1&1 | Germany | 10xxx Berlin | Temporary contract | Full time / Home office | Published since: 16.02.2026 on stepstone.de
(Senior) Customer Sales Development Manager - Befristet (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. 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
In this role, you take over the holistic operational and strategic sales management of our outsourcing partner agencies and act as a central interface between internal stakeholders and external service providers. The aim is to increase sales performance in a sustainable manner while maintaining high service quality.
Development of ideas and concepts for the continuous optimization of the sales results of our external service providers Self-organizing and carrying out visits at our partners' locations including appropriate travel activities Identification of risk factors that may lead to an impairment of relevant key figures and derivation of appropriate measures Responsibility for sales management and consistent pursuit of ambitious achievement Analysis of conversation content to interpret customer requirements and close cooperation with colleagues, colleagues and project teams to derive successful actions and identify potentials
In the first weeks you will find a structured knowledge program with an intensive insight into our processes and structures. An experienced contact person as well as your team will support you.
You bring a balanced mix of sales passion, communication strength and team orientation. Your well-founded sales expertise and a solid personality with high self-responsibility are sought.
Completed commercial training and Class B licence Multiannual experience in the sales environment, ideally with reference to external partners Contact and communication strength as well as the ability to build trust quickly Proactive, solution-oriented approach to challenges Curiosity, self-confidence and sovereignty in dealing with new situations Very good expression in German in word and writing as well as safe handling forms Conflict Security and Moderation Competence Embossed readiness (approx. 3 days/week) Safe handling of presentation and moderation techniques
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 Free drinks and fresh fruit Jobrad grant
Location
 | 1&1 | |
| 10178 Berlin | ||
| Germany |
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