CentOS Freelancers

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CentOS Job Cost Overview

Typical total cost of Upwork CentOS projects based on completed and fixed-price jobs.

Upwork CentOS Jobs Completed Quarterly

On average, 148 CentOS projects are completed every quarter on Upwork.

148

Time to Complete Upwork CentOS Jobs

Time needed to complete a CentOS project on Upwork.

Average CentOS Freelancer Feedback Score

CentOS Upwork freelancers typically receive a client rating of 4.85.

4.85
Last updated: May 1, 2015
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  1. Isiah W.

    Isiah W.

    Expert Linux System Administrator

    United States - Last active: 1 day ago - Tests: 7

    I am a Linux System Administrator with extensive experience in all facets of server configuration, maintenance and monitoring. I can provide expert assistance with all flavors of Linux and Windows. My core attributes are end-to-end support of high-availability enterprise Linux environments. I am seeking opportunities to fix server related issues and improved performance on any system that you have. I also have experience in MySQL, PHP, Apache, Nginx, Wordpress, Joomla and HAProxy.

    $55.00 /hr
    7 hours
    5.00
  2. Igor C.

    Igor C. Agency Contractor

    RIA (Flex|AIR|ActionScript|Flash),(FMS|Red5|Wowza), (J2EE|PHP),(MySQL)

    Moldova - Last active: 1 day ago - Tests: 7 - Portfolio: 15

    I am an RIA (Adobe Flex|AIR|ActionScript 3.0|Flash), Streaming Server (FMS|Red 5|Wowza), RDBMS (MySQL|MSSQL|Informix|Firebird), CMS (Alfresco|Sitefinity), J2EE, PHP developer with good applied experience. I have worked on a number of complex RIA/Game/Enterprise projects and apply the different patterns. I would like to participate in an interesting project where I can apply my skills. I always work towards providing quality work results and create as much optimal solutions as it is possible.

    Associated with: Web Epoch Interactive Inc. Agency, IT_MOLDOVA

    $34.44 /hr
    9,199 hours
    4.75
  3. mohammad kamruzzaman

    mohammad kamruzzaman Agency Contractor

    Full stack web developer and VoIP Engineer, FreeSWITCH, ASTPP,Kamailio

    Bangladesh - Last active: 7 hours ago - Tests: 1 - Portfolio: 2

    i am a full stack web developer and server administrator (FreeSWITCH) i have experiences on Django (python), Codeigniter (php), MongoDB, ElasticSearch, postgres, redis, rabbitMQ, celery, mysql, nodejs. you can hire me if you need to implement a distributed VoIP enabled service based on freeswitch/kamailio that is ready to scale. i am also doing newfies-dialer customization and maintenance for a long while. and also i will take projects like PBX, IVR, autodialer development. i have open source project customization experiences, for example, FusionPBX,Newifes-dialer,Astpp,vBilling,kazoo, Kannel

