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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, 130 CentOS projects are completed every quarter on Upwork.

130

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: August 1, 2015
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  1. Max Topal

    Max Topal

    VoIP/Network/Linux Engineer

    Russia - Tests: 3

    Over 8 years hands-on experience. I have deep knowledge on VoIP Hardware and softswitches from open-source one (Asterisk, Elastix, Askozia, Freepbx, CallBox, Trixbox, Welltime, Yeastar) to licensed (Switchvox, Panasonic, Mera, RTU) . I am providing Asterisk-based PBX installation\integration, support, troubleshooting and consultations. Fully manage the installation, configuration and troubleshooting of Linux servers * Install and configure Web Servers and MySQL, PostgreSQL * Install and configure customer scripts and programs * Monitor performance to identify and resolve issues using a suite of systems and tools. * Provide VoIP Security * Troubleshoot and resolve network, system, hardware and software problems. * Achieve quick fixes and / or long-term solutions as needed. I have more than 100 successful IP-PBX server deployments, so I am confident that you will be satisfied with my work completely.

    $20.00 /hr
    0 hours
    0.00
  2. Donovan F.

    Donovan F.

    Cloud Engineer and Linux Expert

    South Africa

    I am an accomplished Systems Administrator with over 13 years professional experience building infrastructure and platforms for small web hosts, the enterprise data center and the cloud. My primary specialties are Linux systems, open source software, and cloud platforms. I began my career integrating Linux systems and varies opensource technologies for Internet Service Providers and Telecommunications providers. I realized that integrating programming/scripting into my skill set would automate and provide easy of implementation to many of my projects. Here is a brief sampling of skills and technologies I am currently (2015) working with: Linux - RHEL, CentOS, Ubuntu, and FreeBSD Datastores - MySQL, PostgreSQL, Memcached, Redis, MongoDB Monitoring - Nagios, Munin, Cacti, Shinken Management - Chef, Puppet Platforms - AWS, Rackspace, OpenStack Frameworks - Rails Lanaguages - Ruby, Python, Perl, PHP SCM - Git, SVN

    $27.78 /hr
    6 hours
    0.00
  3. Giorgi Javakhidze

    Giorgi Javakhidze

    MCITP | Vmware | Windows - Linux Systems Administrator

    Georgia - Tests: 6

    In the last 3 years, I have administered many IT networks, managing over 1000+ users. My core competency lies in complete managing of windows - linux based networks, including Active Directory, Exchange, MS-SQL, virtual clouds, based on VMware / Hyper-V and EVA Storage Area Network. I have deep experience in the following software solutions: Basic server services ( DNS, DHCP, WSUS, Vpn, etc. ) Windows 2003/2008 Server Windows 2003/2008 Active Directory Lync Server, Exchange Server, SharePoint Server. Monitoring: SCOM, Nagios Web Server: IIS, Apache Mail Servers : MDaemon, Postfix. Database: MSSQL, MySQL. Proxy / firewall solutions ( Squid, TMG, ISA ) VMware vShere and vCloud: ESXi, vCenter, vCloud Director, vShield

    $15.00 /hr
    183 hours
    5.00
  4. Evgeny K.

