Linux System Administrators & Developers

Get Your Linux System Administration Project Started Today!

Post your Linux system administration project on Upwork 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 Upwork, 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 Upwork for free!

Linux System Administration Job Cost Overview

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

Upwork Linux System Administration Jobs Completed Quarterly

On average, 628 Linux System Administration projects are completed every quarter on Upwork.

628

Time to Complete Upwork Linux System Administration Jobs

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

Average Linux System Administration Freelancer Feedback Score

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

4.78
Last updated: May 1, 2015
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  1. Sergey D.

    Sergey D. Agency Contractor

    Seanetix - Smart Solutions for Your Business

    Ukraine - Last active: 17 hours ago - Tests: 15 - Portfolio: 13

    Dear partners, We have over 10 years experience in creating social networks, real estate sites, online shops, auctions and other complex web-based applications with ability to create content from back end or front end using PHP+MySQL+JavaScript (AJAX). We have big experience in Zend Framework development and also in Symfony and CodeIgniter frameworks. For standard and not very complex projects we can use some CMS (we have experience in Joomla! and WP). JS frameworks: JQuery, mootools, backbone.js, etc. We have experience in different APIs (Google, PayPal, eBay, FaceBook, etc). All our completed projects were developed by taking into account SEO. We are working with MySQL (also we have some completed works in Oracle and Firebird). We know all rules of database development and SQL-scripting. You can be sure that if we will take this project we will accomplish it in any case. There was no any project that we did not finish even if it was unprofitable for us. Our priority is not only to provide professional services and solutions but to become your long-term, trusted partner too. You can find some of our completed projects below.

    Associated with: Seanetix Agency

    $22.22 /hr
    614 hours
    4.84
  2. Sindhia M.

    Sindhia M. Agency Contractor

    Joomla & Graphics Expert - Component, CSS, xHTML, Templates, logo

    India - Last active: 17 hours ago - Tests: 5 - Portfolio: 17

    I synthesize experience, training and a graphic eye to deliver stunning web experiences for the end-user. I tackle the end-to-end problem: template design thru integration and deployment. I also provide component development and customizations for joomla and plugin development for Wordpress. In Development I have a strong command over the PHP/MYSQL and shown my skills in various projects up to now which are in varioius CMS, LMS or MVC Frameworks. While working in these skill sets from a long time Now I am providing my services as a Project Manager to various companies to resolve there multiple tasks related to multiple skill sets. Skills: PHP/mySQL. Technologies: Joomla, WP, ZenCart, Oscommerce, Drupal, Magento, cakephp, codeigniter. Graphics: Photoshop, CSS, HTML, XML, XHTML, CSS3, Illustrator, Newsletter, Mailchimp and Constant Contact Other Skills: Server Migrations, Site Transfers, Mail App configure on Google.

    Groups: JomSocial, LongTail Video

    Associated with: Quinji

    $16.00 /hr
    1,534 hours
    4.86
  3. Aty P.

    Aty P. Agency Contractor

    Linux Server Admin, Security Expert, PHP MySQL, Wordpress Expert

    India - Last active: 6 days ago - Tests: 5 - Portfolio: 41

    Hi, My name is Aty. Over the last 7 years since 2007, I have led mufti-functional teams to execute on mission-critical engagements. I did job with large design firms in my starting career for 2-3 years. I then assembled a crack commando unit of the best people I encountered. We take on assignments, right-size the solution to the problem, and then use the team approach: an architect to ensure you have a platform suitable to your needs, razor sharp analysts to document the deliverable, creative designers for graphics, and masters of code. We then put very cheap SEO and maintenance folks to ensure your rankings remain at the top, and your site runs blazing fast. Each of these people bill at different rates, so you get maximum bang for your buck. When you hire anyone at Quinji, you hire the team resources. You will not suffer if someone is not available. We have the breadth of skills and depth of resources to ensure your project is on time and on budget. I am native US English speaker and this feedback is given to me by more than 20 different clients which they found a plus point while making conversation when they are outsourcing their work for better communication and understanding. Always available on Skype for voice or text during my working hours. I completed 2600+ hours on odesk with 4.96 star feedback out of 5 up to June 2014. Hope it will boost some confidence inside my capabilities to complete your assignments successfully. Looking forward to hear from you. ********************************************* My Technical Skills are as below: ------------------------------------------------ Security Expert -> SQLi/XSS, Trojan Removal, Malware and Malicious Code Removal, Security Configuring on servers, CSF, mod_security, DDos Attack, Phishing attack, Iframe, eval and base64 signature detection, VPS and Dedicated server Management, Monitoring, cloaking, pharma hacks, shell detection, spam blocking. Penetration testing, Nessus, Nmap, Metasploit, Maldet, Blackhole Exploits detection removal and others.. -------------------------------------- Developer -> PHP/MySQL, Core CMS -> Joomla, Drupal, WordPress, CakePHP, CodeIgnitor -------------------------------------- Social Framework -> SocialEngine, Dolphin, JomSocial, Community Builder. -------------------------------------- Ecommerce ->OScommerce, Magento, Cscart, ZenCart, BigCommerce, CBSubs, Virtuemart, Woocommerce -------------------------------------- Framework -> Cakephp, Codeignitor, Zend, Symfony. Yii -------------------------------------- Java Script Framework -> JQuery, JQuery UI, Mootools -------------------------------------- SEO/SEM -> OnPage SEO optimization so Search engines crawl all the required content automatically, Article Writing and Submission, Social Bookmarking, Link Building, Press Release, Directory Submission, Social Media, Traffic Generation, Youtube, Facebook, Twitter, Digg and so on with all Ethical Methods. Latest strategy according to Panda 4.4 algo follwed while doing SEO -------------------------------------- Desktop or Laptop Fixes -> I used Remote Desktop or Team Viewer to take access to client machines to fix their machines from spywares, Malwares, viruses or Trojans installed on their machines. ******************************** Hope once we start we will be in long term business relationship.

