Linux System Administrators & Developers

Showing 1,625 freelancers

Linux System Administrators & Developers

Showing 1,625 freelancers

Get Your Linux System Administration Project Started Today!

Post your Linux system administration project on oDesk and find Linux experts and system administrators to assist you with your Linux server installation, configuration, maintenance and technical support tasks. These experienced consultants can manage your Linux network and infrastructure security or perform backups and security scans or updates and identify threats on your Linux OS system. They can also deploy web applications, eCommerce systems and content management systems on your Linux server, or migrate your virtual machine to a physical Linux server. You can also find a professional Linux sysadmin, experienced in system monitoring and control tools, to manage and optimize your Linux-based server farm.

Linux is a collection of free and open-source, cross-platform, Unix-like operating system distributions, among which the most widely known are Ubuntu, Red Hat and Slackware. On oDesk, the world’s largest online workplace, you can find experienced Linux system administrators to set up dedicated Linux web servers, install web hosting control panels (like ZPanel, Plesk, cPanel or DirectAdmin), set up SQL databases and file managers or configure Linux server security and accounts.

Browse Linux System Administration job posts for project examples or post your job on oDesk for free!

Linux System Administration Job Cost Overview

Typical total cost of oDesk Linux System Administration projects based on completed and fixed-price jobs.

oDesk Linux System Administration Jobs Completed Quarterly

On average, 638 Linux System Administration projects are completed every quarter on oDesk.

638

Time to Complete oDesk Linux System Administration Jobs

Time needed to complete a Linux System Administration project on oDesk.

Average Linux System Administration Freelancer Feedback Score

Linux System Administration oDesk freelancers typically receive a client rating of 4.78.

4.78

Last updated: April 1, 2015

  • Embedded Linux developer

    Linux kernel developer: writing kernel device drivers, porting kernel to new platforms. Author and ex-maintainer of S3C2416 (Samsung's ARM-based SoC) support in mainline kernel. Co-founder and former kernel developer in the OpenInkpot project (open source firmware for eInk e-book … more

    Linux kernel developer: writing kernel device drivers, porting kernel to new platforms. Author and ex-maintainer of S3C2416 (Samsung's ARM-based SoC) support in mainline kernel. Co-founder and former kernel developer in the OpenInkpot project (open source firmware for eInk e-book readers, now abandoned). Good skills in Linux system and network administraton. I have expierence in creation of custom Linux distributions (mainly for embedded systems) and build-systems. Embedded development: hardware prototyping, firmware writing. I have expierence with many (ARM,MIPS,PowerPC)-based SOCs, AVR microcontrollers, digital schematics design and debugging. Languages: C, Ruby, Unix shell, JavaScript, assembler for various archs... My patches in various OpenSource projects: http://bit.ly/1e4ad7z github repos: https://github.com/jekhor?tab=repositories  less

    embedded-linux driver-development embedded-systems atmel-avr c embedded-c ruby ruby-on-rails linux-system-administration 00 more less
    • $22.22 HOURLY RATE
    • 4.7
    • 164 HOURS
    • BELARUS
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 2 TESTS
  • Linux / Windows System Administrator

    Hi, My name is Leonid Kuznetsov. I have earned a Master's Degree in IT at the Moscow State University of Instrument Engineering and Computer Science. I clearly understand ITIL processes, clustering, HA systems, and how important is system monitoring … more

