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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. Oubram Mohamed

    Oubram Mohamed Agency Contractor

    Asterisk/Elastix/Freepbx/VoIP/Chan Dongle/Raspberry/Network specialist

    Morocco - Last active: 5 months ago - Tests: 3 - Portfolio: 2

    i am a VoIP specialist dealing with Asterisk and voip billing Asterisk based servers: Freepbx Elastix A2billing and Kamailio. i have collected much experience in installing and configuring VoIP servers and giving support for costumers during my last job position at Voipmaroc and Nogafone. during my last jobs i was charged to deploy a voip call center based on Elastix for DYARelmansour , a construction company leader in Morocco , and a call center ViciDial for EIGENVALUE based in Morocco and for many end user of IPBX appliances and customized IPbx installations based on asterisk. I have setup many Asterisk servers for many customers in Freelancing and Deployed many Gsmgateways and Asterisk based Gsmgateways. I have also installed and deployed Raspberry and Huawei Dongles as Cheap Gsmgateways . besides , i have Also setup some complex VoIP topologies for call Routing and Terminations via VPN . my diplomat at network engineering and Centos Linux experience helped me to devolope my skills in VoIP. i am ready to serve.

    Associated with: BRAMZ, BlueGoose Tech

    $21.11 /hr
    232 hours
    5.00
  2. Kaspars V.

    $44.44 /hr
    113 hours
    5.00
  3. Alexandru V.

    Alexandru V.

    Senior Linux Administrator

    Romania - Last active: 20 days ago - Tests: 4 - Portfolio: 2

    * Fully manage the installation, configuration and troubleshooting of Linux servers * Install and configure Web Servers and MySQL * Install and configure customer scripts and programs * Monitor performance to identify and resolve issues using a suite of systems and tools. * Troubleshoot and resolve network, system, hardware and software problems. * Achieve quick fixes and / or long-term solutions as needed. * Maintain 100% customer satisfaction through all available means.

    $20.00 /hr
    122 hours
    4.99
  4. Francisco Salazar

    Francisco Salazar

    Senior Web Developer & SysAdmin, WordPress Speed Optimization Expert.

    Venezuela - Last active: 7 days ago - Tests: 14 - Portfolio: 12

    Web Designer / Developer / System Administrator with 12+ years experience in CentOS, Ubuntu, Redhad, Amazon Web Services AWS, VPS and cloud platforms. Strong knowledge of open source CMS ( Magento, Wordpress, Drupal, Joomla ). Rich experience in speeding up WordPress websites, on shared hosting or dedicated servers, helping your sites ranking up higher in Google search engine.

    $25.00 /hr
    983 hours
    5.00
  5. Ruslan K.

    Ruslan K.

    Magento PHP/MySQL WebDeveloper, SeoSpecialist

    Ukraine - Last active: 2 months ago - Tests: 23 - Portfolio: 7

    Over the last 9 years, I have developed a wide range of websites using HMTL, CSS, PHP and MySQL, Centos/Fedora webserver administration and optimization for high perfomance, Wordpress, Drupal, PrestaShop and Magento, SEO and GoogleAdwords, including sites for startup companies, small businesses and financial companies (invest funds and forex brokers). My core competency lies in complete end-end management of a new website development project, and I am seeking opportunities to build websites from the ground up for you or your business. I also have some experience in the following areas: SQL, Ajax, OOP, software design, Unix, Amazon EC2 & CPanel, Apache & nginx. Reasons to hire me: +actually, I like my work; +I'm sociable & friendly; +highest quality; +my goal is to satisfy your needs due to my specialty.

    $20.00 /hr
    0 hours
    5.00
  6. Shaukat N. Agency Contractor

    Odesk ❶ Consultant | Network/System Admin | Database | Cloud Computing

    Pakistan - Last active: 3 days ago - Tests: 17 - Portfolio: 8

    To start with, my background, qualifications and work experience in networking, systems engineering and security appear to be well suited to your specific requirements. I hold a Masters Degree in computing with specialization in Network Security and Databases along with that I hold certifications ranging from "MCSE-MCITP" to "RHEL" and from "CCNA" to "Juniper". I am confident that I can make a significant contribution to your company, specifically by providing excellent technical services and support to your company and clients. My achievements range from setting up and installing top-notch network solutions for various companies as a consultant to providing support for WINDOWS, UNIX based hardware/ software solutions. Further my background includes over 5+ years of Systems and Network Administration activities across a number of Offline and Online Projects along with reputed organizations. I have had extensive VMware and VCenter administration experience migrating virtual machines using both Physical to Virtual (P2V) and Virtual to Virtual (V2) strategies. This included a project team that covered over 250 migrations over an 18 month period. I have also supported and managed a large high availability Citrix environment and a high availability Microsoft SQL server 2008 cluster. In previous positions I had significant exposure to Microsoft Active Directory and LDAP environments as well as some virtualization experience using VMware and Cisco hardware along with Linux Upfront. The Cisco virtualization included administration of the Nexus 1000V virtual switches.

