Jobs › Plexus

Intern - Supplier Quality Engineer (Summer 2027)

Plexus · Neenah, WI · $22.00–$26.00 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 lab, class or project where you used measurement tools or data to check quality.

What they are checking: Whether they have hands-on experience with measurement and data that applies to inspection work.

Tell me about a time you noticed a problem others had missed.

What they are checking: Whether they have the attention to detail and curiosity quality work rewards.

What are you hoping to learn from a supplier quality internship?

What they are checking: Whether they have real interest in quality engineering and clear goals for the summer.

What would you do

A supplier's representative insists their parts are fine and your data says otherwise. How would you handle that conversation?

What they are checking: Whether they can stay respectful while standing behind evidence.

You're asked to summarize supplier defect data for your manager. How would you present it?

What they are checking: Whether they can turn data into a clear picture that points to where to act.

About the work

In your own words, what does a supplier quality engineer do?

What they are checking: Whether they understand the role is about making sure parts from outside suppliers meet requirements before they reach the line.

If a batch of parts from a supplier fails inspection, what steps would you expect to follow?

What they are checking: Whether they think about containment, notifying the supplier and finding the root cause, not just rejecting parts.

What do you know about root cause tools like the five whys or a fishbone diagram?

What they are checking: Whether they know basic problem-solving methods quality engineers use every day.

Why would aerospace and medical customers care about where every component came from?

What they are checking: Whether they understand traceability and counterfeit risk in regulated industries Plexus serves.

How comfortable are you reading engineering drawings and specifications?

What they are checking: Whether they can compare parts to requirements, which is the base of supplier quality work.

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: $22 - $26/hr. OVERVIEW The Supplier Quality Engineer Intern will be acting as a liaison between operations, suppliers, and the Supplier Quality Department, to ensure that overall specifications, quality/regulatory requirements, and expectations are met for purchased products. RESPONSIBILITIES • Support part qualification and evaluation activities (both prototype and sustaining manufacturing) resulting in acceptable and consistent supply. Includes external activities (establishing part quality requirements, APQP, PPAP, etc.) and internal activities (sampling plans, inspection processes, etc.) • Support supplier audit activities related to both validation and on-going management of quality execution capabilities • Monitoring supplier quality performance based on analysis of Plexus and supplier performance data • Support problem part resolution through all phases of operations • Responsible for supporting supplier corrective action and continuous improvement activities • Support containment, segregation, NCM review, and trend analysis processes activities relative to supplied parts • Facilitate reporting and notifying suppliers of cost-recovery requirements resulting from the need to contain, segregate or handle non-conforming parts • Support alternative supplier selection • Support RI activities and process effectiveness • Participates in customer-facing supplier quality activities • Minimal travel may be required to meet the needs of the business MINIMUM QUALIFICATIONS • Student working towards a Bachelor’s degree in Engineering or related field for the entire duration of internship. PREFERRED QUALIFICATIONS • Junior level status • GPA: 3.0 or higher is preferred • Excellent analytical, problem solving, and organizational skills • Strong communication skills 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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