    Hi, My name is Leonid Kuznetsov. I have earned a Master's Degree in IT at the Moscow State University of Instrument Engineering and Computer Science. I clearly understand ITIL processes, clustering, HA systems, and how important is system monitoring. At the moment I'm working in the Lithuanian energy sector. My #1 goal will always be to meet your needs and deadline. When working on a new project, I like to speak with the client, so that I can have a clear understanding of his/her needs and vision of the project. I'm honest and fair. Listed below are my experience and skills. Operation systems: Win servers - 2003, 2008, 2012 (AD, DC, DNS, DHCP, Proxy, RAS, NAT, GPO, RDP, WSUS, KMS, TS and many more); Linux - Debian, Ubuntu, CentOS, RHEL, Oracle Linux, SUSE (LAMP, LEMP, BIND, puppet, proxy, samba, winbind, webmin, postfix, dovecot, ftp and file servers, firewalls, monitoring, AppArmor, SELinux, Grsecurity, etc); UNIX - HP-UX; Virtualization: VMware, Hyper-V; Cloud services: AWS, Linode, Rackspace, MS Azure; Web servers: apache, nginx, IIS; Web control panels: cPanel, Plesk, ISPConfig; System monitoring: cacti, zabbix, nagios, monit, Oracle Cloud Control 12c, System Center Operations Manager 2012, HP SIM; Logs analyze/monitoring: Splunk, enVision; DB: MySQL; Network: Routers, switches, VPN, VLAN, WLAN, firewalls; Backup SA experience: Symantec NetBackup 7.5, CA ARCserve 15, EMC Avamar 6; SAN systems knowledge: SVSP, HP EVA, 3PAR; Other applications/technologies: Aegir, BOA, Zentyal, ClearOS, Zimbra, Openfire, MS Lync, OpenVPN, FreePBX, Redmine;  less

    linux-system-administration lamp-administration windows-administration network-administration apache-administration dns nginx amazon-web-services virtualization mysql 00 more less
    • $20.00 HOURLY RATE
    • 5.0
    • 102 HOURS
    • LITHUANIA
    • LAST ACTIVE
    • 4 PORTFOLIO ITEMS
    • 7 TESTS
  • Senior Linux System Administrator

    Providing administration and technical support to web hosting clients via chat and ticketing. Handle different levels of technical issues with servers. Optimizing the server. Familiar with Vituozzo, WHM and cPanel. Configuring and managing users groups, permission levels etc. Backup and … more

    Providing administration and technical support to web hosting clients via chat and ticketing. Handle different levels of technical issues with servers. Optimizing the server. Familiar with Vituozzo, WHM and cPanel. Configuring and managing users groups, permission levels etc. Backup and Recovery of servers. Installation and Administration of Apache, PHP, MySQL. Apache, PHP recompilations to add-on new modules. Excellent experience in various webhosting and Cloud platforms including AWS / Azure / Vcloud / Rackspace etc. I can also handle development tasks using php, codeignitor, Magento, Wordpress etc.  less

    cpanel linux-system-administration plesk virtuoso mysql phpmyadmin mail-server-implementation apache-administration exim php 00 more less
    • $16.67 HOURLY RATE
    • 5.0
    • 132 HOURS
    • INDIA
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 2 TESTS
  • Migration expert\Linux System Administrator

    Hello. I'm self-motivated Linux system administrator with 7 years experience. I have great experience in: - Linux maintaince/troubleshooting: Debian, Centos, Gentoo, Ubuntu, RHEL, CoreOS - Web Servers: Nginx, Apache, Unicorn - Linux serverside: iptables, rsync, named, OpenVPN and most of common … more

    Hello. I'm self-motivated Linux system administrator with 7 years experience. I have great experience in: - Linux maintaince/troubleshooting: Debian, Centos, Gentoo, Ubuntu, RHEL, CoreOS - Web Servers: Nginx, Apache, Unicorn - Linux serverside: iptables, rsync, named, OpenVPN and most of common and uncommon tools. - Monitoring: Zabbix, Nagios/Icinga, Munin, Cacti, Monit - Hosting providers : Softlayer, Hetzner. - DB: MySQL, Percona XtraDB Cluster, PostgreSQL, Redis, MongoDB - Backup/Migration - Mail servers: Postfix, Exim, Sendmail, Dovecot, Courier - Hosting panels : plesk, whm\cpanel, ISP , DirectAdmin - Virtualization: Xen(solusVM) , KVM, OpenVZ + ovz panel, Proxmox, Vagrant, Docker. - CMS : Wordpress, drupal, magento. - Ruby/ node.js APPS  less

    linux-system-administration bash system-automation data-backup lamp-administration network-administration windows-administration joomla cpanel whm cakephp phpnuke plesk nagios nginx iptables memcached 00 more less
    • $22.22 HOURLY RATE
    • 4.8
    • 927 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 2 TESTS
  • Experienced Web server and Unix system adminstrator

