Linux System Administrators & Developers

Showing 11,851 freelancers

Linux System Administrators & Developers

Showing 11,851 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

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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

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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
    • 162 HOURS
    • BELARUS
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 2 TESTS
  • system administrator

    As a Network / Systems Engineer. I can help troubleshoot most network issues on WAN / LAN with almost any network device vendor, administer Windows and Linux server environments from one small business with multiple locations. I can also help recommend and … more

    As a Network / Systems Engineer. I can help troubleshoot most network issues on WAN / LAN with almost any network device vendor, administer Windows and Linux server environments from one small business with multiple locations. I can also help recommend and provide guidance to secure all aspects of data and network integrity, by providing assessments and audits of current environments. I has experience with a variety of software: * Distribution based on linux: debian-like, arch, gentoo, centos, etc .; windows; openBSD. Installing, configuring, updating, monitoring, detection, followed by elimination problems of hardware and software , support for up to date. * Virtualization: libvirt, kvm, virtualbox, docker, systemd-nspawnd * Firewall: iptables and others. * Vfs: samba, nfs, ftp, tftp, pxe * Various network services: ntp, dhcp, dns * Remote Access: ssh, rdp, vnc * Proxy server squid + rejik + lightsquid * Monitoring and analysis: cacti, zabbix, wireshark, tcpdump, ntop. * Print Server cups * Web server,: apache, nginx. * Database management systems: MySQL, PostgresQL, Firebird, Sqlite * Backup: rsync-based, tar, dd * More user and server software technology: * TCP/IP, OSI Programming languages: * PHP, HTML * Python, unix shell  less

    linux-system-administration windows-administration openvpn zabbix tcp-ip virtualization network-monitoring bash-shell-scripting sql firewalls 00 more less
    • $9.00 HOURLY RATE
    • 5.0
    • 5 HOURS
    • BELARUS
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 9 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
    • 100 HOURS
    • LITHUANIA
    • LAST ACTIVE
    • 4 PORTFOLIO ITEMS
    • 7 TESTS
  • System Administrator

    I am an experienced CentOS and Ubuntu Administrator specializing in Web Server and Game Server Management. I'm also experienced in many aspects of business and accounting, and have training in many different areas. … more

    I am an experienced CentOS and Ubuntu Administrator specializing in Web Server and Game Server Management. I'm also experienced in many aspects of business and accounting, and have training in many different areas.  less

    centos mysql network-administration linux-system-administration minecraft 00 more less
    • $50.00 HOURLY RATE
    • 5.0
    • 2 HOURS
    • UNITED STATES
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 3 TESTS
  • Professional linux system administrator

    Over the past 4.5 years I`m a system administrator on highly loaded projects. I started as junior sysadmin in masterhost, largest hosting company in Russia at that moment, and grew up to very experienced system administrator. For the … more

    Over the past 4.5 years I`m a system administrator on highly loaded projects. I started as junior sysadmin in masterhost, largest hosting company in Russia at that moment, and grew up to very experienced system administrator. For the last 3 years I`m working in one of the biggest internet company in Russia, mail.ru group. In masterhost I used to administrate FreeBSD and Linux servers for shared hosting and VPS hosting. Nginx, apache, mysql. Searching for bottlenecks, mysql, apache, nginx tunning. OpenVZ. In mail.ru group from 2011 til 2013 I was working in storage-team. Over 3000 servers, 12 Petabytes of data (emails, photos, videos, etc). And from 2013 I`m working in go.mail.ru team. Developing cloud infrastructure based on LXC. It`s hard to write all my occupations, so here is skills I used most: Linux system administration(Centos mostly, Debian and Ubuntu) nginx apache mysql redis memcached sysctl tunning for highly loaded servers strace, gdb for very deep debugging kickstart (had developed fully automatic system for servers installation based on ks) puppet, mcollective (orchestration and configuration management. Started puppet from scratch in mail.ru) saltstack (same as puppet purpose, but brand new way of orchestration and configuration management. Our team migrating right now from puppet. Like it more)  less

    linux-system-administration puppet-administration dns nginx openvz centos ubuntu virtual-private-server load-balancing 00 more less
    • $15.00 HOURLY RATE
    • 5.0
    • 0 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 6 TESTS
  • System Administrator | IT Consultant | DevOps

