Internships in Naperville, Illinois, United States

SRS Distribution, a subsidiary of The Home Depot, offers a 10‑12 week full‑time internship across 29 Midwest branch locations. Interns receive hands‑on training in distribution operations, sales, and leadership, working alongside branch managers and a Territory Manager.

Process Analyst – a co‑op/internship role at BMO Bank of Montreal’s Naperville, IL campus. Students will support the Investment Operations function, executing and delivering on investment product and service processes while ensuring compliance with financial and regulatory controls.

Manufacturing – Process Engineering Co‑Op is a full‑time internship at Mondelez International’s Naperville plant. Students pursuing a bachelor’s in Chemical, Mechanical, or Industrial Engineering will lead production teams, optimize schedules, and ensure safety while gaining hands‑on experience in a fast‑paced snack‑food environment.

This unpaid externship offers veterinary‑tech students hands‑on experience in emergency medicine at VEG’s Naperville hospital. Students shadow credentialed technicians, assist with triage, diagnostics, anesthesia, and inpatient care, and practice skills required by their school’s proficiency checklist.

Digital Marketing & eCommerce team at Sourcebooks creates and executes digital advertising, social media, and email campaigns for its publishing imprints. As a Digital Marketing Intern you will support the Audience Development team by scheduling social content, assisting influencer outreach, drafting email campaigns, and maintaining marketing calendars.

Edwards Lifesciences invites MBA candidates to join its Summer Associate Program 2026, offering hands‑on experience in cardiovascular device innovation. Participants work full‑time for 10 weeks at either the Irvine, California headquarters or the Naperville, Illinois regional office.

An internship program for aspiring software developers at BMO Bank of Montreal, offering a 10‑week, full‑time, hybrid experience focused on the software development lifecycle. Interns will translate user requirements into technical specifications, develop and test code, maintain systems, and evaluate new technologies while gaining exposure to BMO’s tools, standards, and learning platforms.

Business Analyst internship at BMO Bank of Montreal offers a 10‑week campus program in Chicago and Naperville, IL. Students gain hands‑on experience in business operations, data analysis, and technology solutions. Responsibilities include investigating optimization strategies, defining business requirements, sourcing market data, troubleshooting system issues, and building test cases.

A 10‑week full‑time internship in software development at BMO Capital Markets offers students hands‑on experience in the entire software lifecycle. Interns will translate user requirements into technical specifications, write and test code, and maintain existing systems.

Manufacturing Intern at Mondelez International – a global snack leader – offers a hands‑on experience in the Taste The Future Program. Based in one of several U.S. locations (Chicago, Richmond, Portland, Naperville), the role immerses interns in the integrated supply chain that produces iconic brands such as Oreo, Chips Ahoy, Ritz, Wheat Thins, Triscuit, Swedish Fish, and Sour Patch Kids.

Training & Development team at Sourcebooks supports employee learning and HR initiatives. The intern partners with the Director on learning projects, maintains content systems, assists recruitment, and provides general HR admin support.

Northwestern Mutual College Financial Representatives internship program builds future financial planners through mentorship, networking, and hands‑on client work. Interns prospect, develop business strategies, prepare plans, and use proprietary planning software while receiving weekly coaching and training.

Business Analyst Internship – Summer 2026 at BMO Capital Markets offers a 10‑week, full‑time program for students enrolled in an academic program. The role is based in Chicago, IL and Naperville, IL, and focuses on optimizing business operations, defining requirements, and supporting technology projects.

Elder Hanson & Company, Ltd. is a CPA firm focused on delivering tax, accounting, and consulting services to professional service businesses. As a Tax Intern you will organize confidential client tax information, digitize and file documents, review files for accuracy, prepare client deliverables, and assist with individual tax return preparation while communicating professionally with clients and the CPA team.

Development Services, Asset Management, Roadway team at Kimley-Horn focuses on designing and improving infrastructure for clients. The intern will use technical software to analyze, produce, and QC deliverables, support pre‑construction civil engineering design, planning, permitting, and analysis, and collaborate across disciplines to bring client visions to life.

Personal Training Internship program at Life Time Fitness focuses on developing future fitness professionals. Interns assist the Personal Training Team with member assessments, floor support, and program promotion while documenting weekly experiences and receiving hands‑on training.

Elevate at Ecolab is a virtual development summit that brings rising juniors from across the U.S. together to learn about Ecolab’s sustainability impact, culture, and career paths. Participants engage with senior leaders, explore diverse functions, and gain insights into internships and future roles.

Carrier Global, a global leader in intelligent climate and energy solutions, offers a Summer Sales Engineer Intern program designed to immerse students in real‑world sales processes and cross‑functional collaboration. Interns rotate through Automated Logic Contracting Services departments—Sales, Operations, Engineering, and Service—working directly with industry‑leading sales professionals and customers.

Student Services Department at Glenbard South High School provides essential support for student wellbeing. The Social Worker Intern will supervise students throughout the school day, conduct interviews, consultations, and counseling, and assist the Assistant Principal for Student Services.

Store Executive Intern on Target’s Store Leadership team, developing hands‑on retail leadership skills. The role involves leading store teams, driving guest experience, managing daily operations, and learning to meet sales and service goals.