    I am a highly experienced Web and Linux System Adminnistrator. Been working for 14 years effectively on my choosen fields. My expertise includes: Unix system administration, Web server administration, configuring, performance tuning, website and server migration, maintenance, quick problem diagnosing … more

    I am a highly experienced Web and Linux System Adminnistrator. Been working for 14 years effectively on my choosen fields. My expertise includes: Unix system administration, Web server administration, configuring, performance tuning, website and server migration, maintenance, quick problem diagnosing, server/service backup plan developing, integrating and monitoring. I am working into the following technologies: Linux: Debian, Ubuntu, RedHat variatives Web Server: nginx, apache Application server: php-fpm Database: mysql, MariaDB, mysql replication Caching: memcache, nginx cache, frameworks caching extensions Virtualization: vserver, openVZ, lxc, KVM, VMWare, ProxMox Montoring: pinba, Zabbix, AppDynamics Database Monitoring. Backup: Idera Server Backup, rdiff-backup, duply, custom written scripts in bash/python Web frameworks: Drupal, symfony Linux tuning: sysctl, iptables, ... Coding scripts: shell/bash, python Delphi and Assembler coding skills, Windows desktop program writing skills. WinAPI knowledge. Reverse engineering skills: x86-64, Motorola 68HC12 family, PowerPC, Siemens C166 family, Java/Android decompilation.  less

    linux-system-administration nginx performance-tuning reverse-engineering desktop-applications x86-assembler delphi network-programming multithreaded-programming 00 more less
    • $20.00 HOURLY RATE
    • 5.0
    • 151 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 4 PORTFOLIO ITEMS
    • 5 TESTS
  • System Engineer

    With nearly 10 years of experience with Unix like operating systems and almost half of that working professionally as Linux system engineer for both rpm and deb based distros, I'm able to work on jobs involving: - Advanced *NIX system … more

    With nearly 10 years of experience with Unix like operating systems and almost half of that working professionally as Linux system engineer for both rpm and deb based distros, I'm able to work on jobs involving: - Advanced *NIX system administration, - Bash, PHP and Python scripting, - LAMP administration, - Development (Python's Scrapy and Django frameworks), - Databases (MySQL, Postgres, SQLite), - Cache databases (Redis, Memcache). While working at my last job I have developed strong sense for teamwork, communication with colleagues, pinpointing problems and overcoming them. Also, I'm proud to say that my dedication, responsibility, multitasking and optimism are my personal values which got me where I am today.  less

    linux-system-administration bash-shell-scripting mysql apache-administration nginx php python ubuntu angularjs scrapy-framework 00 more less
    • $17.78 HOURLY RATE
    • 5.0
    • 155 HOURS
    • SERBIA
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 5 TESTS
  • Amazon AWS/Linux/Security Expert

    The last 10 years I developed the whole IT infrastructure in large publishing house company, implemented domain, mail, documents workflow, and web services for 500+ company employees. List of operational systems and technologies I have used the last ten years … more

    The last 10 years I developed the whole IT infrastructure in large publishing house company, implemented domain, mail, documents workflow, and web services for 500+ company employees. List of operational systems and technologies I have used the last ten years: Dedicated Servers and VPS setup, configuration, security - both Windows and Linux. Work with CentOS, Ubuntu, Debian, Amazon Linux, FreeBSD, Windows 2003/2008/2012 Servers. Server administration Panels, setup and configure - Plesk, DirectAdmin, Cpanel, Webmin, WHMCS. MySQL, MSSQL, Apache, IIS - setup, configuration, optimize for performance. Wordpress - performance optimization, security, migration.  less

    amazon-ec2 cisco-routers domain-migration linux-system-administration centos whm cpanel wordpress 00 more less
    • $27.78 HOURLY RATE
    • 5.0
    • 181 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 11 TESTS
  • RedHat certified Network and Database Administartor with 1+ year exp

