CentOS Freelancers

Showing 361 freelancers

CentOS Freelancers

Showing 361 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, 138 Centos projects are completed every quarter on oDesk.

138

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 4.84.

4.84

Last updated: March 1, 2015

  • Senior Linux System Engineer

    Skills/Technologies: Apache, Nginx, Haproxy, Nagios, Zabbix, Postfix, Dovecot, MySQL, PostgreSQL, Redis, Git, Bash, Xen, OpenVZ Virtualization, IPtables, Shell Scripting, Troubleshooting, Bind, Squid, Samba, PHP Scripting, Chef, Puppet, Deep MySQL+PHP+Apache/Nginx optimization, CI. Environment building/configuration: Jira + Confluence … more

    Skills/Technologies: Apache, Nginx, Haproxy, Nagios, Zabbix, Postfix, Dovecot, MySQL, PostgreSQL, Redis, Git, Bash, Xen, OpenVZ Virtualization, IPtables, Shell Scripting, Troubleshooting, Bind, Squid, Samba, PHP Scripting, Chef, Puppet, Deep MySQL+PHP+Apache/Nginx optimization, CI. Environment building/configuration: Jira + Confluence + Crowd + Stash/Bamboo. OS: CentOS, RedHat, Gentoo, Debian. Eugene is ready to build/optimize your company's IT infrastructure, environment architecture, build Continuous Integration and product environment using world lead Atlassian Jira/Confluence/Crowd/Stash/Bamboo products. Also he is providing hosting and personal system engineering consultations. Eugene have more than 10 years background in system engineering, network building, HA, virtualisation, HA storage, databases, email servers, web servers but also in advertisements and entrepreneurship. In 2006 he founded developed and built successful advertising network using media panels installed in city buses Odessa, Ukraine.  less

    linux-system-administration database-administration network-administration lamp-administration php centos mysql git nginx 00 more less
    • $25.00 HOURLY RATE
    • 5.0
    • 0 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 2 TESTS
  • Senior System Administrator

    Hello, I'm a System Administrator with 6+ years experience. I have worked earlier with hosting companies like hostpro.ua, 1gb.ua, hostclear.com, justhost.com and SingleHop.com. I've great experience with WordPress, cPanel/WHM, Plesk and server … more

    Hello, I'm a System Administrator with 6+ years experience. I have worked earlier with hosting companies like hostpro.ua, 1gb.ua, hostclear.com, justhost.com and SingleHop.com. I've great experience with WordPress, cPanel/WHM, Plesk and server configuration (Bind, Postfix, Apache, MySQL, FTP and etc) + Virtualization OpenVZ Also I know CentOS and Ubuntu rather good (installation and configuration of software like ffmpeg, 3dproxy, Maldet, OpenVPN, Bugzilla and etc) Also I've a good experience with Nginx + PHP-FPM + Nginx Cache + Varnish Cache Currently I work remotely as a system/server administrator at RipaMedia Inc. I love my job and also I like to help people like you :)  less

    linux-system-administration mysql ubuntu wordpress cpanel plesk windows-administration whm domain-migration ffmpeg openvpn openvz centos nginx virus-removal lamp-administration clamav load-balancing nagios varnish-cache memcached 00 more less
    • $22.22 HOURLY RATE
    • 4.9
    • 127 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 1 TEST
  • Senior Systems & Network Engineer

    With over 15 years of experience in the IT field, having worked at some of the most demanding environments as a Senior Unix System administrator (FreeBSD/Linux) and a Security expert. I specialize in complex ISP based *nix installations, corporate … more

    With over 15 years of experience in the IT field, having worked at some of the most demanding environments as a Senior Unix System administrator (FreeBSD/Linux) and a Security expert. I specialize in complex ISP based *nix installations, corporate Mail servers, large high traffic Web servers, Database servers and large ZFS based storage solutions. I have extensive knowledge in Virtualization technology. I have being involved with various types of Cloud solutions especially with OpenStack and CloudStack and KVM I like to deliver fast results with great quality and I never overcharge my clients.  less

    freebsd security unix-system-administration vpn linux-system-administration centos rhel solaris-administration firewalls mail-server-implementation apache-administration amazon-ec2 virtualization mysql 00 more less
    • $30.00 HOURLY RATE
    • 5.0
    • 540 HOURS
    • GREECE
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 10 TESTS
  • System and Neytwork specialist

