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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.

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

602

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: July 1, 2015
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  1. Daniel Yavorovich

    Daniel Yavorovich

    System Administrator

    Ukraine - Last active: 1 month ago - Portfolio: 1

    Operating Systems ● FreeBSD ● Linux Security ● iptables ● openssl ● jail ● clamav ● mod_security ● mod_clamav DNS ● Bind ● PowerDNS (+PostgreSQL / +MySQL) HTTP ● Apache ○ MPM: prefork, worker ○ mod_ssl, mod_php, mod_wsgi ● Nginx ○ Access control ○ Autoindex ○ Fast-CGI ○ uWSGI ○ Proxy ○ Cache ○ SSL ○ upload_progress_module ○ Control panel integration ■ Virtualmin ■ DirectAdmin ■ Plesk Proxy ● squid ○ basic auth ○ transparent proxy ○ cache ● 3proxy ○ http/socks ○ auth Raid ● Linux ○ md(0,1,5,6,10) ● FreeBSD ○ Gmirror / Striping File Systems: ● Ext 2,3,4 ● ReiserFS ● XFS ● OCFS2 ● ZFS (port to FreeBSD) ● CEPH CVS ● SVN ● Mercurial ● GIT ○ GitLab ○ GitoLite Backup ● rsync ● BackupPC ● Bacula FTP ● ProFTPd ● VSFTPD File sharing ● NFS ● SAMBA Control Panel ● Direct Admin ● Webmin+Virtualmin ● CPanel ● ISP-config ● Plesk Automatization ● Puppet ● Saltstack Monitoring ● Zabbix ● Nagios ● Munin ● Monit Network Understanding of theoretical and practical foundations of the networks (Data link, Network, Transport, Application Layers). VPN ● OpenVPN ● PPTP Database (SQL) ● MySQL (+MariaDB, +Percona) ● PostgreSQL Database (NoSQL) ● ElasticSearch ● Riak ● MongoDB ● Cassandra ● Redis Virtualization & Containerization ● KVM ● XEN ● OpenVZ ● LXC ● Docker ● Vagrant Cluster ● DRBD ○ master-slave ○ master-master (+ocfs2) ● Heartbeat ● Pacemaker Development ● actively use: ○ shell (bash, sh) ○ Python ● Frameworks ○ Django ○ Flask ○ Twisted ○ Tornado Cloud Solutions: ● AWS (EC2, S3, CloudFront, Route53) ● DigitalOcean ● RackSpace

    $33.33 /hr
    40 hours
    5.00
  2. Ambiorix Rodriguez Placencio

    Ambiorix Rodriguez Placencio

    Asterisk/PHP/MYSQL/Vicidial/FreePBX/Linux/Expert

    Dominican Republic - Last active: 1 day ago - Tests: 1 - Portfolio: 5

    Extensive, practical and relevant industry experience in the following area : -> Asterisk and FreePBX customizations. -> Custom Asterisk Development (PHPAGI,Bash Scripting). -> Hosted PBX Solutions (Amazon AWS, DIgitalOcean, SolarVPS). -> Complex IVR Solutions (Databases Integrations, Web App Integration). -> Call Center Solutions (Vicidial,Goautodial). -> Customized Broadcasting solutions. -> Technical Consultancy. -> Asterisk & MYSQL-PHP Integration. -> Asterisk Security (Fail2ban, IPTABLES). -> PHP&MYSQL Developer.

    $35.00 /hr
    14 hours
    5.00
  3. Sergey Zabolotnikov

    Sergey Zabolotnikov

    Network Administrator

    Russia - Last active: 3 days ago - Tests: 5 - Portfolio: 2

    Hello! My name is Sergey Zabolotnikov. I believe my strong points are my Productivity and Punctuality. My #1 goal will always be to meet your needs and deadline. I'm honest and fair. Since 2004, I'm IT infrastructure administrator at company about 100 employees. Also from 2012 I set up and deploy web-hosting and cloud services. I have a Bachelors in Automation and Software Engineering from South Ural State University in Russia. Listed below are my experience and skills. - Network technologies: TCP/IP stack, VLAN, QoS, LLDP, STP. Network traffic routing, shaping, firewalling based on Linux and FreeBSD. - OS: Linux, Windows, FreeBSD; - LAMP stack, Parallels PLESK Panel, cPanel/WHM, PostgreSQL; - Web-hosting security problems analysis; - Zabbix monitoring system; - Zimbra, Qmail, Exim, Postfix; - Mass email sending systems, email deliverability problems. - Active Directory, Group policy, RDP services, Microsoft SQL server; - DNS, DHCP, PXE, RIS; - Shell scripting and automation on Windows and Linux platforms; - Manual and how-to's creation. Work fast, precisely and attentively. Document all changes to production system. I can create detailed manual for customers to reproduce my work for project by himself.

