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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: August 1, 2015
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  1. Sarath S.

    Sarath S.

    Linux Webhosting System Administrator

    India - Last active: 5 days ago - Tests: 2 - Portfolio: 2

    Over the last 5 years, I've been working with a Web Hosting support company, where I had to handle cPanel/WHM, Direct admin, Plesk (basic windows hosting), Apache/Litespeed, MySQL, basic PHP, Exim, DNS(bind9) and many other applications and cloud servers . Has experience in setting cPanel based cloud Linux with all the server hardening’s and also have the basics of bash scripting. Have experience in both voice and ticket support system(WHMCS, OsTicket etc). Can handle tickets with least response time and with good technical resolution and customer satisfaction since I'm having another 1.5 years of exp in BPO voice support for a Multi National Company. I've experience and have configured LDAP, R1 soft backup for cPanel accounts, duplicity backups etc. I also have experience in setting up Linux servers, installing custom scripts, hardening the server etc. I also have knowledge in OpenVZ, xen and VMware virtualization. Has experience in configuring the said virtualizations. I'm an expert in Nagios monitoring and with various other monitoring tools. TECHNICAL DATA SUMMARY: -COMPLETE LINUX SERVER MAINTENANCE/TROUBLESHOOTING (RHEL, Centos, Debian, Ubuntu) -VIRTUALIZATION: (Vmware, Openvz, Virtuozzo, Xen, KVM, vserver) -CLOUD HOSTING (Amazon EC2, AWS, S3) -NETWORKING (dhcp,DNS:powerdns/bind/named)VPN: openvpn/pptp FIREWALL: iptables/ipfw, qos, proxies -WEB SERVERS (apache, nginx, lighttpd, tomcat) -MAIL SERVERS (exim, postfix, qmail, antispam/ antivirus:clamav/spamassassin/amavis, courier, dovecot), -BULK MARKETING (Dkim, spf, high speed/inboxing) -MONITORING (zabbix, Nagios ) -HOSTING CONTROL PANELS (Cpanel/WHM, Plesk, Directadmin) -MIGRATIONS/TRANSFERS (Websites, Emails and Application migrations with zero or no downtime guaranteed) CUSTOMER/CLIENT GENERAL WORK NATURE SUMMARY: -Always available in case of emergency just a ring away(Has both Mobile and landline number). -Has setup multiple monitors in twinview mode which helps to multitask easily and helps in reducing the ticket response times. -Experience in BPO has improved my customer satisfaction skills. I always believe in the fact that a Customer is always the king. -Fast and reliable internet connection with a standby emergency WiFi network. -Two laptops(Ubuntu and Windows) and a desktop in case of emergency. -Flexible work hours and is ready to work on weekdays too. -Trustworthy and transparent work. -Will provide daily shift reports in a well formatted way. Sit back and relax while I handle your SERVERS!!!!!

