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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, 136 CentOS projects are completed every quarter on Upwork.

136

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: July 1, 2015
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  1. Bogdan daniel S.

    Bogdan daniel S.

    VCP, MCSA, Exchange, Vmware, HyperV, Servers Expert Admin

    Romania - Last active: 1 day ago - Tests: 8 - Portfolio: 1

    10+ years experience in Information Technology (IT) Major areas of expertise: VMware and Microsoft virtualization technologies. Designing and implementing fault-tolerant virtualization clusters SAN and NAS systems (iSCSI, FC) Windows 2003 / 2008 / 2012 Server * Active Directory * Microsoft ISA Server and TMG * Clustering * MS Windows XP/Vista/7/8 desktop/workstation operating systems * Centralized anitivirus systems WSUS * TCP/IP, Switching and Routing * Firewalls IBM, HP, Dell Servers * DNS, DHCP, Wins * Print Server * File Server * Network and Servers documentation * LAN hardware/software administration, design, installation and configuration * Print Server * LAMP Administration * Linux services : squid, postfix, dovecot, firewall, ldap, mysql, nagios, dhcp, bind etc Certifications: MCP - Microsoft Certified Professional MCSA - Microsoft Certified Systems Administrator VCP - Vmware Certified Professional VCP-510 * VCA-DCV - Vmware Certified Associate Data Center Virtualization.

    Groups: Microsoft Certified Professionals

    $22.22 /hr
    2,643 hours
    4.68
  2. Denis C.

    Denis C.

    Expert System Engineer

    Moldova - Last active: 1 month ago - Tests: 9

    PROFILE – A self-motivated and committed system administrator with exposure to a wide range of technical areas, focused on delivering best experience to the end-users – Nine years of experience in administering business–critical application stacks such as banking software, middle-ware, billing systems, Telecom-specific applications; troubleshooting complex issues, managing both production environments and databases of highly respected companies – Performed upgrades planning, software developing and documenting the knowledge – Highly adaptable and quick to learn new skills – Six years of customer service experience MAIN TECHNICAL SKILLS O/S: HP-UX, SunOS, AIX, RedHat, CentOS, Debian – installation/configuration Software: MySql Server – installation/configuration Apache Web Server – installation/configuration Nginx – installation/configuration Apache Tomcat – installation/configuration Redhat JBoss Application Server – maintenance Oracle WebLogic Application Server – maintenance Oracle Tuxedo – maintenance Oracle Database – maintenance CVS – codebase maintenance HP Quality Centre – configuration/maintenance SSH Server – installation/configuration Telecom–specific Billing Applications (Amdocs Ensemble, Oracle BRM) – maintenance Oracle VM VirtualBox – installation/configuration Languages: Python – 1.5 years Perl – 3 years AWK – 4 years Shell Scripting – 5 years SQL (mysql and Oracle) – 4 years Java – 0.5 years PROFESSIONAL EXPERIENCE – Billing System Engineer, Team Lead (3 persons in submission): 2010 - 2013 – Software Developer: 2008 – 2010 – Senior System Engineer: 2003 – 2008

    $16.67 /hr
    0 hours
    0.00
  3. Roman Gorshunov

    Roman Gorshunov

    UNIX/Linux Systems Administrator

    Slovakia - Last active: 1 month ago - Tests: 3

    I'm just starting my career on oDesk, that is why price per hour is so low. === Be the first to hire me! === What I would like to do as a freelancer at oDesk: - Provide Operating systems environment support for Application/DB services teams - Automate routine tasks - machines should work, people should think - Reviewed and implemented High/Low level designs - Package Applications with RPM and automated OS installation/setup Projects I have been participating in which am I proud of: - Completed design and deployed four high availability clusters for Oracle databases and applications on Red Hat Enterprise Linux; wrote work instructions and trained services support specialists - Completed design and implementation for IBM AIX cluster based on p740, AIX 6.1 and PowerHA - Run a storage migration project, migrated Terabytes of data from old to the new Storage system without applications downtime

    $14.44 /hr
    8 hours
    3.00
  4. Nathaniel Jennings

    Nathaniel Jennings

    Linux Administrator/Engineer

    United States - Last active: 14 days ago - 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
  5. Serhii H.

    Serhii H.

