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, 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. Istvan Zseller

    Istvan Zseller

    journalist

    Serbia - Last active: 15 hours ago - Tests: 6 - Portfolio: 18

    I am a freelance journalist. I have been working for Hungarian, Serbian newspapers, TV and radio channels for more than 15 years. I was working as an editor for 3 years. Before my journalistic career I attended a secondary medical school, and was working in the field as an RN. From time to time I translated various documents from English to Hungarian and Serbian. I am a Linux enthusiast. I am fluent in English (started to learn it when I was six years old ), Hungarian (my mother tongue) , Serbian (I was born there) , Croatian, and I understand German , Italian and French.

    $11.11 /hr
    3,866 hours
    4.88
  2. Alfonso Valdes

    Alfonso Valdes

    Sr Linux / Amazon EC2 / Migrations / Nginx / Security / DevOps

    Mexico - Last active: 15 hours ago - Tests: 4 - Portfolio: 6

    A self-motivated System and Network security administrator with more than 10 years in the management and analysis of Linux/Unix enterprise Servers (60- 70 servers). With deep and advance knowledge of highly scalable servers, Cloud Computing, High performance, Hardening Servers, Migrations, Ethical hacking, Development Operations - DevOps, Open Source services and Server optimization. Certifications such as: Certified Ethical Hacker - Red Hat Certified Engineer - Cisco CCNA. Expertise in: MIGRATIONS: AMAZON/Wordpress/Magento/LAMP/Cpanel migration plans and implementation, backup-restore and recovery plans. I have helped dozens of clients migrate their web sites and applications into the CLOUD VPC. Design and build Web Servers with HIGH PERFORMANCE (LAMP, NGINX/python, Nginx/Varnish, Nginx/php-fpm, Jboss, Apache tomcat and Varnish) - Improve and Fix performance issues, service optimization, security issues and deployments. MALWARE removal and analysis: WordPress / Magento / Joomla Malware removal and remediation, Incident handling and Forensics analysis. BOOST and optimize websites with: NGINX, Varnish, REDIS, Amazon S3, Memcached, APC, apache tunning and mysql tunning, Amazon CloudFront and more. Amazon Cloud Computing (AWS) - AMAZON EC2, amazon CDN S3, amazon RDS, amazon ELB, Amazon AutoScaling, Amazon VPC, CloudFront, Route53, etc. Also Management of multiple Control panels like Rackspace Cloud Computing, SoftLayer, GoDaddy, HostGator, dreamhost and MediaTemple. DevOps and Continuous integration: Docker + vagrant, Vagrant + Puppet, Puppet + Git, Docker + Ansible. Continuous integration with Jenkins, travisCI, distelli and more... Designing and deploying scalable & Highly available systems such as: Amazon Load Balancing (ELB), Hearbeat, HAProxy, mysql cluster, apache cluster... Network and web security such as: Vulnerability Assessments, Hardening servers, security audits, Penetration testing, Virus/Malware/Threats/Vulnerabilities countermeasures, web security, fail2ban, Tripwire-AIDE-OSSEC, mod_security, mod_evasive, Denial of Services (DDOS) countermeasures, Firewalls (iptables, CSF and apf), etc. VPS: Cpanel / WHM / Plesk / DirectAdmin / Webadmin - Migrations, management, hardening, configuration, maintenance and high level of Administration. Databases Administration such as: Mysql tweaking and tunning, MongoDB, load balancing and Mysql replication (Master & Slave) for High traffic. Database: Mysql tweaking and tunning, MongoDB, ElasticSearch, Apache Solr, Sphinx, lucene, MariaDB, Postgresql replication & Pgpool, Mysql load balancing and Mysql replication (Master & Slave) for High traffic. Networking: TCP/IP high expertise, NAT, FIREWALLS, CISCO routing and switching and Packet analysis with tcpdump and wireshark. Storage solutions and Directory management: SAMBA, NFS, FTP and sftp. LVM and RAID*. SCRIPTING: Bash and python. Proficient with MAIL Servers: postfix, sendmail and Zimbra. Source control versioning: GIT and SVN. Deploying and maintaining Monitoring systems such as: nagios, ZAbbix, cacti and Jboss Operation Network (JON). Backups solutions: amanda, rsync, Amazon backups and rsnapshot. Research & development (R & D) for any open source service and technology.

