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My name is Cristian Calinescu a Microsoft certified Azure Solutions Architect Expert, Senior Infrastructure Engineer and Infrastructure Security Operations Manager.
My areas of expertise are:
-Microsoft Windows Server 2008 R2, 2012 R2, 2016, 2019
-Microsoft Active Directory, Azure Active Directory
-Microsoft Exchange (2003 - 2019)
-Virtualization (Hyper-V, VMWare)
-Linux OS
-Azure
-Skype for Business ( Lync unified messaging)
-SCCM: SCOM and SCVMM
- Powershell (including scripting)
-Bash
- Cyber Security
- Security tools (cloud based or on-premises)
I've been involved in various maintenance and/or implementation projects based on technologies mentioned above. I have also participated to network design and implementations projects as well as assisting customers migrating to the latest technologies.
I am certified on the following technologies:
- Microsoft Technology Associate: Windows Operating System Fundamentals
- Microsoft Technology Associate: Networking Fundamentals
- Microsoft Technology Associate: Windows Server® Administration Fundamentals
- Microsoft® Certified Solutions Associate: Windows 8 (MCSA)
- Microsoft® Certified Solutions Associate: Windows Server 2012 R2 / 2016 (MCSA)
- Server Virtualization with Windows Server Hyper-V and System Center (MCSA)
- Microsoft® Certified Solutions Expert: Cloud Platform and Infrastructure (MCSE)
- Comptia Security +
- Microsoft Cyber Security Professional
- Certified Ethical Hacker (CEH v10)
- Micrsosoft Certified Azure Solutions Architect Expert 
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