10/22/2026 updated
100 % available
Senior Microsoft 365 & Security Engineer | OSCP
Budapest, Hungary
Worldwide
BA Computer Science About me
Senior IT Infrastructure & Security Engineer with 18 years of experience, including 10 years at Morgan Stanley in enterprise Microsoft environments. OSC, MCSE and MCSA certifications. I specialize in troubleshooting, securing, and improving Microsoft infrastructure.
Cloud ComputingPython (Programming Language)Kali LinuxMicrosoft Office SharePoint ServerWindows PowerShellAzure Active DirectoryMicrosoft Onedrive
My areas of expertise:
Microsoft 365, Exchange Online, SharePoint Online, OneDrive
Active Directory, Windows Server, Group Policy, DNS
Microsoft Entra ID, identity and access management
Microsoft 365 security assessments and hardening
Infrastructure vulnerability assessments and penetration testing
Troubleshooting complex enterprise infrastructure issues
What I can help you with:
Fixing Microsoft 365 and Exchange Online issues
Resolving Active Directory and Windows Server problems
Reviewing security configurations and identifying weaknesses
Performing authorized penetration tests and security assessments
Providing practical remediation recommendations
I am comfortable working independently in complex enterprise environments and delivering clear, actionable results.
Available for remote troubleshooting, security assessments, and fixed-scope projects, including evening and weekend work.
Experience
Professional experience10+ years
Freelancer since2026
Languages
EnglishFluent
Certificates
OSCP
Offsec2025
MCSE SharePoint
Microsoft2019
MCSE Exchange
Microsoft2016