    $24.99 /hr
    8,234 hours
    4.87
  3. Le Van Du

    Le Van Du

    Magento, Ecommerce, Wordpress, CMS

    Vietnam - Last active: 14 days ago - Tests: 4 - Portfolio: 1

    I have more than 8 years experience in developing website, application using PHP, Mysql, HTML (all version), CSS (all version), javascript (include jQuery, Prototypejs) I also have more than 5 years exprience with eCommerce with VirtueMart, WoodCommerce, ZendCart, Magento I also have more than 3 years experience with C/C++ on Linux, Telecom system. I'm independent developer. Specially, I'm a patience and carefully developer!

    $16.67 /hr
    28 hours
    4.98
  4. Waseem Aslam Awan

    Waseem Aslam Awan

    Network / System Engineer (Cisco, Windows 2003/2008 server, VMware)

    Pakistan - Last active: 28 days ago - Tests: 9 - Portfolio: 2

    I am working in an ISP (Internet Service Provider) for last 5 years. I am qualified as MSc. Data Networks and Security from Birmingham City University, UK and certifications from Cisco (CCNA, CCNP, CCIP, CCIE), Microsoft (MCSA, MCSE), Juniper (JNCIA, JNCIS, JNCIP) and VMware (VCP). I have good experience and knowledge of Network administration and design on VMware, Microsoft and Cisco platforms. Key skills are as follow; Cisco/Juniper Platform: MPLS Traffic Engineering, MPLS VPNs, OSPF, BGP, Policy based routing, VPN, WLAN, VLANs, STP, Inter VLAN routing, GLBP, L2TPs and others. Microsoft Platform: Windows 2003, 2008 & 20012 Server, Active Directory, ISA 2007 Server, MS Exchange Server, Print and File Servers, GPMC, DNS, DHCP, IIS, FTP, MS Office, Microsoft Visio and others. VmWare Platform: VmWare ESX servers, vSphere, vMotion, vCenter, Network virtualization, VmWare Workstation. Network Management Tools: Syslog, TACACS, OpenNMS, Cacti, Fluke Network Inspector, Orion Network Management, OPNET, Norton Ghost, Backup Exec 11d. & Anti Virus Softwares.

    $10.00 /hr
    11 hours
    5.00
  5. Carlos Sura

    Carlos Sura

    System Administrator / Web Developer

    El Salvador - Last active: 17 days ago - Portfolio: 3

    Over the last 5 years, I have developed a wide range of websites using HMTL, PHP and MySQL including sites for startup companies and small businesses. Also, I've provide solutions for email marketing, web hosting, email servers, everything to ensure security, stability and delivery. Experience in: - DKIM - SPF - rDNS - BIND - Postfix - PowerMTA - Amazon SES - Nginx - Zimbra And many more... I also have some experience in the following areas: SQL, Ajax, Ruby, Java.

    $27.78 /hr
    603 hours
    4.92
  6. Priyaranjan Sahu

    Priyaranjan Sahu

    Expert in Linux and Windows server administration.

