Linux System Administrators & Developers

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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. Daniel Z.

    Daniel Z.

    Highly skilled API integrator, PHP (ZF) Coder and Project Manager

    Poland - Last active: 1 day ago - Tests: 7 - Portfolio: 6

    Goal: Project and develop high quality apps for your success. Profile: OOPHP & Zend coding, IT consulting and business analyst, project coordinator and manager, Other skills: Apache, Bind, SSH, bashscripting, Memcached, Github, Solaris, Oracle, MySQL, Radius, AD, expert knowlegde of many *ux and windows systems Advantage: Project and implementation of many web apps. Most of it projected and developed by myself using Zend Framework, Google API (youtube, gdata), social API (twitter, facebook). Some of it integrated with operating systems or AAA software (radius, ldap). Usually Design Patterns were used (like Template Method, Version of Control, DAO, Dependency Injection, Decorator and so on). Some application built upon a structure of web services (XML, REST, JSON), some using jQuery and AJAX. Tools and technologies: Apache, radius, bind, ldap, Zend Framework, XML, SOAP, Linux, Linux daemons, Memcached, Sockets, REST, JSON, Oracle, MSSQL, MySQL, Design patterns, MVC, SVN, BASH, PHPUnit, Xdebug, Unit testing, Google Youtube API, Google Gdata API, Google Maps API, Facebook API, PayU API

    $35.00 /hr
    1,615 hours
    4.98
  2. Alper OKUTGAN

    Alper OKUTGAN

    Professional PHP Developer and Web Scraper

    Turkey - Last active: 8 days ago - Tests: 8 - Portfolio: 33

    Top-notch web scraping expert using PHP/cURL, having scraped hundreds of sites with billions records. Always deliver perfect quality with quick turnaround. Craigslist, Yipit, Crunchbase, Twitter and Instagram are just a few examples. My major expertise is web crawling / data minning, I am also interesting in solving complex challenges, difficult problem solving, and learning to enhance my programming skills with PHP programming language. I prefer to work for short-time but difficult projects. So I can give my experiences to the task effective. I have a degree in Computer System & Engineering and have 15 years experience coding. I have been working in the hosting industry (Hostgator, GoDaddy, Bluehost) for more than 10 years and highly experienced using hosting software such as WHM / CPanel / Plesk / Virtuozzo / Webmin / Virtualmin. (Installation and Management) Technical background; I began programming on C64s with QBasic language in the 1990s. Following graduation, I developed various programs with Borland Delphi for computing hardware faculty from 2000s, and I am still programming for the automotive industry (OBD/OBD2). I professionally created various web development projects with PHP and Perl languages since 2002. I began working with FreeBSD in 2002 and Linux in 2004 and I have been working as an hostadmin for various servers like Debian and Ubuntu operating systems since 2005. I have founded to BACOMputer, which my first company on 2005, and I am still working as a project manager for my own company. I began working with clients through oDesk since 2009, and I have successfully completed many contracts between 2010 - 2015. The subjects of my recently works; ° Web scrapping / mail scrapping with PHP/cURL. My PHP codes also can be run as standalone programs on the linux shell and/or with crontab. ° PHP-MySQL works / Admin Panels. ° Delphi or PHP based text file conversion programs. ° Hosting services and transfers. ° OpenVPN authentication systems (PAM / Google Authenticator / MySQL / LDAP / Radius) ° Creating Wordpress plugins and themes. HTML to Wordpress. * OPEN-WRT Linux distributions. ° Malware code cleaning on the sites and servers. (I have developed my own tools for finding malicious codes and infected files as quickly and efficiently) ° Decompiling/Tracing Flash applications/games. ° Radio, Audio stream program installations and configurations. Shoutcast, Icecast and Flashcast solutions. ° Software installation on Linux. Ftp servers, Apache, Nginx, PHP and MySQL installations/configurations. ° jQuery and resolving jQuery issues and conflicts. ° JWplayer, Flowplayer video player installations and delayed messages/auto redirecting projects ° Lightbox, Greybox, Laytbox and other jQuery (auto) popup/popunder solutions. Locked pages with javascript alerts. ° .htaccess works (Mass redirections, SEO based links, permalinks)

    Groups: Bluehost Developers and Designers

    $45.00 /hr
    1,508 hours
    4.99
  3. Soorya D.

    Soorya D.

