Microsoft Exchange Online and On-Premises Engineer with German

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

• Administer and maintain Microsoft Exchange Online and on-premises Exchange Server environments to ensure secure, reliable, and high-performing email services.
• Manage mail flow, transport rules, and messaging security, ensuring compliance with organizational policies and regulatory requirements.
• Monitor system health, performance, and service availability, proactively identifying and resolving issues to maintain optimal operations.
• Troubleshoot and resolve email-related incidents and service disruptions, including mailbox access, delivery failures, and client connectivity issues.
• Plan and execute Exchange migrations, upgrades, and hybrid deployments between on-premises and Microsoft 365 environments.
• Implement and maintain email security, compliance policies, and retention rules in line with enterprise governance standards.
• Automate administrative tasks and operational processes using PowerShell scripting.
• Integrate and manage Exchange services with Active Directory and Azure AD, ensuring accurate identity and access management.
• Maintain detailed documentation of configurations, procedures, and system changes to support operational transparency and knowledge sharing.
• Collaborate with internal IT teams and vendors to support messaging infrastructure improvements and incident resolution.
• Participate in on-call rotations and out-of-hours support for live streaming events and critical service incidents.

What you'll bring along

• Bachelor’s degree in Information Technology, Computer Science, or a related field, or equivalent professional experience.
• Minimum 3-5 years of experience managing Microsoft Exchange environments, including Exchange Online and on-premises Exchange Server.
• Strong expertise in Exchange Online administration, Exchange Server management, and hybrid Exchange deployments.
• Hands-on experience with Exchange migrations, upgrades, and tenant integrations.
• Solid understanding of email security, compliance, mail flow management, and messaging policies.
• Proficiency in PowerShell scripting for automation and system administration.
• Experience integrating Exchange services with Active Directory and Azure AD.
• Strong analytical and troubleshooting skills with the ability to diagnose and resolve complex messaging issues.
• Microsoft Certified: Exchange Online Administrator Associate or similar certification is preferred.
• Strong communication skills and the ability to work with both technical and non-technical stakeholders.
• Excellent command of both spoken and written English and German.