    I am having more than five year of experience in handling LAMP servers. I am currently working in Amazon EC2 environment. Posses sound Network Administration and trouble shooting skills and know exactly the pain of down time. Proven experience in … more

    I am having more than five year of experience in handling LAMP servers. I am currently working in Amazon EC2 environment. Posses sound Network Administration and trouble shooting skills and know exactly the pain of down time. Proven experience in complex work environment and have enthusiasm in adapting to new technologies. Constantly updating and reviewing my knowledge to suite for recent technologies  less

    linux-system-administration mysql postgresql amazon-ec2 lamp-administration atlassian-jira bash sw-configuration-management 00 more less
    • $11.00 HOURLY RATE
    • 5.0
    • 289 HOURS
    • INDIA
    • LAST ACTIVE
    • 3 PORTFOLIO ITEMS
    • 5 TESTS
  • System Administrator / DevOps

    12+ years of experience in administration of servers powered by the Linux and FreeBSD operating systems. Full time independent contractor during the last 4 years. * CentOS, Debian, RHEL, Ubuntu; FreeBSD, OpenBSD * AWS, Digital Ocean, Hetzner, Linode * Ansible * Apache, lighttpd, nginx … more

    12+ years of experience in administration of servers powered by the Linux and FreeBSD operating systems. Full time independent contractor during the last 4 years. * CentOS, Debian, RHEL, Ubuntu; FreeBSD, OpenBSD * AWS, Digital Ocean, Hetzner, Linode * Ansible * Apache, lighttpd, nginx, uWSGI * MySQL, MariaDB, PostgreSQL * Postfix, Dovecot, Postgrey, SpamAssassin, ClamAV, OpenDKIM * Docker, KVM, libvirt, LXC, OpenVZ, Vagrant, VirtualBox, Xen, FreeBSD jails * DNS: BIND, NSD, PowerDNS * LVM, DRBD, Heartbeat * Load balancing: haproxy, keepalived, nginx * Quagga, Open vSwitch, iptables, ipfw, pf, bonding, bridging * VPN: StrongSwan, OpenVPN, Racoon * Sensu, Nagios, Munin, SmokePing, Monit, Collectd * SAN: HP MSA, IBM DS * Backups: duplicity, rsnapshot, bacula * Python (Boto, Django, Scrapy), Ruby, shell, PHP * cPanel/WHM, WHMCS (designed and developed from scratch a registrar module for an unsupported domain registry)  less

    python devops linux-system-administration amazon-ec2 unix-system-administration firewalls mysql network-administration tcp-ip unix-shell 00 more less
    • $40.00 HOURLY RATE
    • 5.0
    • 1588 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 11 TESTS
  • Senior Linux Administrator

    * Fully manage the installation, configuration and troubleshooting of Linux servers * Install and configure Web Servers and MySQL * Install and configure customer scripts and programs * Monitor performance to identify and resolve issues using a suite of systems and tools. * Troubleshoot and … more

    * Fully manage the installation, configuration and troubleshooting of Linux servers * Install and configure Web Servers and MySQL * Install and configure customer scripts and programs * Monitor performance to identify and resolve issues using a suite of systems and tools. * Troubleshoot and resolve network, system, hardware and software problems. * Achieve quick fixes and / or long-term solutions as needed. * Maintain 100% customer satisfaction through all available means.  less

    apache-administration nginx varnish-cache centos iptables linux-system-administration vmware-administration nagios vmware-esx mysql linux-slackware memcached windows-administration network-administration postgresql postfix ftp apache-solr domain-migration ssh spamassassin clamav vim openvz atlassian-confluence atlassian-jira glassfish virtualization freebsd cpanel unix-shell bash amazon-web-services amazon-ec2 amazon-s3 00 more less
    • $20.00 HOURLY RATE
    • 5.0
    • 122 HOURS
    • ROMANIA
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 4 TESTS
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