    Selenium/WebDriver/Appium Developer l Web/Mobile API Automation |

    India - Last active: 1 month ago - Tests: 6 - Portfolio: 18

    Last 9+ years, I have been testing and automating applications for Fortune 500 companies. Having 7+ years of work experience in test automation .In that 6+ years on Automating web/mobile app tests using Selenium 2.0(WebDriver) / Selenium 1.0 (RC).Good experience on Mobile automation and integrating tests with CI tools like Jenkins or cloud services like Sauce-labs, BrowserStack. Automation Frameworks development using combination of : - Selenium/WebDriver, Selenium Grid - Appium, Protractor (AngularJS) - Data-driven Selenium tests with external Excel, XML and CSV-based data. - Java / Ruby / Python / PHP - TestNG - ReportNG - JUnit - XMLUnit - Page Object - JBehave - FitNesse - Cucumber - Robot, AutoIt & Sikuli - Jenkins (including integrating with SVN/ Perforce/GitHub/ Saucelabs.) - Maven/ANT - Flex automation agents like Flexmonkium, FlexPilot, SeleniumFlex API * RestFul Web service testing using SoapUI * Performance testing Using JMeter/ SoapUI * Automating websites that involves Map(like Google Maps) interactions I have strong experience in testing various types of software ranging from desktop applications to web applications. Types of testing that I have done include: =============================== - Black Box and White Box Testing - Manual and Automation testing - Smoke testing - Functionality testing - Integration testing - Cosmetic error testing - GUI Testing - Cross browser compatibility testing - Regression testing - User Acceptance Testing - Mobile app testing - Games testing - Performance testing "Passion for Test Automation", "Good Communication", "Think from a customer perspective", "Good error guessing skills", "Analytical and logical thinking", A strong desire for quality" and "An attention to detail" are the qualities of a best Software Test Engineer. So if you are searching for a person with above qualities and abilities.I can ensure you that I best fit in to your mission.

    $35.00 /hr
    603 hours
    4.98
  4. Matt Durant

    Matt Durant

    Expert Software Developer, System Admin, and Business Manager

    United States - Last active: 9 days ago - Tests: 8

    I have experience developing many projects utilizing a varied range of skills and programming languages, including but not limited to: .NET, C++, PHP, HTML, CSS, and Javascript. I have exposure to other languages, and I am not afraid to tackle a project in an unfamiliar language. My experience with other technologies includes MySQL, Microsoft SQL Server, Windows Server 2003/2008/2012, Hyper-V 2008/2012, and Linux (Debian-based distributions mainly, but I have experience with others). I have over 10 years of professional experience in server & network administration, software and website development, and business management. You can expect a commitment to detail and your idea when you hire me for your next project.

    $100.00 /hr
    15 hours
    4.97
  5. Evangelos E.

    Evangelos E.

    Amazon Cloud

    Cyprus - Last active: 16 days ago - Tests: 1

    Over the past 15 years I have been involved in systems and network engineering across heterogeneous environments. During the last 7 years I have worked in the design and implementation of Virtualization solutions with VMware and small to medium size Datacenters. For the last 2 years I worked on several Cloud Migration, SaaS Deployment projects and Architecting/Managing Amazon SaaS Environments. Some recent responsibilities/projects include: * Server Operating Systems: Amazon Linux, Windows Servers * Monitoring/Trending/Notification with CloudWatch, SNS, Nagios, Munin, DotCom-Monitor * Design/Implementation of SaaS Environment in multiple Amazon VPCs * Amazon Console Security using IAM / CLI and API Tools * Database Services utilizing Oracle, MSSQL and MySQL RDS * Reverse-Proxying/Load-Balancing using Nginx, HAProxy and Amazon ELB * Storage/Content Delivery utilizing CloudFront with S3 and Akamai * Host Intrusion Detection utilizing OSSEC (AlienVault) * Vulnerability Assessment utilizing QualysGuard (internally to VPC and externally to websites) * Application Servers: JBoss, Oracle Application Server, WebLogic * Email Servers: Sendmail, Procmail, Postfix * VPNs: Cisco VPN, Cisco Anyconnect, OpenVPN, OpenVPN Access Server * Automation of Amazon Deployments with Chef and Cloudformation * Server Migrations to the Cloud using Double-Take, Amazon VMDK Import, Rsync

