Internships in Duluth, Minnesota, United States

American Engineering Testing (AET) delivers testing, analysis, and design to reduce uncertainty in construction projects. As a Civil Engineering Intern you will assist engineers with field and lab testing of soils, concrete, and aggregates, operate equipment, and communicate findings to project teams.

Are you a college student eager to apply your classroom knowledge to real-world challenges? Our Heavy Civil Construction Internship Program offers hands-on experience across multiple disciplines, including Field Engineering, Estimating, Safety, and Geospatial Technologies .

Looking to turn your classroom knowledge into real-world experience? Foth is seeking a motivated Environmental Science Intern to join our Duluth, MN office for Summer 2027 .

At Loll Designs, we're looking for a Manufacturing Engineering Intern who is excited to learn how engineering, manufacturing, and continuous improvement come together in a real-world production environment. This internship offers hands-on experience working alongside manufacturing engineers and production teams.

Lake Superior Consulting is seeking a Mechanical Engineering Intern to join our team during the Summer of 2027 based out of our Duluth, MN office. The Engineering Intern will assist engineers and designers with the development of engineering drawings, project documentation, and other design-related tasks.

Role Description: The Process Engineer Intern will have the opportunity to contribute to process optimization and safety improvements within a manufacturing environment. This hands-on role involves both lab-scale and plant-scale work, providing a comprehensive view of the engineering lifecycle.

Diesel Program Intern at GES provides hands‑on experience in diesel equipment repair and maintenance. The role involves learning dealer‑supported product lines, service standards, and procedures while assisting in field repairs and maintenance under supervision.

Gain valuable real-world experience by working alongside ALLETE accounting professionals across multiple disciplines, expanding your network and understanding of the field. Explore a variety of accounting functions through project-based assignments, including financial statement preparation and reporting, general accounting, accounts payable, budgeting, property accounting, and cash reporting, while developing skills that support future career growth.

Northwestern Mutual's College Financial Representative Internship Program in Duluth, MN, provides guidance and a framework for building an integrated financial planning practice from the ground up. Interns prospect and network to build a client base, develop business strategies, call on potential clients, prepare financial plans, and engage in weekly coaching and training while working a flexible schedule around classes.

Join ALLETE’s Cyber Technology Services department to assist the Voice and Video Team. Assist collaboration experts and customers support and use several network based systems including: telephone, contact center, video conferencing, video security, digital display, conference room, and several other collaboration technologies used in a large enterprise environment.

ALLETE is headquartered in Duluth, Minnesota, on beautiful Lake Superior, and has operations throughout the United States. We invest in energy-centric businesses and transmission infrastructure.

At Loll Designs, we're looking for a Lifecycle Product Engineering Intern who is excited to learn how products are improved, refined, and supported throughout their lifecycle. This internship offers hands-on experience working alongside engineering and production teams.

Lake Superior Consulting is seeking a Structural Engineering Intern to join its structural team during Summer 2027, supporting projects across oil and gas, helical pile foundation, and power generation industries. Day-to-day work includes assisting with design development, engineering calculations, drawing revisions, inter-discipline coordination, and site visits under licensed engineers.