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NTT DATA Logo NTT DATA · IT - Software Development

Unified Communications & Collaboration Engineer

Romania, Brasov · Job Posted March 25, 2026
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Job Description

The Unified Communications & Collaboration Engineer will design, implement, and maintain enterprise communication solutions using Cisco CUCM and Audiocodes SBCs.

Job Responsibility

  • 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 across the voice environment, proactively identifying issues and performing root cause analysis to resolve incidents
  • Troubleshoot complex voice, SIP signaling, telephony routing, and connectivity issues across enterprise communication systems
  • Collaborate with internal infrastructure teams, collaboration teams, and external vendors to support deployments, upgrades, and service improvements
  • Ensure systems meet security, compliance, and operational standards, maintaining accurate technical documentation and operational procedures
  • Support system upgrades, configuration changes, and lifecycle management for voice and collaboration platforms
  • Provide technical guidance and mentoring to junior engineers within the unified communications team
  • Participate in on-call rotations and out-of-hours support for live streaming events and critical service incidents

Requirements

  • Bachelor’s degree in Information Technology, Telecommunications, Computer Science, or a related field, or equivalent professional experience
  • Minimum 3-5 years of experience in unified communications or voice engineering within enterprise environments
  • Strong hands-on expertise with Cisco CUCM administration, configuration, and troubleshooting
  • Experience working with Audiocodes SBCs (Mediant series) and OVOC management platform
  • Solid understanding of VoIP backbone architecture, SIP trunking, call routing, and PSTN integration
  • Hands-on experience provisioning and managing enterprise IP phones and ATA devices
  • Strong troubleshooting skills related to voice services, SIP signaling, telephony infrastructure, and call quality issues
  • Experience supporting enterprise-scale voice deployments and operational environments
  • Familiarity with automation or scripting (PowerShell desirable) for operational tasks and system administration
  • Excellent communication and collaboration skills, with the ability to work across technical teams and vendors
  • Excellent command of both spoken and written English and German

Nice to have

  • Cisco CCNP Collaboration certification is preferred
  • Audiocodes Certified Professional certification is desirable

What we offer

  • Smooth integration and a supportive mentor
  • Choose from Remote, Hybrid or Office work opportunities
  • Projects have different working hours to suit your needs
  • Sponsored certifications, trainings and top e-learning platforms
  • Private Health Insurance
  • Individual coaching sessions or accredited Coaching School
  • Epic parties or themed events
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