    .NET Team Lead

    Russia - Tests: 3

    Over 3 years of overall experience in IT field, analysing, designing and developing C# \ .NET based enterprise applications. Expert level knowledge of C# \ .NET. Excellent OO development skills, taked part in large projects, also in small and average projects too. Have architecting and designing experience, especially when working on project alone or with a small group. Experience in full development life cycle through OO Analysis/Design (sometimes used UML), to implementation, testing and deployment. Management and coordination activities of employees (have experience of leading 2-4 developer's team). Have a good experience of working with big (20+ developers, as developer) or small (1-5 developer's, as lead developer, architect) teams. Have a good experience of remote working and communicating. Programming languages and technologies: Visual Studio 2005/2008/2010, C#, .NET Framework 2.0+ (including WinForms, ASP.NET, WCF, Silverlight\WPF, LINQ, ADO.NET, Entity Framework), Web Services development (common and WCF services), WinAPI (+ P\Invoke), HTML, Javascript (+ jQuery), AJAX, CSS, T-SQL, MS SQL Server, XML (+ XSD, XSLT transformations), creating installers using WIX or standard Visual Studio install project. Microsoft Sharepoint development: Microsoft Office Sharepoint Designer, Microsoft Office Sharepoint Server (managing, administration, development), development: Web Services, Web Parts, Features, Jobs, Pages, Forms, Solutions etc.). Experience both with 2007 and 2010 versions. P.S: very interested in Haskell and Erlang projects.

    Groups: Application Developers Alliance, Coding Champs...

    $30.00 /hr
    5,772 hours
    5.00
  5. Jayson Cena

    Jayson Cena Agency Contractor

    Linux(Debian/Red Hat),Oracle DBA, Linux Cluster Admin,Virtualization-H

    Philippines - Tests: 4

    To obtain a position that will enable me to experience and learn new ideas on system administration like complicated enterprise infrastructure design specially high-availability and fault-tolerant infrastructres. My core competency lies in designing new system infrastructure using open-source software. I also have some experience in VB6, ASP, PHP. http://clusterfoundry.com

    Associated with: ClusterFoundry Agency

    $26.67 /hr
    1,137 hours
    5.00
  6. Muhammet Berdimyradov

    Muhammet Berdimyradov

    Systems and Storage Administrator

    Turkmenistan - Tests: 2

    My primary job - management of data-center infrastructure of mid-sized service provider. I operate a farm of the Sun/Oracle/HP/HDS servers, storage systems and Brocade SAN, work with a stack of the Solaris/Linux/Windows operating systems, implement vmWare vSphere virtualization solutions in production. Here at Odesk I plan to expand my knowledge base and get an additional experience in Linux/Unix operating systems and also in programming.

    $10.00 /hr
    0 hours
    0.00
  7. Joshua Andre Basarte

    Joshua Andre Basarte

    Software Developer

    Philippines - Tests: 2

    A software developer with certifications in Java SE and Agile Development, among other things, I have worked in the telecommunications industry since 2009. Creating backend applications, mainly in Java and PHP, writing scripts for stats collection and application suite health, as well as Database design are some of roles that I have taken on in my career. I also have had some experience creating proof-of-concept Mobile applications in iOS and Android, as well as researching and testing new applications as possible solutions to different problems. I look forward to facing new challenges, strengthen my skills and add new ones along the way, and hopefully create a products that are awesome and useful to the world.

    $18.00 /hr
    3 hours
    0.00
  8. Oleg Dukh

    Oleg Dukh

    System Administrator/IT Engineer

    Ukraine - Tests: 1 - Portfolio: 5

    Experience: OnApp L3 Support Engineer June 2013 – Present (1 year 9 months)Ukraine Provide 3rd line technical support to customers. Analyze and clarify customer queries though troubleshooting and researching existing knowledgebase articles/known issues. Diagnose the root cause of customer technical issues and resolve wherever possible in real time Setting up and configuring OnApp Clouds(Control Panels,Hypervisors,BackUp Servers,DataStores,CDN,Virtual Servers etc). Webmaster(Part-time) Freelancer January 2009 – Present (6 years 2 months)Lviv Worked in various number of web based Projects using Joomla, Wordpress, HTML, CSS, JavaScript etc. Template Customization depending on the clients' website requirements Websites deployment using open source toolset (PHP, MySQL, Apache, Linux and others (i.e LAMP), Debugging of code written by other developers. Search engine Optimization included creating unique title tags, meta tags (descriptions and keywords), internal navigation (footer text links, content links), and optimization of content. Ericpol Computer Systems Engineer September 2012 – May 2013 (9 months)Lviv Monitoring and updating Tickets (issues) through Incident management system based on ITIL Process; Configuration, operation and maintenance of telecommunication and Ethernet equipment; Maintaining information security in the organization; Configured and Administrate Linux servers and Desktops; Installing and configuring new hardware and software; Maintenance of office equipment; Identify and troubleshoot workstations, and more; Ukrainian Catholic University Engineer of IT Departament January 2008 – September 2012 (4 years 9 months)Ukraine Configured, installed, and troubleshoot desktop computers, peripherals, including installing and configuring the OS, internal components, peripherals and software; Diagnosed and resolved hardware, software, and network connectivity problems; Provided technical assistance for troubleshooting and configuration needs;

