, and what did they tell you?

What they are checking: Comfort with basic statistics like control charts or regression for real analysis.

What does Lean mean to you, and can you give an example of waste you have seen?

What they are checking: Understanding of Lean ideas beyond the textbook definition.

How comfortable are you in Excel, and what is the most complex thing you have done in it?

What they are checking: Readiness to handle data analysis tasks from the first week.

Practice this interview out loud.

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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 Process Engineer Internship: Provide technical support to operations by spending time on the floor learning processes, troubleshooting, and leading and/or participating on multiple process improvement teams. Program structure: • Schedule: Part-time (15-20 hours/week) during the academic year and full-time (40 hours/week) during the summer. • Location: Milwaukee - Menomonee Valley • Start Date: January 2027 • Duration: Year-round internship What we're looking for: • Enrollment in a four-year degree program in Engineering 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: • Experience working in a manufacturing environment. • AutoCAD experience. What you'll focus on: • Investigate, evaluate and develop project estimates for a variety of operational business challenges at Charter Wire. • Design solutions to resolve challenges throughout the building via AutoCad (SolidWorks) part creation with occasional utilization of 3D printing. • Manage process data collection and analysis as part of project tracking and completion. 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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