Level 3 Unified Communications & Collaboration Engineer

NTT DATA, Inc.; Remote; GBP 60,000 - 80,000; Full time

Job summary

A leading technology firm is looking for a Level 3 Unified Communications & Collaboration Engineer specializing in Cisco technology. This remote role in the United Kingdom requires at least 7 years of experience in voice engineering, including expertise in Cisco CUCM and Audiocodes SBCs. Responsibilities include designing, implementing, and supporting enterprise voice solutions while mentoring junior staff. Ideal candidates will possess strong troubleshooting skills and CCNP Collaboration certification.

Qualifications

• 7+ years in unified communications or voice engineering roles.
• Experience with enterprise-scale deployments and troubleshooting.
• Proven experience with Cisco CUCM and Audiocodes SBCs.
• Strong understanding of VoIP network architecture.

Responsibilities

• Design and maintain Cisco CUCM voice solutions.
• Manage the VoIP backbone and ensure connectivity.
• Troubleshoot managed phones and VoIP devices.
• Mentor junior team members and maintain documentation.

Skills

Cisco CUCM

Audiocodes SBCs

VoIP backbone

SIP trunking

Troubleshooting

Communication skills

Education

Cisco CCNP Collaboration

Audiocodes Certified Professional

Tools

Cisco CUCM

Audiocodes SBC

PowerShell

Job description

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Level 3 Unified Communications & Collaboration Engineer - Cisco

Date: Jan 27, 2026

Location: Remote, B, RO

Company: NTT DATA Services

NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward‑thinking organization, apply now.

We are currently seeking a Level 3 Unified Communications & Collaboration Engineer - Cisco to join our team in Remote, București (RO‑B), Romania (RO).

Role Summary
Responsible for the design, implementation, and support of enterprise voice and collaboration solutions, focusing Cisco CUCM, Audiocodes SBC (including OVOC), VoIP backbone, managed phones, and ATA devices. Ensures high availability, security, and optimal performance of unified communications services.

• Design, deploy, and maintain Cisco CUCM voice solutions, including integration with Audiocodes SBCs and OVOC management.
• Manage and support the VoIP backbone, ensuring seamless connectivity between on‑premises and cloud telephony systems.
• Provision, configure, and troubleshoot managed phones and ATA devices.
• Monitor system health, conduct root cause analysis, and resolve incidents.
• Collaborate with internal Teams and vendors.
• Maintain documentation and ensure compliance.
• Mentor junior team members.

Knowledge Skills & Attributes

• Proven experience Cisco CUCM, Audiocodes SBCs (Mediant series), and OVOC.
• Strong understanding of VoIP backbone architecture, SIP trunking, and PSTN integration.
• Experience with managed phones and ATA devices.
• Excellent troubleshooting and communication skills.

Academic Qualifications & Certifications

• Cisco CCNP Collaboration (preferred)
• Audiocodes Certified Professional (desirable)

Required Experience

• 7+ years in unified communications or voice engineering roles.
• Experience with enterprise‑scale deployments and troubleshooting.

Technical Expertise

• Cisco CUCM
• Audiocodes SBCs & OVOC
• VoIP backbone
• Managed phones & ATA devices
• Scripting (PowerShell desirable)

About NTT DATA

NTT DATA is a $30 billion business and technology services leader, serving 75% of the Fortune Global 100. We are committed to accelerating client success and positively impacting society through responsible innovation. We are one of the world's leading AI and digital infrastructure providers, with unmatched capabilities in enterprise‑scale AI, cloud, security, connectivity, data centers and application services. our consulting and Industry solutions help organizations and society move confidently and sustainably into the digital future. As a Global Top Employer, we have experts in more than 50 countries. We also offer clients access to a robust ecosystem of innovation centers as well as established and start‑up partners.NTT DATA is a part of NTT Group, which invests over $3 billion each year in R&D.

NTT DATA endeavors to make https://us.nttdata.com accessible to any and all users. If you would like to contact us regarding the accessibility of our website or need assistance completing the application process, please contact us at https://us.nttdata.com/en/contact-us . This contact information is for accommodation requests only and cannot be used to inquire about the status of applications. NTT DATA is an equal opportunity employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status. For our EEO Policy Statement, please click here . If you'd like more information on your EEO rights under the law, please click here . For Pay Transparency information, please click here .

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