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, 601 Linux System Administration projects are completed every quarter on Upwork.

601

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 4.79.

4.79
Last updated: June 1, 2015
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  1. Habibillah A.

    Habibillah A.

    Full stack developer with PHP and .Net/C# as backend

    Indonesia - Last active: 2 days ago - Tests: 5 - Portfolio: 9

    Over years, I have developed any websites base on PHP and .Net/C#. Various applications built on CakePHP framework, and the rest on other MVC Framework and pure PHP. Furthermore, I have develop enterprise applications used internally on several companies built on .Net framework using C# language. I also enjoy to manage servers, both Linux server and Windows. I am a fast learner and also easy to learn several remote API even if it new for me. And having great understanding to transform business process into technical view. Software development technology I am familiar with: SQL, Ajax, OOP, software design, JQuery, Backbonejs, Requirejs, Angularjs, Underscorejs, ASP.Net, Windows Form, DevExpress and others technology related to web development.

    $19.00 /hr
    784 hours
    4.85
  2. Konstantin Antipov

    Konstantin Antipov

    Linux system administrator

    Montenegro - Last active: 1 day ago - Tests: 4

    - initiative and self-motivated professional with strong work ethics; - BS degree in Computer Science; - having 7+ experience in administration of different systems, including hosting provider network, private cloud-based development environment, dedicated web-servers and AWS installations; - always trying to follow guidelines and best practices and not to reinvent the wheel; - good team player, able to see situation from developer or manager's perspective.

    $25.00 /hr
    132 hours
    5.00
  3. Olexey Grinko

    Olexey Grinko

    Senior FreeBSD/Linux System Administrator

    Ukraine - Last active: 1 day ago - Tests: 6 - Portfolio: 2

    I have more than 10 years experience in system administration: - Linux maintenance (CentOS, Debian, Ubuntu, CoreOS, RHEL); - DevOps (GIT, JIRA, Confluence, Bamboo, Continious Integration); - Cloud hosting (Amazon EC2, RDS, S3, DigitalOcean Droplets); - Virtualization: (Docker, VirtualBox, Vmware, Openvz, Xen, Hyper-V); - Web servers (apache, nginx); - Databases (MySQL, PostgresQL); - Monitoring (zabbix) - Mail servers (postfix, sendmail, antispam/ antivirus: clamav/spamassassin/amavis, courier, dovecot); - FreeBSD maintenance ; - Networking (DHCP, DNS, VPN, OpenVPN, firewalls: iptables/ipfw, proxies); - Windows Server (2008/2012); - Exchange 2007/2010; - Python programming.

    $27.78 /hr
    860 hours
    4.97
  4. Leonid K.

    Leonid K.

    Linux / Windows System Administrator

    Lithuania - Last active: 1 day ago - Tests: 7 - Portfolio: 4

    Hello! My name is Leonid, I'm 28. 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, Xen, KVM, OpenVZ; Cloud services: AWS, Linode, DigitalOcean, Rackspace, MS Azure; Web servers: apache, apache tomcat, 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: varnish, Aegir, BOA, Zentyal, ClearOS, Zimbra, Openfire, MS Lync, OpenVPN, FreePBX, Redmine, ejabberd, NginAd;

    $25.00 /hr
    180 hours
    4.99
  5. Shib narayan D.

    Shib narayan D.

    Expert System Administrator

    Bangladesh - Last active: 1 day ago - Tests: 6 - Portfolio: 4

    I am experienced in Linux System Administration and hosting migration/Server (VPS/Dedicated) setup & maintenance for more than 4 years. I work full time in elance and always available through skype/email to support my clients in emergency though whatever the timezone is. My service is all about customer oriented and their satisfaction, their reliability will lead me to have a long term trustful relationship. Thank you for visiting my profile and looking forward. Fields of Expertise: OS type: Linux (Debian/Ubuntu/CentOS etc.) Control Panel: cPanel/WHM/Plesk/VirtualMin/Webmin/usermin/Sentora /Zpanel/ISPconfig/VestaCP/AjentiV/Webuzo/Kloxo-MR etc. Language: HTML/CSS/MySQL/PHP Web Server: Apache/Nginx or LAMP/LEMP/BIND etc. CMS: Wordpress Email Server: Postfix/Dovecot/Exim etc. Email Sender: SendGrid/Mandrill/Mailjet/Mailgun etc. Hosting Type: Shared/VPS/Dedicated/Cloud etc. To illustrate I have done Wordpress/Joomla/Magento/HTML/e-commerce etc. website migration as well as Wordpress setup/theme & plugin installation/modification/configuration, all sorts of server maintenance tasks like server setup/configuration/optimization, LAMP/LEMP/Virtualmin etc. installation, Website/VPS migration, Email server installation (Postfix/Mysql/dovecot), configuration of SendGrid/Mandrill/Mailjet/Mailgun etc. to send Emails with Domains, making sure that Email is white listed to go to inbox rather than marked as a spam, taking care of all sorts of DNS settings, firewall, spam protection, malware removal and much more.

    $10.00 /hr
    75 hours
    4.98
  6. Demetri Mouratis

    Demetri Mouratis

    Experienced DevOps Engineer

    United States - Last active: 1 month ago - Tests: 3 - Portfolio: 1

    Demetri Mouratis is a seasoned professional Linux Systems Administrator and DevOps Engineer. Located right in the heart of Silicon Valley, Demetri runs production Linux systems for big finance. Expert at Red Hat Enterprise Linux, as well as derivatives like Amazon Linux, CentOS, and Fedora, he has run all flavors in production environments. More recently, he has mastered Ubuntu Linux. Deep experience in monitoring, capacity planning, server architecture, and security. CAMS approach of Culture, Automation, Measurement, and Sharing. Configuration management, puppet, salt, ansible, chef, cfengine. Amazon Web Services EC2, VPC, EBS, EIP, and Route 53. You should feel free to contact Demetri with your most challenging projects and rest assured they will be accomplished professionally and on time. He's always up for a challenge!

