Commercial Strategy Manager (m/w/d)

1&1 gehört mit über 3.100 Mitarbeitenden und fast 16 Millionen Kundenverträgen zu den führenden Telekommunikationsanbietern in Deutschland. Mit Pioniergeist, ungewöhnlichen Ideen und kreativen Teams haben wir eine führende Marktstellung im Mobilfunk und bei Breitband-Anschlüssen erobert. Durch die Kombination des über 67.000 km langen 1&1 Glasfasernetzes und regionalen Netzen schaffen wir das weitreichendste Glasfasernetz Deutschlands. Außerdem bauen wir das modernste 5G-Netz Europas, auf der Basis der neuartigen Open-RAN-Technologie. Mit offenen Schnittstellen und 5G-Funktionen in einer leistungsfähigen Cloud-Infrastruktur. Schreiben Sie die 1&1 Erfolgsgeschichte fort. Werden Sie Teil von 1&1.

We are looking for a highly analytical professional to join our commercial team in the telecommunications sector. This role sits at the intersection of business planning, commercial strategy, and technology, supporting data-driven decision-making through robust commercial models and insightful analysis.

• Develop, maintain, and continuously improve commercial models to support pricing, business cases, and strategic initiatives
• Perform quantitative and qualitative analyses to evaluate new products, partnerships, technologies, and market opportunities
• Translate complex data into clear insights and recommendations for senior stakeholders
• Support forecasting, scenario analysis, and performance tracking across commercial initiatives
• Collaborate with technical, finance, and strategy teams to bridge commercial and technical perspectives
• Proactively explore new topics and domains within telecom, demonstrating a strong willingness to learn and adapt

• Bachelors and/or Masters degree from recognized university in Management, Engineering, Communications, Economics, or relevant departments.
• Strong aptitude for analysis and modelling, with a proven ability to work confidently with complex spreadsheets and structured datasets
• Excellent command of Excel (e.g., scenario modelling, data logic, and well-structured models); experience with additional analytical tools is a plus
• A structured and detail-oriented thinker who can also see the bigger picture
• Eager to learn, intellectually curious, and comfortable stepping into unfamiliar topics
• Demonstrates an entrepreneurial mentality: takes ownership, challenges assumptions, and seeks practical solutions
• Comfortable working in dynamic, sometimes ambiguous environments

* Attractive salary
* Strong community of team players
* Trusted working hours with flexible scheduling and the possibility of working mobile up to 40%
* Numerous further training opportunities online and offline
* Discounts on 1&1 products and various leisure activities
* Free drinks and fresh fruit
* Job-bike subsidy