Oleksandr Dotsenko

Oleksandr Dotsenko Email and Phone Number

linux system administrator
Oleksandr Dotsenko's Location
Ukraine, Ukraine
About Oleksandr Dotsenko

System administrating: Linux (10+ years), FreeBSD (5+ years), servers and network administration, installing and maintenance. Remote administrating. Scripting.Technologies: TCP/IP, HTTP, POP3, IMAP, SMTP, SMB, Firewall, wireless, DNS, FTP, .Administrating: Apache, Nginx, bind, Squid, Samba, Postfix, MySQL, tomcat, wildfly , ipnat, ipfw, ansible, ProFTP, nagios, RedHat(+clones) Linux, SUSE Linux, FreeBSD, Debian Linux, ALTLinux.Specialties: Internet technologies

Oleksandr Dotsenko's Current Company Details

linux system administrator
Oleksandr Dotsenko Work Experience Details
  • Isd.Dp.Ua
    System Engineer
    Isd.Dp.Ua May 2023 - Jan 2024
    Украина
    Installation, updating, migrating of applications using specific scripts. Shell scripting for automation routine operations. Remote administration. Developers support in Linux specific issues. Shell scripting for automation routine operations.Details: AIX, Oracle Linux, PostgreSQL, Oracle, Apache, local tools, shell
  • Isd.Dp.Ua
    System Engineer
    Isd.Dp.Ua May 2023 - Jan 2024
    Днепр, Днепропетровская Область, Украина
  • Form.Com
    System Administrator
    Form.Com Sep 2021 - Oct 2022
    Kyiv City, Ukraine
    Installation, updating, migrating of applications and parts of distributed applications. Monitoring and troubleshooting. Writing of technical documentation. Developers support in Linux specific issues. Details: CentOS, Solaris, ansible, Mysql, PostgreSQL, tomcat, Nginx, Rundeck
  • Arsenal-Smtp
    Linux System Administrator
    Arsenal-Smtp Feb 2015 - Sep 2021
    Remote
    System administrator. Installation and maintenance of bulk sending system. Shell scripting for routine operations. Monitoring and troubleshooting. Developers support in Linux specific issues. Remote administration. Installation and maintenance of bulk sending system. Automatization of parsing logs and reporting. Postfix, opendkim, Apache, dovecot, shell scripting, basically GoLang programming
  • Shazzlemail
    Linux System Administrator
    Shazzlemail Jan 2009 - Feb 2015
    System administrator. Shell scripting for routine operations. Monitoring and troubleshooting. Developers support in Linux specific issues. Remote administration. Installation and maintenance of bulk sending system. Automatization of parsing logs and reporting.Details: CentOS, bind, postfix, MySQL, FTP, shell
  • Shipbuilding Plant Chsz
    Chief Of It Subdepartment
    Shipbuilding Plant Chsz Nov 2007 - Feb 2009
    since 11.2007- 03.2011System administrator, chief of IT subdepartment .Maintenance network of 300 distributed hosts, administration Debian Linux servers.Monitoring. Customer support. System and network issues troubleshooting. Manage a team ofIT subdepartment (5 members). Creating and support subnetworks for remote department ofplant and connecting with main network (ADSL, wireless). Support of wireless network. Details: Debian Linux, bind, postfix, samba, squid network designing and installing,Windows 98, 2000, XP
  • Hostingmax (Hostopia, Geekforless)
    System Administrator
    Hostingmax (Hostopia, Geekforless) Oct 2004 - Nov 2007
    Ukraine, Nikolaev
    Active member of design and support of an office network, for about 100 workplaces and dedicated network for IP-telephony over 50 endpoints. There were over 300 users in the attended network. I have take a part in design and build Designed Structured Cabling System network for 400 LAN ports. Control for installers and starting the network with managed switches and active VLAN using, from ground. Support and maintenance Windows computers for staff. Linux environment for developers design, maintenance and support LAMP (Linux + Apache + PHP(Perl) + MySQL). Shell scripting for routine operations. Monitoring and troubleshooting. Developers support in Linux specific issues. Remote administration on Canadian side hosting.Details: SuSE, RedHat(CentOS) Linux, Apache, PHP, networking, , DHCPD, Samba, Squid, iptables, FTP, shellMaintenance network of 300 distributed hosts, administration Debian Linux servers. Monitoring. Customer support. System and network issues troubleshooting. Manage a team of IT subdepartment (5 members). Creating and support subnetworks for remote department of plant and connecting with main network (ADSL, wireless). Support of wireless network. Details: Debian Linux, bind, postfix, samba, squid network designing and installing, Windows 98, 2000, XP
  • Ultratech Ltd.
    Network Engineer, System Administrator
    Ultratech Ltd. Feb 2000 - Nov 2004
    Ukraine,Nikolaev
    Creation and support of a regional network, and support of FreeBSD servers (Apache, MySQL, bind, DHCPD, Samba, billing system, VPN, PPPoE ), support of clients.Responsibilities:Active member of design and support of regional wireless network, more then 30 local networks for 10-300 workplaces, installation and support billing system UTM, installation access points and office servers based on FreeBSD, installation hardware access points: firewall, apache, DNS, squid, samba, sendmail, postfix, VPN, monitoring system, pure-ftpd, vsftpd. There were over 700 users in the regional network. Remote administration of servers, support and maintenance Windows computers for clients, member of building Designed Structured Cabling System networks up to 300 ports..
  • Ultratech Ltd
    Network Engineer, System Administrator
    Ultratech Ltd Feb 2000 - Nov 2004
    Creation and support of a regional network, andsupport of FreeBSD servers (Apache, MySQL, bind, DHCPD, Samba, billing system, VPN, PPPoE), support of clients.Responsibilities:Active member of design and support of regional wireless network, more then 30 localnetworks for 10-300 workplaces, installation and support billing system UTM,installation access points and office servers based on FreeBSD, installation hardwareaccess points: firewall, apache, DNS, squid, samba, sendmail, postfix, VPN, monitoringsystem, pure-ftpd, vsftpd. There were over 700 users in the regional network. Remoteadministration of servers, support and maintenance Windows computers for clients, memberof building Designed Structured Cabling System networks up to 300 ports..

Oleksandr Dotsenko Education Details

  • Marine University
    Marine University
    Management
  • Mathematic Lyceum
    Mathematic Lyceum
    Mathematic-Programmer

Frequently Asked Questions about Oleksandr Dotsenko

What is Oleksandr Dotsenko's role at the current company?

Oleksandr Dotsenko's current role is linux system administrator.

What schools did Oleksandr Dotsenko attend?

Oleksandr Dotsenko attended Marine University, Mathematic Lyceum.

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