27 years of experience in system administration in a multivendor enviroment at Computer science laboratory in cesena (started with sunos, os/2, aix, windows ,dos,MacOS) now I'm specialized in windows NTS/WKT/W2k/W2K3, LINUX (debian,ubuntu,redhat), solaris.
Strong knowledge Linux ,samba, squid (NTLM authentication) and respective integration with wide Active Directory domain.
Strong knowledge of Wireless networking, also developed a project for a wireless hotspot (linux embedded) with secure authentication for allied-telesyn.
Since 2001 working as free-lance consultant
Many sendmail/exchange installations, many integration linux and Windows active directory
Planning and implementation or Reengineering of complex information technology infrastructure, system an network administration.
WINDOWS 2000, 2003, NT and XP: administration and task automation in large environment, active directory, policies, setup, security, load balancing, dhcp, wins, dns, trust, zak and scripting everywhere... (batch,kix,vbscript,bash cygwin)
Microsoft Virtual server: system administration, task automation ...
Exchange: 5.0 5.5 2000 and 2003 (high secure configuration with a linux reverese proxy as frontend exchange as backend) system administration, task automation, event sync
IIS3/4/5/6: administration, tuning, load balancing, scripting, task automation
Sql server: administration, tuning, backup, security, scripting
Vmware workstation and server: good
borland Delphi: I like it
setup, administration, shell, security, programming, bind, sendmail, nis, nfs,
apache, ssh, ssl, X, samba, iptables, squid, ipsec, vpn, pptp, gnu programs....
good knowledge of tcp/ip ,iptables, security, switching, routing, vlan, lan, trobleshooting, planning.
good knowledge wireless lan, war-driving, site survey, trobleshooting, planning.