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@f1x3r
Flag of Poland Warszawa, Poland
Member since 14. februar 2011
2 Anbefalinger

f1x3r

Online Offline
* Systems administation: Linux (RedHat, Debian, Ubuntu), FreeBSD, Windows * Network administration: VLAN, VPN, Wireless networks, Network equipment managment (Nortel, HP, Cisco), Deep understanding of network architecture, * High availability: active-passive clusters (RHCS, Linux-HA), load-balancing techniques, clustered file systems (DRBD, GFS/OCFS, GlusterFS) * Security: firewalling (iptables, ipfw, ipf/pf), antivirus techniques, antispam techniques (both before- and after- queue), SELinux (including writing custom policies), PKI * Database administration: MySQL, PostgreSQL, Oracle, SQL * Network services administration: www (apache, nginx), mail (postfix, sendmail, exim, dovecot, cyrus), DNS (bind, dnsmasq), LDAP (openldap) * Virtualization: Xen, KVM, VMWare (ESX/ESXi, VSphere), libvirt API, OVF * Programming: Perl, PHP, sh scripting, C/C++, Applescript, VBScript, Python, Java
$25 USD/t
64 anmeldelser
5.8
  • 90%Fuldførte jobs
  • 100%Inden for budgettet
  • 91%Til tiden
  • 21%Genansættelsesrate

Portfolio

Seneste bedømmelser

Erfaring

Owner

Jun 2012

Company providing all sorts of IT services.

Network / Systems Engineer

Apr 2008 - May 2012 (4 years)

- administrators' team leadership - designing a nd implementing HA systems - designing and implementing monitoring systems - designing and implementing buisiness processes within organization (incident and event managment)

Network / Systems Engineer

Oct 2002 - Mar 2008 (5 years)

- technical department managment - network design - implementing new services - systems administration (FreeBSD, Linux, Windows) - configuration managment

Uddannelse

B. Sc. (faculty: Telecommunication Systems and Networks)

1999 - 2003 (4 years)

M. Sc. (faculty: IT, Electronics, Telecommunication)

2003 - 2005 (2 years)

Certificeringer

  • Linux Kernel 1
    95%
  • Unix Level 1
    88%
  • TCP/IP
    82%
  • Shell Script
    78%

Verifikationer

  • Facebook forbundet
  • Foretrukken Freelancer
  • Betalingsverificeret
  • Telefonverificeret
  • Identitet verificeret
  • E-mail verificeret

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