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Last updated: October 1, 2015
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Dmitry Popov

Dmitry Popov

Senior VMware and Linux administrator

Russia - Tests: 1

In terms of skills, I am strong Cisco Network and VMware Engineer. Have strong switching/routing/firewall experience. I am also have reach experience of working within a virtual environment (VMware). Have deep VoIP knowledge. I am looking to move into a more design focussed role. Have years of support/implementation experience and would like a more architecture oriented role. But administration tasks are also very interesting for me. I can solve problems quickly and professionally.

$30.00 /hr
0 hours

Razique Mahroua

Razique Mahroua

Cloud Engineer

Canada - Tests: 2 - Portfolio: 4

• Extended knowledge on Cloud computing IAAS and PAAS(Amazon EC2, OpenStack) and related ecosystems (Ceph). • Technical writer on cloud-computing topics (Security, High-availability, clusters). • Fully-virtualized and HA architectures deployment (Proxmox, ESX, OpenStack) and network virtualization (Neutron). • Messaging-systems deployment (Zimbra, Outlook). • Backup solutions (EMC Retrospect, Open source solutions). • Monitoring deployment and administration (Zabbix, Nagios). • Architecture audits. • Load testing (jMeter, Tsung, iozone, vdbench). • HA solutions : Pacemaker, Corosync, GlusterFS, MooseFS, DRBD

91% Job Success
$65.00 /hr
15 hours

Ivan Kiryanov

Ivan Kiryanov



Specialize in infrastructure architecture, application and system deployment and management (AKA DevOps or Systems Engineering). Excellent at learning new technologies, problem solving, prioritization and analytical skills, thinking out of the box and communicating. • UNIX\​Linux: Ubuntu, RHEL. • Microsoft Server: 2008R2, 2012, 2012R2. • Databases: MS SQL, MySQL • Continous integration and deployment: Git, svn, jenkins, ansible; Azure TFS. • Build Engineering for: Java, .Net applications. • Scripting: bash, T-SQL, PowerShell, vbs, XML, HTML, JavaScript, CSS. • Virtualization: Oracle VM VirtualBox, VMWare, XenServer. • Web Server: IIS, Apache2. • Distributed proactive monitoring: nagios, alchemy eye. • Infrastructure: Active Directory, DNS, DHCP, TCP/IP, Firewall. • Microsoft Deployment: SCCM, Orchestrator, OSD. • Enterprise-level Security Solutions: Trend Micro, Websnsense Solutions.

$5.00 /hr
0 hours

Esteban Hernandez

Esteban Hernandez

Esteban Hernandez

Costa Rica - Tests: 5

General Overview Linux Administrator with 5 years experience I am seasoned enough to know to acknowledge when I do not know something, or do not have the answer. There is never “one way” to do something, and no matter how a problem is solved, there is always a better solution. Enjoy challenges and learning. I will not charge for learning general technologies that have application beyond a contracted project. I believe in the power of the web. I believe in the power of cloud computing, and SaaS. Willing to do oncall 24x7 immediate availability. Experience Cloud Services: Amazon Web Services EC2 Elastic IP Console Manager I have recently completed a number of production server deployments to Amazon Web Service (AWS). Each migration included building a new AMI as well as exports/imports of production data. SVN migration to AWS (centOS) dotProject migration to AWS (centOS) Bugzilla migration to AWS Linux (Centos, Ubuntu, Solaris, Suse, Red Hat) Worked for software development company for 4 years maintaining and deploying a wide variety of systems and applications including: LAMP, Bind DNS, PHP, apache, mysql, LDAP, Nagios, Cacti, fortigate firewalls, Joomla, wordpress, Plesk, Jboss4, Tomcat, Oracle, PXE Installs, Vmware, Virtual Box, red hat spacewalk, Bacula, Oracle and Mysql migrations, shell scripting and general sys admin work maintaining and monitoring the data center with over a 100 servers. HP (Technical Account Manager): 1 year experience handling Level 3 linux cases with US based customers, main point of contact between HP and the clients communicating via Email, phone or video chat, helping them resolve the cases from beginning to end engaging engineers from 3rd party software if required and keeping constant communication between the parties.