    Groups: AWeber, BoonEx...

    Associated with: Quinji

    $30.00 /hr
    2,810 hours
    4.96
  4. Danish Ahmed

    Danish Ahmed Agency Contractor

    Linux Guru/MAC Expert/Server Specialist/Technology Consultant

    Pakistan - Last active: 17 hours ago - Tests: 7 - Portfolio: 18

    Over the last 6 years, I have worked on a wide range of Servers Operating System Administration and Configuration. My core competency lies in providing complete support of Server administration and User support, and I am seeking opportunities to provide corporate support to utilize my skills and strength. I have good experience in the following Servers: Microsoft Windows Server 2000, 2003,2008 R2, Redhat Enterprise Linux, CENTOS 5.4, Fedora, Ubuntu, Oracle Enterprise Linux, OpenSUSE, OpenSolaris, MySQL, Microsoft SQL Server, etc SYSTEM ADMIN SKILLS (LINUX) - Install. Configure, Maintain Various Linux Destribution (Fedora, Redhat, Ubuntu, Ubuntu Server, CentOS, OpenSUSE. - Labtech working experience - ConnectWise working experience - VMware vSphere 4 / ESX 4 - VMware Virtual Datacenter configuration - VMware Expert. - SONICWALL Firewall Configuration - Administration Amazon EC2/S3 - ElasticFox Work experience - Plesk Server administration (Migration etc.) - Install and Configure IBM TSM Server 6.1 - Oracle E-business Suite Patching and Cloning - Backup and Restore Databases. - Install and COnfigure SSL certificates. - Managing and Administration of VPS servers. - Domain and Hosting Administration (Plesk, Cpanel, Webmin) - GamePanelX configuration (OpenSource Game Server Panel) - Install, Configure, Maintain MAC OS X. - Install, Configure, Maintain BIND Server - Install, Configure, Maintain DNS Server on windows server - Install, Configure, Maintain Webserver (Apache, IIS) - Install, Configure, Maintain FTP - Install, Configure, Maintain Mailservers (Exchange Server, Postfix, Dovecote, Sendmail, Qmail) - Install, Configure, Squid Server - Install, Configure, Maintain Linux based Firewall - Configure ISAPI Rewrite on II6 for User Friendly URL for SEO - Configure Rewrite mode on Apache Server. - Install, Configure, Maintain OpenLDAP. - Install, Configure, Maintain Active Directory. - Install, Configure, Maintain CMS. (Joomla, Wordpress) - Configure and Troubleshoot Pleask, Cpanel. - Configure and Troubleshoot IPTables. - Configure and Troubleshoot Samba server - Install, Configure and Maintain (MRTG, Cacti, PRTG) - Install and Configure Project management System - Deploy Helpdesk System. - Design Network Infrastructure. - Implement System and Network Security - Install, Configure and Maintain Antivirus Server (Trendmicro, Kaspersky) - Configure Bandwidth Splitting on Squid. - Implement and Design Virtualization (Hyper-V and Vmware) - LAMP Server Installation. - Ubuntu Kernel Panel Recovery - Amazon EC2 Instance Configuration - Backup and Restore Databases (SQL, MySQL) - SAN/RAID management - Open Source Firewall ADministration (pfSense, Zentyal/ebox, Endianfirewall) - SSL installation and configuration - Wordpress troubleshooting - CentOS VPS administration - Dedicate Server Management - WHM/Cpanel Administration - WHM/Plesk server security implementation - Domain Migration - Server Migration - IPtables Administration SYSTEM ADMIN SKILLS (MICROSOFT) - MCSE - MCSA (Preparation) - MCTIP (Preparation) - MS. SharePoint 2007, 2010 (Preparation) - MS. Exchange 2007, 2010 (Preparation) - SBS 2008 (Preparation) - MS SQL Administration - ISA 2004, 2006 and TMG (Preparation) - MICROSOFT PROJECTS -Deploy and Configure SBS 2003 -Deploy and configure SBS 2008 -Migrate SBS 2003 to SBS 2008 -Deploy and configure Active directory 2000, 2003 and 2008 -Migrate Active directory 2000 to 2003 and 2003 to 2008 -Deploy, Design and configure Exchange 2000, 2003, 2007 and 2010 -Migrate 2003 to 2003, 2003 to 2007, 2003 to 2010 and 2007 to 2010 (complete Migration) -Deploy, Design and configure SharePoint 2007 and 2010 - Migrate SharePoint 2007 to 2010 -Deploy, Design and configure ISA 2000, 2004, 2006 and TMG 2010 -Migrate ISA 2006 to TMG 2010 -Deploy and configure SQL 2000, 2005 and 2008 (Administration) -Deploy and configure WSUS server -Deploy and configure IISA 6 and IIS 7 -Deploy and configure Microsoft SCCM 2012 (on process) -Deploy and configure forefront Security antivirus 2010 -Deploy and configure LYCN 2010 SEO SKILL SEM/SEO Consultants, SEO Services, PPC, Friendly URL, keyword analysis and selection competitive site analysis keyword density analysis optimization of site content optimization of meta tags, page titles, and descriptions inbound and outbound link placement internal linking strategies site submission Website Design and Development. My MCP Virtual Business Card: https://www.mcpvirtualbusinesscard.com/VBCServer/DanishAhmed/interactivecard