    Associated with: Destra Soft, CyberPak Technologies

    $20.00 /hr
    4,094 hours
    4.97
  7. Sunil P.

    Sunil P. Agency Contractor

    Sr. Web Developer, Project manager (PMP)

    Canada - Last active: 3 months ago - Tests: 2 - Portfolio: 7

    Ranked in Top 10 Canadian Odesk Consultants from August 2013! More than 500 oDesk hours! Sr. Web Developer and Project Manager(PMP) helps you create intellectual websites that leaves better impression on your brand.

    Groups: LoadedCommerce

    Associated with: Irena Software Inc. Agency

    $75.00 /hr
    728 hours
    4.98
  8. Iovcho Iovchev

    Iovcho Iovchev

    System Administrator

    Bulgaria - Last active: 19 days ago

    I have over 7 years experienced and broadly-skilled System Administrator (Linux and Windows Administration) . I am extremely customer service oriented and dedicated to the tasks I'm doing. Please find below some of my areas of expertise: -Control Panel ( WHM,Plesk, Webmin, Cpanel, Kloxo, ISPConfig, etc); -Email server ( Postfix, qmail,Zimbra,Dovecot,Send-mail, Exim and troubleshooting with protocols - IMAP(s) SMTP(s), POP3(s)); -Visualization (KVM, XEN, vmware, virtual-box, OpenVZ); -Malware issue fixing, Internet Security; -Server performance optimization (Apache, MySQL); -Server security (VPN, firewall, iptables); -Server Monitoring (Nagios, NRPE, MRTG, Cacti and other);

    $3.00 /hr
    0 hours
    5.00
  9. Sarath S.

    Sarath S.

    Linux Webhosting System Administrator

    India - Last active: 6 days ago - Tests: 2 - Portfolio: 2

    Over the last 5 years, I've been working with a Web Hosting support company, where I had to handle cPanel/WHM, Direct admin, Plesk (basic windows hosting), Apache/Litespeed, MySQL, basic PHP, Exim, DNS(bind9) and many other applications and cloud servers . Has experience in setting cPanel based cloud Linux with all the server hardening’s and also have the basics of bash scripting. Have experience in both voice and ticket support system(WHMCS, OsTicket etc). Can handle tickets with least response time and with good technical resolution and customer satisfaction since I'm having another 1.5 years of exp in BPO voice support for a Multi National Company. I've experience and have configured LDAP, R1 soft backup for cPanel accounts, duplicity backups etc. I also have experience in setting up Linux servers, installing custom scripts, hardening the server etc. I also have knowledge in OpenVZ, xen and VMware virtualization. Has experience in configuring the said virtualizations. I'm an expert in Nagios monitoring and with various other monitoring tools. TECHNICAL DATA SUMMARY: -COMPLETE LINUX SERVER MAINTENANCE/TROUBLESHOOTING (RHEL, Centos, Debian, Ubuntu) -VIRTUALIZATION: (Vmware, Openvz, Virtuozzo, Xen, KVM, vserver) -CLOUD HOSTING (Amazon EC2, AWS, S3) -NETWORKING (dhcp,DNS:powerdns/bind/named)VPN: openvpn/pptp FIREWALL: 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) -MONITORING (zabbix, Nagios ) -HOSTING CONTROL PANELS (Cpanel/WHM, Plesk, Directadmin) -MIGRATIONS/TRANSFERS (Websites, Emails and Application migrations with zero or no downtime guaranteed) CUSTOMER/CLIENT GENERAL WORK NATURE SUMMARY: -Always available in case of emergency just a ring away(Has both Mobile and landline number). -Has setup multiple monitors in twinview mode which helps to multitask easily and helps in reducing the ticket response times. -Experience in BPO has improved my customer satisfaction skills. I always believe in the fact that a Customer is always the king. -Fast and reliable internet connection with a standby emergency WiFi network. -Two laptops(Ubuntu and Windows) and a desktop in case of emergency. -Flexible work hours and is ready to work on weekdays too. -Trustworthy and transparent work. -Will provide daily shift reports in a well formatted way. Sit back and relax while I handle your SERVERS!!!!!

    $7.77 /hr
    358 hours
    4.69