    $10.00 /hr
    46 hours
    5.00
  4. Sudan D.

    Sudan D.

    Network Engineer : Cisco : Juniper : Fortinet :

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

    Despite the fact I am in young age I have years of experience with computers, networking and system. I am very tenacious and autodiact technical person for Cisco and Juniper Enterprise Network. I love to dig deep into specific technical challenges. 6+ years experience in Enterprise Netwrok. # Hands On Experience # Cisco: ASR 9K, ASR 1K, Nexus 7K, Nexus 5K, 4507R+E, 3900 Series, 2900 Series, 3850 Switches, 3650 Switches, 2960X Switches, ASA 5525X, ASA 5515X, ASA 5512X Juniper: MX40, MX5, SRX 550, SRX 240, SRX 220, SRX 210, SRX 100, EX 4300, EX 4200, EX 3300, EX 2200, MAG 4610, etc. More from Other Vendors # Some Highlights # @ Defining architecture and design for Enterprise customers. @ Lead engineer on some of the big enterprise networking projects. @ Training Internal Employee and customer. Main focus on Cisco and Juniper internetworks at Campus and Enterprise customers http://np.linkedin.com/in/sudandhakal

    $30.00 /hr
    131 hours
    5.00
  5. Negoslav Pejovic

    Negoslav Pejovic

    Team Leader of Technical Support Engineer L1

    Serbia - Last active: 1 day ago - Tests: 2 - Portfolio: 3

    Quick and easy learning as well as pronounced talent to hand over knowledge, adaptability, creativity, burly logic. I’m analytical, devoted to job, undependable, sometimes perfectionist, but always loyal. Additionally I handle the pressure well, meeting the deadlines, being independent in solving tasks, etc. I’m very creative person, modest, and very good in impersonal work with colleges. Experienced at working in thing0 that demand very devoted approach, precision with very short terms and I come upon, in that, excellent. I want to prosper professionally and I’m up to strive in it, whereby overwork or any other activities which can be useful in your business.

    $11.11 /hr
    3,104 hours
    5.00
  6. Alexander S.

    Alexander S.

    Windows, Linux, virtualization engineer

    Russia - Last active: 1 day ago - Tests: 4 - Portfolio: 10

    I specialize in servers administration (Microsoft, Linux) and virtualization technologies (Hyper-V, VMWare,Parallels), with clouds (Office 365, AWS, Azure) I can offer you not only the technical skills (in-depth knowledge of Windows and Linux architectures, local area networks), but also ideas that will contribute to raising the quality of your internal IT-structure. I believe that I can be helpful for your project. • Overall 12 years of work experience in IT. • Experience in building, upgrading and supporting virtual infrastructure based on VMware vSphere (ESXi, vCenter, VCOPS, etc.), Microsoft Hyper-V, VMware View. • Strong knowledge of the principles and technologies of providing High Availability and Disaster Recovery virtual infrastructure such as VMware HA, Fault Tolerance, (S)vMotion, Site Recovery Manager. • Rich experience in P2V (Physical to Virtual) and V2V (Virtual to Virtual) migrations of production customer’s services based on Linux and Windows using VMware vCenter Converter. • Experience in building physical server infrastructure based on HP and IBM server equipment (blade, rack-mount, storage). • Knowledge of the principles SAN and Ethernet networks. • Experience in auditing, troubleshooting and upgrading customer’s server infrastructure. • Working experience with technical documentation (writing and using). Last 8 years I worked in Oil company and Cloud provider company as one of the key specialists on the Teamlead and Senior System Engineer position. My skills can be divided to three main specializations: First of all, my strongest point is enterprise-level virtualization technologies VMware/Microsoft/Parallels: - VMware vSphere 4.0-5.5 - VMware (Horizon) View 4.6/5.0/5.2/6.0 - VMware vCloud Suite - MS Hyper-V 2008/2012 - Parallels Virtuozzo Second area it's Windows/Linux-based services administration: - Microsoft OS and Services: Windows 2003-2012(R2), Active Directory, DNS, DHCP, MS SQL, MS Exchange, Office 365, MS System Center series, Sharepoint - Enterprise infrastructure systems - Symnatec Netbackup, HP Insight Control, Parallels Automation - Service Desk systems OTRS, Kayako, MS Service manager, HP Service Desk - Unix-like OS and Services: CentOS, RHEL, Zabbix, DHCP, DNS, iptables, Apache, Nginx, PHP, MySQL, FTP, Samba The third area is enterprise-level server equipment HP/IBM: - HP Proliant, Blade system, SAN P-series - IBM System X - APC equipment

    $25.00 /hr
    2 hours
    5.00
  7. Ahmed AbdElmaqsoud

    Ahmed AbdElmaqsoud

    Linux System Administrator, Streaming Expert

    Egypt - Last active: 7 days ago - Portfolio: 2

    I am experienced in: • Linux Server Management. • PHP Web Development. • Search Engines’ Optimization (SEO). Personal Statement: I am a self-motivated character, ambitious, hard worker and time manager. Personal Skills: · Good communication skills. · Able to work accurately and neatly. · Good organizational skills. · Able to work with minimum supervision. · Able to communicate information accurately. · Can work under pressure and meet deadlines.

