Senior Service Engineer (Voice/UCC) | Service Engineer (Expert) (m/w/d)

Vodafone GmbH

Eschborn, Taunus, Hessen, Deutschland
Published Apr 9, 2026
Full-time
Permanent

Job Summary

As a Senior Service Engineer at Vodafone, you will take end-to-end responsibility for business services provided to high-profile public sector clients, focusing on Voice and Unified Communications and Collaboration (UCC). Your daily tasks involve acting as the service concept owner, managing technical documentation across the plan, build, and run phases, and ensuring high service availability through proactive problem management. You will perform second-level support, configure SIP trunks and voice gateways, and analyze complex customer requirements to ensure technical feasibility. This role is highly collaborative, requiring you to steer external service providers and coordinate with internal stakeholders in sales and engineering. It is an ideal position for a technical expert who enjoys a mix of hands-on troubleshooting and strategic service management within a dynamic, hybrid-working environment. The role offers the chance to work with cutting-edge telecommunications technology while ensuring the stability of critical infrastructure for major public institutions.

Required Skills

Education

Completed technical degree in Communications Engineering, Electronics, Computer Science, or a comparable vocational qualification with several years of professional experience.

Experience

  • Minimum 4 years of professional experience in telecommunications or service engineering
  • Professional experience in operating and configuring SIP-Trunks, Voice Gateways, and UCC solutions
  • Proven experience in project management and presentation techniques
  • Extensive experience with signaling protocols and call-flow analysis for troubleshooting
  • Experience in defining and tracking Service Level Agreements and KPIs

Languages

German (Fluent)English (Fluent)

Additional

  • Willingness to undergo security clearance (Verschlusssachen) and reliability checks; willingness to participate in on-call rotations; location restricted to Düsseldorf or Eschborn; eligibility for German public sector project work required.