1&1 | Germany | 40xxx Düsseldorf | Permanent position | Full time / Home office | Published since: 10.02.2026 on stepstone.de
Product Owner - Mobile Services (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. Be part of 1&1. .
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Your tasks • Your profile • What we offer
The Product Owner for Mobile Services is responsible for defining, evolving, and steering 1&1's mobile service portfolio spanning traditional capabilities (voice, messaging, data services) and next‐generation API‐based offerings, programmable network features and value-added services. The role ensures that mobile services remain competitive, standards‐aligned, scalable, and ready to support modern digital and enterprise use cases. The candidate close follows GSMA, ETSI, 3GPP, and O‐RAN standards and consolidates inputs from Engineering, IT, Architecture, and standards working groups to drive a future-proof service roadmap.
Mobile Services Portfolio Ownership Standards Monitoring & Alignment Requirements Gathering & End‐to-End Ownership Vendor and Product Lifecycle Leadership Market Intelligence & Competitive Insights Cross-Functional Collaboration Service Quality, Governance & Compliance
Bachelor's or Master's degree in Telecommunications, Engineering, Computer Science, or related fields. 5+ years of experience in product ownership, mobile services, or technical product management. Strong understanding of GSMA, 3GPP, ETSI, O‐RAN standards. Experience with mobile service platforms, API lifecycle management, and network/service integration. Strong communication, analytical skills, and cross‐functional capabilities coordination. Demonstrated experience leading vendor evaluations and prevention.
- 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
Location
 | 1&1 | |
| 40457 Düsseldorf | ||
| Germany |
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