Jobs › Plexus

Intern - Design Assurance Engineer (Summer 2027)

Plexus · Neenah, WI · $23.00–$27.00 an hour · Full 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 you found a mistake in a document or report. What did you do?

What they are checking: Whether they pay close attention to detail and speak up about errors.

Tell me about a project where you had to write clear technical documentation.

What they are checking: Whether they can write clearly, since design assurance produces a lot of formal documents.

What do you hope to learn this summer, and what kind of engineer do you want to become?

What they are checking: Whether they have real interest in quality and regulated design as a career path.

What would you do

An engineer tells you a test is not needed because the design obviously works. How do you respond?

What they are checking: Whether they understand that regulated products need evidence, not confidence.

How would you organize a large set of test results so someone can review them quickly?

What they are checking: Whether they can structure information for auditors and reviewers.

About the work

What do you think design assurance means, and why would a medical device company need it?

What they are checking: Whether they understand that design assurance proves a product is safe and does what it should.

What is the difference between design verification and design validation?

What they are checking: Whether they know a core concept in regulated product development.

Have you heard of ISO 14971 or risk management for medical devices? How would you identify risks in a simple device?

What they are checking: Whether they can think through hazards and how a product could hurt someone.

How would you trace a requirement through to a test that proves it was met?

What they are checking: Whether they understand traceability, which is central to design assurance work.

What does FDA design control mean to you, even at a basic level?

What they are checking: Whether they have curiosity about the regulations behind medical device 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: $23 - $27/hr. OVERVIEW The Design Assurance Engineer will provide design qualification and engineering support throughout all stages of the product development and manufacturing lifecycle. The DA engineer will serve as the focal point for the project team and the customer on topics related to safety agency and regulatory compliance as well as the necessary quality system(s). RESPONSIBILITIES • Ensure that the planned project activities are compliant with Plexus' Standard Operating Procedures, ISO (i.e. 13485) quality systems, FDA Quality System Regulations (QSR), REACH and RoHS directives, and medical device standards (i.e. IEC 60601) as applicable for each unique product. • Direct the development and assembly of prototypes by authoring and reviewing product documentation in accordance with quality and change management procedures and guidelines. Provide documentation and technical assistance to design engineering staff and material procurement team to ensure high quality prototypes are built in a timely manner. • Participate in the Plexus quality system development and maintenance. • Demonstrate proficiency using lab equipment and debug techniques to ensure electro-mechanical products meet design requirements. • Determine appropriate specifications to comply with regulatory and compliance requirements of intended markets, and facilitate documentation of such specifications. • Lead the development of the product Risk Management Plan, Design Failure Modes and Effects Analyses, and Fault Tree Analyses as necessary to comply with ISO 14971 requirements. • Participate in all Design Verification test activities, including generation of the Verification Plan, Procedures, Traceability Matrix, and Report documents, as well as prototype test execution. • Evaluate a product’s Bill of Materials to determine any lifecycle or environmental compliance concerns and investigate alternative solutions to meet the project needs. MINIMUM QUALIFICATIONS • Student working toward a Bachelor’s degree in Computer Engineering, Electrical Engineering, Biomedical Engineering, or Software Engineering for entire duration of internship. PREFERRED QUALIFICATIONS • Sophomore or Junior level status • GPA: 3.0 or higher is preferred • Working knowledge of medical device and similar safety standards (i.e. IEC 60601-1, IEC 61010-1) • Understanding of regulatory requirements 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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