    $7.77 /hr
    358 hours
    4.69
  2. Nuwan Lasantha

    Nuwan Lasantha

    Webdeveloper/ webdesigner/ PHP/HTML/Wordpress/CSS/jquery/Silver Stripe

    Japan - Last active: 8 days ago - Tests: 7 - Portfolio: 6

    I am good quality worker. Contact me. You won't be disappointed. I am professional WordPress & SilverStripe web Developer and E-commerce Expert. Last 5 years I have successfully done a lot of Web-Design and Personal Assistant work. I enjoy working on............. # Responsive Web Design in WordPress. # PSD to HTML, HTML to WordPress. # Fluent in HTML, CSS, PHP, JS coding. # All kinds of Silver Stripe Work. # All kinds of WordPress Theme Customization. # SEO and E-commerce Expert. # Email Marketing and Server Configuration. I have a excellent reputation as a hard worker and talented WordPress web site Developer and would be happy to provide references upon request. Here are some of my experience details (will update day by day): ,,,,,,,,,,,,,,,,,,,,,,,, -:) WordPress (:- ''''''''''''''''''''''''''''''''''''''''''''''' 1. Responsive Web Design. 2. Excellent experience in Genesis Framework, Less framework, Twitter Bootstrap. 3. Theme-forest, thesis, Child theme and any other WordPress theme customization. 4. WordPress website Re-Design. 5. Any kinds of Plugin installation and Editing. 6. Hosting Transfer and cPanel Expert. 7. Content Management, Content Transfer. 8. Update WordPress theme and plugins as my client expectation. 9. Work as a Website Manager or Admin Support to manage all kinds of WordPress website Work. Till now I have created 100+ website. ,,,,,,,,,,,,,,,,,,,,,,,,,,, -:) E-Commerce (:- '''''''''''''''''''''''''''''''''''''''''''''''''''''' 1. Excellent Experience in Woo-commerce, Magento, Shopplugins, Cart66 and other E-commerce platform. 2. Install and customize E-commerce plugin on website. 3. Integrate Payment Method. 4. Customize Product Landing pages. 5. Customize E-commerce theme. 6. Product management, Product Transfer. 7. Change Product image size for product landing page as my client expectation. 8. Change Permalink for Product landing page. 9. Familiar With other E-commerce Plugins. ,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, -:) Search Engine Optimization (:- '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' 1. On Page SEO Expert. 2. OFF Page SEO Expert. 3. Committed to increase page rank on Google and other search Engine. 4. I can make your site top of the Google search within short time. I am graduated in Computer Science from UCSC . I am reliable and can easily follow instructions. I am Highly self motivated and creative on work. I am full time freelancer ( available the day and Evening without late night.). I like to work with my good quality and also like to get good feedback from my Client.

    Groups: StrongMail

    $20.00 /hr
    100 hours
    4.74
  3. Lee Pham

    Lee Pham

    Senior PHP + Mysql + MEAN Developer

    Vietnam - Last active: 2 days ago - Tests: 5 - Portfolio: 8

    --- I'm looking for LONG-TERM cooperation --- Over the last 5 years, I have developed a wide range of websites using PHP, PHP framework(Codeigniter, CakePHP, Symfony, Laravel) and MySQL including sites for startup companies and small/large businesses. I also have strong experience in the following areas: Javascript, Jquery, AJAX, NodeJs, AngularJs, Express, MongoDB, SQL optimization, OOP, big data, Memcached, HighChart...

    $25.00 /hr
    23 hours
    5.00
  4. Igor Taskovski

    Igor Taskovski

    Professional Wordpress, SEO, PHP, Web Development, HTML5, CSS3, Perl

    Taiwan - Last active: 3 days ago - Tests: 8 - Portfolio: 4

    I strive for excellence and constantly educate myself and develop my professional skills in order to maximize career opportunities. Among my characteristics is the ability to communicate effectively at different levels and having successfully undertaken a variety of roles throughout my career, I believe I am a flexible employee. I can positively contribute with leadership and managerial skills to a project and have developed strong motivational skills. I also have the ability to work effectively in a team environment. I have a lot of experience working with HTML, CSS and Wordpress developing websites for small businesses. During my daily job in my current position, I mostly use Perl, SQL, XML and BASH. SKILLS • Proactive learner, self-motivated, detail-oriented and well organized • Very resourceful and trainable, Responsible and reliable team player with a set of strong technical skills • Ability to work independently and efficiently to meet deadlines • Excellent communication, documentation, interpersonal, organizational and presentation skills • Ability to adapt quickly to an existing, complex environment • Ability and willingness to quickly learn new concepts and software • Proven skills in working with people from a diverse array of backgrounds and cultures • Strong verbal and written communication skills COMPUTING AND TECHNICAL KNOWLEDGE • Perl, EPM, XML, Linux Shell scripting, PHP, MySQL, Oracle SQL, HTML, CSS, JavaScript, Putty, SSH Client, FTP, VMWare, VirtualBox, WinSCP, JIRA, IBM Lotus Notes, MS outlook, MS Office • Experience with hardware and software issues • Specialized in working with command line in UNIX/Linux systems • Experienced with LAN administration including installing switches, wireless routers, etc.

