I am working in network support engineer at infonet isp tamilnadu state india country. my jobs roles are NLD, ILL, Vendor monitoring first thing then i was will about fiber technology and wireless technologies like cambium , ubiquiti con figuration , Zabbix miguration , cisco switch and routers handling because i have CCNA course ceritificate.
Our Isp using mikrotik RB2011,CCR1000, CISCO ASR920,C9200 L
I have 1 and half year in field experience ( LAN,DHCP,DNS,WAN,PORT FORWARDING, DVR CONFIG) after i have joined network support team there ( NLD,TOWER POP SWITCHES, ONLINE TROUBLESHOOTING FOR CILENT ISSUES, ROUTER CONFIGURATION, NAT ISSUES, WEBSITE ISSUES,INTRANET ISSUES )