UltraByte Solutions | Elance
Last Sign-in: Nov 4, 2015

UltraByte Solutions

Senior Linux System Administrator
  |   Bucharest, Bucharest
  |  7:32 pm Local Time

About the Company

I am an expert in installing and maintaining Linux servers with +10 years experience in Unix/Linux/Network/Security/Firewall/Vmware. Currently i am working as a full time freelancer and consulting over 20 Romanian companies in IT problems
My expertise covers all existing linux versions (RedHat, CentOS, Fedora, Debian, Ubuntu, Slackware, Gentoo, etc), BSD systems (FreeBSD, OpenBSD,)
You can safely depend on my expertise in:
- installing/configuring/managing web,dns,mail,firewall services in various linux distributions
- security (linux and hardware routers and firewalls) and monitoring apps (nagios, cacti etc)
I also have excellent knowledge in :
- networking (TCP/IP, Routing, VLAN, Bridging, VPN etc.)
- PHP MySQL / Perl; APACHE; DNS (bind, djbdns); FTP; Firewall; Mail Server (qmail, postfix, courier-imap)
- web mail apps (Squirrelmail, Roundcube, Horde)
- install/configure/tunning of anti-spam solutions in qmail, exim, sendmail
Also experienced in Vmware environment.
Service Description
Linux Administration Services and consulting
Administrative & Technical Support Services
Email, Scripting, Apache, DNS, and more

Configuring, maintenance and monitoring of Linux services: DNS, DHCP, database servers (MySQL, PostgresSQL), firewall, email, WWW, FTP, PROXY.
Administration of e-mail infrastructure ( add/delete users) maintain mailing and distribution lists and enforcing email policies (spam and virus filtering)

Design and optimization of network and servers infrastructure.
UltraByte Solutions
Full time freelancer (Self-employed)
2007 - Present
Linux System Administrator and IT Consultant
Realitatea Catavencu Company - Bucharest
IT Consultant
2006 - 2008
Kentauros Studios & Production
IT Manager
2005 - 2006
Project based IT consultant
RDS - Romania Data System, Bucharest
Network operation center Engineer
2002 - 2005
Year Founded
Number of Employees
Payment Terms
Projects are either fixed price or hourly rate.
UltraByte Solutions | Elance

UltraByte Solutions