Join NTT DATA and contribute to our mission of accelerating client success through innovative technology solutions. We are seeking a seasoned Messaging Services Senior Specialist with expertise in Enterprise Voice Administration to manage and enhance our voice communication systems.

This role is pivotal in ensuring the reliability and efficiency of our enterprise voice services, particularly within the Microsoft Teams ecosystem. You will be instrumental in leveraging advanced technical skills to support complex voice solutions and drive operational excellence.

As a key member of our team, you will uphold NTT DATA's commitment to fostering an inclusive, adaptable, and forward-thinking environment. Your contributions will directly impact our ability to deliver exceptional service and positively influence society.

Administer and support enterprise voice services across Microsoft Teams Phone and associated telephony platforms. This includes managing calling policies, voice routing, Direct Routing, Operator Connect, calling plans, and emergency calling protocols.

Oversee phone number assignments and user voice enablement, ensuring seamless communication. Monitor call quality, analyze call logs using advanced diagnostics like CQD and Call Analytics, and troubleshoot voice and video issues.

Manage the Microsoft Teams Admin Center, including org-wide settings, federation, and team upgrade policies. Design and implement Teams messaging, meetings, and app policies, alongside configuring voice, conferencing bridges, and dial plans.

Automate routine tasks and perform advanced configurations using Teams PowerShell modules. Collaborate with Microsoft support for tenant-level issues and support migrations, lifecycle management, and continuous improvement initiatives.

A Bachelor's degree in Computer Science, Engineering, or a related field, coupled with a minimum of 8 years of experience in enterprise voice technology administration and support.

Possess strong knowledge of M365 services, specifically Microsoft Teams collaboration and Microsoft Teams Phone, along with related telephony platforms.

Demonstrate exceptional customer service, problem-solving, and communication skills. The ability to work independently with minimal supervision and collaborate effectively within a global engineering team is essential.

Must be highly adaptable, committed to continuous learning, and proficient in organizational and documentation skills. Flexibility to work in shifts supporting 24x7 operations is required.