    Linux system administraor

    Ukraine - Last active: 4 days ago - Tests: 3

    Can consult for free, skype: goodhoster My blog: http://webnoob.info Linux system administrator with experience of server administration 9 years. Possesses self-discipline, responsibility and the ability to work with the minimum of supervision. Logical mind and solution to the problems of any complexity. A proven ability to administer and control the operation, configuration and maintenance of linux servers, as well as having an eye for detail and able to multi-task under pressure. Having experience of Shell/Bash script writing, XEN/KVM/OpenVZ virtualization. Can relate well with people at all levels and has the flexibility of working well as part of a team and on my own.

    $11.11 /hr
    49 hours
    5.00
  6. Robin J.

    Robin J.

    Server Administrator and Automation Expert Linux / Windows

    India - Last active: 15 days ago - Tests: 2

    Approx 4 years of experience in the field of Server Administration of Linux/Unix/Solaris/Windows. Good experience in the following points: Full Server Installation and configuration with the latest patches Hardening server Server security Server optimization Live server migration Server monitoring Expertise areas: 1. Linux Server Distributions (RedHat, CentOS, Fedora, Ubuntu) 2. WebServers (Apache/Litespeed, Nginx, Tomcat, Jboss) 3. Hosting Control Panel (WHM/C-Panel, Direct Admin,ISPConfig, Plesk Panel) 4. Monitoring Tools (Nagios, Cacti, Mrtg, Prtg) 5.Server Security (Iptables, CSF, Rkhunter, Chkrootkits, SSHD, TCP Wrapper) 6. Database (MySql, Oracle) 7. Mail Server (SendMail, Exim Mail, Zimbra, QMail) 8. Virtualiation (Virtuozoo, Hyper-V, OpenVz, Xen) 9. Scripting (Bash Shell) 10. Other: DNS, DHCP NFS, FTP, Smabha, Telnet, Ldap, NIS

    $12.00 /hr
    152 hours
    4.96
  7. Samuel C.

    Samuel C.

    Support Analyst

    Brazil - Last active: 17 days ago - Tests: 4

    Over the 8 years, I have experience in support to the user for the hardware and software: - Installation, configuration of sharings of nets, print servers, roteadores, switches and wireless; - Installation, configuration and maintenance in computers with Windows or Linux; - Installation, configuration and maintenance in printers with and without net; - Knowledge in net administration and protocols of communication; - Solid knowledge in the operational platform Windows Server and Linux server. I also have experiente in pentesting and and audit of web application security: SQL Injection, XSS, Session Hijacking, and others.

    $11.11 /hr
    0 hours
    5.00
  8. Taeseer Ch

    Taeseer Ch

    cPanel, Parallel, SolusVM, OpenVZ, Linux/Windows, Sharepoint, Exchange

    Pakistan - Last active: 8 days ago - Tests: 1 - Portfolio: 11

    6 Years to experience in Linux/Windows Server Administration. My hands own experience includes: cPanel Parallel Plesk Panel OpenVZ Website Panel SolusVM XEN Spam Experts Spam Control Expert CudaMail Apache LAMP MySQL MS SQL Server Softaculous Cloud Flare Simlink Prevention Application Firewall DNS Management Active Directory Migration MS SQL Database Migration Linux/Windows IT Support Virtualization(Xen, OpenVZ, SolusVM, Hyper-V) SharePoint Administrator MS Exchange Qmail Mail Enable MySQL Clustering SSL As a professional I believe in quality of work rather then quantity, and try my best to satisfy client/customer.

    $12.00 /hr
    0 hours
    5.00
  9. Ashwani K.

    Ashwani K.

    Sr. System/Netrwork Engineer

    India - Last active: 1 day ago - Tests: 10 - Portfolio: 5

    Career Objective: To work in an organization which can help me to utilize my skills and gives a scope to enhance my skills? I desire to work in stimulating team environments that promote the interchange of ideas. I have the aptitude to quickly master in new technologies. Profile: As a Trainee, I have completed intensive full time training program in CCNA, MCSE, RHCE, VMware & ITIL and having the below Networking & Hardware technical skills Specialties: anti virus, auditing, backup, ccna, cisco routers, computer hardware, computer troubleshooting, customer relations, desktop pc, dhcp, dns, drivers, eigrp, engineering, english, ethernet, firewalls, frame relay, ftp, hindi, iis, ip, lan, languages, linux, macintosh os, microsoft access, microsoft mail, microsoft outlook, microsoft windows, microsoft windows 2000,

    $10.00 /hr
    0 hours
    5.00