Unified Communications & Collaboration Engineer with German (Cisco)

Job description

Who we are NTT DATA is a leading global provider of infrastructure and platform services, partnering with some of the world’s most innovative technology vendors. We help organizations modernize their IT landscapes, increase operational efficiency, and enable sustainable business growth through reliable and scalable platforms. We’re looking for passionate, curious, and motivated individuals to join our team and work with clients to translate complex technology into real business value—driving transformation, resilience, and long-term success. What you'll be doing: - Design, implement, and maintain enterprise unified communications solutions based on Cisco CUCM (Cisco Unified Communications Manager). - Integrate and manage Audiocodes Session Border Controllers (SBCs) including Mediant series devices and OVOC (One Voice Operations Center) for monitoring and management. - Support and maintain the VoIP backbone infrastructure, ensuring reliable connectivity between on-premises telephony systems, SIP trunks, and PSTN services. - Provision, configure, and troubleshoot managed IP phones and ATA devices, ensuring seamless voice service for end users. - Monitor system health and performance...