Position: Computer systems engineer
Category: Sysadmin
English level: fluent
Years of experience: 8


Position: Computer systems engineer 

- Designed and implemented Zabbix, MEM (SCCM), Eset Protect, Squid, Wiki, FreePBX, ticket-system, backup and high availability systems.
- Designed and implemented migration on premise servers to Azure Cloud.
- Implemented and configured using Mikrotik devices: network segmentation with VLAN; VPN-network using IPsec+GRE and OSPF; wireless mesh on target areas.
- Performed optimization of services (AD, IT, VPN etc.) and implemented them to the branches.
- Supervising the administration of routers, switches, servers and systems to ensure network availability.
- Perform the implementation, verification and documentation of changes on a live production network and infrastructure.
- Providing technical support to users (mostly Tier 2\3).

Position:  Head of IT Department

- Managed a team of up to 3 specialists. 
- Designed and implemented Active Directory, Asterisk, backup and high availability systems.
- Optimized critical production services up to 300%.
- Performed configuration, monitoring and maintenance of network, servers and systems.
- Responsible for processing and managing purchase orders and contracts for IT department.
- Responding to inquiries from staff and 3rd party service providers on 24\7 basis.

Position: Data Analyst
- Creating agents in specialized software for automated data collection from websites and storing it in XML-files or MySQL\MSSQL database.
- Converting data from XML-files using Regex and XPath for post processing.
- Verification output data using SQL-queries.

Technologies:
- Cloud: Azure, AWS.
- OS: Windows (Desktop: XP, 7, 8.1, 10; Server: 2003, 2008 r2, 2012 r2, 2016, 2019), Linux (CentOS, Debian), FreeBSD.
- Hypervisors: qemu\KVM, Hyper-V, Proxmox.
- AD: DS, DHCP, DNS, DFS, WSUS, GPO, MEM (SCCM).
- Databases: MySQL\MSSQL, Oracle.
- Scripting: Batch, Powershell, Bash.
- Networking: Mikrotik, HP\Aruba.
- Installation, configuration and support: Zabbix, Squid, Mediawiki, Asterisk\FreePBX\Elastix, osTicket, 1C, Medoc.
- Basic DevOps: Ansible, Kubernetes, Terraform.
- Enterprise antivirus solutions: Eset, Symantec, Avast.