Hình đại diện của etaradayko
Cờ của Ukraine Soledar, Ukraine
Làm thành viên từ 15 tháng 10, 2014
1 Đề xuất


Trực tuyến Ngoại tuyến
I have extensive experience with managing, deploying and running Linux/UNIX systems such as Red Hat, CentOS, Debian more than 15 years as well as Windows servers such as 2003,2008, 2012; Profound knowledge of networking; Working knowledge of Firewalls (Iptables), DNS (bind, unbound), MTA (exim, postfix, sendmail), MDA (DBMail, Dovecot, Cyrus), ftp, ssh, cifs (Samba), ntp, dhcp, kickstart, pxe, IPMI/KVM, kernel tuning; Expert knowledge in IT security: Firewall (iptables), SELinux, Snort, comprehensive protection against DDoS attacks, anti-virus software, CCTV systems and others; VPN PPTP, IPSec/L2TP; Programming and script languages: bash, c/c++; Monitoring Nagios,Zabbix; Working knowledge of database administration: MySQL(MariaDB), PostgreSQL, CouchDB (BigCouch), Oracle; VOIP: Kazoo, Kamailio, FreeSwitch, Asterisk. Working knowledge of VMWare vSphere,KVM, Virtual Box; Creating and administering HA clusters; Hosting Panels: set of ISPmanager panels, VestaCP etc. Switches and routers: D-Link, Cisco, Ubiquiti etc (Firewall, Static routing, OSPF, VPN); Working knowledge of LAMP;
$10 USD/hr
26 nhận xét
  • 100%Công việc đã Hoàn thành
  • 100%Đúng ngân sách
  • 100%Đúng hạn
  • 35%Tỉ lệ thuê lại


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Trải nghiệm

Head of IT department

Feb 2009 - Jun 2014 (5 years)

Management of IT and communications. Supervised staff of 15 people. Organization of activities in IT department for creation, maintenance, development and information provision of systems and facilities of computing equipment, communication and connection. Including, budgeting, financial planning, office work in accordance with ISO 9001, with using elements of ITIL. Organization and holding of tenders, reverse auction with leading manufacturers of servers and storage systems such as HP, IBM, Dell, EMC, Epson and others. Developed and implemented effective information security policies and standards as well as application. Designed and implemented a fault-tolerant distributed heterogeneous enterprise network. More than 20 kilometers of fiber optic lines, Wi-Fi, dynamic routing OSPF. Design, implementation and support failover cluster of servers with using Supermicro’s servers, VMWare and storage systems of IBM. Fulfilled migration of about 100 workplaces from Windows to Linux (CentOS). Has developed a project for the implementation of IP-telephony for 1200 telephone numbers. With the use of Asterisk and GSM and VOIP-gateways.

Software Engineer

Aug 1998 - Feb 2009 (10 years)

Network design and configuration of network equipment. Design and rationale for the server hardware, administration of server and client operating systems and services both under Windows and under Linux. Migration of various accounting and management software from Windows platforms to Red Hat Linux. Development of server software for Red Hat Linux on C++ (STL), PostgreSQL, Oracle. Development and support of corporate Web-server by means of Apache, HTML, JavaScript, DOM, CSS. Installation and administration of RDBMS Oracle.

Giáo dục


1993 - 1998 (5 years)

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