    $10.00 /hr
    491 hours
    4.99
  5. Andriamboavonjy RavoTiana

    Andriamboavonjy RavoTiana

    WebDev / V.Assistant

    Madagascar - Last active: 1 day ago - Tests: 11 - Portfolio: 2

    I'm Webdeveloper, Linux administrator and Virtual Assistant in Management & Marketing. My expertises: Webdevelopment, Linux Administration, Web Marketing, Online Market Study. - Webdevelopment: I can manage project using Wordpress or other with special tasks like theme customization, plugin and module programming. - Web marketing: I also work as virtual assistant for different tasks, especially, SEO. - Linux Server: Install Linux Operating System (Centos, RedHat, Ubuntu) and softwares. Python and Shell scripting. Feel free to contact me, then we will work together.

    $10.00 /hr
    195 hours
    5.00
  6. Ahmed Qadeer

    Ahmed Qadeer

    Expert in Linux and Blog writing

    Pakistan - Last active: 6 days ago - Tests: 3 - Portfolio: 2

    I am working as Linux Administrator in a multi national firm for almost three years. My expertise include Apache, Mysql, PhP , Kannel, Nodejs, Asterisk, Opensips, VPS related issues. I have extensive experience in System Administration from Installation to deployment and maintenance using major open source softwares like Nagios, Monitorix, Monit, Cacti and Zabbix. I am very comfortable in working on Cpanel and SSH. Meanwhile I do blog writing as a hobby due to which I have been associated with "Uploadessays" for one year. My own Technical blog is easylinuxforeveryone.blogspot.com

    $12.00 /hr
    30 hours
    5.00
  7. Kale Nostrand

    Kale Nostrand

    Freelance SEO/SEM * Webmaster * Account Manager * Data Analyst

    United States - Last active: 4 days ago - Tests: 2

    Multifaceted, efficient & reliable manager of projects, accounts and escalations with extraordinary interactive people skills, intuitive customer service and 100% resolution via management or coordinator roles across consumer and B2B entities. Cultivate, fortify and validate multiple technical skills including SEO, SEM, webmaster, web analytics, data analysis and a wide range of technical support topics. Consistently and creatively, execute strong leadership abilities within diverse groups as well as facilitate all affairs cross-functionally & cohesively.

    $27.78 /hr
    120 hours
    4.85
  8. Rex W.

    Rex W.

    System Admin / E-mail support / Technical support / Remote Support

    India - Last active: 4 days ago - Tests: 9 - Portfolio: 3

    Over 10 years of experience in IT field as System Administrator / Technical Support Engineer to install, maintain and troubleshoot Linux and Windows systems. Skilled in various software/hardware where problem solving skills, application and systems knowledge can be put in for prompt and successful maintenance of systems infrastructure. Currently looking for a Technical Support Engineer position with challenging opportunity that would use and grow my IT experience. Technical Certifications and Skills: ADCHN - Advanced Diploma in Computer Hardware and Networking. CCNA - Cisco Certified Network Associate Trained (640-802). RHCE - A RHCE Engineer

    $12.22 /hr
    3,707 hours
    4.98
  9. Alex K.

    Alex K.

    Python Web Developer

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

    I am a Python developer.I'm Russian Python developer with Masters Degree in Computer Science and 5+ years of experience. I prefer to work with Python, Django, Flask, Tornado, PostgreSQL. I'm very responsible person. I'm an industrious, responsible person,it's easy to find common language with me. I execute work with a high quality and within scheduled time.

