FreelancersСергей Романко

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Ukraine Kyiv, Ukraine
6 months 4 days ago
Available for hire available for hire
1 Safe completed
registered for 7 years
Freelancer Сергей Р. — Ukraine, Kyiv. Specialization — Software/server configuration, System administration


Software/server configuration
84 place out of 201
System administration
220 place out of 819
Overall ranking 3
  39227 place out of 251148


Microsoft Windows Server administration skills:

Microsoft Windows Server 2000, 2003, 2008, 2012, 2016

Networking: DNS, DHCP, ICS, NTP, VPN, DFS, NFS

Active Directory domain services management and GPO administration

Remote Desktop Services

Little bit use of PS

Microsoft SQL Server administration

IIS services

Kerio WinRoute Firewall and Mail Server

FreeBSD/Linux administration skills:

FreeBSD, Ubuntu

Networking: DNS (BIND, unbound), DHCP(isc-dhcp), NTP, VPN-Servers with L2TP, PPTP, IPSec (MPD, OpenSwan, OpenVPN), NFS, SAMBA, FTP, etc.

Experience in configuring IPFW traffic shaping with 2 ISPs


SSL certificates

Installing and configuring virtual hosting (Apache with PHP and MySQL support)

A little bit with nginx

Strong knowledge of SMTP, IMAP, POP mail servers with spam filtering and DKIM, SPF support (Sendmail, Dovecot, EXIM, Postfix, SpamAssassin)

Virtualization and Clouds skills:

VmWare vSphere infrastructure deployment. vCenter administration.

VMs backup/restore using Veeam Backup and Replication software

OwnCloud server support and maintenance


Desining and building IT infrastructure in offices

Resolving incidents with software/hardware issues

Diagnostics and troubleshooting of network services and routing equipment

Data recovery

Routers (inc. L2) maintenance and configuration

Experience in Websites (Wordpress, Joomla, Opencart plugins development in PHP)



Настройка серверов

Software/server configuration

  10  0


  Recent proposals 10
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