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Intern - Digital Manufacuring Opetiations Engineer (Summer 2027)

Plexus · Neenah, WI · $23.00–$27.00 an hour · Full time

Posted Sep 1, 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 automated something that used to be done by hand.

What they are checking: Whether they look for ways to remove repetitive work, which is the heart of digital manufacturing roles.

Tell me about a time you had to figure out a problem with little guidance.

What they are checking: Whether they can make progress independently while still asking for help when they truly need it.

What would you want to have built or improved by the end of the summer?

What they are checking: Whether they think in terms of leaving behind something useful rather than just completing assigned tasks.

What would you do

A line system that tracks parts goes down during second shift. What would you do first?

What they are checking: Whether they think about keeping production moving safely, getting the right help and documenting what happened.

How would you explain a technical problem to an operator who just wants the system to work?

What they are checking: Whether they can communicate simply and respectfully with production staff who depend on their tools.

If machine data showed a sudden spike in defects, how would you start investigating?

What they are checking: Whether they compare timing with changes in parts, settings or people instead of guessing at a cause.

About the work

What do you think digital manufacturing means on a real factory floor, beyond the buzzwords?

What they are checking: Whether they connect it to concrete things like machine data, traceability and software that runs production.

Have you worked with any manufacturing systems, databases or scripting? Tell me about the most hands-on example.

What they are checking: Whether they bring real skills they can use on the floor or will need significant training to contribute.

Why does traceability matter so much for products like surgical systems or aerospace equipment?

What they are checking: Whether they understand regulated customers need to know exactly which parts and steps went into each unit.

Which programming languages or tools are you most comfortable with, and how quickly do you pick up new ones?

What they are checking: Whether they are honest about skill level and show they can learn the specific systems Plexus uses.

Practice this interview out loud.

Offer builds a real interview for this exact role at Plexus from your resume and this job description, asks the questions one at a time, and tells you what landed. The first one is free.

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The full job description

As published by Plexus.

About us: At Plexus, our vision is to help create the products that build a better world. Driven by a passion for excellence, we partner with leading Aerospace/Defense, Healthcare/Life Sciences and Industrial companies to design, manufacture and service some of the world’s most transformative products, including advanced surgical systems, diagnostic instruments, healthcare imaging equipment, mission critical aerospace systems, and electric vehicle (EV) charging solutions. Visit Plexus.com to learn more about our unwavering commitment to our vision. When we invest in our people, we invest in building a better world. With a vision rooted in the wellbeing and inclusive engagement of our team members, our customers, their end users and our communities, people are the heart of what we do and who we are. It is our values that unite us and guide us in everything that we do, including how we operate, behave and interact to foster a workplace where every team member feels valued and empowered to contribute their best. Our values include: Growing our People, Building Belonging, Innovating Responsibly, Delivering Excellence and Creating Customer Success. As a team member, you will engage in impactful work through global collaboration and the use of emerging technologies, join an inclusive culture where every team member is valued and working toward a greater purpose, and be empowered to reach your full potential through various development programs designed to accelerate your growth. Plexus offers a comprehensive benefits package designed to support team members' wellbeing, including medical, dental, and vision insurance, paid time off, retirement savings, and opportunities for professional development. We also prioritize work-life balance and offer a variety of perks to enhance the team member experience. For more information, visit our US benefits website at usbenefits.plexus.com . Our commitment to pay range transparency fosters an equitable workplace, where everyone can feel valued. This is an internship position (Non-Exempt Salary); the hourly range is stated below. The rate offered within this range will be based upon the geographic location, work experience, education, licensure requirements and/or skill level. Hourly Rate: $23 - $27/hr. OVERVIEW The role of the Digital Manufacturing Operations intern is to support the optimization and enhancement of manufacturing operations using advanced digital technologies. This role will apply tools such as automation, data analytics, and simulation to improve efficiency, quality, and agility in a high-volume production environment, directly contributing to real-world operational performance RESPONSIBILITIES • Analysis, development, and implementation of digital manufacturing solutions (e.g., automation scripts, data models, simulation scenarios). • Gather, clean, and analyze manufacturing data to identify process bottlenecks and potential improvements. Helps verify the effectiveness of newly implemented digital tools. • Create and maintain comprehensive project documentation, logging findings, results, and procedures in accordance with quality and change management guidelines. • Complete project work to develop a foundational understanding of Plexus' Manufacturing processes, product requirements, and engineering specifications. • Gather practical experience utilizing specialized software, test equipment, and measurement tools necessary for project execution and verification. MINIMUM QUALIFICATIONS • Student working toward a Bachelor’s degree in Engineering or related field for the entire duration of internship. • Experience in Solidworks, AutoCAD, and Lean Sigma • Proficient in Google Applications PREFERRED QUALIFICATIONS • Junior level status • GPA: 3.0 or higher is preferred • Excellent analytical, problem solving, and organizational skills • Strong communication skills Physical Requirements: • N/A Travel Requirements: • N/A This document does not represent a contract of employment and is not intended to capture every possible assignment the incumbent could be asked to perform. We are pleased to provide reasonable accommodations to individuals with disabilities or special requirements. If you need an application accommodation, please contact us by email at GHQ.TA@plexus.com . Please include your contact information and clearly describe how we can help you. This email is for accommodation requests only and cannot be used to inquire about the status of applications. We are an Equal Opportunity Employer (EOE) and do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. Some offers of employment are contingent upon successfully passing a drug screen and/or background check.

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