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Microsoft Security Engineer

EY

Athens, Athens, Greece Full-time May 28, 2026
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Vacancy Description

The opportunity

We are looking for a Microsoft Security Engineer with strong experience across the Microsoft 365 and Microsoft Security ecosystem, focusing primarily on Microsoft Defender and Microsoft Purview.

Your key responsibilities


Design, implement, and optimize Microsoft Defender solutions, including:

  • Defender for Endpoint

  • Defender for Office 365

  • Defender for Identity

  • Defender for Cloud
  • Implement and manage Microsoft Purview capabilities:

  • Information Protection / Sensitivity Labeling

  • Data Loss Prevention (DLP) across Microsoft 365 workloads
  • Define and enforce security policies across:

  • Exchange Online

  • SharePoint Online

  • OneDrive

  • Microsoft Teams
  • Participate in security assessments, hardening activities, and compliance initiatives


    Collaborate with IT, Cloud, and Identity teams to deliver end‑to‑...

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