    Groups: Microsoft Certified Professionals

    Associated with: EraNext, GetMediaWise Agency

    $30.00 /hr
    4,240 hours
    4.82
  5. Vadim Sudzenka

    Vadim Sudzenka Agency Contractor

    IT Engineer, manager / Systems Engineer Microsoft

    Czech Republic - Last active: 17 hours ago - Tests: 9 - Portfolio: 14

    • Successful background in system administration, top-down networking implementation, system analysis, technical support, optimization and troubleshooting.• Strong experience in implementation of large-scale networking solutions, based on different operating system technologies, various hardware and software.• Experienced Engineer specializing in analyzing and solving complex IT problems.• Good understanding of ITIL principles (passed ITIL v3 Foundation test).• Independent, resourceful and detail- oriented individual, able to quickly grasp new technology and work effectively in the team demonstrating good organizational and interpersonal skills• MCITP Enterprise Messaging Administrator on Exchange 2010•MCSE holder• MCITP Windows Database Administrator SQL2005 (MCDBA) • LinkedIn profile http://www.linkedin.com/in/vsudenko Microsoft Windows Server 2008/2003/2000/NT • Linux (Unix, Aix, Solaris, HP-UX) • MS Exchange, Lotus, Web, FTP, Proxy servers, MS IIS, MS Project, Tivoli• MS Active Directory• TCP/IP, LAN, WAN, VPN, DNS, DHCP• Virtualization technologies (VMware, Virtual PC).• Citrix MetaFrame Server - administrator• Backup systems (VERITAS Backup Exec, ARCserve, IBM Tivoli Storage Management) Good knowledge MS SQL 7.0 - 2012, stored procedures, backup, DTS, Jobs, restore from Log, etc.