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

    --> DNS management (Registrar end and Hosting end), --> Mail Services (Postfix, Qmail, Exim, Mail enable, Exchange), --> FTP Services (Proftpd, PureFTP,VSFTP), --> Plesk Panel (Windows and Linux), --> Cpanel (Linux) and Enkompass (Windows), --> Virtuoozzo (VPS, Linux and Windows), --> Webmail (Roundcube, Horde, Squirrel, Atmail), --> Database (MySQL, MSSQL, Jet) --> Statistics analysers (Awstats, Webalizer and etc) --> SPAM checkers (Spamassasin, Boxtrapper) --> Network Administration (CCNA, Linux and Windows) --> Webservers (Apache, Nginx, IIS) --> CMS (Wordpress, Joomla, Magento, PHPFox, Wiki, Forums, Drupal) --> Technical SEO with speed optimisation from server end. --> Scripts installation (PHP, Perl, Shell) --> Server Hardening. --> Installation of Softwares on a server environment. --> Migration and setup of websites with minimum downtime. --> Technical article writing. --> Active Directory. --> Lync Server. ---> Parallels Operations Automation. --> Parallels Business Automation. I am glad to provide Technical help related with Servers both Linux and Windows as well as technical help related with wordpress, Joomla, Magento, Drupal and SEO optimizations. I have worked with Parallels Products like Virtuoozzo, Plesk and also worked with Cpanel from the past 3 years totally dedicated. I am an expert in Web-hosting industry. I am also an expert in Network administration. Please check my Blog for some solutions: http://linwintech.blogspot.com/

    $22.22 /hr
    21 hours
    4.84
  7. Angelo C.

    Angelo C.

    Linux/Unix System Administrator

    Italy - Last active: 6 days ago - Tests: 4

    Ten years of experience in IT system administrator for the most important news corporations in Italy. My skills include a deep knowledge of Rehat/Centos, nginix and Apache , Mysql. I'm also able to develop php html websites, manage and modify wordpress, drupal templates. My latest jobs consisted to admin over a hundred of server used to publish website content ( varmish+apache+php+mysql are the technology used). Most of this server was virtualized under VMWARE ESX or XEN hypervisor. I’ve also administer several Windows 2008 servers with MS SQL Server 2005/2008 and Exchange Server 2003,2010.

    $25.00 /hr
    88 hours
    4.96
  8. Dmitri Brach

    Dmitri Brach

    Application Developer

    Estonia - Last active: 1 month ago - Tests: 5 - Portfolio: 1

    Hi! I'm a developer with deep knowledge in C/C++ and Python. Web- and system applications. SQL/Mongo. Linux, git. HTML, CSS, JavaScript. GAE, LAMP, memcached. I am a hard working man and try to build my career here. I have several degrees in software development: C http://www.intuit.ru/diploma/mD3BCLVYElHX/A00096202/ C++ http://www.intuit.ru/diploma/mD3BCLVYElHX/A00105209/ Python http://www.intuit.ru/diplom/mD3BCLVYElHX/A00196905 HTML5, Flask, Django. Developed a lot of scrapers and parsers of all of types.

    $13.00 /hr
    311 hours
    4.67
  9. Koichi H.

    Koichi H.

    Technical Web Assistant

    Indonesia - Last active: 15 hours ago - Tests: 10 - Portfolio: 12

    Hello, Thank you for reviewing my profile, I'm Koichi - a freelancer from Bandung, Indonesia. I've been working on several nature of works : - Technical Support ++ Windows and Linux desktop support ++ Technical documentations writing (user manuals, how to's, etc) - Web Development ++ Wordpress (theme modifications, static html to wp porting, custom functions implementations) ++ Content management ++ Basic SEO (on page and off page) - Graphic design ++ Logo design ++ Magazine layouts - Online research and data entry I'm a fast learner, pays attention to details and surely can follow any guidelines. Thank you

    Groups: Bluehost Developers and Designers

    $5.56 /hr
    1,931 hours
    4.75
  10. Vamsi prakash P.

    Vamsi prakash P.

    QA Expert - Manual / Beta / Lead / Redmine / eCommerce / Agile

    India - Last active: 1 day ago - Tests: 7 - Portfolio: 2

    Strong expertise in Manual Testing Process, Agile Methodology and Leading Test activities from end to end. My experience includes working for e-Commerce Web applications, Client - Server architectures, ERP Products and world class security products on SIEM domain. Accountability, Quality and Committed services are my instant strengths and I looking forward for a great association where my services makes the difference to the company I work for.

    $15.00 /hr
    1,183 hours
    4.80