Experience

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  Rtm development

  Dec 2007 - Dec 2008

  System administrator
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  Radinko

  Feb 2009 - Jan 2010

  System administrator
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  Interregional asset management company

  Jun 2010 - May 2012

  Lead system administrator
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  Mail.ru group

  May 2012 - Jun 2017

  Lead system administrator

  Leading specialist in the following areas - ● Identity and access management o Management of Active Directory services (AD DS, AD CA), implementation of changes for effective management of access rights to AD objects and configurations of their corresponding resources o Management of access rights to IT services, implementation of the RBAC model o Participation in the management of the processes of hiring and dismissal of employees, automation and creation of the necessary tools ● Security management o Centralized management of security settings for workstations and servers using AD DS group policies, implementation of Security Technical Implementation Guides (STIG) recommendations o Implementation of MFA for privileged accounts, creation of infrastructure for authorization of access to the network of any user o Servers security hardening, patch management, incident investigation ● Infrastructure management o File resource management (total size of tens of terabytes, growth 5 times in 3 years), creation of a fault-tolerant infrastructure of dozens of servers with partial versioning support o Mail system management (Microsoft Exchange, Office Web Apps), developer consultations and test mail environment support o Support for an ever-expanding environment, infrastructure scaling, service migration and integration including Mirabilis company infrastructure migration Show less

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  Acumatica

  Apr 2018 - now

  Senior it architect