    Associated with: Tower Group

    $30.00 /hr
    5,987 hours
    4.97
  6. Harsh Gajjar

    Harsh Gajjar Agency Contractor

    Project Manager Web Designer Web Developer,All CMS,.Net,WP,3D Animator

    Australia - Last active: 6 days ago - Tests: 5 - Portfolio: 24

    I am a Project Management professional having my own different team(s) locally as well as globally. I have more than 4 years of experience as Project Management as well as Development with both mid and big scale projects. I have been managing projects from beginning to successful deployment (& Maintenance Support) and having experience of leading 24+ team members in a single project. My core competency lies with; Website Designing & Development and Web Development (Photoshop, Coreldraw, Dreamweaver, ASP.NET,C#.NET/SQL SERVER, Visual-basic.net, ado.net, microsoft-sql-server, microsoft-silverlight, sharepoint, dotnetnuke, css, html, css3, html5, ajax, jquery, xml, xaml, javascript, PHP, Wordpress, Os-Commerce, Megento, Drupal, Joomla, Umbraco, etc.) Software Development (Microsoft Technologies and Open Source) Mobile App Development (Iphone & Android Apps in Xcode, Native, Titanium); 2D & 3D Multimedia Animation (3d Studio Max, 3d Studio Maya, Adobe Premier, Adobe Premier Pro, VFX, etc.) SEO and Social Media Marketing (as well as Brand Management) Server Management, Server/Network Administration, All types of Windows Severs (Windows Server 2003, Windows Server 2008 R2) and Linux Servers. Feel free to contact for the complete range of Solution(s) in Software Development, Website Designing & Development, Web Development, Multimedia Animation, Mobile App Development (including UI Designing), SEO & Social Media Marketing, High Networking, Server/Network Administration, including Project Management.

    Associated with: Jugis Tech Agency

    $66.67 /hr
    518 hours
    4.81
  7. Nicolas I.

    Nicolas I. Agency Contractor

    development quality & proactive commitment

    Argentina - Last active: 1 month ago - Tests: 1 - Portfolio: 2

    [ !! PLEASE READ THIS  !! ] Apparently, oDesk still shows like I'm working in 6 other projects, which is not true. These contracts have ended but not formally, so they were paused by oDesk. ---------------------------------------------------------------------- HIGHLY RANKED PROFILE IN OTHER FREELANCE SITES ---------------------------------------------------------------------- A Full Stack Developer, with more than +9 years of experience in a vast set of languages and frameworks. - AngularJS - node - Javascript - PHP - Java - Objective-C - iOS - CSS & Bootstrap - Less - Net - C# - Mongo - Redis - SQL, MySQL, PostgreSQL - And many more... I'm a passionate developer who can fit great in any type of project or team. I have experience in managing teams, but I also love to code. Always doing my best to ensure quality code and performance.

    Associated with: chip Warner Agency

    $17.78 /hr
    812 hours
    4.69
  8. Umer Raja

    Umer Raja Agency Contractor

    Full stack Ruby on Rails Engineer

    Pakistan - Last active: 2 months ago - Tests: 8 - Portfolio: 2

    I am a senior full-stack Ruby on Rails developer with 8+ years of experience in building a variety of products in Ruby and Ruby on Rails. I adhere Test-Driven Development (TDD) to make sure to deliver the work of quality. My experience includes: - Ruby 1.9, Ruby 2.0 - Ruby on Rails 3, Ruby on Rails 4 - Javascript, jQuery, Node.js, Backbone.js, Knockout.js, Angular.js - MySQL, PostgreSQL, MongoDB - HAML, ERB, SCSS, SASS - Rspec, Cucumber, Capybara - Twitter Bootstrap, Compass - Spree, Shopify - RefineryCMS - Thinking Sphinx, ElasticSearch You're looking for a talented Ruby on Rails (RoR) developer? I will be a good fit for you!

    Associated with: Developers Inc.

    $33.00 /hr
    1,108 hours
    4.74
  9. Dmitrij K.

    Dmitrij K. Agency Contractor

    Website / Graphic Designer

    Ukraine - Last active: 1 day ago - Tests: 4 - Portfolio: 26

    Over the last 10 years I have developed websites using New Web Technologies. I have an experience on building websites from the ground, full project designing and developing the back-end and front-end. Also have experience in creating sites on CMS. To date, for the creation of sites I use the most advanced technologies: XHTML/HTML/DHTML, PHP, MySQL, JavaScript(JQuery), AJAX, CSS, XML, Flash, Action Script, Web3D. I also have experience with programs such as: Adobe Flash and Action Script, Adobe PhotoShop, Adobe Illustrator, Adobe Dreamweaver, Adobe InDesign, Adobe Dreamweaver, Adobe Pagemaker, Adobe Acrobat, CorelDraw, Corel PhotoPaint, QuarkXPress, Google SketchUp, Audacity, VirtualDub, OpenOffice.org, VMware and etc.

    Associated with: RusCoder

    $20.00 /hr
    7,386 hours
    5.00
  10. Pubudu J.

    Pubudu J.

    PHP Developer 5+ yrs exp. PHP MySQL JQuery Linux Codeigniter Laravel

    Sri Lanka - Last active: 3 months ago - Tests: 3 - Portfolio: 4

    I am so eager to work on challenging situations to achieve project goals. I like to learn-and-do any available technology to achieve timely and efficiency targets. My main stream of expertise is web development in PHP/Mysql and I can handle Javascript/Jquery very handy. Also I am good at CMSs such as Drupal and Joomla. Also I am good at PHP frameworks-Codeigniter and Laravel. I am capable of server management specially in Linux. Also I can manage CSS designs where necessary.

    $16.67 /hr
    23 hours
    5.00