Profile Title

Ronaldo Czelusniak

In British Columbia, Canada

About Me

I am a dynamic and focused IT professional with over 9 years of experience in IT as a system and network administrator, an enthusiast about OpenSource software and passionate about computer networking my skills and capabilities are focused on networking and security Skills: Great knowledge of: • Switching and Routing (Cisco, Huawei, 3Com, HP, and DELL). • Firewall/UTM/LoadBalance/VPN - design, implementation, support (Cisco Firepower, PfSense, Fortigate, Iptables, IPFW). • Several Unix flavours like Ubuntu, PfSense, Debian, CentOS, Novell SuSe. • Appliances products: Cisco, Fortinet, 3com, Huawei, HP, Dell, Aruba. • Linux services such as Iptable, Samba, OpenVPN, Squid, Radius, Syslog, SNMP, DNS(bind), DHCP, NTP, OpenLDAP. • Microsoft services, AD, GPO, DNS, DHCP, RDS, and FIM. • NOC design and implementation. • Networking troubleshoot, finding root causes. • Network Monitoring tools: Nagios, NagVis, Opmon, Cacti, OMD suite, NetFlow, plugins development, SNMP. Good Skills in: • Virtualization with VMware ESXi and Hyper-V • Messaging - Exchange Server, Zimbra Community edition, IceWarp, and Postfix.

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Employee British Columbia, Canada

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