1&1 | Germany | 40xxx Düsseldorf | Permanent position | Full time / Home office | Published since: 12.01.2026 on stepstone.de
(Senior) Business Controller (m/f/d)
1&1 is one of the leading telecommunications providers in Germany with over 3,200 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 50,000 km long 1&1 fiber optic network and regional networks, we create Germany's most extensive fibre 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
Are you a pay-affin, think economically and have fun in creating sound basis for your analysis? Then strengthen our 5G controlling team and introduce your expertise in reporting and business cases. We offer you an exciting task with direct influence on strategic decisions. These are your tasks: Creating and preparing economic analysis. You evaluate planned investments and assess their profitability, in particular within the framework of the 5G network expansion Develop reporting - you design and optimize our controlling and control instruments to create a more precise basis for decision Monitoring cost management. You will keep CapEx and OpEx costs in mind and ensure that budgets are properly planned and maintained Being an interface between teams - you work closely with management, finance and other business areas and support the economic management of projects
A completed study of economics, industrial engineering or a comparable qualification with relevant experience in controlling Proof multiannual experience in controlling large-scale technical projects, ideally in the telecommunications industry Strong analytical skills and a good sense of economic relationships Joy in optimizing processes and developing new control approaches Communication strength, initiative and proactive operation
- 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
- Jobrad grant
Location
 | 1&1 | |
| 40457 Düsseldorf | ||
| Germany |
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