Network & System Administrators

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Elijah Efimiev

Elijah Efimiev

Distributed systems Linux administrator

Russia - Tests: 6

Many years of extensive experience developing and optimizing scalable high-loaded load balancing redundant configurations on Linux and BSD. Deployment automation. Projects maintenance, including monitoring, backup and documentation. Developers and technical support cooperation. Last jobs: --- Cloudera Hadoop Distribution cluster deployment consisting of 6 servers --- creating scalable high-loaded servers infrastructure in AWS (EC2 and VPS), using Route 53, Elastic Load Balacers, Nginx, PHP-FPM, MySQL (replication), MongoDB (replication and sharding), Postfix, Zabbix, Puppet. --- high load optimization of 10-servers cluster: Nginx, Apache httpd, PHP-FPM, Drupal, MariaDB. --- 2 big projects using Apache, Perl, PHP, MySQL at MegaFon - the second largest mobile telecommunications company in Russia.

$20.00 /hr
1 hours

Srikant P

Srikant P Agency Contractor

OpenERP/ODOO Expert

India - Tests: 2

OpenERP expert company having customer base through out the globe. With its well experienced team in OpenERP, provides consultancy, development, customization, training, support and maintenance to partners and customers across the globe. Apart from Odoo/OpenERP solutions company also provides web content management, Cloud Solutions, Server Security like penetration testing etc & Infrastructure services

Associated with: Onchange IT Solutions Pvt Ltd

$27.78 /hr
0 hours

Walker Leite

Walker Leite

Linux System Administrator

Brazil - Tests: 2

Student of Computer Science, working with GNU/Linux since 2007. Expert in Debian/CentOS-Redhat web/database server installation and administration. Knowledge in PHP, HTML, CSS, javascript, Bash scripts, Perl, Mysql. Today, manages Cloud Amazon AWS EC2, RDS, Loadbalancer and Autoscaling services for Praiseweb (hosting provider), and their clients.

$15.00 /hr
13 hours

Ruben Souto Perez

Developer / Desarrollador

Spain - Tests: 1 - Portfolio: 3

I work as a programmer, analyst and consultant in a spanish software development company. I'm experienced working with the following development tools: - C/C++. - Delphi. - Visual Basic 6. - - Java. - Python. - PHP. - HTML. - CSS. - Javascript. - XML. - SOAP. - Sql Server. - PostgreSQL. - MySQL. - dBase. --------------------- Realizo funciones de programador, analista y consultor en una empresa de desarrollo de software española. Tengo experiencia trabajando con las siguientes tecnologías: - C/C++. - Delphi. - Visual Basic 6. - - Java. - Python. - PHP. - HTML. - CSS. - Javascript. - XML. - SOAP. - Sql Server. - PostgreSQL. - MySQL. - dBase.

$11.11 /hr
229 hours

Nikolay Popov

Nikolay Popov Agency Contractor

Network Administrator

Ukraine - Tests: 5

11 years expirience in ISP network administration Mainly worked with Cisco, HP, Foundry equipment. Linux/FreeBSD servers administration (Hosting services, Traffic Engeneering) VoIP (Cisco CME, Asterisk) Passed Cisco BSCI/BCMSN/TSHOOT trainings.

Associated with: Altima Web Systems

100% Job Success
$22.22 /hr
13 hours



VMware Systems Engineer

United States

• Design and administration of VMware vSphere 4 & 5 Enterprise Plus hosting 1000+ Linux and Windows virtual machines on hosts across multiple sites • Design and configure VMware vSphere 5 components such as High Availability (HA), Distributed Resource Scheduler (DRS), vMotion, Distributed Virtual Switch (DVS), Host Profiles, Storage I/O Control (SIOC) and Network I/O Control (NIOC) • Design and administration of Lab Manager 4.x to support 400+ virtual machines • Understanding of SAN architecture and implementation as it relates to virtualization (NetApp, IBM XIV, EMC Clariion and VMAX) • Design and Administration of 25+ HP C7000 blade chassis, Virtual Connect Flex-10 configuration in support of Linux, Windows, and VMware blades • Citrix XenApp 5 & 6.5 (Windows 2003/2008) administration hosting 90+ applications utilizing Web Interface , Netscaler, and SQL datastore backend for internal and external customers • Design and Administration of Citrix XenDesktop 5.5 integrated with XenApp, Netscaler, and Access Gateway • Citrix farm consolidation and decommission • Create and manage Active Directory and Group Policy Objects to include DNS • All manners of Windows 2003 and 2008 Windows Server administration • Produce processes and procedures for system administration • Troubleshoot and resolve utilizing analytical skill set amongst a distributed and complex environment to include DNS, Firewall, Active Directory, SMTP, TCP/IP, and various network related issues • Excellent communications skills and rapport with fellow teammates. Ability to work as a team or independently

$88.89 /hr
162 hours