Experience

adjarabet.am

• Armenia
• Gambling Facilities and Casinos
• 1 - 100 Employee

• Infrastructure Engineer

  • Sep 2022 - Present



Kinolift.ru

• Moscow, Moscow City, Russia

• Linux Specialist

  • Feb 2020 - Present

  Implemented monitoring (zabbix based) system that allow to reduce downtime to less than 1% Implemented outer monitoring system that allowed to have warning if first system was down because of datacenter Made new email server complied with google email guidelines (DMARC, DCIM, etc) Implemented auto certificate renewal through let`s encypt Implemented some DDOS protection server side Implemented and tweaked Cloudflare DDOS protection Implemented automatic log analyzing tools that allowed developers to catch bugs Nginx tweaking to score more on googlespeed test, and also security tweaks Put some part of project in containers (docker) for future CI/CD pipeline Added many optimization scripts to do less manual work And many other things that devs asked to do) Show less



Fortis Hotel Dubrovka

• Moscow, Moscow City, Russia

• System Administrator

  • Aug 2016 - Present

  Solo network, servers and help desk support for company. Including Build network (including protected VPN, mesh WIFI, segmentation) from scratch Build multi server (Windows Server|Centos) system for corporate needs. Make ISP channels reservation and balancing. Implemented work time registration system Solo network, servers and help desk support for company. Including Build network (including protected VPN, mesh WIFI, segmentation) from scratch Build multi server (Windows Server|Centos) system for corporate needs. Make ISP channels reservation and balancing. Implemented work time registration system



Рига Девелопмент Групп

• Moscow, Moscow City, Russia

• System Administrator

  • Jan 2014 - Present

  Solo network, servers and help desk support for the company. Including Build networks (including protected VPN, mesh WIFI) from scratch in at least two offices Implemented in office accounting server that allow company to cut down spending on accounting by 57% Renegotiated ISP deal to cut spending by 25% Implemented company wide IP-telephony allowing to cut telephone bills by 80% Implemented and taught staff how to use g-guite increasing security and in-company communication Show less



ChronoPay

• Netherlands
• Technology, Information and Internet
• 1 - 100 Employee

• System Administrator

  • Dec 2021 - Apr 2022

  Preparing infrastructure to pass PCI-DSS , optimizing, upgrading and supporting IT infrastructure for 24\7 work without downtime. Upgraded soft side of linux server infrastructure to meet PCI DSS requirements. Including Upgrading kernel on a fly without notisible downtime Implemented self-written scripts to protect customers data-security Enabled nginx and naxsi security policy Reconfigured all servers nginx ssl policy to surpass PCI requirements Updating backend soft to meet PCI requirements without notisible downtime Implemented OSSEC security based on Wazuh system Complete rework of server-firewall policy Reinstated backups under PCI-DSS guidelines Database and RDBMS performance and security tuning Hardening of linux servers Out of the scope of PCI-DSS Implemented protected end-to-end encrypted company-wide messaging system Day to day servers and customers support Hardware maintenance on HP blade servers Rework of notification and triggers on monitoring system Rework of mail security and mail certificate policies Made internal company cloud file-storage based on owncloud Show less



Gesten hotel

• Moscow

• System Integrator

  • Jun 2020 - Aug 2020

  Build network (including protected VPN, mesh WIFI, segmentation, auto-guest wifi password generation, router protection, and auto-update) from scratch Build and setup Asterisk based IP-telephony for hotel Setup internal accounting server with cloud backups and auto-updates Build network (including protected VPN, mesh WIFI, segmentation, auto-guest wifi password generation, router protection, and auto-update) from scratch Build and setup Asterisk based IP-telephony for hotel Setup internal accounting server with cloud backups and auto-updates



URAIT

• Russian Federation
• Book and Periodical Publishing
• 1 - 100 Employee

• Linux Specialist

  • Dec 2017 - May 2019

  Maintaining optimizing and upgrading multi server web project. Implementing monitoring system (Zabbix-based). Protecting from DDOS, and implementing DDOS protection. Implementing fast backup system (script based). Implementing log server system with analytics. Maintaining optimizing and upgrading multi server web project. Implementing monitoring system (Zabbix-based). Protecting from DDOS, and implementing DDOS protection. Implementing fast backup system (script based). Implementing log server system with analytics.



Completo Marketing Group - Completo

• Russian Federation
• Advertising Services
• 1 - 100 Employee

• System Administrator

  • Jun 2017 - May 2018

  Solo network, servers and help desk support for the company. Including Complete rework and then rebuild network (including protected VPN, mesh WIFI, segmentation) Set up inter company chat (matermost) and integrated with task manager (jira) Moved Jira server from cloud to stand-alone server Integrated company IP-telephony (asterisk) to CRM`s Building up new and upgrading existing servers and desktop PC`s Solo network, servers and help desk support for the company. Including Complete rework and then rebuild network (including protected VPN, mesh WIFI, segmentation) Set up inter company chat (matermost) and integrated with task manager (jira) Moved Jira server from cloud to stand-alone server Integrated company IP-telephony (asterisk) to CRM`s Building up new and upgrading existing servers and desktop PC`s



Bringo

• Technology, Information and Internet
• 1 - 100 Employee

• System Administrator

  • Aug 2013 - Jul 2016

  Building network and IT infrastructure for project. Servers (linux|windows), call-center (asterisk based) and all other stuff Building network and IT infrastructure for project. Servers (linux|windows), call-center (asterisk based) and all other stuff



ООО «ТехноСтройПроект»

• Moscow, Moscow City, Russia

• System Administrator

  • Feb 2011 - Jul 2014

  Constructing and supporting network, upgrading and repairing PC`s, supporting office staff at the IT task. Antivirus and security protection of network and PC`s. Constructing and supporting network, upgrading and repairing PC`s, supporting office staff at the IT task. Antivirus and security protection of network and PC`s.



ООО "Промбурвод"

• Moscow, Moscow City, Russia

• System Administrator

  • Sep 2008 - May 2013

  Structuring and expanding network, implementing reserve ISP chancel for office, with zero switch time. Implementing Linux servers for company needs. Upgrading and repairing PC`s, supporting office staff at the IT task. Structuring and expanding network, implementing reserve ISP chancel for office, with zero switch time. Implementing Linux servers for company needs. Upgrading and repairing PC`s, supporting office staff at the IT task.



ITU.ru

• Moscow, Moscow City, Russia

• System Administrator

  • Feb 2009 - Jul 2010

  Maintaining network and PC`s. Adding content to site. Fixing bugs on web platform. Maintaining network and PC`s. Adding content to site. Fixing bugs on web platform.



ООО"Брадис.Нет"

• Moscow, Moscow City, Russia

• Technical Service Engineer

  • Feb 2007 - May 2008

  Remote and on-site customer IT support. Creating new networks for companies and base installation of servers. Remote and on-site customer IT support. Creating new networks for companies and base installation of servers.



ЗАО "Спектр"

• Moscow, Moscow City, Russia

• Junior System Administrator

  • May 2006 - Nov 2006

  Assisting System Administrators in daily tasks. Installing software on PC`s. Upgrading and repairing PC`s. Assisting System Administrators in daily tasks. Installing software on PC`s. Upgrading and repairing PC`s.