1&1 Drillisch AG
Product Owner - Mobile Services (Düsseldorf)
HybridSeniorDüsseldorf, GermanyPlatformInfrastructure
Our Take
Build and evolve 1&1's mobile service portfolio for millions of customers.
What you’ll do
- Define and evolve mobile service portfolio
- Monitor and align with industry standards
- Gather requirements and own end-to-end
- Lead vendor and product lifecycle
- Drive future-proof service roadmap
- Collaborate cross-functionally
What they’re looking for
- 5+ years in product ownership or mobile services
- Strong understanding of GSMA, 3GPP, ETSI, O-RAN
- Experience with mobile service platforms
- API lifecycle management experience
- Cross-functional coordination skills
What you get
- Attractive salary
- Flexible scheduling
- Up to 40% remote work
- Training opportunities
- Product discounts
- Free drinks and fruit
- Job-bike subsidy
Skills & Focus Areas
- product ownership
- mobile services
- API lifecycle management
- GSMA
- 3GPP
- ETSI
- O-RAN
- telecommunications
As posted by 1&1 Drillisch AG
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.
These are your tasks
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 closely 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
Your skills
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Bachelor’s or Master’s degree in Telecommunications, Engineering, Computer Science, or related fields.
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5+ years of experience in product ownership, mobile services, or technical product management.
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Strong understanding of GSMA, 3GPP, ETSI, O‑RAN standards.
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Experience with mobile service platforms, API lifecycle management, and network/service integration.
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Strong communication, analytical skills, and cross‑functional coordination capabilities.
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Demonstrated experience leading vendor evaluations and negotiations.
Our benefits
• 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