1&1 | Germany | 56xxx Montabaur | Permanent position | Full time / Home office | Published since: 02.02.2026 on stepstone.de
Senior Performance Manager / Senior 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. Our customers are at the heart of our thinking and action. For them we create solutions and values that inspire. Continue the 1&1 success story. Innovative, reliable, passionate and personal experience! Be part of 1&1. .
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Your tasks • Your profile • What we offer
Excellent customer experiences do not happen by chance - You are the result of clear control and sound decisions. As Senior Performance Manager (w/m/d) in Business Performance Management, you play a key role in the economic management of customer operations. With analytic precision, entrepreneurial vision and a strong understanding of key figures, you are driving performance, efficiency and sustainable success. Your tasks in detail:
Close cooperation with the departments in the Customer Operations Management Board as a strategic business partner - always with a clear focus on excellent customer experiences, efficiency and cost awareness as well as responsibility for your own service area Active design of budget and forecast processes (OPEX & CAPEX) and thus direct influence on the economic management of the responsibility area Regular creation of meaningful, weekly OPEX budget forecasts to create transparency Critical analysis and sound interpretation of monthly and annual accounts based on plan-actual comparisons - as a reliable basis for management decisions A holistic view of your own responsibility with the aim of identifying optimization potentials and deriving concrete improvement impulses Conduct targeted ad hoc analyses that structure complex issues and support decision-making processes at the board level Active further development and optimization of modern controlling instruments in order to improve control processes sustainably and to set up future-oriented
Successfully completed studies of the business economy, economy, economics or a comparable qualification Multiannual professional experience in a similar position, ideal for customer care, finance or controlling Experience in telecommunications Extensive understanding of figures as well as the ability to develop and present complex relationships in a structured manner Basic technical understanding of typical customer care processes in the telecommunications environment desirable Proactive, structured functioning as well as high process and economic competence in its own responsibility Communication at eye level with internal stakeholders and consistent driving of topics up to implementation Very good MS Office knowledge, especially in MS Excel Very good German knowledge
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 Jobrad grant
Location
![]() | 1&1 | |
| 56410 Montabaur | ||
| Germany |
The text of this ad was translated from German into English using an automatic translation system and may contain semantic and lexical errors. Therefore, it should be used for introductory purposes only. For more detailed information, see the original text of the ad at the link below.
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