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

617

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: August 1, 2015
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  1. Siarhei Kirpichonak

    $30.00 /hr
    1,409 hours
    4.90
  2. Mathew G.

    Mathew G.

    Experienced Customer Support & Core Network Implementation Engineer

    Kenya - Tests: 5

    I am Young focused and hardworking person a holder of Bachelor of Science in Computer Engineering with 5000+ Odesk working hours in Customer and Technical Support in great online software companies and video design Integrations. I have Over 6 Cumulative years in as Customer/Technical support having worked in ISP based on VSAT Communication (KU-band and C-Band of Various Dish Capacities), Hub/NOC Planning & Design, Monitoring for (iDirect, Hughes & NewTec) using Various Management & Monitoring Software (Hughes NMS, iMonitor, NewTec, Packeteer etc) based in ISP’s NMC and Customer Support Departments. In Mobile Telecommunication Experience as a Core Network Integration Engineer for Multinational Telecommunication Vendor (Huawei) CS Products (MSOFTX300/UMG8900/HSS/HLR 9860). Also worked before in same vendor as Solution Architect/Pres-sales Engineer (for CS/PS & Carrier Software Products and Solutions) and as Core Network CS Engineer involved in Core Network Planning, Design and Implementation. I have great work experience in Internet Protocols (SS7 / SIGTRAN/MAP / CAP/ TCAP / CAMEL) , 3GPP CN standards and protocols and in particular BSSAP,RANAP/MAP. I have done Integrations with E/// MSC/BSC (TD/BSC)/RNC, Telepins (MFS), Mavenir's (EIR) and other Vendors.

    $12.22 /hr
    5,679 hours
    4.68
  3. Nathaniel Jennings

    Nathaniel Jennings

    Linux Administrator/Engineer

    United States - Tests: 4 - Portfolio: 1

    Highly skilled general Linux Administration on all flavors, including Solaris and BSD. Thorough C/C++ System Programming understanding and experience, utilizing system calls directly to the Kernel.Can install and maintain existing installs including: RAID, SELinux, remotely manage (SSH), and utilize OpenSource OS's, including BASH Scripts, CRON jobs, custom written Kernel Modules, Python scripting for streamlining tasks, Apache administration, intranet design and implementation including NFS, software RAID, SFTP, fuse SSH drive mounting, KVM and UML optimization and installation including virtual networking (tuntap, iptables, TCPfowarding) iptables, OpenVPN, IPP2P, l7-filtering, server automation, Version Control, automated server creation. I am always willing to learn a new method or tool to complete any task desired of me. I have learned and fine tuned the most widely, in my opinion, needed tasks, but can not wait to have more experience using other technologies. Summary  Passionate autodidactic learner  Quick minded, and open to new methodologies  Attentive to detail  Methodological , precise worker  Highly motivated  Enthusiastic manual reader!  Truly enjoy troubleshooting and problem solving  Linux enthusiast  Open Source enthusiast  MAC OSX proficient  Microsoft functional (can figure out any problem with research) Education Bachelors of Electrical Engineering Tech DeVry Orlando, FL Audio Engineering ARTI Orlando, FL  Big Board installations, computer set up, audio engineering, audio work station design, synthesis, audio technologies, performance, live shows, studio design, acoustic design, digital sound design, Dolby Digital 7.1 design, digital audio theory, digital audio encoding, digital audio Plug-In design, audio software design  Linux Sound Design  Recording engineer  Mixing engineer  Mastering Engineer  Audio hardware Engineer  Logic Pro  Reason  Max/MSP  OSC  PureData Supervisor, Electrical Assistant  Worked for Contractor  Gathered and assessed inventory for job  Managed laborers  Quality Control  Industrial Electrical installations  Residential installations Jennings & Jennings, LLC.  Built Studio  Consumer Audio recording  Mix engineer  Plug-in Development  Composition  Professional music production

    $30.00 /hr
    1,668 hours
    4.03
  4. Gualberto B.

    Gualberto B.

    Eng., Msc

    Paraguay - Tests: 2

    Over the last 19 years, dedicated to developing a wide range of web and desktop applications using Java, Visual Basic, C# and PHP for medium bussines, banks and Paraguay goverment. Usually, I prefer to manage the full application life cycle. With strong knowlodge in Oracle, Postgresql and SQL Server procedural languages. Also done mission-critical telecomunication applications, such as billing systems mediation device and real time calls ticket audit. With strong C and database API management. I have implemented Business Intelligence with Pentaho in various government agencies. Interested in System Design and Development, Maintenance of Existing Web and Desktop Applications, Processing and Bulk data load, Database Administration and Software Testing.

