1&1 | Germany | 56xxx Montabaur | Student job | Part time - flexible / Home office | Published since: 09.03.2026 on stepstone.de
Working Student - Controlling (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. Continue the 1&1 success story and secure our financial objectives with a broad economic perspective. Be part of 1&1. .
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Your tasks • Your profile • What we offer
Become part of our controlling team at the Montabaur site and get to know the Financial Carrier Controlling area. An open and motivated team awaits you with the following tasks:
Processing and Analysis of Controlling KPIs Support in the development of process improvements Creation, support and optimization of finance tools Support in the daily business and processing of Ad-Hoc inquiries Implementation of activities under the monthly and annual accounts
You are in business studies, ideally with a focus on controlling / finance or a comparable course of study. Furthermore, your qualifications include:
Very good MS Office knowledge, especially Microsoft Excel Accuracy and analytical thinking Self-employed and proactive work Very good conceptual skills Flowing German knowledge Flexibility to support us with 16-20 hours a week
Attractive salary Strong community of team players Confidential working time 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 offers In-house restaurant Free drinks and fresh fruit
Location
 | 1&1 | |
| 56410 Montabaur | ||
| Germany |
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