    Groups: Twilio

    Associated with: DT software house, NGS

    $40.00 /hr
    2,514 hours
    4.56
  4. Danish Ahmed

    Danish Ahmed Agency Contractor

    Linux Guru/MAC Expert/Server Specialist/Technology Consultant

    Pakistan - Last active: 1 day ago - Tests: 7 - Portfolio: 18

    Over the last 6 years, I have worked on a wide range of Servers Operating System Administration and Configuration. My core competency lies in providing complete support of Server administration and User support, and I am seeking opportunities to provide corporate support to utilize my skills and strength. I have good experience in the following Servers: Microsoft Windows Server 2000, 2003,2008 R2, Redhat Enterprise Linux, CENTOS 5.4, Fedora, Ubuntu, Oracle Enterprise Linux, OpenSUSE, OpenSolaris, MySQL, Microsoft SQL Server, etc SYSTEM ADMIN SKILLS (LINUX) - Install. Configure, Maintain Various Linux Destribution (Fedora, Redhat, Ubuntu, Ubuntu Server, CentOS, OpenSUSE. - Labtech working experience - ConnectWise working experience - VMware vSphere 4 / ESX 4 - VMware Virtual Datacenter configuration - VMware Expert. - SONICWALL Firewall Configuration - Administration Amazon EC2/S3 - ElasticFox Work experience - Plesk Server administration (Migration etc.) - Install and Configure IBM TSM Server 6.1 - Oracle E-business Suite Patching and Cloning - Backup and Restore Databases. - Install and COnfigure SSL certificates. - Managing and Administration of VPS servers. - Domain and Hosting Administration (Plesk, Cpanel, Webmin) - GamePanelX configuration (OpenSource Game Server Panel) - Install, Configure, Maintain MAC OS X. - Install, Configure, Maintain BIND Server - Install, Configure, Maintain DNS Server on windows server - Install, Configure, Maintain Webserver (Apache, IIS) - Install, Configure, Maintain FTP - Install, Configure, Maintain Mailservers (Exchange Server, Postfix, Dovecote, Sendmail, Qmail) - Install, Configure, Squid Server - Install, Configure, Maintain Linux based Firewall - Configure ISAPI Rewrite on II6 for User Friendly URL for SEO - Configure Rewrite mode on Apache Server. - Install, Configure, Maintain OpenLDAP. - Install, Configure, Maintain Active Directory. - Install, Configure, Maintain CMS. (Joomla, Wordpress) - Configure and Troubleshoot Pleask, Cpanel. - Configure and Troubleshoot IPTables. - Configure and Troubleshoot Samba server - Install, Configure and Maintain (MRTG, Cacti, PRTG) - Install and Configure Project management System - Deploy Helpdesk System. - Design Network Infrastructure. - Implement System and Network Security - Install, Configure and Maintain Antivirus Server (Trendmicro, Kaspersky) - Configure Bandwidth Splitting on Squid. - Implement and Design Virtualization (Hyper-V and Vmware) - LAMP Server Installation. - Ubuntu Kernel Panel Recovery - Amazon EC2 Instance Configuration - Backup and Restore Databases (SQL, MySQL) - SAN/RAID management - Open Source Firewall ADministration (pfSense, Zentyal/ebox, Endianfirewall) - SSL installation and configuration - Wordpress troubleshooting - CentOS VPS administration - Dedicate Server Management - WHM/Cpanel Administration - WHM/Plesk server security implementation - Domain Migration - Server Migration - IPtables Administration SYSTEM ADMIN SKILLS (MICROSOFT) - MCSE - MCSA (Preparation) - MCTIP (Preparation) - MS. SharePoint 2007, 2010 (Preparation) - MS. Exchange 2007, 2010 (Preparation) - SBS 2008 (Preparation) - MS SQL Administration - ISA 2004, 2006 and TMG (Preparation) - MICROSOFT PROJECTS -Deploy and Configure SBS 2003 -Deploy and configure SBS 2008 -Migrate SBS 2003 to SBS 2008 -Deploy and configure Active directory 2000, 2003 and 2008 -Migrate Active directory 2000 to 2003 and 2003 to 2008 -Deploy, Design and configure Exchange 2000, 2003, 2007 and 2010 -Migrate 2003 to 2003, 2003 to 2007, 2003 to 2010 and 2007 to 2010 (complete Migration) -Deploy, Design and configure SharePoint 2007 and 2010 - Migrate SharePoint 2007 to 2010 -Deploy, Design and configure ISA 2000, 2004, 2006 and TMG 2010 -Migrate ISA 2006 to TMG 2010 -Deploy and configure SQL 2000, 2005 and 2008 (Administration) -Deploy and configure WSUS server -Deploy and configure IISA 6 and IIS 7 -Deploy and configure Microsoft SCCM 2012 (on process) -Deploy and configure forefront Security antivirus 2010 -Deploy and configure LYCN 2010 SEO SKILL SEM/SEO Consultants, SEO Services, PPC, Friendly URL, keyword analysis and selection competitive site analysis keyword density analysis optimization of site content optimization of meta tags, page titles, and descriptions inbound and outbound link placement internal linking strategies site submission Website Design and Development. My MCP Virtual Business Card: https://www.mcpvirtualbusinesscard.com/VBCServer/DanishAhmed/interactivecard

