1&1 | Germany | 76xxx Karlsruhe | Student job | Part time - flexible / Home office | Published since: 24.07.2026 on stepstone.de
Working Student - Customer Management - Focus on Campaign Management (m/f/d)
1&1 is one of the leading telecommunications providers in Germany with over 3,100 employees and nearly 16 million customer contracts. With pioneering spirit, unusual ideas and creative teams, we have won a leading market position in mobile and broadband connections. By combining the over 67,000 km long 1&1 fiber optic network and regional networks, we create Germany's most extensive fiber optic network. We also build the most modern 5G network in Europe, based on the new Open-RAN technology. With open interfaces and 5G functions in a powerful cloud infrastructure. We are the stock customers marketing experts - with personalized, data-driven campaigns binding on all contact channels and we develop our customers. Be part of 1&1. .
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Your tasks • Your profile • What we offer
Become part of our Customer Management Mobile Team at the Karlsruhe location and gain valuable practical experience in modern campaign management.
Working with the design, control and implementation of marketing campaigns in the area of Call, Media & Selection Creation of briefings for internal departments and external partners for targeted campaign control Support in the analysis and measurement of ongoing marketing measures and deriving recommendations for action Design of meaningful presentations and reporting with PowerPoint and Excel Own-sponsored takeover of small projects and conducting research and analysis Creating your own ideas to further develop customer communication and campaign processes Cooperation in a dedicated team with insights into CRM, marketing and data-driven customer approach Possibility to gain experience in the planning and implementation of campaigns for millions of mobile customers
You are a registered student (w/m/d) of business administration, marketing, communication sciences, media sciences or a comparable discipline and are interested in long-term cooperation of at least one year.
Interest in marketing, customer communication and data-driven decisions Embossed team skills and a structured and independent way of working Analytical thinking and joy in making results understandable Secure handling of MS Office, especially Excel and PowerPoint Fun in cooperation in a dynamic and agile environment Very good knowledge of German in word and writing; English knowledge is advantageous
- Attractive salary
- Strong community of team players
- Working hours of confidence with flexible classification and the possibility of working up to 40% mobile
- Numerous training options on- and offline
- Discounts on 1&1 products and for various leisure activities
- In-house restaurant
- Free drinks and fresh fruit
- EGYM-Wellpass
Location
 | 1&1 | |
| 76137 Karlsruhe | ||
| Germany |
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