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Werkstudent*in Commercial Management Prepaid White Label (m/w/d/-) - congstar GmbH

Deutsche Telekom
Germany  Cologne, Germany
Management, English
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Job Description:

We are a colorful team of over 300 congstars and belong to one of the best employers and leading telecommunications providers in Germany. You can find us right in the heart of Cologne in the beautiful Rheinauhafen or remotely working from home.

As part of Deutsche Telekom, we offer the best of both worlds: We combine the flexibility of a start-up with the security of a corporation behind us.
Diversity inspires us - our own and yours. With us, it is allowed and even desired to question things. We really enjoy what we do and it shows. We're colorful, we're creative and we're in the mood - for you!

Among other things, we offer:

* A varied job with a steep learning curve, personal responsibility and creative opportunities
* Flexible working hours and hybrid working model at Cologne's Rheinauhafen (up to 70% remote work is currently possible)
* Workation (up to 20 days/year in other EU countries)
* Free access to a mental health platform including individual and group sessions as well as webinars with psychological experts and coaches for your mental well-being as well as other comprehensive health services
* Attractive salary: Our minimum is 16EUR gross/hour
* We work on equal footing, you are present both at meetings and parties.

This is what you can expect:

* Idea tank: When developing marketing messages and campaigns as well as new concepts, you actively contribute your creative ideas.
* Market analysis: You will independently prepare market and competition analyses and prepare them in convincing presentations.
* Maker mentality: You enjoy analyzing, designing and implementing new topics - with us, you take on responsibility and get involved directly.
* Networked work: Working with internal areas such as CRM, brand and sales as well as external service providers is part of your exciting daily business.
* Agile environment: In a dynamic team, you will help shape the future of the congstar brand and constantly develop yourself in diverse projects.

This is what you have in your luggage:

* Ongoing studies: You are studying business administration, industrial engineering or a comparable field of study.
* Practical experience: First experiences through internships or working student activities will help you quickly become familiar with our processes.
* Working method: You naturally bring along a structured, independent and reliable manner as well as quick comprehension.
* Tool skills: Safe use of Microsoft Office, especially PowerPoint for visually powerful presentations, is a matter of course for you.
* Humor & team spirit: You are passionate about working in a team and laughing together several times a day is simply part of it.

Severely disabled people are given priority if they are equally qualified.

Your contacts
Madeleine Walter & Markus Ollig
congstar Talent Acquisition Team
talents@congstar.net

Candidate Requirements:

None

Source: Company website
Posted on: 15 Apr 2026  (verified 16 Apr 2026)
Type of offer: Graduate job
Compensation: 16 EUR
Languages: English
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