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Internship

Oat flakes, muesli and more. If you'd like to get to know our company better to gain career guidance while attending school or university, we offer internships. With us, you'll have the chance to discover new perspectives for your career path.

We welcome the opportunity to meet young and dedicated students and introduce them to our professions. We offer internships in various fields. Learn more about the various internships below.

4 people standing close to each other smiling into the camera. They wear blue and white collar outfits, one of them is holding a wrench

School internship

For students interested in an industrial or technical career, we offer one- to two-week internships in the following areas.

We welcome your application for these positions at any time. Please indicate your preferred timeframe in your application.

Your contact person: Sandra Zwirn
+49 (0) 4121 648 - 3128
s.zwirn[at]peterkoelln.de
Apply now

Areas

Electronics Technician for Operational Technology
Industrial Mechanic
Miller (Process Technologist in Milling and Grain Industry)
Food Technology Specialist

Economic internship

Students interested in economics have the opportunity to learn about the various economic processes and departments of a manufacturing company like Peter Kölln through an internship.

In addition to the many administrative tasks, such as purchasing raw materials or assembling goods, students can also get a glimpse into production.

We generally offer the economic internship during the autumn holidays. For 2026, all available places have already been filled. Please feel free to send us your application. We look forward to hearing from you.

Your contact person: Melanie Hachmann
+49 (0) 4121 648 - 3176
m.hachmann[at]peterkoelln.de
Apply now
A young man sitting on a couch with a laptop in his lap and smiling into the camera

Student internship

Are you looking for an internship that will deepen your knowledge and give you practical insights into your field? With us, you have the opportunity to gain initial professional experience, participate in exciting projects and make valuable contacts.

Whether it's a mandatory internship or supervision of your bachelor's or master's thesis – we offer you an instructive and varied time in a diverse team.

Apply now for your desired area!

Your contact person: Melanie Hachmann
+49 (0) 4121 648 - 3176
m.hachmann[at]peterkoelln.de
Apply now
A young woman is standing in a lab and pouring some grain onto a scale
FAQ

Frequently Asked Questions

Do you still have questions? We may have already answered them in our FAQ. If not, please contact our contact persons – they will be happy to help you.

  • We accept applications for industrial student internships at any time and would be delighted if you would like to get a taste of what we do. We only offer internships in the commercial/economic field in the autumn. As we only have a limited number of places available, it is best to send us your application documents in the summer. If you're looking for a student internship, take a look at our job vacancies – there might be something suitable for you. Otherwise, we are always happy to receive speculative applications.

  • You don't need any qualifications to get a taste of what it's like to do a student or business internship with us. If you would like to complete a student internship, it is important that you are enrolled in a degree programme at a university.

  • If you would like to get to know Kölln better through an internship, please send us your current CV and a brief cover letter with your preferred dates. For student internships, we also require a certificate of enrolment.

  • We take part in various careers and training fairs in the surrounding area, such as the PinBall in Pinneberg or the YES careers fair. We would be delighted if you could visit us there and we could get to know each other. We will be happy to answer all your questions there or by phone at any time.

  • As soon as we have received your application documents, we will check whether there is still capacity available in your desired area and time period and will then respond to your application. In the case of student internships, we would be happy to get to know you better in a short interview beforehand.