Position: System Administrator / L2/L3 Tech support
Category: Sysadmin
English level: pre
Years of experience: 5

Implemented a monitoring system.
Transferred the infrastructure from bare metal to virtual machines.
Implemented a cluster scheme to do for 1s (cluster 1C MSSQL always on cluster), which allowed to raise the level of SLA to 99%.
Designed and built infrastructure at the new production site.
Implemented a backup system, DRP.
Migrated non-critical business services from hosts to Docker, and later to Kubernetes
03.2021 - 04.2023
System administrator
-Configure and maintenance distributed over several countries LAN, build on Mikrotik (DHCP, OSPF, IPSEC, GRE, VPN (L2TP), VLAN)
- VmWare, HyperV virtualization
- Setup and maintenance bare-metal server.
- Maintenance Windows services: AD(GPO), DNS, WSUS,RDS, NPS.
- Configure and maintenance Linux (Centos, Debian, Ubuntu server) server and services on it ( LAMP \ LEMP, Nginx, PostgreSQL \ MySQL, Samba, Patroni, Zabbix, Bareos)
- Configure, maintenance and monitoring Asterisk
- Maintenance backup system (Bareos, Veeam Backup)
- Automatization routine task with PowerShell \ bash
- Maintenance O365 service
- Made improvements to the company's internal websites(PHP, JS) and internal wordpress-based site.
- Accounting of computer equipment ( SnipeIT, OCS Inventory)
-Have experience in "Dockerize" application (php and flask apps) and deploy it in k8s cluster && configure gitlab cd for it

03.2020 - 03.2021
System Analyst \ System administrator
- Configure and maintenance LAN ( over 600 pc \ 14 physical server(HP, Supermicro, Dell)
- Configure and maintenance: RDS, MSSQL cluster, 1C cluster, AD, Zabbix, Veeam, Hyper-V virtualization
- Work in the Service Desk (Eddy) system
- Network design and configuration at new production sites(office)
- Team management L1 - support
- User support 24\7(L2 \ L3 tier)

09.2018 по 08.2019 
System administrator
- Maintenance LAN (distributed over city)
- User support, office equipment repair ( PC, printer, etc)
- Implementation and configuration of Hyper-V
- Maintenance Asterisk, MS SQL server, 1C, MeDOC
- Implementation and configuration of Zabbix
- Accounting equipment

з 02.2018 по 09.2018 
Junior system administrator
User support, office equipment repair ( PC, printer, etc)
- Interaction with contracting organizations
- Accounting equipment
- Server maintenance based on Win Server 2008 (AD); Fedora (Samba, Cups, FTP)