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, 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. Peter Stefanov

    Peter Stefanov

    -=* Print, package and website designer. Photoshop expert. *=-

    Bulgaria - Last active: 1 day ago - Tests: 5 - Portfolio: 42

    I work with professionalism, accuracy and integrity, enjoys a challenge and never quits untill the job is done right, on time and on budget. I strives to offer my clients the best service possible, offering advice and solutions to any graphic and website problems they encounter, as well as creating quality designs. Work experience, which consisted of making a collage, various designs, processing of films, development and maintenance of web sites, prepress preparation any kind of documents. Looking for new challenges and I am directed to implement a wide range of ideas according to what you need your project.

    $10.89 /hr
    11 hours
    5.00
  2. John K.

    John K.

    Drupal - Wordpress Expert / Web Developer php-mysql-HTML5-css

    Greece - Last active: 4 days ago - Tests: 1

    I have started Web developing with php v2, 15 years ago. Over the last 2 years I am working exclusively as a freelancer, mainly with DRUPAL and WORDPRESS (HTML5, CSS, JAVASCRIPT). I am seeking opportunities to build websites from the ground up for you or your business. I can help you with almost any DRUPAL related task (install, configure, update, optimize performance, theme development, psd to drupal, custom forms, module installation, configuration, development, and much more). Just hit me to discuss further your DRUPAL needs and I will give you a detailed action plan for your project. Because I am rather new in the oDesk system I can offer you a short trial and completely free session to prove that my skills are good enough for your needs. As an IT professional for more than 15 years I also have experience in the following areas: ITIL (Certified Information Technology Manager), IT team management, IT project management, Oracle, mySQL and MSSQL database administration, Windows & Linux administration, DNS, Oracle ERP, Technical user support all levels, Backup practices in complex environments, Data room monitoring, maintenance configuration, SAN storage configuration (HP hardware), Blade servers administration and configuration, Windows Terminal Services, VMware administration, Proxy-firewall-VPN practices in big organizations, Bioinformatics (as a Phd student), Microsoft Access developing, IIS-Apache web server administration and optimization. If you have any project or question related on the above fields please feel free to contact me any time. It is always my pleasure to help, if I can, even if I don't take any job to do. I really love the IT business and it is a continuous challenge to learn and work for new projects.

    $10.00 /hr
    70 hours
    5.00
  3. Pedro Reis

    Pedro Reis

    Native French, Portuguese Translator / Technical Support Specialist

    Portugal - Last active: 11 days ago - Tests: 3

    I am a freelance French translator specialized in translating websites content, technical Whitepapers, news articles, books, academic material. I mostly translate from English->French, French->English, English->Portuguese, Portuguese->English. I am extremely thorough in my work, and I never miss a deadline. I have a degree in computer science and 10 year experience working in companies like MICROSOFT (Technical Support, Tecnhical writing) and an IBM Partner (Programming). Other areas of expertise are : - Technical Support ( 6 years experience) - T-SQL and RPG (AS400) programming (3 years experience). - ERP/CRM management systems implementation and Technical support (3 years experience) - MS SQL Database Administration

    $7.78 /hr
    54 hours
    5.00
  4. Alex G.

    Alex G.

    voovode.net

    Greece - Last active: 27 days ago - Tests: 3 - Portfolio: 1

    Alex is is a well educated, result driven, multi-tasking and open minded team player. Has a lot of deep technical skills in many security information fields. He also runs a blog under voovode.net where was asked by PacktPub to review a well-known book ‘Kali Linux - Assuring Security by Penetration Testing’. Alex spends an inordinate amount of time in his passion for work.

    $21.11 /hr
    39 hours
    4.96
  5. 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

    $11.50 /hr
    32 hours
    4.91
  6. Andrey Zimin

    Andrey Zimin

    High-performance computing | Fortran & Python programming

    Russia - Last active: 25 days ago - Tests: 5 - Portfolio: 2

    I'm a theoretically-oriented PhD student in Optics, and I develop high-performance parallel applications. My skills and tools are: - Fortran and C, Python 2.x; - BLAS/LAPACK routines from Intel MKL, AMD ACML or ATLAS; - Sparse solvers from PETSc and SLEPc: eigenvalue problems, linear equations solution; - hdf5 library: powerful input/output standard; - Matlab | GNU Octave professional use; - Linux server & desktop administration (including deb & rpm based) + hpc cluster support; I have practical experience with the numerical solution of large-scale sparse eigenvalue problems (greater the then 100,000), and I'm used to OpenMP parallelization scheme. I also have strong research background in quantum chemistry, physics and material science. And, of course, all my reports are made using LaTeX.

