About the role#
ISG is looking for an intern to join the Water/Wastewater department for the summer of 2027. You will work alongside our team members to gain practical experience in your field of study.
What you'll do#
- Gain hands-on experience in your specific engineering discipline.
- Participate in a comprehensive professional development program.
What you'll need#
- You are currently pursuing a degree in Civil Engineering.
- You are motivated and enthusiastic.
Location & details#
- This is a paid, full-time internship.
- The role is based on-site in Sioux Falls, South Dakota.
- We do not offer sponsorship for this position.
About ISG
ISG is an architecture and planning firm founded in 1973. The company is 100 percent employee owned and maintains a staff of over 1,400 people. It operates across multiple disciplines including civil engineering, interior design, and community planning. The firm is based in Mankato, Minnesota, and manages offices across several states.
How to get in at ISG
Securing an internship at ISG requires speed because early applicants often receive more attention before the candidate pool becomes crowded. Intern Insider sends an instant alert the moment a role matching your target is published, which helps you apply among the first. This approach ensures your materials are reviewed while the team is still actively building their list of candidates.
Reaching out to the right person can also make a difference in your search. Intern Insider surfaces the recruiters behind the company roles so you can contact them directly to ask about the position or a referral. This direct connection often improves your response rates compared to sending an application into a general queue.



