Jobs › Plexus

Intern - Analog 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 an analog circuit you designed or built. What did it do?

What they are checking: Whether they have hands-on analog design experience they can explain.

Tell me about a time a design did not work and what you learned from it.

What they are checking: Whether they learn from failure and iterate thoughtfully.

What do you want to learn about analog engineering this summer?

What they are checking: Whether they have clear goals and genuine interest in the field.

What would you do

Your circuit works in simulation but not on the bench. How do you debug it?

What they are checking: Whether they consider real-world effects like layout, parasitics and component tolerances.

Why do medical devices need extra care in analog design, for example around patient safety?

What they are checking: Whether they understand that analog design in medical products carries safety and isolation requirements.

About the work

How would you design an op-amp circuit to amplify a small sensor signal?

What they are checking: Whether they understand gain, offsets and noise in a real signal chain.

What is the difference between a linear regulator and a switching regulator, and when would you use each?

What they are checking: Whether they understand basic power design tradeoffs of efficiency, noise and heat.

How would you filter noise out of a signal before it goes into an ADC?

What they are checking: Whether they understand filtering and anti-aliasing in data acquisition.

What simulation tools have you used, like SPICE or LTspice?

What they are checking: Whether they can simulate circuits before building them.

What lab equipment are you comfortable using?

What they are checking: Whether they can measure and verify analog circuits on the bench with confidence.

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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 As an Analog Engineer at Plexus Engineering Solutions, you will design and develop electrical hardware for products across a wide range of industries. This role collaborates with talented digital, software, mechanical, quality, manufacturing, and test engineers, and it sees all phases of the product development life cycle - from idea and concept; through requirements, design, and development; to transitioning to manufacturing and into the market. RESPONSIBILITIES • Implement and verify the hardware design by using the appropriate EDA tools • Deliver prototype hardware to customers by implementing physical hardware design components, capturing schematics and supervising PCB layouts • Analyze circuit designs with simulation tools such as SPICE and finite element tools • Perform hands-on, in-the-lab, troubleshooting and bring up of prototype hardware • Take detailed measurements of hardware using standard electrical measurement tools including oscilloscopes, multimeters, spectrum analyzers, and network analyzers to assess circuit performance and inform design improvements • Work as a team with other analog, digital, software, and mechanical engineers to review and improve hardware designs • Develop project documentation in accordance with quality and change management procedures and guidelines to ensure project information is properly organized and archived • Participate in performance review to ensure employee continuous improvement and growth • Receive expert mentorship, guidance, and coaching from experienced hardware engineers MINIMUM QUALIFICATIONS • Student working toward a Bachelor’s degree in Electrical Engineering or Electrical Engineering Technology for the entire duration of internship. PREFERRED QUALIFICATIONS • Sophomore or Junior level status • GPA: 3.0 or higher is preferred 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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