78% Job Success
$22.22 /hr
71 hours

Rafael Orteu

Unix/Linux System Administrator


Certificate Advanced English (CAE) by Cambridge SSCNA - Sun Solaris Certified Network Administrator SSCSA – Sun Solaris Certified System Administrator ITILv2 - Foundation Certificate in IT Service Management Knowledge OS: Linux (Red Hat, CentOS, Fedora, Debian, Ubuntu), Unix (Sun Solaris (9,10,11). Web Server: Apache HTTP Server, MS IIS. Application Server: Apache Tomcat, JBoss, Weblogic, OAS. Virtualization: VMWare 4/5, Oracle VM, Oracle VirtualBox. Clustering: Sun Cluster, Heartbeat Linux HA, JBoss Cluster, Apache Tomcat Cluster, Oracle Clusterware, RHCS. Monitoring: Nagios (Centreon), Cacti. Storage: Hitachi USP VM, Hitachi HUS, NetApp FAS-2050. Networking: TCP/IP, CISCO (ASDM), BlackDiamond (ExtremeWare), Firewall-1, Fortigate. Software: BIND, LDAP.

$10.00 /hr
0 hours

Tamer Embaby

Tamer Embaby Agency Contractor

UNIX, Linux, Open Source Expert

Egypt - Tests: 4

I have embraced and worked with Open Source since 1997. I worked as C programmer for 5 years, then I move to UNIX administration and professionally worked with Solaris, RHEL, SuSE, FreeBSD and OpenBSD. Integrating solutions working on WebLogic, JBoss, Tomcat, WebSphere, Apache, Nginx and others. Moved to UNIX/Linux and cloud infrastructure, and managed a team of 20+ engineers. Designing solutions architecture based on open source and propriety software.

Associated with: UNIX in Egypt

$34.44 /hr
0 hours

Alexandr Klokov

Alexandr Klokov

unix/linux system administrator

Russia - Tests: 5 - Portfolio: 2

I really like Linux and Unix. I first read about these systems in magazine while studied in school in 2000 year. I longed to know more about it, but at this time I could not find it in my town. Everywhere was Windows... I hadn't computer and Network. I watched in the cinema at the hackers who quickly knock on the keyboard and typing commands in a black console, and was sure that someday I will like they :) Then I finished schooling and entered the University, the faculty of information technology with the hope of finding it. But even there it was absent... I finished University at 2008 as an engineer, system programmer. But without experience immediately after receiving the diploma I was hired as an engineer for software testing (QA). But there I finally found a Linux! My first distributive of linux was self-compiled from sources - Gentoo. I install it to my home desktop 3 weeks, because I had never worked with Linux. I deliberately chose Gentoo is to get in-depth knowledge and experience. So, I began to delve with these systems in 2008. First as an QA-engineer, then I was promoted to system administrator, because self studied to working with linux. In my work I was manage other Linux-systems (debian, ubuntu, centos, rhel, also Sun Solaris and AIX). But after Gentoo and QA's habit to delve in everything... for me very easy was manage these servers with running services ( some proprietary and opensource programs, such as Squid, Bind, Postfix, Apache, Mysql, IBM DB2, IBM WebSphere, Atlassian Jira, Zimbra, etc) . Therefore in 2013 I came to other company as an experienced specialist in Linux. Here I work with over 40 servers of clients (mostly specialize in Nginx+PHP-fpm, Apache, Postgresql on Ubuntu/Debian/CentOS, but had to deal also with other systems and technologies) Yep, now I can very quickly knock on the keyboard blindly and write commands in black console, such as hackers in the cinema :) So, I'm evolving a professional with over 5 years experience and after this story are easy for me any Linux- and Unix-systems and any software on it. I like this my interesting job and I get fun with it. If you need for your projects the someone, who could to understand and show you the insides of your systems or solve interesting problems in any level, also on-going support for the smooth work of your servers, then I am at your service. If you try to work with me now, while I do not have feedback, rate will not grow as fast for you, than at time when I will have feedback Regards, Alex.

$10.00 /hr
0 hours

Hesham Hosney

Hesham Hosney Agency Contractor

UNIX/Linux Systems Professional

Egypt - Tests: 8 - Portfolio: 10

thanks for viewing my profile "Honesty and professionalism is my way to success" I'm communications and electronics engineer graduated from faculty of engineering Alexandria university. Diploma in software engineering from information technology institute in Egypt. Red Hat Certified Engineer CCNA Routing & Switching(200-120) strong knowledge in UNIX and Linux systems administration I wrote many automation,optimization,installation and Validation Bash Shell Scripting that provide Solutions on Linux Platform familiar with Networks and applications that runs on Linux/UNIX Platforms I have solid programming experience on System Programming and C under UNIX

Associated with: itianyol33

67% Job Success
$22.22 /hr
201 hours