System administration Linux: Redhat/Centos; Debian; FreeBSD; MikroTik • Years of expirience in all sorts of services running of these systems • Experience with the setup, configuration and management of Apache/Nginx, MySQL and PHP (LAMP/LEMP) • DDos protection system: Wanguard • Docker swarm in heavy loaded environment • Configuring firewalls - iptables, ipfw, juniper SRX • Configuring routers - Juniper MX, Cisco Nexus, Vyatta, Linux, MikroTik • Configuring - Cisco, HP, MikroTik, UBNT network equipment • Virtualization systems – vSphere, ESXi, Xen, KVM, Proxmox • Implementation and management - nagios, check_mk, LibreNMS, icinga, zabbix written various nagios checks in Perl, PHP, Bash, Kibana, Graylog • Knowledge of VoIP and PBX (asterix) • Programing languages – PHP, Perl, Python, Bash, JavaScript, SQL, HTML • Databases – Postgresql, Mysql • Experience with high availability setups – haproxy, docker swarm • Use of zfs for the management of backup servers • Strong skills with cobbler/puppet/ansible to manage and configure physical and virtual servers • Strong skills with networking include design, troubleshoot, load balancing, traffic shaping, network security • Scripting in PHP and Bash for automation and systems administration tasks.