I've got over 10 years experience in system administration sphere.
Here’re some of my skills:
- OS administrating: all Linux based (Ubuntu/Debian/CentOS, etc.), FreeBSD
- SCM: Ansible, Puppet, Chef, Opsworks, etс.
- Web servers: NginX, Apache, Tomcat
- Database servers: MySQL, PostgreSQL, NoSQL (MongoDB, Cassandra, HBase)
- Monitoring: Nagios, Zabbix, Cacti, Monit, ELK Stack, Graphite + Grafana
- CI: Jenkins
- Virtualization: Openvz, LXC, Docker, XEN and XenServer, KVM
- Scripting: Bash, Python
- Mail servers: Postfix, Dovecot, Exim, Sendmail, etс.
- High-performance stack: PHP-FPM, Varnish, memcached, CDN, HAProxy
- Panels: cPanel/WHM, plesk
- Networking:
- standard network services (DNS, DHCP, Samba, SVN/Git, http proxy, jabber, VPN, backups, monitoring, etc.);
- firewalls and routers (iptables, iproute, VLAN, bridging, bonding, BGP, OSPF);
- different hardware (Cisco, Extreme networks, mikrotik, etc.)