    $33.33 /hr
    2,256 hours
    5.00
  5. Tin S.

    Tin S.

    Linux, Unix, security, remote assistance, Croatia

    Croatia - Tests: 2 - Portfolio: 1

    Manage and secure (Linux/Unix) systems remotely, make systems more secure any easy to use.

    $22.22 /hr
    1,420 hours
    5.00
  6. Abbas U.

    Abbas U. Agency Contractor

    LAMP/Jquery/htm5/mobile/Angularjs/Nodejs/CodeIgniter/Wordpress/Laravel

    Bangladesh - Tests: 5 - Portfolio: 4

    I have more than 10 years experience in Web Programing on the following Technologies: LAMP/Jquery/htm5/JQM/Backbone/Angularjs/Nodejs/CI/ZF/WP/Cake/Phongap/Sencha/Hybrid Apps (Android/Iphone/Windows)/Java/Linux Adminstration Tech Lead,Project Manage

    Groups: Application Developers Alliance

    Associated with: Alifwebsoft Agency

    $15.00 /hr
    2,649 hours
    4.50
  7. Aaron Pardes

    Aaron Pardes

    Django/Flask/Rails Web Developer

    United States - Tests: 3 - Portfolio: 1

    I have a B.S. in Industrial and Systems Engineering and having been doing entrepreneurial web development for 10 years. I specialize in back-end development with Python frameworks (Django and Flask) but I am also proficient with Ruby on Rails. I have worked with many small startups as well as Fortune 50 companies in capacities ranging from developer to product manager. I have extensive experience building and interacting with RESTful API's, data modeling, and project management. You can view my full CV at my website http://pardes.io

    $80.00 /hr
    1,178 hours
    5.00
  8. Alexander Lee

    Alexander Lee Agency Contractor

    IT Support Specialist

    Philippines - Tests: 10

    Over the last decade, I have been working as an IT Support Professional for Business Process Outsourcing (BPO) firms, providing excellent service across Operating System platforms such as Windows, Mac, and Linux. I also have extensive hardware experience considering my Electronics background. That defines my completeness in this field, having delved into systems that required software as well as hardware knowledge. My experience has carried me well through the years. I am as reliable as I can be, attentive to details, punctual on time related matters, and satisfied by nothing but the best.

    Associated with: Business Solutions

    $9.00 /hr
    14,271 hours
    4.99
  9. S M Kamrul Hasan

    S M Kamrul Hasan Agency Contractor

    C# | C++ | DevExpress | WPF | ASP.NET | JS | MySQL | SQLS | GIS | WCF

    Australia - Tests: 11 - Portfolio: 12

    • 6+ years in Commercial Software Lead, Development, Design and Test. • 4+ years in Research Development, Algorithm Design, Modelling and Data Analysis. • PhD and BSc in Computer Science and Engineering. • Specialized in Desktop Applications in C# and C++. • Specialized in UI Design with WPF, DevExpress, RAD Studio, QT and Standard VS 2010-13 Toolset. • Specialized in RDBMS and Entity Framework for C#, C++ and ASP.NET with XPO and ADO.NET. • Specialized in LiDAR, Aerial Survey, Airbone Imaging, GIS Transformation and Projection. • Specialized in Operations Research, Evolutionary Algorithms, Scheduling and Optimization. • Experienced in Web Applications in ASP.NET, JavaScript, jQuery, HTML, CSS. • Experienced in MVVM, MVC, WPF, WCF, TCP/IP and .NET Pipeline. • Experienced in Oracle, MySQL, SQL Server, SQLite and MS Access. • Experienced in 2D/3D, OpenGL, Vector Graphics, EyeShot. • Experienced in AWS APIs; especially S3, RDS and ElastiCache. • Experienced in HPC, Memory Management and CUDA. • Experience of publishing high quality peer-reviewed publications.

