- Support for internal infrastructure, network servers on Linux and Windows Server.- Access and video surveillance systems, seamless Wi-Fi Ubiquiti.- Support for servers located on a remote hosting.- Apache, Tomcat, Gitlab, Bind, mysql, Jenkins, Gitlab, Ansible, Github, Kubernetes, Docker, CI/CD, Proxmox, RabbitMQ, Prometheus, Zabbix, InfluxDb Grafana Virtualisation, Bash scripting, Mysql, PostgreSQL, Redis, MongoDB.

- Support for internal infrastructure, network servers on Linux and Windows Server.- Access and video surveillance systems, seamless Wi-Fi Ubiquiti.- Support for servers located on a remote hosting.- Atlassian: Jira, Confluence, Crowd, Bamboo. Mail servers on Zimbra Collaboration, Nginx, Apache, Tomcat, Gitlab, Bind, mysql, PostgreSQL

- administration of linux servers;- support for internal infrastructure (DNS, DHCP, radius, esxi virtualization) and internal resources intended for users (nginx, apache, mysql, postfix);- preparation of servers for deployment of new services;- transfer of functionality to other hardware, or to a virtual environment;- support of work on updating billing, IPTV, VOIP and web resources of the company.

- maintenance of office servers of clients;- planning and implementation of infrastructure for new clients;- backup;- work with Windows Server 2003, 2008, a standard set of server software often used to organize the work of the Linux office, virtualization (Xen).- support for web hosting: hosting accounts on shared servers, virtual servers (ovz, vmware esx, VMware vSphere), dedicated servers;- initial installation of the system (Linux Free BSD, Windows Server) and preparation for transfer to the data center;- subsequent setup and maintenance: apache, nginx, mysql, control panels and other software.