    $35.00 /hr
    0 hours
    4.98
  8. alexander Merkulov

    alexander Merkulov Agency Contractor

    Asterisk/voip/a2billing/freepbx/kamailio expert

    Ukraine - Last active: 5 days ago - Tests: 6 - Portfolio: 5

    My time is my value. So when you choosing me you can expect that job will be done in short terms and perfect. I not like to do something that not need be done, i prefer use developed components and solutions. That not mean i can't do development. I working with different programing tasks for last 26 years. yes, from 6 y.o. I live in it. So i prefer do something new&interesting; I can handle all tasks from linux administration/virtualization upto end-user web for voip. Only task i never do - graphical design part. That is not my field, better hire someone else for design. I have university degree, working with asterisk from start of this project. Have developing experience with freepbx/trixbox&a2billing. I am one of contributor of a2billing.org trunk. Also i can work as mysql/postgres DBA, database architect, has experience with following languages: Perl Python PHP C/C++ Javascript SQL Prolog/Lisp,Forth. In voip i can work with callweaver, asterisk, opensips, kamailio. Developed modules for freepbx, elastix, trixbox, a2billing.

    Associated with: UA Prime Agency

    $67.77 /hr
    545 hours
    4.97
  9. Rasimuddin V.

    Rasimuddin V. Agency Contractor

    System Engineer Linux/Windows (certified RHCE MCTS)

    India - Last active: 5 days ago - Tests: 3 - Portfolio: 1

    Hi I am a RHCE Certified Linux System's Engineer. I am dedicated to my work and who enjoys new challenges and have extensive knowledge about webhosting from domain registration, DNS management, server administration, troubleshooting various system related issues to custom source recompilations of softwares like php apache and any linux softwares. I have worked with Unix, Linux and windows systems. I'm have been fully working for the last 4+ years as a Server Administrator .I'm well experienced in Linux/Windows Server administration tasks in the production and development environments. My Skills include: - Expert in Bash Scripting. - Expert in CPanel and Plesk installation, Migration and troubleshooting. - Installing and configuring Linux / Windows servers Including the Source Code Compilation / Kernal compilation. - Apache/Nginx/Tomcat/IIS Server configuration & Management - PHP Install,configure, recompiling. - Mysql, Postgresql Installation and Mysql replication. - Unix/Linux/Windows Server Management - FreeBSD expert - Good Knowledge of Shell scripting. - Remote SSH Management - Remote FTP Server installation & Management - Remote Server Management - Handling ticket systems Kayako,Request tracker,WHCMS. - 4+ years of experience in handling web hosting clients via chat,tickets and emails. - Database server (MySQL,PostgreSQL,Oracle) Installation and Management - Mail Server Install and Configure (Postfix, Dovecot,Qmail) - cPanel management and migration. - Plesk management,migration & upgrade - Live site Hosting - Live Site Server Management, Migration. - Ecommerce platforms (Magento) - Wordpress/Joomla/E107 expert - Performing server auditing, optimizing and tunings. - Iptables ,S/w firewalls(CSF,APF,Fail2ban), H/w firewalls(Fortigate,juniper,Cisco). - Vm-ware, KVM, Citrix Xen Virtualized Server installation and Management with Solosvm, Convirture control panels. - Amazon Cloud EC2,S3,EBS. I am available during the following time frames and will be online in Odesk or Skype. Weekday : 20:00 - 1:00 IST Weekends : 12:00 - 20:00 IST

    Associated with: techs4u

    $10.00 /hr
    299 hours
    4.95
  10. Alexander J.

    Alexander J.

    Linux Jedi

    United States - Last active: 5 months ago - Tests: 1

    9+ years of experience in the web industry support/abuse and sales. Experienced from small start ups to large scale company deployments on a live environments. Would love to be part of any team small or large. Work very well with others or as an army of one. Specialties - Linux, Apache, Nginx ,Cpanel/WHM, Exim, Security - Tomcat, postfix, shibboleth, Cloud, load balancing - AWS, Amazon, CDN, Wordpress, Joomla - Bash, PHP, MySQL, HTML, SEO, XML, ASP - Abuse/Exploit/Hack tracking and debugging. - Advanced Exim tracking/debugging - Very experienced with ddos attacks small to large - Great with high volume of tickets/support requests.

    $38.89 /hr
    513 hours
    4.28