    $12.00 /hr
    0 hours
    0.00
  9. Nathaniel Jennings

    Nathaniel Jennings

    Linux Administrator/Engineer

    United States - Tests: 4 - Portfolio: 1

    Highly skilled general Linux Administration on all flavors, including Solaris and BSD. Thorough C/C++ System Programming understanding and experience, utilizing system calls directly to the Kernel.Can install and maintain existing installs including: RAID, SELinux, remotely manage (SSH), and utilize OpenSource OS's, including BASH Scripts, CRON jobs, custom written Kernel Modules, Python scripting for streamlining tasks, Apache administration, intranet design and implementation including NFS, software RAID, SFTP, fuse SSH drive mounting, KVM and UML optimization and installation including virtual networking (tuntap, iptables, TCPfowarding) iptables, OpenVPN, IPP2P, l7-filtering, server automation, Version Control, automated server creation. I am always willing to learn a new method or tool to complete any task desired of me. I have learned and fine tuned the most widely, in my opinion, needed tasks, but can not wait to have more experience using other technologies. Summary  Passionate autodidactic learner  Quick minded, and open to new methodologies  Attentive to detail  Methodological , precise worker  Highly motivated  Enthusiastic manual reader!  Truly enjoy troubleshooting and problem solving  Linux enthusiast  Open Source enthusiast  MAC OSX proficient  Microsoft functional (can figure out any problem with research) Education Bachelors of Electrical Engineering Tech DeVry Orlando, FL Audio Engineering ARTI Orlando, FL  Big Board installations, computer set up, audio engineering, audio work station design, synthesis, audio technologies, performance, live shows, studio design, acoustic design, digital sound design, Dolby Digital 7.1 design, digital audio theory, digital audio encoding, digital audio Plug-In design, audio software design  Linux Sound Design  Recording engineer  Mixing engineer  Mastering Engineer  Audio hardware Engineer  Logic Pro  Reason  Max/MSP  OSC  PureData Supervisor, Electrical Assistant  Worked for Contractor  Gathered and assessed inventory for job  Managed laborers  Quality Control  Industrial Electrical installations  Residential installations Jennings & Jennings, LLC.  Built Studio  Consumer Audio recording  Mix engineer  Plug-in Development  Composition  Professional music production

    $30.00 /hr
    1,668 hours
    4.03
  10. Faisal Rehman

    Faisal Rehman Agency Contractor

    Linux Systems Administrator

    Pakistan - Tests: 2 - Portfolio: 2

    System Administration is the key area I’ve enjoyed a lot to work with from the very first day when I actually started my professional career. The achievements range from setting up, installing, configuring, troubleshooting & monitoring UNIX, Solaris & Linux servers, VoIP, Web & LAMP servers especially having CentOS, Ubuntu & Red-Hat as major distributions. Specialities: System Administration (Linux, UNIX, Solaris) FTP, DNS, BIND, LAMP Apache, Tomcat, MySQL IP Tables, CSF, APF Firewalls Servers Installation: yum, RPM, Source Bugzilla, Bedbugs, Jira Web Hosting, cPanel, WHM, SSL Nagios, Zabbix, Pandora FMS Server’s Monitoring

    Associated with: techwebweavers

    $20.00 /hr
    571 hours
    4.40