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I’m a Microsoft 365 systems and security-focused IT professional with hands-on experience supporting hosted Exchange, Teams, Entra ID, and endpoint/device management via InTune.

About

I’m a Microsoft 365 systems and security-focused IT professional with hands-on experience supporting hosted Exchange, Teams, Entra ID, and endpoint/device management via InTune. I help customers with day-to-day administration and advanced troubleshooting, including routing/switching topics, secure email workflows, and migration initiatives toward Microsoft 365 hosted environments.

Over the years, I’ve taken responsibility for implementing migration projects and providing second-level support on complex technical customer requests, while also improving documentation and concepts for cloud solutions. I enjoy turning structured requirements into reliable Microsoft Cloud operations, supporting users and administrators, and working with PowerShell and REST APIs to automate and validate services.

  • 7 years' experience
  • Joined September 2026

Languages

  • GermanFluent
  • EnglishIntermediate

Industry experience

  • Professional Services
  • Computers & Electronics
  • Software & Internet

Work experience

Microsoft 365 System Engineer / IT-Systemadministrator for Microsoft 365 · Quality Hosting AGAug 2023 – Present · 3 yrs 4 mos

Owned Microsoft 365 administration and engineering responsibilities, including hosted Exchange and Teams environments, second-level support for complex customer issues, and execution of migration projects toward Microsoft 365. Supported and administered Entra ID and Microsoft Teams telephone/telephony-related topics, and provided ongoing care for Microsoft 365 email security. Worked on device management concepts and implementations for company-owned devices through InTune, including technical concept creation and documentation. Used PowerShell and REST APIs as part of automation and administration tasks, and handled supporting tasks around routing and switching where required.

Microsoft 365 Administrator / IT-Systemadministrator · Pond Security Service GmbHJul 2022 – Jul 2023 · 1 yr 1 mo

Administered Microsoft 365 and related services, supporting hosted Exchange, Teams, Entra ID, and Hornetsecurity email security topics. Provided first-level support and helpdesk guidance, trained users, and supported administration of on-premises and cloud systems. Contributed to client and company device management (in particular InTune-based management) and worked with Microsoft 365 security and integration components such as migration tooling (e.g., BitTitan MigrationWiz).

IT System Administrator (Helpdesk / System Integration) · Pond Security Service GmbHOct 2015 – Mar 2019 · 3 yrs 6 mos

Worked in system integration and early support, handling helpdesk/level-1 guidance and assisting administration of both on-premises and cloud environments. Supported Exchange and security-related services, and contributed to device management via InTune. Participated in integration work and troubleshooting for Microsoft and network-related infrastructure topics during the training period.

Education

Degree (Computer Science/System Integration) · University degree / Fachinformatik for System Integration (Ausbildung)2015 – 2019

Certifications and awards

Microsoft 365 Administrator (M365) - MS-102: Microsoft 365 Administrator2019 – 2026
Microsoft 365 Administrator (M365) - MS-700: Teams & SharePoint2019 – 2026

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