    $166.67 /hr
    21 hours
    4.67
  7. Vladimir Neverov

    Vladimir Neverov

    javascript/python/perl developer

    Russia - Last active: 1 day ago - Tests: 8 - Portfolio: 7

    I'm a developer with 15-year experience of writing various web-applications (Perl, Python, Javascript, both front- and backend) and scientific research in computational physics (PhD, molecular dynamics simulation of condensed matter). For last several years I'm a CTO in one of the largest real estate agencies (~500 employees) in St.-Petersburg, Russia, where I both write code, supervise IT staff and communicate with company's contractors. I have solid experience in writing technical requirements, task decomposition, database architecture design, system administration and writing code that makes all these things work together; I'm also an experienced troubleshooter. In particular, I have written a CRM and reporting system (Python, Javascript) that is currently used as a basis for all business processes in the company; I've authored a solution for regular estate advertising (Perl) on a number of magazines and web-sites that works 24x7 for last 8 years. During last several years I have also completed several websites as a freelancer. This includes a platform for Russian-speaking scientists online seminar (elektron2000.com), a show case for the jewel shop (auroragold.ru) and a show case for new buildings projects in St.-Petersburg (novoe.ecoton.spb.ru). Also I have a few tiny open source projects (mostly Javascript) that can be found at my GitHub (https://github.com/vne).

    $44.44 /hr
    214 hours
    4.97
  8. Roman Kisilenko

    Roman Kisilenko

    Project Manager/Java Architect/Team Leader

    Russia - Last active: 1 day ago - Tests: 2

    I'm leading IT department of Agilium Labs, LLC. On this job I share roles of project manager, team leader and architect to create mature products from scratch. From organizational point of view I have experience working in team leader role for 5 years, good project management and requirement management skills. I understand typical software development processes, fan of Agile & DevOps, able to organize development process on a project and manage risks. From technical point of view I have excellence knowledge of core Java, JEE, Java web frameworks and Swing. Certified Java developer. I know and able to follow Extreme Programming development practices and Scrum methodology. Have excellent knowledge of design patterns and software architecture. My other strong skills are Linux administration, database administration and development, SaaS applications development, VOIP applications development, virtualization and cloud services. Finally, I have some skills in Ruby, RoR, C++.

    $50.00 /hr
    2,533 hours
    5.00
  9. Milan Petrović

    Milan Petrović

    Sysops, Tech support / Wordpress, SEO & Security Expert

    Serbia - Last active: 1 day ago - Tests: 14 - Portfolio: 8

    I work as System Administrator / Network Administrator in an software development company www.europos.co.rs since 2006. Certified MCSA / MCITP Administrator on Microsoft Windows Server with extensive knowledge on Microsoft OS's, LAN, WAN networks, Some Linux OS knowledge. Highly skilled in supervision & troubleshooting of Windows OS's and Windows networks. _________________ Since 2011 I've developed a wide range of websites using HTML, Javascript, and lately WORDPRESS as CMS including websites for small businesses, schools, doctor's offices etc. My core competency lies in complete end-end management of a new website development project, and I am seeking opportunities to build websites from the ground up for you or your business. I can Customize, Optimize or Speed Up your Website or WordPress Blog. I can do SEO & Security Improvements(WP) for it too. I am experienced in Apache web server configuration & optimization, .htaccess file configuration & .301 redirects. I can do basic Photoshop & Graphic Design. Experienced in Website Analytic, Search Engine Optimization (SEO) & Google Adwords campaigns (Certified Google Adwords Expert), PPC advertising, Keyword research... My websites: www.dr-dragicevic.rs www.drverauzelac.rs www.kardiolog-drsimic.rs www.polnebolesti.net www.europos.co.rs www.visokatehnicka.edu.rs www.zajednica.edu.rs www.tehnickadijagnostika.rs www.pelet-srbija.net www.miletodorov.rs www.srpski-jezik.com www.knjigovodstvena-agencija.co.rs www.zapunijedame.rs www.lakipos.rs (under development) www.sajtweb.com www.villapetrovac.ru www.sinestezia.com www.mill.iz.rs Experienced in WORDPRESS configuration and optimization.I can help you with anything related to installing themes, working with plugins and widgets, customizing content display, building interactivity and community, implementing online advertising (Google adwords, facebook marketing), making a SEO friendly website, enhancing usability and accessibility, managing maintenance, improving security, editing roles for your users to meet your needs etc Experienced on Apache / LAMP configuration and optimization on Linux and Windows If you need help with transferring a website to another host, and/or changing the website address, my skills can save you a lot of time. I am also open for work which includes moving websites across the web platforms (Joomla to Wordpress...)

    Groups: Microsoft Certified Professionals

    $13.50 /hr
    41 hours
    4.92
  10. Toufique I.

    Toufique I.

    Toufique Imam - System admin & Web developer

    Bangladesh - Last active: 1 day ago - Tests: 9 - Portfolio: 2

    Past few years I have developed several websites and webapps (including facebook apps) in ruby on rails.I love to build plain static (html/css) sites too. I am not a good web designer. So I don't do any work which is related to graphics design. I am experienced in maintaining linux systems including nginx and apache web server, ftp server, ssh server, rsync etc *nix tools. Right now I am a programmer of Web developer company named Artvision Solutions.

    $16.67 /hr
    122 hours
    4.90