| Web project management/ engineering |
| Web technologies (internet, intranet, extranet) |
| Web standards and best practices (XHTML, XML, CSS, PHP, others) |
| Free software & collaborative tools (SPIP, ZOPE/PLONE, Joomla, Drupal, others) |
| E-commerce/ e-marketing |
| Networking |
| Install, configure/manage switches, routers, access servers, firewalls and VPN concentrators |
| Network Management and Monitoring systems |
| Network documentation methodologies and tools |
| Routed Protocol (TCP/IP, IPX/SPX) |
| Higher layer protocols (HTTP, HTTPS, DHCP, DNS, SNMP, FTP, TFTP) |
| Packet analysis, Syslog, Firewall logs |
| Switching/Bridging, Virtual LANs (VLANs) |
| Virtual Private Networks (VPNs) |
| SPAM & Antivirus (Trend Micro, McAfee, F-Secure) |
| Wireless Network Security (WPA2, LEAP, PEAP, TKIP, RADIUS, Smart Cards, USB Tokens, Software Tokens) |
| Network Attached Storage (NAS), Storage Area Network (SAN) |
| Network Storage Solutions (ArcServe, Veritas, open source alternatives) |
| Virtualization/Paravirtualization: XEN, QEMU, VirtualBox, VMWare, VirtualPC |
| Open source |
| Linux system and network administration |
| Configuration and administration of server software |
| Web & messaging: Apache, Postfix, ClamAV, Spamassassin, others |
| Networking: DHCP, Bind, Samba, Rsync, OpenSSH, NFS, UUCP, OpenLDAP, FreeVPN, vsFTPd, others |
| Security & cryptography: firewalls (iptables, netfilter, NuFW), freeRADIUS, proxy (Squid), encryption (Ipsec, PKI, SSL, DES, 3DES, AES), GnuPG, cryptsetup, others |
| Network intrusion detection systems (IDS): Snort |
| Audit: NMAP, Nessus, Ethereal |
| Network Supervision: Cacti, Nagios, NaReTo, Linux FAN Distribution (Fullly Automated Nagios), various SNMP packages |
| GNU tools: Vi(m), Grep, Awk, etc. |
| Software Engeenering Project: DotProject, OpenProj, Subversion, Wikis, Blogs, Bug Tracking System, GanttChart, Collaborative Groupware Software, others |
| IT and Asset management software: GLPI/OCS-NG, Request Tracker, others |
| Enterprise Resource Planning: OpenERP. |
| Microsoft |
| Microsoft Active Directory & domains |
| Microsoft Exchange Server 2003 |
| Microsoft Internet Information Services |
| Microsoft TSE (Terminal Serveur Edition) |
| Programming Languages |
| Python |
| Perl |
| Shell scripts (sh, bash), Awk |
| LaTeX |
| Databases |
| MySQL |
| PostgreSQL |
| Microsoft SQL Server |
| Platform |
| Debian GNU/Linux |
| Most of UNIX systems (HP-UX, Solaris, *BSD, *Linux, MacOS X) |
| Microsoft Windows Server/Storage Server 2003 |
| Telecommunications |
| Broad knowledge of modern analog, digital and VoIP telecommunications equipment |
| Voice: TDM (PBX, BRI/PRI, others), VoIP (IP-PBX, SIP, others), Asterisk |
| RIM BlackBerry Enterprise Server for Microsoft Exchange |