Position: System administrator / Tech support
Category: Support
English level: upper
Years of experience: 11


2012-2022 Internet service provider
1-2 tiers of customer technical support(phone, mail, in personal), CLI, troubleshooting network and last mile, monitoring, CRM, shell scripting, bash, python, expect, 
vlan, portsec, switching, routing, ethernet, fiber, Zabbix, Nagios, Windows, Linux, VoIP, SNMPc, multitasking.