    When you need: professional system administration, - accurate deployment, - high availability, - efficient performance optimization, - configuration management or you just want to talk about some IT stuff. Come on, you are welcome. Just write a message. I will glad to help. P … more

    When you need: professional system administration, - accurate deployment, - high availability, - efficient performance optimization, - configuration management or you just want to talk about some IT stuff. Come on, you are welcome. Just write a message. I will glad to help. P.S. Ready to start working at your project right now. -- Skills -- OS's: Linux (Archlinux, Debian, Ubuntu, Centos) Windows (servers and workstations) Mac OS X Network technology: Deep understanding OSI model Deep understanding of the principles TCP / IP protocol stack Installing and configuring network devices. Networks troubleshooting . Well developed skills in building Ethernet networks Maintenance and optimization, network hardware Network Software: Web server: nginx, apache File servers: samba, vsftpd, nfs Revision control software: mercurial, git Bug trackers: youtrack, jira IM: ejabberd, openfire Mail servers: postfix, dovecot, Continuous integration: jenkins DNS: bind, nsd Firewaals: iptables, ipfw, kwf Backup: bacula, fog Directory Servers: 389 server, active directory Monitoring system: zabbix nagios Proxies: squid, kwf VPN servers: openvpn, pptpd, strongswan Databases: mysql, postgresql, mongodb, redis Virtualization: aws ec2, proxmox, kvm, qemu, libvirt, convirt Programming Languages: bash, Python cmd  less

    linux-system-administration nginx amazon-web-services network-administration ldap mercurial git continuous-integration magento 00 more less
    • $23.00 HOURLY RATE
    • 5.0
    • 52 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 3 TESTS
  • System administrator

    I am a system administrator with experience over 15 years. I have experience in administration of Linux & Windows servers. I have knowledges of DNS, DHCP, NTP NAT, Routing, Secure Mail Servers, Web Servers, Database, FTP, Proxy, OpenVPN and other network … more

    I am a system administrator with experience over 15 years. I have experience in administration of Linux & Windows servers. I have knowledges of DNS, DHCP, NTP NAT, Routing, Secure Mail Servers, Web Servers, Database, FTP, Proxy, OpenVPN and other network Servers and Services based on Windows and Linux platform, LDAP authentification integration. I can configure very standartized mail-server with greylisting, anitvirus scanner, IMAP/POP3 accounts, SASL, SSL/TLS, DKIM, SPF I have a good experience of Microsoft Azure cloud service (including Automation Runbook, Scheduling, IP Reservation and other) and Amazon AWS. I have professional knowledges of Network and Appications Monitoring systems and tools (such as CA Spectrum, SevOne, Riverbed Cascade, MS SCOM, MRTG and other). My network skills: Cisco/3COM/D-Link switches and routers and virtual switches administration; Static and Dynamic IP Routing, LAN, WAN, VLAN, VPN, WiFi, IPSec, access lists, firewall rules (inc. linux iptables, nat, masquerade). Checkpoint firewall implementation. Installation and management Riverbed Steelhead traffic optimizer; I have knowledges of shell-scripting, web programming (html5, php, javascript, ajax technologies. Additionally, i have development experience (it's my university specialization), good experience of development on Delphi RAD Studio.  less

    service-cloud-administration windows-administration linux-system-administration network-administration database-administration network-monitoring amazon-web-services lamp-administration vmware-administration postfix 00 more less
    • $22.22 HOURLY RATE
    • 5.0
    • 16 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 0 TESTS
  • 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 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
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