I've been working in the computer field for over 20 years. I've worked in numerous positions, including classified telecommunications, database programming, unix and nt server administration, network management, and system and network engineering. I have had the CCNA, CISSP, and MCSE certifications, and currently hold the RHCE certification. I'm working toward the RHCA. I've been managing unix and linux systems for over 15 years. * Platforms: Red Hat Enterprise Linux, CentOS, Microsoft Windows 95, 98, NT, XP, 2000, and 2003 , Cisco IOS, Cisco Firewalls (PIX, ASA, FWSM) * Networking: TCP/IP, Ethernet, VPN, SSH, PGP, PKI, Kerberos (v5), SMTP, FTP, POP3 and IMAP, SNMP, IPSec, DHCP, DNS, Syslogd, RDP, LDAP, others * Software: RPM, Groundwork Monitoring, HPOV, Cacti, Nagios, cobbler, puppet, others * Languages: UNIX Shell Scripting (bash), PHP, SQL, HTML, Red Hat Kickstart, C, C++, Pike, Perl, a little Python, Ruby and Lisp, others I am a hard working senior level network and