    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 … more

    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.  less

    itil network-security linux-system-administration vmware-esx firewalls pfsense centos nagios vpn cisco-asa 00 more less
    • $11.11 HOURLY RATE
    • 5.0
    • 0 HOURS
    • SRI LANKA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 3 TESTS
    ASSOCIATED WITH:
  • Linux, Unix, VMware, Nagios, Apache, Postfix, MySQL, WHM/cPanel

    Hello, Over the last 12 years, I have worked in the Internet service provider company, software development company and IT Training School. My major expertise is in general Linux/Unix, VMware vShere Hypervisor and vCloud Infrastructure and networking and systems … more

    Hello, Over the last 12 years, I have worked in the Internet service provider company, software development company and IT Training School. My major expertise is in general Linux/Unix, VMware vShere Hypervisor and vCloud Infrastructure and networking and systems administration and environment architecture. My Core Competencies are: Networking: dhcp, dns: bind/named, vpn: pptpd, openswan, firewalls: iptables, csf, apf, pf Web server: apache, nginx Mail server: Postfix, antispam/antivirus: ClamAV, SpamAssassin, Amavis, Dovecot Database: MySQL, PostgreSQL Monitoring: Nagios, Munin Hosting panel: WHM/cPanel, ISPConfig Windows 2003/2008 Server Windows 2003/2008 Active Directory Windows 2010 SP1 Exchange VMware vShere and vCloud: ESXi, vCenter, vCloud Director, vShield Vendor Certifications: CNI (Certified Novell Instructor - March 2005) LPIC-1 (Junior Level Linux Professional - October 2003) MCT (Microsoft Certified Trainer - October 2003) MCSE (Microsoft Certified Systems Engineer - October 2001) If you take me into considiration, I'm available on Skype, G.talk and E-mail for any informal interview or skill test. Looking forward to hearing from you. Regards, Kristijan Spionjak  less

    unix-system-administration freebsd windows-administration postfix postgresql mysql apache-administration iptables nginx clamav spamassassin nagios munin whm cpanel vmware-administration vmware-esx vpn ubuntu centos raid-administration network-administration linux-system-administration 00 more less
    • $22.22 HOURLY RATE
    • 5.0
    • 2223 HOURS
    • CROATIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 4 TESTS
  • RHEL / CentOS System Admin, AWS, WHM/Cpanel

    Handling unmanaged VPS, Dedicated Server with core console (Terminal). -Giving sites maximum Uptime. -Implementing new policy and maintain backup and backend server. -Prevent from websites hack (SQL Injection, FTP bypass, Brute force on SSH Tunnel ) -Maintain All site on Nginx … more

    Handling unmanaged VPS, Dedicated Server with core console (Terminal). -Giving sites maximum Uptime. -Implementing new policy and maintain backup and backend server. -Prevent from websites hack (SQL Injection, FTP bypass, Brute force on SSH Tunnel ) -Maintain All site on Nginx and Kloxo with limited sync time. -Manage shop cart Zencard and Magento site on servers and make server compatible . Penetration Testing: -Client side attacks - Server side attacks - Web applications vulnerability scans - Custom exploiting techniques - Social engineering  less

    linux-system-administration penetration-testing mail-server-implementation mysql dns squid security network-security apache-administration node.js subversion nginx centos iptables ssh ubuntu 00 more less
    • $17.86 HOURLY RATE
    • 5.0
    • 381 HOURS
    • INDIA
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 3 TESTS
  • Linux , Cisco ,Vmware , Voip, firewall , security specialist

    I want to utilize my knowledge, skills and professional experience in order to contribute to the growth of the company I am working for whilst improving myself. SKILLS:network engineer ,system administrator(RedHat,CentOS,FreeBSD,OpenBSD,WIndows 2000,2003 server … more

