Archived 6/17/2026

Supply Chain Engineering Intern

June - September 2023 • Naperville, IL

What I liked

Seamlessness in the interview to hiring process

What I wish was different

More transparency on next steps as opposed to revealing job location mere 30-45 days before

Advice

Stay open minded and look to learn :)

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Technical Sales Engineer Intern

May - August 2022 • Naperville, IL

What I liked

Encouraged to pursue all interests with the company during my internship. Gained experience through observation and performance of typical sales engineer role.

What I wish was different

More experience making sales or presenting to companies.

Advice

Sales engineering is not for everyone. If you like talking and getting to know people while still maintaining valuable knowledge of a process this is something to look into.

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Graphic Design Intern

June - August 2021 • Naperville, IL

What I liked

I loved all the information I learned throughout my time there along with the connections I made networking with many people throughout the company.

What I wish was different

I wish I would have done more creative projects, but there were many rules in place since Ecolab is such a huge company. But it was great experience working under certain brand standards.

Advice

I would definitely say to network and meet with people in different areas of the company while starting your internship. This just helps you learn to ask questions and learn from people with experience in your field. It also can help with your future if you ever look for a job with that company sometime in the future! You never know who can help you out someday once you get to know people!

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Technical Sales Engineering Intern

June - August 2020 • Dallas, TX

What I liked

I liked the company it’s values, it’s mission and vision.

What I wish was different

The internship was virtual so I would have liked it to be in person

Advice

I would advise future interns to try to be as inclusive as possible

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Regulatory affairs intern

June 2018 - August 2019 • Naperville, IL

What I liked

They gave me a variety of projects to work on and they gave me a lot of freedom so I didn’t feel like I was being watched over all the time.

What I wish was different

Advice

Networking within the company is very easy but essential for future opportunities.

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Engineering Intern

June - August 2019 • Bogalusa, LA

What I liked

I loved being able to apply my degree to a real world situation. Everyday there was a new problem, and the job was never boring!!

What I wish was different

I wish I could have stayed longer.

Advice

I would suggest starting your semester project as soon as possible. I was unable to complete mine since the materials did not ship in time.

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Technical Sales Engineering Intern

May - August 2019 • Selma, AL

What I liked

Plenty of engineering tasks to complete and learn a lot that is actually applicable from the degree being worked towards.

What I wish was different

Advice

Go in with an open mind and be ready to work hard.

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Technical Sales Engineer Intern

June - August 2019 • Vicksburg, MS

What I liked

Opportunities to travel, take the lead on projects, and work with different types of people.

What I wish was different

More communication from my manager

Advice

Don't be afraid to take initiative, most of the "projects" assigned were not things that took up all of my time, and there was plenty opportunity to just find other things to work on to stay busy.

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Technical Sales Engineering Intern

May - August 2019 • Louisville, KY

What I liked

I enjoyed the work structure. I worked a variety locations that gave me exposure to different industries. I was being trained for a long term positions.

What I wish was different

There was a shortage of sales opportunities in my area. This was made up for word different projects though.

Advice

Treat it as a learning experience where you can really get to know what you’ll be doing in a career with Nalco.

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Technical Sales Intern

June 2019 • Oswego, NY

What I liked

Went to different locations everyday. Was able to complete my work remotely. This was my second summer with this internship position and I become much more familiar with the role. I had a lot of interaction with customers. Utilized my laboratory and technical skills but also learned sales techniques.

What I wish was different

I usually only interacted with my Personal Trainer/Sales Rep on a daily basis. A lot of driving depending on the day.

Advice

Requires initiative to put in time and effort into completing projects thoroughly and timely. Complete the technical lessons!

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Water Sale Representative Intern

June - September 2018 • Portland, OR

What I liked

I like the flexibility of the job

What I wish was different

I wish I had more time with my mentor and didn’t have to work between Seattle and Portland.

Advice

My manager told me i just need one person to give me a chance. So this has changed my perceptions of rejection. I don’t need all yeses, I only need one.

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Technical Sales Intern

June - August 2018 • Texarkana, TX

What I liked

I liked the hands on aspect of the internship. I was working alongside the district manager many times and experienced different technical sales experiences. No two days were the same. There was a lot of interaction with the customer and strategic meetings that I got to be a part of.

What I wish was different

I wish I had more time at the beginning to understand the paper making process from a bird's eye view. I had a lot of questions throughout the process simply because I did not understand how one part of the process fit into the rest of the processes to create the whole.

Advice

My piece of advice is to research the paper process before you work at a paper mill customer site. Begin reading the online material before you start your internship so that you can begin ready with questions for your primary trainer.

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Technical Sales Engineering Intern

June - September 2018 • Seattle, WA

What I liked

The job was very hands-on, I was on my feet all day and got to see a lot of the city of Seattle because I was going to a different site every day. I learned a lot about plumbing, heating and cooling systems, and water chemistry. The team that I worked under was full of great people, and the building engineers I met were great as well. The job was also something new every day, it was a wide variety of projects that I got to learn on my own.

What I wish was different

For me personally, I am looking for a career that involves a lot of design work. Most of this internship was maintenance of existing systems, which isn’t as much what I want to do for the rest of my life. Also, driving around to several sites every day would get exhausting for me after a longer time period than just a summer, but for a summer job it was totally fine.

Advice

if you go into it expecting to be on your feet a lot, working by yourself a lot, and meeting a lot of new people, with the knowledge that you will be doing a lot of troubleshooting for cooling tower systems, you will be aligned for success. Also, it helps if you enjoy driving because you’ll do a lot of it. The job is a wonderful and unique work experience, go for it! Oh, and be ready to stay organized because you will have an entire trunk full of testing equipment and it can be a lot to manage!

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