CentOS Freelancers

Browse CentOS job posts for project examples or post your job on oDesk for free!

CentOS Job Cost Overview

Typical total cost of oDesk CentOS projects based on completed and fixed-price jobs.

oDesk CentOS Jobs Completed Quarterly

On average, 153 CentOS projects are completed every quarter on oDesk.

153

Time to Complete oDesk CentOS Jobs

Time needed to complete a CentOS project on oDesk.

Average CentOS Freelancer Feedback Score

CentOS oDesk freelancers typically receive a client rating of 4.85.

4.85
Last updated: April 1, 2015
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Devon Hubner

Devon Hubner

Experienced Technical Architect

United States - Last active: 09/20/2014 - Tests: 3 - Portfolio: 3

For the last 10 years I have been developing websites using HTML, PHP, and MySQL including content management platforms like Drupal, Joomla!, and WordPress. The websites and web applications I develop have been hosted in high-availability virtualized environments utilizing Enterprise Linux with Apache Web Server or NGinx. My passions are for Open Source technologies, and my core competencies include Enterprise Linux, Networking, Web development with PHP and Python, MySQL and MonogDB databases, Wikis, etc. If you have an open technology, I can help you.

$33.33 /hr
18 hours
4.91
Faisal Naeem

Faisal Naeem

Linux/Web Hosting/Mail/DNS/NMS Server Administrato...

Pakistan - Last active: 12/07/2014 - Tests: 17 - Portfolio: 8

An experienced Linux System Administrator with skills in CentOS/RHEL/Ubuntu/Fedora Server/VPS Configuration, Administration and Troubleshooting plus L2/L3 support expertise. I am having hands-on expertise to Mail / Web Hosting / Virtualization / Network Monitoring / Media Streaming / OpenGTS / DNS / FTP / Backup / Firewall Servers, Data center Administration and Server Security measures. My exposure to Amazon EC2, Linode, GoDaddy and Hostgator physical/virtual server environment is quite good. I am looking forward to utilize my experience and technical skills to offer quality work with client’s contentment. Possessing 08 years experience in Information Technology including 3.5 years experience in as System Administrator in Data Center (Systems Team) and currently working as Manager (Linux Systems). I have experience in administration of heterogeneous network with a variety of open source tools to provide an excellent IT infrastructure for organizations.

$18.00 /hr
12 hours
4.70
David P.

David P.

Sr. Systems Administrator with expertise in open s...

United States - Last active: 08/07/2013 - Tests: 1 - Portfolio: 9

Sr. Systems Administrator with broad experience in creating and managing highly available and highly transactional solutions using Linux and open source technologies. Use to wearing many technology hats, I thrive in an environment where figuring out complex problems and solutions is the norm. Specialties: server architecture, creating and managing highly available and highly transactional solutions, Linux, open source technologies. You can find me on LinkedIn here http://www.linkedin.com/in/dpeterson7 Services Offered: To provide outstanding service and support for organizations that might need: - Backup coverage for a lone system administrator. - Mentoring and training of on-site staff. - Augmentation of existing staff to provide necessary coverage or add specific skills. - Consultation of complex infrastructure changes or additions. I provide the following expertise: - Architecting, configuring, and managing of highly available and highly transactional solutions using Linux and open source technologies as well as cloud technologies like AWS. - Installing and managing the following operating systems: CentOS, RHEL, AIX, Ubuntu, Windows 2003 and 2008. - Cloud Hosting: AWS, Rackspace, Linode, DigitalOcean, and more. - Databases/NoSQL: MySQL, PostgreSQL, MongoDB, Riak, Redis, RethinkDB, ElasticSearch. - Web Servers: Nginx, Apache, lighttpd, IIS. - Applications: HAProxy, Varnish, RabbitMQ, Memcached, RedHat Clustering, heartbeat, DRBD, Memcached, Membase, MooseFS, Zabbix, Jboss, Request Tracker, iptables, APF, subversion, Confluence, WordPress, Magento, Splunk, syslog, syslog-ng, rsyslog, puppet, github, jenkins and more. - Protocols and Technologies: SMTP, SSH, IMAP, DNS, LDAP, DHCP, FTP(s), SSL, RSA, - Scripting: Linux bash shell, VBscript, PHP

$55.56 /hr
60 hours
4.96
Joshua Walker

Joshua Walker

Drupal evangelist

United States - Last active: 09/18/2014 - Tests: 3 - Portfolio: 4

I make sweet web sites and applications. I Contribute stuff to Drupal: http://drupal.org/user/433663 I Contribute stuff to CiviCRM: http://civicrm.org/extensions http://drastikbydesign.com I develop web applications for businesses small and large, many of which require e-commerce abilities, while others require even further advanced features. The majority of these sites were built using the Drupal CMS. I have also written a wide range of custom modules for Drupal to: -Register domain names for a hosting resale site - (Drupal 6) -Built ACH / E-Check payment method for USAePay gateway in CiviCRM (Drupal 6, CiviCRM 3.x) -Also built the Stripe & DataTrans payment processor plugins for CiviCRM. -Integrating various 3rd party APIs (Facebook, Linkedin, Twitter, Cake Mail, VieleRETS) Aside from working with Drupal, I also maintain several servers & optimize them for speedy, responsive sites (Just click around on http://drastikbydesign.com for a teaser).

