02/24/2026 updated
RR
100 % available
Senior Cyber Security Engineer
Koleczkowo, Poland
Only remote
Master's Degree in Computer ScienceAbout me
Cyber Security Engineer | EDR Platform Lead | CrowdStrike & Microsoft Defender for Endpoint | Banking & Enterprise
Controles de AccesoActive DirectoryUnixCisco RoutersComputer SecurityLinuxIncident ResponseMicrosoft Exchange ServerInformation Technology Infrastructure Libraries (ITIL)Identity ManagementIT Service ManagementLinux AdministrationWindows ServersNetwork ArchitectureRouting
Endpoint Security Management
Expertise in CrowdStrike, Microsoft Defender for Endpoint, and Microsoft Intune for comprehensive endpoint protection and management
Identity and Access Management
Proficiency in CyberArk, Garancy IAM, Ivanti Endpoint Manager, and Ivanti Xtraction for secure access control and identity management
Network Infrastructure Administration
Skills in Active Directory, Microsoft Exchange, Windows Server, Cisco Routers, Cisco Call Manager, and Cisco Wireless technologies
Unix and Linux System Administration
Experience in Linux and Unix administration for enterprise environments
IT Service Management
Knowledge of ITIL frameworks and WinMagic SecureDoc for service delivery and security
Network Certification
CCNA Routing and Switching certification with focus on routing and switching essentials
EDR Platform Management
Experience in managing and developing EDR platforms for large-scale enterprise environments
Security Migration Projects
Leadership in security platform migrations and large-scale security operations
Expertise in CrowdStrike, Microsoft Defender for Endpoint, and Microsoft Intune for comprehensive endpoint protection and management
Identity and Access Management
Proficiency in CyberArk, Garancy IAM, Ivanti Endpoint Manager, and Ivanti Xtraction for secure access control and identity management
Network Infrastructure Administration
Skills in Active Directory, Microsoft Exchange, Windows Server, Cisco Routers, Cisco Call Manager, and Cisco Wireless technologies
Unix and Linux System Administration
Experience in Linux and Unix administration for enterprise environments
IT Service Management
Knowledge of ITIL frameworks and WinMagic SecureDoc for service delivery and security
Network Certification
CCNA Routing and Switching certification with focus on routing and switching essentials
EDR Platform Management
Experience in managing and developing EDR platforms for large-scale enterprise environments
Security Migration Projects
Leadership in security platform migrations and large-scale security operations
Experience
Professional experience5 - 10 years
Freelancer since2021
Languages
GermanFluentEnglishNative speakerPolishNative speaker
Project history
Managed and developed EDR platforms for one of the largest banks in the region. Led migration from CrowdStrike to Microsoft Defender for Endpoint during a major bank merger. Coordinated security and IT teams to ensure compliance and continuity. Implemented best practices for threat management and automation.
Managed Garancy IAM tool and access control for global operations.
Managed CyberArk, coordinated DataCenter operations, administered servers and certificates.