    $50.00 /hr
    6,963 hours
    5.00
  6. Ismet Dumlupinar

    Ismet Dumlupinar

    MCITP (System Administration), MCT, MCSA, MCSD: Web Applications

    Turkey - Last active: 23 hours ago - Tests: 14 - Portfolio: 13

    Experienced System Specialist, MCSA/MCITP/MCSD. In-depth knowledge of business operations and Information Tecnology Systems, project management, enterprise system integrations and information security with over eight years with hands on experience as an Enterprise Administrator and Network Manager in Windows Server 2003 & Windows Server 2008 environments. Experience in hardware and software virtualization using VMware and Hyper-V and App-V. Practiced understanding Active Directory, Group Policies, NPS, NAP, Exchange, SQL Server, Dynamics CRM, ERP, PKI and DFS. Experience as a corporate Microsoft/Certification trainer at one of gold certified partners of Microsoft. Proficent in Server 2012 and 2008 (inc.Server Core edition), Hyper-V, switches and many other technologies. I have been highly involved in server virtualization for seven years and am proficient in both VMware and Microsoft Hyper-V. I am also providing consulting services for web applications. I am a member of DotNetNuke Corp Internationalization Team and I'm working to expand product features to fully support Turkish localization. I am always looking for new opportunities to develop my skills. Check my Microsoft Profile below: https://www.mcpvirtualbusinesscard.com/VBCServer/idumlupinar/profile

    Groups: Microsoft Certified Professionals

    $75.00 /hr
    2,231 hours
    4.86
  7. Hector Bravo

    Hector Bravo

    IT Expert - Project Manager - PMP, ITIL, VCP, MCSE, MCDBA, VoIP

    Panama - Last active: 24 days ago - Tests: 13

    Design, Plan, Implement and Support for: - Windows Azure / Amazon EC2 - Microsoft Lync - Microsoft Sharepoint - Microsoft Exchange - Microsoft SQL Server - Microsoft Active Directory, ADFS - Microsoft Dynamics CRM - Windows Server / Hyper-V - Microsoft ISA/TMG/UAG - Microsoft SSCM, SCVMM, DPM - Microsoft Office 365 - Voice Integration with Lync - VMWare vSphere / ESXi - VMWare Site Recovery Manager (SRM) - Veeam Backup & Replication

    Groups: Microsoft Certified Professionals

    $33.33 /hr
    930 hours
    4.56
  8. Igor P.

    Igor P.

    PHP MySQL Yii CodeIgniter Zend developer, with 7+ yrs of experience

    Russia - Last active: 12 days ago - Tests: 7 - Portfolio: 14

    I am a web application developer specializing in PHP/MySQL, with 7+ years of commercial experience. Worked with the different projects - starting from a little web-sites and web-widgets to the big web-systems and services. My main qualities are reliability, persevering and patient. Tell me your ideas, we will discuss it and I'll give you a structure of the future system and a plan of work. I think there is nothing impossible - just are necessary time, money and the desire to work!

    Groups: PayPal

    $40.00 /hr
    9,683 hours
    4.99
  9. Sergiy R.

    Sergiy R.

    Linux System Administrator

    Ukraine - Last active: 1 day ago - Tests: 9

    I am an experienced System Administrator with a wide range of skills, including Linux servers administration, LAMP stack setup, OpenVZ and KVM virtualization, configuring services, working with version control systems and writing system maintenance scripts. I have a hands-on experience with Linux, including Ubuntu, CentOS, Red Hat, Gentoo and Debian distributions. I am able to code in OCaml, C, C++, Ruby (including Ruby on Rails), Bash/Zsh and read Java, Python, Haskell, Perl and Common Lisp programs. My most important virtues are: extreme responsibility, easy communication and attention to details.

    $40.00 /hr
    454 hours
    5.00
  10. Ronald I.

    Ronald I.

    Web Developer

    Canada - Last active: 1 month ago - Tests: 4 - Portfolio: 1

    - Web Developer/Programmer with a broad understanding of Web Technologies, Programming Languages, Server Administration, Web Security and CMS installation, configuration, management, and troubleshooting. - Worked with HTML5, XHTML, HTML, CSS, PHP, MySQL, ASP.NET, JAVA, JavaScript, jQuery, XML, Ajax, e-commerce solutions, LAMP, Social Media, SEO, Implementing custom WordPress themes / plugins for blogs or websites using WordPress as CMS. - Background in Web Security. Strong understanding of web attacks such as XSS, SQL Injections, CSRF and others. - Strong background in computer programming with extensive experience with various end user software and internet access programs. - Takes initiative; works well as part of a team and individually. - Fast learner with strong problem solving abilities and a willingness and eagerness to learn new skills. - Excellent oral and written communication skills in English and Spanish. Specialties: Web Applications, Web Design, Web Hosting, Internet Security, Networking, Server Administration

    $60.00 /hr
    40 hours
    4.87