Senior SysAdmin focused on business development with 10 years of creativity and experience, specialized in HA services and applications through network architecture. Long-term experience in developing hosting solutions in different industries including Web, advertising, team organization and education. Experience in building complex applications using methods ensuring high quality and high sustainability. Involved in the IT community, writing on development and occasionally presenting in meetings and international conferences.Technology skills & tools:CentOS, Debian, Ubuntu, FreeBSD, AWS, Azure, Xenserver, Proxmox, KVM, Vmware, docker, Munin, Monit, netdata, Cacti, Nagios, Zabbix, Prometheus, Datadog, LibreNMS, ELK stack, Grafana, Cloudlinux, cPanel, R1soft, GK-Root, Apache, Nginx, IIS, haproxy, CARP, PHP, Memcache, Redis, MySQL, Cassandra, GIT, GitLab, GitHub, Sourcegraph, OpenGrok, Bind, Exim, Postfix, CSF, IPtables, Ansible, Jenkins, SaltStack, zookeeper, Hyper-V, Asterisk, Grandstream, Mikrotik, Cisco, OVS, OpenFlow, NAS, SAN, NFS, FreeNAS, Wireshark, Cisco Packet TracerTeam collaboration and organization tools:Teamwork, Trello, Slack, Skype, Zoom, Cisco Webex, Sharepoint, G Suite, Office 365, Project, Visio, WHMCS, Workday, ServiceNow, Salesforce, SupportlogicOther skills & tools:Reliability Engineering, Systems Engineering, DevOps, Information security management, Design, and management planning, Disaster Recovery, Vulnerability Management, Standards compliance, PCI-DSSWork Experience: