Operator Connect Voice Engineer (f/m/d)
Apply now »Date: Jan 8, 2026
Location: Frankfurt/Main, HE, DE
Company: NTT DATA Services
Req ID: 349650
Competitive salary | Germany: on client site (Frankfurt/Main)
At NTT DATA, we know that with the right people on board, anything is possible. The quality, integrity, and commitment of our employees are key factors in our company’s growth, market presence and our ability to help our clients stay a step ahead of the competition. By hiring the best people and helping them grow both professionally and personally, we ensure a bright future for NTT DATA and for the people who work here.
NTT DATA is currently looking for an Operator Connect Voice Engineer (f/m/d) on site in Frankfurt/Main at our large global Banking client for our growing team in Germany.
Responsibilities
- Design, implementation, configuration and support of voice communication using Microsoft Operator Connect
- Ensure security and compliance in voice communications, including encryption, identity management, and regulatory requirements
- Participate in the migration from Avaya to MS Teams by leveraging your Microsoft Operator Connect skills
- Participate in Due Diligence, Requirement & Design phase
- Voice deployments (SBCs, SIP, QoS, NAT, firewalls and network monitoring)
- Integrate Microsoft Operator Connect with third-party telephony systems and legacy PBXs
Skills
- Several years of experience and in-depth knowledge of Microsoft Operator Connect
- Microsoft Teams Voice and Telephony expertise
- Networking concepts relevant to voice deployments (SBCs, SIP, QoS, NAT, firewalls, and network monitoring).
- Experience integrating Operator Connect with third-party telephony systems and legacy PBXs
- Ideally fluent in both German and English language
Location
Fulltime on site (Monday-Friday) at our large global Banking client in Frankfurt/Main.
Benefits
Our people are the most critical component of our long-term success and their health and wellbeing are our priority. You will enjoy a comprehensive, locally competitive benefits package.
About NTT DATA
NTT DATA is a $30+ billion trusted global innovator of business and technology services. We serve 75% of the Fortune Global 100 and are committed to helping clients innovate, optimize and transform for long-term success. We invest over $3.6 billion each year in R&D to help organizations and society move confidently and sustainably into the digital future. As a Global Top Employer, we have diverse experts in more than 50 countries and a robust partner ecosystem of established and start-up companies. Our services include business and technology consulting, data and artificial intelligence, industry solutions, as well as the development, implementation and management of applications, infrastructure, and connectivity. We are also one of the leading providers of digital and AI infrastructure in the world. NTT DATA is part of NTT Group and headquartered in Tokyo. Visit us at us.nttdata.com.
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