    $9.99 /hr
    22 hours
    5.00
  7. Jb Techno

    Jb Techno

    Data Center System Engineer Linux Expert, AWS Expert (RHCE,RHCSS)

    India - Last active: 6 days ago - Tests: 2 - Portfolio: 7

    My Implementation on Data Center: • Mail Service- qmail, Send mail, Postfix, Smarter Mail, IIS SMTP, Dovecot, Fetch mail , Trend Micro Anti Spam Gateway • DNS- External and Internal Master and Slave DNS on Linux, Internal DNS on Windows • Web Server- Apache, Tomcat, IIS6 & 7 • Control Panels- Virtuozzo Parallel Plesk on Linux and Windows, Cpanel, webmin. • Data Bases- Mysql, Mssql • Monitoring – Nagios, MRTG, PRTG, Net flow, Syslog. • Help desk- OS ticket and OTRS • Backup – IBM TS3200 Tape Library and Varitas Net Backup • Virtualization- ESX Servers, Vsphare(VMware) with VCB Proxy to automatic backup of all virtual machines in Tape Library, Virtuozzo with Plesk Control Panels, Citrix Xen Server. • Network – Netting, access list and L3 Vlan in Cisco firewall 6509E FWSM. Routing in Cisco 3845 Router. L2 Vlan, Bandwidth restriction in Cisco 6509E switch. • SAN- ISCSI and FC Connectivity with Tape Library, Storage and Blade Servers, Zoning in Cisco SAN Switch. Raid Creation in Storage, Partition and mapping Storage to virtual and physical servers

    $13.33 /hr
    178 hours
    4.84
  8. Anzhi L.

    Anzhi L.

    System administrator / Web services expert / Security auditor

    Russia - Last active: 2 days ago - Tests: 5

    A professional Linux/UNIX system administrator, with 8+ years of experience in web services, scripts programming, security reviews, server and database management. Experience/skills: - Operating systems: CentOS, Ubuntu, FreeBSD. - Web services (apache/nginx) setup and maintenance, speed optimizations for LAMP/LEMP stacks; - Database management (MariaDB/MySQL/PostgreSQL); - VOIP (asterisk); - Shell scripting (bash) + php/perl scripts for system purposes; - Varnish setup; - Monitoring systems (nagios, cacti); - System management tools: puppet, rpm packaging, backup utilities; - Distributed revision control systems: svn (subversion), git; - Server security reviews and hardening. Always keep my clients informed about current task progress (daily reports).

    $30.00 /hr
    65 hours
    5.00
  9. Ravindra D.

    Ravindra D.

    Linux System Administrator & Cloud Expert

    India - Last active: 2 months ago - Tests: 3

    I am having an experience of Linux System administration for 8 years in the management and troubleshooting of Linux/Unix Servers. With good knowledge of High performance,Hardening Servers, Migrations, Open Source services and Server optimization. Working as system administrator / webmaster in leading Web Hosting companies and data center located in India/US/UK. Involved in setting up of web server using Apache, DNS, MySQL and Mail Servers with troubleshooting/maintaining it. Apache PHP Perl with remotely monitoring and administering Linux servers using various tools. Expertise in: Linux Server Distributions :: RedHat, CentOS, Fedora, Ubuntu. Panels :: cPanel / WHM / Plesk / Webadmin - Migrations, management, hardening, configuration, maintenance and high level of Administration. Databases Administration :: MySQL tweaking and tuning, Mysql replication (Master & Slave) for High traffic. Mail Servers :: Exim, Sendmail, PostFix etc. Deployed Monitoring systems such as :: Nagios, Cacti, and Munin. Virtualisation :: Openvz/Virtuozzo. Migrations :: Wordpress/Magento/cPanel migration plans and implementation, backup-restore and recovery plans. Improve and Fix performance issues, service optimization, security issues and deployments.

    $12.22 /hr
    14 hours
    4.94
  10. Aram Harutyunyan

    Aram Harutyunyan

    Senior Database Developer

    Armenia - Last active: 1 day ago - Tests: 7

    I have more then 3 years of experience as a senior programmer working with databases MS SQL Server/Transact-SQL, Oracle PL/SQL, and developing hard SQL scripts in a big company. •writing pl/sql scripts for reporting systems • involved in business intelligence application administration • administrating Unix based reporting system • analyzing ETL processes • analyzing database data correctness • preparing reports on monthly and weekly basis • daily monitoring of business data Motivated, accurate, detail oriented team player with: • Managerial and organizational skills • High sense of responsibility, accuracy, integrity and commitment, • Ability to solve complex problems, • Ability of effective time-management and multi-tasking, • Ability to work well under pressure and meet short dead-lines.

    $20.00 /hr
    75 hours
    5.00