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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

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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. 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
  4. 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
  5. Aljosa B.

    Aljosa B.

    Senior Linux Administrator

    Bosnia and Herzegovina - Tests: 13

    I’m highly experienced in installing, configuring and maintaining different flavours of Linux, mostly Red Hat, CentOS, Debian and Ubuntu. I also have in-depth knowledge of virtualization platforms such as VMWare(both Workstation and vSphere) and Xen. During my career, I gained extensive knowledge in configuring different services such as configuring Apache and Nginx with PHP to handle high loads (mostly using php as FastCGI), then configuring and maintaining MySQL databases – optimizing, locating slow queries, backups, disaster recovery, etc. I’m also very knowledgeable in configuring Postfix and Dovecot as well as ClamAV and SpamAssasin for fighting e-mail spam and malware. My other abilities include configuring NetFilter firewall, OpenVPN tunnels, SSH, Samba, FTP and Linux kernel tweaks as well as configuring SELinux for enhanced security. My area of interest is also intrusion detection such as detecting web application break-ins by exploiting common flaws such as SQL, command and code injection. Aside from that, I’m also experienced in preventing Distributed Denial of Service Attacks (DDoS) on various services. During my job as IT security stuff i also had much time to work as a penetration tester/ethical hacker. Mostly experienced with Acunetix, Nessus, OWASP, Metasploit , Hydra, nmap and Saint. I’m also familiar with Web Hosting Panels such as cPanel and Plesk. I’m also experienced in installing and configuring popular web applications such as WordPress, Joomla and Drupal to the point of being able to create simple web sites. When it comes to Windows platform, I have extensive knowledge of Windows Workstation OSes and solid knowledge of Windows Server OSes.

    $11.00 /hr
    0 hours
    0.00
  6. Enrico Espela

    Enrico Espela

    Senior Network Engr. / System Administrator -Lead

    Philippines - Tests: 2

    My Name is Eric and i am currently working as System Administrator-Lead in a prestigious Company in US. I am from Philippines and i am looking for a home based part time job to sustain my family needs. My responsibility is to maintain, install and troubleshoot Windows Servers from Server 2008, 2008R2 and Windows Server 2012 R2. I am also responsible in setting up Sharepoint, Exchange Server 2010 and Lync Server 2013. I can also manage Linux Servers like ubuntu, Centos and Fedora. I am also responsible in maintaining AWS instance such as EC2, VPC, ELB and S3

    $10.00 /hr
    0 hours
    0.00
  7. Asfer Saleh

    Asfer Saleh

    Windows & Linux, Network, Database & VOIP Administrator

    Bangladesh - Tests: 4

    Expert in Server/PC/Notebook/Netbook/VPS running Microsoft Windows Server 2000/2003/2008/2012, MS-DOS, Notepad, WordPad, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Access, Microsoft FrontPage, Microsoft Outlook, Outlook Express (All versions), Windows Mail, MYSQL/MSSQL Server, Web designing, 3CX/Grand Stream, CISCO VOIP Server, IP Phone, MRTG/Whatsup etc Monitoring Tool, HDD physical & logical bad sector repair, Partition Convertion and resizing, O/S Restoration/Recovery , Bootable OS CD/DVD-Writing, Making a pen drive bootable, Data Backup and restore, Data recovery, Logical Volume Cloning, Basic and fail-safe virus check with Antivirus with latest update, System devices Diagnosis, Network Administration Internet Gateway Server, Email (POP3, IMAP, SMTP) Server, Website Server, NAT Server, RIS Server, Terminal Server, Remote Access Server, Print Server, File Server, Microsoft Exchange Server, PXE Server for PXE boot ROM client, WIFI Router, WIFI Access point, Managed/Unmanaged switch, DHCP Server, WINS Server, DNS Server, Domain Controller Server etc.], Software application Installing, configuring, administering and troubleshooting using Linux, Solaris and all versions of Microsoft's operating systems all other built-in administrative tools with any Microsoft operating system for large or small medium enterprise organizations.

    $11.11 /hr
    0 hours
    0.00
  8. Anatoliy Kartashov

    Anatoliy Kartashov

    System - network administrator (FreeBSD, Linux, Cisco)

    Russia - Tests: 11

    Over the last 5 years I work as a network system administrator. - manage distruted network, set up network services and develop my network. - set up cisco, Linux and FreeBSD routers, mail servers, proxy, web servers, traffic monitoring system (netflow) - make secure communication between offices with ipsec vpn, cisco dmvpn, cisc0-linux vpn; - set up firewalls; - radius authorization for wifi users.

    $15.56 /hr
    0 hours
    0.00
  9. Matt Palmer

    Matt Palmer

    Linux System Specialist

    United States - Tests: 3 - Portfolio: 1

    My name is Matt and I am a Linux system specialist and I specialize in web development, programming, remote technical support and advanced network administration. It’s always been my passion to be working around servers and networking equipment. I also have experience in setting up and maintaining different controls panels such as Cpanel/WHM CentovaCast WHMCS DirectAdmin Clientexec, onApp and SolusVM.

    $14.00 /hr
    0 hours
    0.00
  10. Hisham Faraj

    Hisham Faraj

    IT Infrastructure & Support Administrator

    Lebanon - Tests: 1

    Operating Systems: Windows 98/NT/XP/Vista/7/8 All Versions, Windows 2000 Windows 2003 Server, Windows Server 2008, Windows Server 2012 ,MikroTik Os (Router Os), PfSense Firewall Os , FreeNas NAS OS, MAC OSX. Networking: LAN Protocols (IP, DNS, DHCP, NFS, IPv6), WAN Technologies, FTP, SMTP, web access with certificates, Active Directory Services, Network Cabling, VPN, Wireless, CCTV, Access Cards. Hardware: IBM, Dell, Gateway, Toshiba, Compaq, HP, Epson, D-link, Linksys, 3M, Net Gear,QNAP , Memory, Modems, Motherboards, NIC, PCMCIA, I/O devices, Networks Devices, Routers Switches, SAN, Peripherals, Cabling, Printers, Scanners, NAS Drives, Firewalls, Laptops, Desktops and Servers. Software: MS Exchange 2003/2010, Active Directory, Terminal Services, IIS, MS Office 2003/2007/2010/2013, MS ISA 2004,MS Forefront Threat Management Gateway, MS Windows 2003 SBS,Apache Web Server, WAMP Server, Bitnami, ColdFusion ‘Basics’, Dreamweaver ‘Basics’, VMware Workstation, Various Backup & Migration Software (Acronis), Various Antivirus, Business Tools: HR Related software (attendance management) & Microsoft Dynamics Installation and Administration. Parking Management system installation and administration. Spice works installation and administration. (Helpdesk, remote assistance, IT & networking Inventory). Good Knowledge on Jail breaking IOS Systems (iPhone 3-4-5, iPad). Firmware upgrades & updates of all Android Devices (Samsung, HTC and Sony) & Blackberry devices. Application installations and minor fixes for the above phones. Arduino programming and assembly of arduino electronic projects.

    $10.00 /hr
    0 hours
    0.00