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Als börsennotiertes Unternehmen mit rund 15 Millionen Kundenverträgen und 3.200 Mitarbeitenden zählt die 1&1 AG zu den führenden Telekommunikationsanbietern in Deutschland. 1&1 steht für innovative Mobilfunk- und Breitbandprodukte - zuverlässig, preisführend und mit vielfach ausgezeichnetem Kundenservice. Nun beginnt 1&1 das nächste Kapitel seiner Unternehmensgeschichte. Mit der erfolgreichen Teilnahme an der 5G-Frequenzauktion haben wir den Grundstein für ein leistungsstarkes Mobilfunknetz gelegt. Ziel ist es, das modernste 5G-Netz Deutschlands zu bauen. Sie wollen gemeinsam mit uns am Puls der Zeit innovative Kommunikationsdienste und technische Services vorantreiben? Dann gestalten Sie Ihre Karriere bei uns.
#PROMOTE-SECOND
- Responsible for subscriber data management architecture in 1&1
- Drive roadmap of subscriber management with the vendor
- Optimize resiliency and stability of the subscriber data management systems in 1&1
- Support product management in the development of end customer products and ensure the solution design fits to the demand
- Verify the planning and dimensioning subscriber management systems
- Steer core network vendor and solution integrator
- At least 3-5 years experience in mobile core network engineering
- Deep understanding of mobile core network technologies, particularly subscriber management
- Optimally to have experience with cloud native technologies
- Solution oriented work style
- Team player with good communication skills
- Very good English language skills - German is a plus
- 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
#PROMOTE-SECOND
Key Skills
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das
cloud native
cloud
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- Posted
- Sep 01, 2025
- Type
- Full-time
- Level
- Mid-Senior
- Location
- Düsseldorf
- Company
- TieTalent
Industries
Technology
Information
Internet
Categories
Information Technology
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