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Service Owner:in Teams Communication Systems

Hannover, DE💼 Full-time🗓 2026-01-28 → 2026-09-26

Core

Strategic end-to-end ownership of the Teams Communication Systems service, driving the transformation from on-premises to a cloud-oriented architecture for Enterprise Voice and Unified Communications.

Role type

Senior Service Owner / Strategy & Operations Lead

Builds

Cloud-based collaboration and voice services (Teams Phone/Voice, Teams Rooms) and a standardized, scalable service portfolio for the entire organization.

Domain

Enterprise Communications, Unified Communications (UC), Cloud Migration, Microsoft Teams

Deliverable

production ML models | product features | dashboards & analysis | infrastructure

Required skills

Strategic roadmap planning, cloud architecture design, stakeholder management, provider/carrier management, cost and license model optimization, service governance, KPI definition and monitoring, continuous improvement, 24/7 on-call readiness

Preferred skills

Microsoft certifications (M365/Teams), experience with on-prem to hybrid/cloud transformations, knowledge of compliance and regulatory requirements (GDPR, KRITIS/NIS), experience with tendering and procurement processes

Technologies

Microsoft Teams, Teams Phone/Voice, Teams Rooms, Cloud platforms, Carrier networks

Responsibilities

Define vision and roadmap for the communication service, design target architecture for Enterprise Voice and UC, build a standardized service portfolio, ensure service availability and quality through data-driven monitoring, manage external providers and carriers, translate requirements into decisions and resolve conflicts, maintain stability during transformation

Seniority

Senior, hands-on IC with strategic oversight

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