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September 23, 2026
Microsoft 365 Infrastructure & Cybersecurity Specialist
Senior • On-site
Lębork, Poland
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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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