Groups: Drupal
$55.56 /hr
101 hours
4.74
Chris Rivas

Chris Rivas

Hosting Industry Sr Linux Admin w/ RHCE, RHCVA, My...

United States - Last active: 11/18/2014 - Tests: 7 - Portfolio: 1

For more than ten years I have worked extensively in the software development and hosting industries. I am an expert Linux and Unix system engineer, and can deploy and configure any software stack that is based on Linux for optimal content delivery. I excel at MySQL database design, optimization, and administration. I am a seasoned software developer and have extensive experience with many languages including Java, Python, PHP and Ruby. I also have significant experience with customizing, deploying, and adminstering open source web applications, application frameworks, and application servers. I have worked locally, overseas, and with colleagues and clients overseas via the internet. If you look at my work history here, you will note that i 'disappeared' in February 2011. Indeed I did disappear, I was in a very bad car accident in Bangkok, Thailand, where I was living at the time, and was nto able to get out of bed or use a phone or computer for roughly a month. I now reside in Austin, TX again full-time I do not disappear typically, my present and previous employers can confirm that if you are hesitant based on feedback from 2011.

$36.67 /hr
22 hours
4.54
Marc Gray

Marc Gray

PHP/JS/HTML5 Expert Developer and Linux Administra...

United Kingdom - Last active: 08/03/2013 - Tests: 12 - Portfolio: 1

I am an expert developer and system administrator with PHP, MySQL, Javascript, CSS3, HTML5 and Linux (I currently use: RHEL, CentOS, openSUSE, Fedora. I have previously used Gentoo and Ubuntu). I have previously developed/configured: - Full eCommerce framework with innovative admin panel (PHP, Javascript) - Automated video transcoding service (PHP, Linux, ffmpeg) - Automated document conversion service (PHP, Linux) - Database driven SFTP service and firewall stored over NFS (PHP, Linux) - Differencing document storage solution (PHP) - Deduplicating backup storage solution (PHP) - Multiple fault tolerant storage servers with 12tb of space (Linux) - Multiple complex scripted firewall setups using iptables (Linux) - Flash website without Flash, with pixel perfect design and advanced effects (Javascript) - MIME Email framework to replace PHPMailer (PHP) - ... and much, much more I also work as a white-hat hacker, where I probe and test servers for vulnerabilities. I have previously been CRB checked and treat all clients with confidentiality. I am happy to sign an NDA.

$35.00 /hr
241 hours
4.92
Sampath Jayashantha

Sampath Jayashantha Agency Contractor

System and Neytwork specialist

Sri Lanka - Last active: 28 days ago - Tests: 3

Experienced graduate seeking opportunity that will allow the utilization of skills gained in the Networking and Telecommunication field. I hold excellent trouble-shooting skills due to the real time hands on experiences. As a Cisco Certified, I hold in depth knowledge on Cisco Products & networking solutions. I am looking for a role where I can develop my skills further, researching new technologies and reveling in new challenges.

Associated with: esampathj
$11.11 /hr
0 hours
5.00
Yuriy M.

Yuriy M. Agency Contractor

Linux administrator with website migration and dev...

Ukraine - Last active: 1 day ago - Tests: 5

Security analyst; Malware removal; Server securing; Server administration; Website migration; Server optimization; Website optimization. God of email. God of migration :)) 100% positive feedbacks, prooved experience and portfolio. I'm specialist of: System Administration, Linux (CentOS, Ubuntu, Debian), Security Setup, Domain Migration, Domain Fixing, Server/Website speed Optimization, MySQL, Website Development and other. My experience installing and configuring servers is about 15 years. I have several working projects developed by me and written by me. They are located on a server that is configured by me. In addition, I have experience of writing various scripts, experience network security, installation and optimization of MySQL, etc. I hope I will be the best choice to start your project from scratch, even if he plans to be heavily loaded. My primary skills: 1) Migration skills: complete domain migration from legacy to new platform, including web content, email, database, DNS. 2) SEO skills: search optimization, including server setup and source-code optimization. 3) Website creator skills: using CMS or just plain editor, experience with heavyload projects. 4) Linux system administration skills: server setup, web-servers administration(apache, lighttpd), database optimization for heavy-loaded projects. Experience with cluster system, and rpm\deb based Linuxes. 5) Security analysis skills: searching of malware, checking vulnerabilities, website security, detecting outside intrusion or leaks etc. 6) Backup and recovery skills: backup and restore webcontent, email, using my own software or generic applications. I'm seeking for following projects: 1) System administration 2) Domain migration 3) Website developpment 4) Search Engine Optimization 5) Security administration 6) Server setup

Associated with: MVN Ukraine
$15.00 /hr
10 hours
4.95