    I want to utilize my knowledge, skills and professional experience in order to contribute to the growth of the company I am working for whilst improving myself. SKILLS:network engineer ,system administrator(RedHat,CentOS,FreeBSD,OpenBSD,WIndows 2000,2003 server), cisco certified specialist(CCNA) Configuration of CISCO routers and switches,firewalls,servers:cisco 36xx,65xx, series,ASA firewall 55xx series, Implementation , configuration,design ,troubleshooting of basic routing protocols(BGP,EIGRP,RIP,OSPF,QoS,MPLS,HSRP,VRRP,GLBP) , Security: IPsec and many vpn solutions,certificate setup 1 Web servers - Apache 2.x,nginx,Squid proxy 2 Mail servers -Postfix,qmail ,sendmail,Mdaemon 3 FTP servers -WuFTPD,Vftpd 4 DNS –bind version 9 ,VPN (Openvpn, IPSEC implementation ) 5 DATABASES-Sql,mysql,postgresql,sqlite 6 LVM ,RAID(0,1,5,10) configuration 7 Experinece in network monitoring tools:Nagios,MRTG ,Cacti  less

    network-administration freebsd cisco-routers openbsd cisco-voip cisco-asa cpanel linux-system-administration unix-shell nagios snmp windows-administration helpdesk-support apache-tomcat firewalls vpn tcp-ip virtualization dns mail-server-implementation postfix openvpn mysql nginx squid translation-turkish-english cisco-ios translation-russian-english translation-english-russian translation-english-turkish smtp ssl wordpress drupal ubuntu centos ssh asterisk 00 more less
    • $20.00 HOURLY RATE
    • 5.0
    • 916 HOURS
    • GEORGIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 18 TESTS
    GROUPS:
  • Linux administrator with website migration and development experience

    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 … more

    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  less

    linux-system-administration bash-shell-scripting domain-migration mysql php centos lamp-administration dns wordpress cpanel 00 more less
    • $15.00 HOURLY RATE
    • 4.9
    • 10 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 5 TESTS
    ASSOCIATED WITH:
  • Senior Linux Administrator / Virtualization /Asterisk / VoIP / cPanel

    I am a senior technical engineer who has 15 years IT experience in the following areas: Advanced Linux Cluster Administration Advanced Knowledge of shell scripting Advanced Knowledge of Perl programming Network Administration Network Security (Penetration Testing) Server Auditing Technical Support … more

    I am a senior technical engineer who has 15 years IT experience in the following areas: Advanced Linux Cluster Administration Advanced Knowledge of shell scripting Advanced Knowledge of Perl programming Network Administration Network Security (Penetration Testing) Server Auditing Technical Support Virtualization (mainly Parallels Virtuozzo/openVZ/ProxMox) Web hosting Control panels such as cPanel,Plesk,DirectAdmin Tweaking and Optimizing Apache for better performance Hardening PHP Data recovery Asterisk/Trixbox/Elastix/VoIP solutions.  less

    linux-system-administration asterisk mysql cpanel whm centos samba apache-administration perl security nagios bash freepbx trixbox 00 more less
    • $44.44 HOURLY RATE
    • 5.0
    • 6595 HOURS
    • EGYPT
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 7 TESTS
  • System Administrator

    I'm a System Administrator with 5 years of experience. Also, I have couple cPanel certificates: https://university.cpanel.net/c-summary.php?code=zzqd-532226 Currently I'm FreeLancer I can very quickly master the new system, suggest some alternative solutions … more

    I'm a System Administrator with 5 years of experience. Also, I have couple cPanel certificates: https://university.cpanel.net/c-summary.php?code=zzqd-532226 Currently I'm FreeLancer I can very quickly master the new system, suggest some alternative solutions etc. I'm young and experienced Linux Administrator. I can help you with server installation/configuration, recommend some hosting providers etc. I like to learn new technologies or improve my knowledge with old ones. I don't bid projects which I won't be able to complete as others do.  less

    cpanel apache-administration ftp mysql whm technical-support linux-system-administration centos amazon-ec2 nagios 00 more less
    • $22.22 HOURLY RATE
    • 4.6
    • 717 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 6 TESTS
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