Position: Technical Support Engineer L2/L3
Category: Sysadmin
English level: pre
Years of experience: 4

1) Deployment of a vpn server from scratch based on pfsense. 
2) Implementation of monitoring Prometheus&Graphana. 
3) Installation of a local GitLab software code repository management server. 
4) Wowza streaming server deployment based on aws instance, configuration and administration. 
5) Development of video editing complexes from scratch, support and administration (adobe, avid media composer). 
6) Administration of Windows Server operating systems - installation, configuration to the requirements of video servers, raising of system services and installation of additional utilities.
7)  Monitoring and troubleshooting of transcoding processes, delivery of video materials to broadcast servers.
8) Local network switching and settings.
Companies and positions:
1. Technical Support Engineer L2 • RBI Retail Innovation
2. System control and maintenance engineer • NDA 
3. Technical Support Engineer IT TV • 1+1 Media
4. Technical Support Engineer • TV channel "Ukraine"
5. System Administrator (Helpdesk) • Channel 5

ADDS(create and manage users profiles), DNS and DHCP (basic configuration as a service on windows and Linux), VPN (configure on windows as a client; setup and configure as a server based on pfSense).
VMWare Esxi, Hyper-V, VMware Workstation, Virtual Box (install, setup role and basic configuration, create and manage VM, injection storage). Windows 7, 8.1, 10, 11, Windows Server 2008 — 2016 (install and basic configuration), Ubuntu Server 18.04 — 22.04 (I have the experience of a confident user (Ubuntu 18.04 - 22.04, CentOS7), at the level of system installation, software installation and update, minimal configuration or making changes to the file (adding a user to the system, expanding rights in the sudoers file, changing rights to files, creating mount points, working with text editors (nano, vim), searching for files using find/locate with grep conditions, a little experience in troubleshooting when problems arise in the operation of the software, basic knowledge of writing simple bash scripts for backing up data or install certain products. Basic knowledge and skills with Zabbix, Prometheus&Grafana (Experience in monitoring production systems and services, working with logs, finding errors, if possible correcting them, otherwise transferring the problem to a higher level.For educational purposes, I deployed Zabbix on a virtual machine and configured an agent to monitor my router. Also deployed a cloud instance and deployed Prometheus with Grafana, configured a NodeExporter agent for metrics and created a dashboard to monitor another instance's resources). Dell PowerEdge Servers, iDRAC, SuperMicro Servers (experience of maintaining hardware and software, update of bios, disks replacement in RAID). I have a general understanding of the interaction of the OSI reference model and the TCP/IP model. Basic understanding of http/https, use of ssl/tls certificates, understanding of client-server architecture and API, using REST architectural approach, using Postman at a basic level to perform GET/POST requests in existing collections.Knowledge of SQL at a basic level, creating select database queries with minimal use of join to check data on customers or to download csv files with data.