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September 23, 2026

Microsoft 365 Infrastructure & Cybersecurity Specialist

Senior • On-site

Lębork, Poland

Quick Facts

  • Focus: Microsoft 365 infrastructure administration and cyber security

Description

The role covers administration and development of a global Microsoft 365 environment, with a strong focus on identity, endpoint management, and security. You will support Microsoft Defender-based monitoring and incident analysis, while moving from day-to-day operations toward independently delivering infrastructure, cloud, and security projects. The position emphasizes practical application of Least Privilege, Zero Trust, and MFA.

Responsibilities

  • Administer and develop global Microsoft 365: Exchange Online, Microsoft Teams, SharePoint Online, OneDrive

  • Manage users, groups, and licenses; configure and maintain environment standards

  • Analyze and resolve Microsoft 365 service issues

  • Work with enterprise app registrations, MFA, Conditional Access, Identity Protection, and administrative roles/RBAC

  • Support B2B/external users, identity synchronization, authentication/access/device registration problems

  • Manage endpoints with Microsoft Intune: configuration profiles, compliance policies, endpoint security, app deployment

  • Handle Windows Autopilot, system/app updates, Windows device management

  • Investigate device registration and compliance issues

  • Perform security alert analysis and work with Microsoft Defender for Endpoint / Defender XDR

  • Support EDR processes and initial incident analysis; collaborate with an external Security Operations Center

  • Monitor global security, develop and enforce security policies

  • Participate in preparation and testing of Disaster Recovery Plans

  • Analyze risks and propose improvements

  • Participate in projects across multiple group companies, including new Microsoft rollouts, migrations, cloud projects, security enhancements, automation, standardization, and system integrations

Requirements

  • Practical experience administering Microsoft environments (or comparable scope)

  • Knowledge of Microsoft 365, Microsoft Entra ID, Microsoft Intune, Active Directory, Microsoft Defender, and the basics of Windows Server infrastructure, networking, and identity/endpoint security

  • Practical understanding of Least Privilege, Zero Trust, and MFA applied to technical solutions

  • Independence in issue analysis; ability to identify root cause and take ownership for changes

  • Ability to create technical documentation

  • Very good English

  • Willingness for continuous development

  • Driver’s license category B

Benefits

  • Opportunity to have a real impact on the development of the global IT environment through ownership of infrastructure and security areas

  • Path to independently leading infrastructure, cloud, and security projects over time

  • Work within an international IT team on global standardization, automation, and new technologies

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