Position: System administrator *nix
Category: Sysadmin
English level: intermediate
Years of experience: 11


OS - FreeBSD, Linux (CentOS, Ubuntu, Gentoo, etc), Windows (3.1-2019)
Virtualization - vSphere 5.x, 6.x. Standalone ESXi and clusters with SAN storages (iSCSI). KVM, Proxmox, oVirt. Veeam BnR, XSI-backup. VmWare Workstation, VirtualBox.
Web servers - Apache, Nginx
DB servers - MySQL, MariaDB, Postgresql, MongoDB
Mail - Postfix, Courier/Dovecot/Cyrus, rspamd, postgrey, clamav, postfixadmin, squirrelmail, roundcube.
Have experience with WHM/cPanel, Plesk, VestaCP, Virtualmin, ISPmanager but I don't like control panels (most of the projects are optimized for best performance and there is no place for cp). If needed I can study out any control panel.
Samba3+LDAP, Samba4 domains (about 400 user accounts, GPO, Roaming profiles, a lot of other stuff). Standalone samba servers.
Squid (LDAP auth, AD auth, basic, kerberos), FTP, SFTP, DHCPD, BIND, TFTP, DAViCal, tinc, mpd5, quagga, bgp, nfs, rsync, rsnapshot, Zabbix, SVN, GIT, Moodle, NextCloud, OnlyOffice, BigBlueButton, etc.
Dell servers, Dell MD storages, HP servers, SuperMicro servers, usual PC hardware.
HP, 3Com, Dell switches, no Cisco experience.
DD-WRT, including cross-compiling software from sources for this firmware for ARM arch.
shell, php scripting
Learning python, terraform, ansible.
I have a lot of other expertise, feel free to ask.
I like to build systems, solve interesting issues. Don't like user support.