Jobs › Plexus

Intern - Finance (Summer 2027)

Plexus · Buffalo Grove, IL · $22.00–$24.00 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 used Excel to analyze data and reach a conclusion.

What they are checking: Whether they have practical spreadsheet skills that finance interns use every day.

Tell me about a time you had to learn something quickly to finish a project.

What they are checking: Whether they can ramp up fast in a new area during a short internship.

How do you keep your work accurate when you are working quickly?

What they are checking: Whether they have habits that catch errors, which finance cannot afford to miss.

What area of finance do you want to explore this summer, and why?

What they are checking: Whether they have direction and genuine interest in corporate finance work.

What would you do

You find a number in a report that does not tie to the source data. What do you do?

What they are checking: Whether they dig into discrepancies and raise them instead of ignoring them.

How would you present a financial finding to someone who is not in finance?

What they are checking: Whether they can explain numbers clearly to engineers or operations leaders.

About the work

How would you explain the difference between the income statement, the balance sheet and the cash flow statement?

What they are checking: Whether they understand basic financial statements well enough to contribute from day one.

What do you think drives profit for a company that manufactures products for other companies?

What they are checking: Whether they can reason about how a contract manufacturer earns money and where costs come from.

What is a variance, and how would you explain one to a manager?

What they are checking: Whether they understand budget versus actual analysis and can communicate it simply.

Why does inventory matter so much to a manufacturer's finances?

What they are checking: Whether they understand that inventory ties up cash and carries risk of becoming obsolete.

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 - $24/hr. OVERVIEW To provide financial input to site management at a manufacturing site and drive financial performance improvement. Responsible for a variety of financial activities, including product costing and pricing, sales and margin forecasting, analysis of customer margins, costs, key balance sheet metrics and financial risk avoidance. RESPONSIBILITIES • Sales price verification • Assist in Month End Activities • Financial journal creation and entry • Assist in the analysis of historical results, quoted margins and projected margins • Provide Finance and Accounting support across the department • Familiarity with financial principles and accounting concepts. • Proficient in Google Workspace or Microsoft Excel and other relevant financial software. Analytical mindset with attention to detail for data analysis and financial modeling. • Strong verbal and written communication skills for effective collaboration. MINIMUM QUALIFICATIONS • Student working towards a Bachelor’s degree in Business, Finance, Accounting or related field for 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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