    Associated with: OzDreamer IT Solutions

    $35.00 /hr
    1,037 hours
    5.00
  10. Andrei Volkov

    Andrei Volkov Agency Contractor

    Linux specialist (Sec/Opt/Dev, C/Perl/Python/PHP/BASH)

    Belarus - Tests: 5 - Portfolio: 13

    Important: ------------------- Enhanced shield of your Web application with mod_security! Should be always. It is task #1 after installation ANY web application! ------------------- About Me and more: ------------------- I have over 16 years of work experience with Linux systems. This is the list of software and technologies with which I deal. This list is not full and expands day by day. I always can find right decisions if I found some problems. And I am always interested in looking for mostly economical and productive solutions. Of course, Cpanel, WHM, Webmin, Plesk .... I know how are working these web-wrappers and I support their. I can will tune and to make the checking of these wrappers. But that more important !! I can work without this))) Directly use configuration files of services and etc etc. Usually, it is better way on dedicated servers. ) TCP, IPv4 , IPv6, IPX ... - WiFi, WEP, WPA, WPA2 ... - SElinux, Apparmor, Smack, Tomoyo ... - LAMP ( Apache, Nginx, PHP, Perl, Mysql, Mongo), REDMINE ... - Cpanel, Zpanel, ISP ... - MySQL clustering and replication DNS servers ... - SENDMAIL, EXIM, POSTFIX (POSTFIXADMIN,MYSQL,DOVECOT,POLICYD) ... - HPC system: Torque, Maui, Moab for HPC clusters, Infiniband, FC interconnect, iSCSI, SCST, DRBD, OFED, OPENMPI ... - OpenLDAP ... - VPN with OpenVPN, PPTP, StrongVPN ... - Nagios, Zabbix, Ganglia, OSSEC ... - SVN, CVS, GIT ... - KVM, Xen, OpenStack, Proxmox ... - NBD, RAID, LVM ... etc etc During these years I have been in a large number of tasks related to administration of network devices, as well as with simple and complex server systems. I manage servers for the HPC tasks and for network infrastructure of Internet and Intranet - DNS,DHCP,*FTP,HTTP(S),MAIL etc etc. The main goals - the monitoring of the performance and the security. I also implement tasks of data backup and troubleshooting, support for the users. I have comprehensive work skills with systems based on Debian, Redhat, CentOS, SLES, OpenSuse. I've got more than 8 years of experience in developing the different software with use of C, Perl, Python, Bash, HTML on system and user levels. For example, very important skill in developing and the modification of RPM packages (rpmbuild, rebuild, kernels), custom kernels and etc etc. ------------------- Often: ------------------- How the standart service for VPS's and VDS's projects and dedicated servers: IDS, IPS, the control of contents of log's files, the control of load of the cpu, the memory, the hard disks; the backups of the databases and the files; install or update software, consultations. Emergency call via sms to cell phone. ------------------- STOP Windows and U/K/buntu etc. TIPS WITHOUT PAYMENT: ------------------- 1. VERY OFFTEN: IF YOURS WP WAS HACKED 1. disable plugins 2. execute # diff -r dir1 dir2 3. repeat for plugins if you have last version of WP code: ~ 80% cases - problems: plugin low quality (look on author: from where and who is) ~ 15% cases - problems: theme low quality (look on author: from where and who is) ~ 5% 0day of WP also you need disable all shell function in php and enable suphp/suexec modes. STOP Windows and U/K/buntu etc. TIPS WITHOUT PAYMENT: ------------------- 1. I am getting a lot questions about reliability and quality distributives/clones Ubuntu. Results on practice - Ubuntu clones - worst for server. It is truth. If you $buntu guy, I can't help you right now. I only can recommend Debian way for server. =============== 3. Nginx of course is good program. For small/middle vps. But in serious projects - apache. Nginx will be suitable for frontend. It is only practice. Always for all web application should be mod_security module. Firewall of level of web application on 7 level of OSI. Each web application/site should be under own user in environment of vps or on dedicated servers. =============== 4. By topic Wordpress. For optimisation services of OS , namely system IO(type of disks or partitions) and DB(type of engines of tables), need to use empty installation (default variants). Most problems of work WP contains in itself - customized plugins or themes. For analyze pages need begin with such services as http://gtmetrix.com. =============== Sunday - day of rest. Or in emergency case - payment with double rate. best regards, Andrei odesk.by / upwork.link PS: With love from USSR. ;-)

    Associated with: UPWORK.LINK

    $16.00 /hr
    1,009 hours
    4.98