Jobs › Plexus

Intern - 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

Apply at Plexus

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 data to solve a problem in school or at work.

What they are checking: Whether they rely on evidence to reach conclusions, which is central to quality engineering.

Tell me about a project where you had to be very careful and precise.

What they are checking: Whether they have the patience and accuracy quality work demands.

How do you handle someone disagreeing with your findings?

What they are checking: Whether they can stay calm, show their evidence and stay open to being wrong.

What are you hoping to learn this summer?

What they are checking: Whether they have clear goals and genuine interest in quality engineering.

What would you do

You see an operator doing a step differently than the work instruction says. What would you do as an intern?

What they are checking: Whether they would raise it respectfully with the operator or their mentor rather than ignore it.

If the same defect keeps showing up on a circuit board, how would you start looking for the cause?

What they are checking: Whether they would gather data on when and where it happens before guessing at a fix.

About the work

What do you think a quality engineer does in an electronics manufacturing plant?

What they are checking: Whether they understand the role prevents defects through process control, not just inspection at the end.

What do you know about statistical process control or control charts?

What they are checking: Whether they have a basic grasp of how to tell normal variation from a real process problem.

Why do customers making medical devices or aerospace products ask for such detailed quality records?

What they are checking: Whether they understand regulated industries need proof, because failures can hurt people.

What problem-solving methods have you learned, such as five whys, fishbone diagrams or DMAIC?

What they are checking: Whether they know structured tools that keep investigations from jumping to conclusions.

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.

Practice this out loud

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 Quality Engineer Intern is responsible for acting as a key liaison between manufacturing and the customer, ensuring that overall customer quality and regulatory requirements and expectations are met and product meets all specifications. With this, the QE Intern will gain vast knowledge of job duties through onsite mentorship and hands-on learning. RESPONSIBILITIES • Facilitate resolution of proactive quality initiatives, continuous improvements, preventative actions, mistaking-proofing, etc. • Facilitate resolutions of reactive quality initiatives; containment/root-cause/corrective actions, customer issues, etc. • Use of statistical analysis tools and methods for problem solving (DMAIC process) • Facilitate quality-related activities associated with customer product introductions within APQP as well as maintaining relations and expectations of current customer base • Monitor processes (through auditing, metrics, etc.) to ensure product health MINIMUM QUALIFICATIONS • Student working toward a Bachelor’s degree in Engineering 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.

Apply at Plexus