    Groups: Microsoft Certified Professionals

    Associated with: EraNext, GetMediaWise Agency

    $30.00 /hr
    4,314 hours
    4.82
  5. Pavel Piatruk

    Pavel Piatruk Agency Contractor

    Linux system administrator

    Belarus - Last active: 6 days ago - Tests: 11

    I have great experience in * Linux maintenance (RHEL, Debian, Ubuntu) * Virtualization: (Vmware, Openvz, Virtuozzo, Xen, KVM), * Cloud hosting (Amazon EC2, AWS, S3), * Networking (dhcp, DNS:powerdns/bind/named, vpn: openvpn/pptp, firewalls: iptables/ipfw, qos, proxies), * Web servers (apache, nginx, lighttpd, tomcat), * Mail servers (exim, postfix, qmail, antispam/ antivirus: clamav/spamassassin/amavis, courier, dovecot), * Bulk marketing (Dkim, spf, high speed/inboxing, interspire), * Automation (puppet, perl/shell/awk scripting), * Monitoring (nagios, zabbix), * Hosting panels (Cpanel/WHM, Plesk, Directadmin). Java, J2EE, Maven, JUnit(DTDUnit, JMock, StrutsTestCase, DBUnit), apache commons, SQL (pl-sql/MySQL/ORACLE/MS SQL), HTML, JS, AJAX, CSS, Spring, Struts, Tiles, ORM/Hibernate, XML, XSLT, Jasper, Ant, JMeter

    Groups: Bluehost Developers and Designers

    Associated with: JazzTeam, NK Support

    $27.78 /hr
    1,307 hours
    4.84
  6. Soni M.

    Soni M. Agency Contractor

    PostgreSQL Database Admin-Developer

    Indonesia - Last active: 1 day ago - Tests: 7 - Portfolio: 12

    - Expert in providing smart business solution, cost effective, profitable and timely manner to give best service in industry with guaranteed satisfaction. - Strongly motivated professional participated in multiple big projects, joining and managing large teams, and effective co-worker. Over the last 3 years, I have managed and developed a wide range systems in database solutions such as : common database administration (advanced query, stored procedure, reporting, view, trigger and function, backup and restore, etc), database system automation, data migration, database testing, database replication and clustering using Pgpool-II, Slony, Pacemaker and Postgresql 9 Streaming replication, disaster recovery, database system monitoring, database maintenance, data reporting using Jasper Report and many more. My current job also includes : crond, enterprise linux administration, cloud service, mongodb, sSMTP, server clustering, DRBD, Pacemaker, Corosync, Heartbeat, and many more. I also have some experiences in the following areas: Wordpress, PHP, HTML, CSS, javascript, VB, C# programming. All service will be delivered with 100% satisfaction guaranteed.

    Associated with: ANT Group

    $30.00 /hr
    1,750 hours
    4.98
  7. Rajneesh Rana

    Rajneesh Rana Agency Contractor

    LAMP Server administrator, PHP, CakePHP, wordpress

    India - Last active: 1 day ago - Tests: 26 - Portfolio: 7

    Web development languages and platforms:- * PHP * Jquery * Javascript * CSS * HTML, XHTML * Wordpress * Cakephp * php and asp.net CMS * Custom CMS Major areas of expertise: * Microsoft Windows Servers * Linux servers - CentOS , Ubuntu , Debian * Apache, nginx, IIS * DNS servers * FTP Servers * Mail servers * cPanel Hosting * Website Panel * WHM * Webmin / Virtualmin

    Groups: Bluehost Developers and Designers

    Associated with: Netgen IT Solutions Private Limited

    $16.67 /hr
    5,266 hours
    4.97
  8. Oleksiy T.

    Oleksiy T. Agency Contractor

    Senior Java Developer, Senior System Engineer

    Ukraine - Last active: 1 day ago - Tests: 3

    For last 5 years I have been developing several large-scale web applications as a part of the team. My main responsibilities were: Development and improvement of Seam-based web applications; New features development; Prototyping using shell scripts; Development and optimization of server-side components; Creating Selenium tests used for regression testing; User Experience Improvement. Also I have done a few small Swing-based UI projects. I have experience in: Core Java, Ajax, TestNG Framework, Selenium, Shell Scripting, JavaScript, OOP/OOD.

    Associated with: Gold Sky

    $50.00 /hr
    5,769 hours
    4.96
  9. Jupinder Singh

    Jupinder Singh Agency Contractor

    Mobile Application with 2D Games

    India - Last active: 1 month ago - Tests: 4

    I am passionate about to developing a Mobile application development specially 2D games and hybrid technology. I have more then 6 years of experience in UI/ UX interface and mobile apps. I am always on top of the current design trends and keep myself updated about latest mobile and tablets design patterns.

    Associated with: Antier Solutions Pvt. Ltd.

    $16.00 /hr
    393 hours
    4.70