8 years of experience in work with Linux/Unix systems, services and networks configuration, maintenance. I know very good such a OSes like: Debian, Ubuntu, Centos, Red Hat, Fedora and FreeBSD.
From server services in mostly I know: www servers (Apache,Nginx), mail servers (Postfix, Exim, Zimbra), files (Samba), DNS (Bind, Mydns), proxy (Squid), ftp ftps (Proftpd, Vsftpd), databases (MySQL, PostgreSQL Firebird), version control (SVN, GIT)
I know firewalls: iptables, pf, ipfw, shorewall, CSF ; VPN (IPSec, OpenVPN, PPTP); backup solutions (Bacula, BackupPC, Rsync, Rsnapshot)
Also I know many different monitoring tools such as: Cacti, Nagios, Mrtg, Webalizer, Awstats.
I have lot of netowks knowledge. I know and I can configure many different enterprise switches, routers. modems, firewalls of such as producers like Cisco, Dlink, TPlink, Allied Telesis, HP and others. I can configure different networks routings (static or dynamic), create VPNs or secure these networks.
I invite to work with me and kind regards.
In this company I'm mostly responsible for Linux servers and network. We have around 120 servers (phisical and virtual in VMware). Network consists of Cisco routers (2800 line), Cisco switches (different), Fortigate firewalls. I work on maintenance of these: backups, new features, upgrade, setting permissions, troubleshooting and fixing any possibly failures.
Network & System Administrator
Jul 2006 - Jul 2012 (6 years)
I dealed with configuration and maintenance of large LAN, MAN network at ISP in Wroclaw City. Few numbers connect with above: around 50 FreeBSD routers, a few hundred managed switches. Moreover I worked with over a dozen physical servers on FreeBSD and Linux systems. They had such a services like: mail servers (for around 5000 users), www, svn, backup, samba, ftp and others.
Master of Science
Politechnika Wroclawska, Poland 2000 - 2005
Free Software Foundation
It confirmed my education of Unix/Linux systems with network and security aspects.
High performance edge router
With my friend from previous work we provided a lecture on PLNOG (polish network specialist conference PLNOG) about high performance router on FreeBSD system for small price.