Network engineer and system administrator with 13+ years of hands-on experience. I have been working with a different network topologies, from office to metro network.
I am skilled Unix system administrator, with lot of experience in Linux (CentOS, Debian, Ubuntu) and BSD (FreeBSD and OpenBSD) systems.
I have got working experience with: DNS; DHCP; HTTP (Apache, Nginx); FTP (vsftpd); SMTP (from old-fashioned sendmail to relatively modern CommunigatePro); SNMP; SMB; VoIP (class 4/5 softswitches, sip); ACL, firewalls and NAT;
I am proficient in configuring Cisco routers and switches, network designing and implementing.
I have got working experience with: Switching & Routing; Security (ACL implementation, hardening routers and switches, IDS/IPS; RADIUS, TACACS+); VoIP (Cisco voice gateways, UC, H.323, IVR, T.38/T.37 fax); Monitoring (netflow, flow-tools, nagios, zabbix); Clouds (GCE, AWS, DigitalOcean);
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