Владимир Д.

ФрилансерыВладимир Дорошенко

Украина Винница, Украина
17 часов 27 минут назад
сделано 2 ставки
Свободен для работы Свободен для работы
возраст 39 лет
на сервисе 2 месяца 21 день

Специализация

Администрирование систем 1
466 место из 1748
Linux/Unix
192 место из 585
Позиция в общем рейтинге 666
  65844 место из 379578

Резюме

DOROSHENKO VOLODYMYR DevOPS
 E-mail: 
[email protected]
Skype: xotabich792
Date of Birth: 10/14/79
tel.: +380509892789, +380960238399
viber: +380509892789



Education                                                                                                                                         
1996 – 2001 Donetsk National Technical University
Master degree of electronic systems
2000 – 2001 Donetsk National University
 Master degree of IT Technology

Languages                                                                                                                            .

English Pre-Intermediate

Summary of Qualifications

Over 17 years of experience in the area of Network and Systems Administration. 

Administration of networks, servers (with different operating systems) and different services (application servers, monitoring, system protection, etc), CCTV systems, alarm systems.

Strong System Administrator experience. More than 6 years of experience in IT management.

Network security, access control to the network, the audit of the changes, prevention unauthorized access. Network monitoring. Virtualization systems for servers and workstations. Database adminstration. 1C and M.E.DOC adminstration.

Strong communication skills, self-discipline, responsibility, punctuality, adaptability, leadership, readiness for business trips.

Able to learn new technologies rapidly. 

Strong analytical and problem solving skills. 

Able to make an important decision independently.

More than 13 years of experience in administrative and management activities.

Technical Skills

Operating Systems: Windows (98-10, NT), Unix based OS (Linux, Ubuntu, CentOS, FreeNAS), Mac OS, Windows Server 2003 Server, Windows Server 2008, Windows Server 2012

System admin knowledge: Linux, Windows, admin tools

Automation tools: 

Ansible:

    -    Prepare and deploy playbook for check trigger “System restart required” and restart VM;
    -    Prepare and deploy playbook to fill up all free space on local file systems with zeroes;
- Prepare and deploy playbook for set up network interfaces, iptables and routes;
- Prepare and deploy playbook for install base application: apache, jenkins, nginx
- Prepare and deploy playbook for set up DNS
- Prepare and deploy playbook for automatic create asterisk account
    -    Prepare and deploy playbook for set up IPSEC

, also tested Puppet

Network: setup Cisco, D-Link, Enterasys switches

Software build process: Hudson, Jenkins

Web Servers: Apache, Nginx

Workflow tools: Git, SVN

RDBMS: MySQL, PostgreSQL (also Oracle Database), MongoDB

VPN: OpenVPN, IPSec

Backuping: Acronis

Monitoring: Zabbix, Nagios, Munin, OCS Inventory, Kibana

Scripting: Python, Bash

Programming: theoretical knowledge of JS, but there was no possibility of practical application

Cloud technologies: theoretical knowledge of AWS, but there was no possibility of practical application

Graphics: Adobe PhotoShop, Corel Draw

Security software (antivirus protection): Kaspersky, ESET Smart Security, Dr.Web, Microsoft Essentilas Security

Virtualization:

- Virtualbox: install; create, administration VMs;
 - 
Vmware: install; create, administration VMs;
- Xen: install XenServer; create, administration VMs, set up automatic backups;
- OpenVZ: install; create, administration VMs;
 - Docker: install; create, administration VMs;  theoretical knowledge of Docker Swarm.

Professional Experience



Exadel www.exadel.com                                                                                                                    12.2012 – Present  

Position: System Administrator

Project: System Administration

Responsibilities included: 

Resolve problem with:

  •        incoming Internet channels    
  •    Wi-Fi

  •    local network of the employee     and in the servers

  •    employees computers and     servers  

       

  •    Asterisk, OpenVPN, IPSec, Xen     Servers, DHCP Servers, DNS servers, Zabbix client

       

  •    CCTV and alarm systems;

Creating / deleting accounts in the local asterisk;

Creating / removing virtual computers and their configuration;

Reconfiguration of the local network and Wi-Fi;

Hardware maintenance of servers and workstations;

Full equipment purchase cycle (there is two personal suppliers);

All issues related to equipment accounting, incl. delivery of equipment.
Database adminstration.
1C and M.E.DOC adminstration.

Achievements: implemented the core of network based on Cisco SG500X, developed and implemented CCTV and access control systems, moved virtual computers from KVM to Xen, created and implemented Asterisk, DHCP, IPSec, DNS servers, created and implemented OpenVPN failover, set up firewall (iptables), set up VRRP

Environment: SuperMicro servers, HIKVISION CCTV equipment

Tools and technologies used: Ansible, OpenVPN, IPSec, DNS, DHCP, SVN, KVM, Xen, Zabbix, CCTV, OpenVZ, Docker etc.



CJSC "Mini-Metallurgical Plant" ISTIL (Ukraine)"                  www.istilgroup.com                                                                                        08.2001 – 12.2012  

Position: Network and Computer Engineer/Head of the Bureau of System Administration 

Projects: Network Projects,  Administrative and management projects



Responsibilities included:

Design, installation, implementation, administration and maintenance of the network based on Enterasys and MOXA equipment;

Work with copper and fiber-optic systems: laying, installation, welding, measurement of optical fiber parameters by a tester and reflectometer, analysis of received graphs;

Maintenance and administration servers (running on Windows 2003 Server, Windows 2008 Server, Windows 2012 Server, Kaspersky server, Virtual Servers (Oracle VM VirtualBox), UPS, Rittal air conditioners;

Commissioning of servers, organization of data backup, fault diagnostic and data repair;

Service HMI computers (install OS (Windows NT), install necessary software (Simatic Step 7, WonderWare Intouch HMI, software for Level2 automatization), troubleshoot, repair, replacement, upgrade)

The expansion, modernization, diagnostics and troubleshooting of local network;

Service user's personal computer (installing OS (Windows 98, Windows XP, Windows 7), software installation, virus protection, training of users on the PC, troubleshoot, repair, replacement, upgrade);

Service other office equipment (printers, faxes, multifunction devices, etc.);

Network Security, access control to the network, the audit of the changes, prevention unauthorized access;

Conducting business negotiations, conclusion of contracts, purchase of equipment, organization of work of contract organizations;

Work with design and estimate documentation;

Maintenance of the projects of automatic fire alarm, fire extinguishing systems and security alarm system;

Conducting audits in accordance with ISO9001, ISO14001.

Tools and technologies used: Windows Server, SAP R3, MySQL, Simatic Step 7, Oracle VM VirtualBox, WonderWare Intouch HMI Software, software for Level2 automatization, hardware, Enterasys network solution, Delphi 5, etc.

Certificates

CCNA, TUV NORD ISO9001, ISO14001

Навыки и умения

Портфолио

Проектирование и внедрение комп. сети на заводе

Администрирование систем Администрирование систем


Разработка, проектирование, внедрение и сопровождение компьютерной сети на металлургическом заводе



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