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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, 131 CentOS projects are completed every quarter on Upwork.

131

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 4.86.

4.86
Last updated: September 1, 2015
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  1. 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
  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. Jean-Jack Riethoven

    Jean-Jack Riethoven

    Bioinformatics Analyst, Perl Programmer

    United States - Tests: 2

    Bioinformatics scientist with 19+ years experience. Particular interests are large-scale data analysis, bioinformatics pipelines and infrastructures, and finding direct application fields of bioinformatics/computational biology research. Specialties: massively parallel computational pipelines, alternative splicing, (next-gen) sequence analysis, de-novo genome annotation, bioinformatics WebServices, Perl/DBI/CGI/SOAP/WSDL, APL, Unix system administration.

    $30.00 /hr
    0 hours
    0.00
  4. Vladimir S.

    Linux System Administrator/DevOps/Chef/Puppet/Ruby/RoR/Git/AEM

    Belarus

    Have experience: - Infrastructure as code with Ansible, Chef, Puppet. - Build Continuous Integration and Continuous Delivery System by Jenkins - Programming languages: bash shell, Ruby - Config, manage open source such as mysql, apache, nginx, vagrant. - Monitor system with Zabbix tool

    $11.11 /hr
    0 hours
    0.00
  5. Oleg Cataraga

    Oleg Cataraga

    Network / System Engineer

    Canada - Tests: 2

    I have an experience of 7 years in Networking and System Administration. Strong knowledge in administrating Unix like operation systems and Windows OS. Good knowledge in Bash scripting Experienced in RF equipment. My knowledge and critical thinking, along with the experience gained over the years, have always helped me to find a fast and reliable solution for any issue occurred. I possess knowledge in: - Cisco switching and routing - Satellite Networking, VSAT - UNIX administration and Bash scripting - VMware ESX managing via CLI - Automation using TestShell and Ranorex - Windows Server, PowerShell - Ixia traffic generator using IxLoad and IxExplorer - VoIP technology, Asterisk server, SIP, RTP

    $10.00 /hr
    0 hours
    0.00
  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. 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
  8. 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
  9. Artem Lalaiants

    Artem Lalaiants

    Linux System Administrator

    Ukraine - Tests: 3 - Portfolio: 2

    I'm a highly competent and organized Linux System Administrator with more than 4 years of experience in Linux Administration, hosting environment and maintenance of production and development servers. In-depth knowledge in management and configuration of Linux based servers, development of HA systems and security policies. Fascinated with automation of processes in shell and Python. - Linux maintenance (CentOS, Debian, Ubuntu, CoreOS, RHEL); - Cloud hosting (Amazon EC2, RDS, S3, DigitalOcean Droplets); - Virtualization: (VirtualBox, Vmware, Openvz, Xen); - Web servers (apache, nginx); - Databases (MySQL, PostgresQL); - Monitoring (zabbix, nagios) - Mail servers (postfix, sendmail, antispam/ antivirus: clamav/spamassassin/amavis, courier, dovecot); - Networking (DHCP, DNS, VPN, OpenVPN, firewalls: iptables/ipfw, qos, proxies); - Python programming. Graduated from V.N. Karazin Kharkiv National University, Kharkiv, Ukraine, Department of Complex Information Technologies. Have a master's degree.

    $10.00 /hr
    0 hours
    0.00