IT professional of 15 years, I have been familiar with computers (Unix, Linux, DOS, Windows) for over 20 years. I am available for System Administration having extensive experience in Linux and Windows System Administration, providing and maintaining network services including DNS, BIND, NTP, DHCP, NTP, SMTP. Network security and firewalling (including Cisco PIX experience). Virtualization (QEMU, VMWare). US Citizen. Native English speaker.