    $33.33 /hr
    2,556 hours
    4.93
  10. Muhammad Asif Tasleem

    Muhammad Asif Tasleem

    Java EE, Android, RoR, DevOps & Linux Architect & Developer

    Saudi Arabia - Last active: 4 days ago - Tests: 11 - Portfolio: 4

    Over the past 12 years, I have developed solutions ranging from mobile applications to large enterprise systems including business domains like Mobile and Branchless Banking, VoIP Telecom, Healthcare, Operations Management and Messaging Systems. Following are the details of my experience: Experience of Application life cycle from development, deployment and operations Working on EMR, Billing, CPOE, Master Patient Index, Patient Profile Worked on several business domains including Healthcare, Telecom & VoIP, Mobile and Branchless Banking, Operations & Projects Management Worked in multi-cultural teams and various development methodologies including Waterfall, Incremental, Agile (SCRUM) Worked in CMMI level 5 and ISO Certified companies Extensive knowledge of developing scalable and highly available systems. Worked on BigMemory, Ehcache, Hibernate L2 Cache, Hibernate Search and Lucene Indexing Worked on MongoDB with Hibernate OGM and Spring Data Experience in Apache Tomcat Load Balancing with Apache Web Server & Clustering providing session replication, JBoss Application Server Clustering Worked on integration with Payment Gateways including Apple App Store, Google Wallet Play Store, integration with SMSC's & USSDC's using Kannel (SMPP) and integration with GCM, APNS, MPNS Developed multiple solutions using Openfire, XMPP and Kraken, ActiveMQ, JMS and Queueing Solutions, Configured clustered and embedded ActiveMQ Servers Externalized logic using Drool Expert and Drools Guvnor Server Hands on Linux (Ubuntu, CentOS, RHEL), AWS, EC2 and other cloud environments Hands on experience on Web & Enterprise Application using multiple stacks: jQuery UI, jQuery, JSP, Spring MVC/Struts2, Spring, EJB, JPA/Hibernate, Apache Tomcat/JBoss AS and Oracle/MySQL ASP.net, WCF, NHibernate, IIS7 and MS SQL Server Bootstrap, jQuery, Rails 4, Nginx and MySQL Key Skills: Java EE Web & Application Profile: JSP, Servlet, JPA, EJB 3, JMS, JAX-RS, JAX-WS, Spring Framework (Core, MVC, JMS, JDBC, Batch, Security), Hibernate (Core, Validators, Envers, Search), Struts2, jQuery, JasperReports (iReport), Android, Java ME, Ruby on Rails (RoR), Bootstrap, Drools 5.5, Quartz, XML (DOM, SAX, JAXB, JAXP), Apache CXF, Logging (Log4J, slf4j), Maven, Ant, Apache Commons Servers: Tomcat 6 & 7, JBoss AS 7, Apache 2.2, Nginx, Kannel SMS & USSD Integration over SMPP, Openfire (XMPP) server, Drools Guvnor 5.5, ActiveMQ 5.x, Funambol, High Availability: Tomcat Clustering, Apache Load Balancing, JBoss Clustering, Tomcat Embedded ActiveMQ, Clustered Quartz Mobile Applications: Android, Android NDK, Java ME, MIDP 2.0, J2mePolish, LWUIT, J2MEUnit, Windows Mobile 6.0, Cobertura, XML Pull Parsers, kXML Parser, BlackBerry .Net Technologies: .Net 3.5, C#, WCF, NHibernate, Log4net, NUnit, Enterprise Library 5 Network Programming: C#, Java, C & C++ (POSIX), C# Asynchronous Sockets, Kannel SMS & USSD Integration over SMPP, RIP protocol Databases: MySQL 5.x, Oracle 11g R2, Microsoft SQL Server 2008, MS Access 2003, Inter System Caché 5.0, Cassandra (NoSQL), DML, DDL & DCL, Partioning, Federation Operating Systems: Linux (CentOS 5, RHE Linux 4, Ubuntu Server 12.04), Windows 2008 Server, Solaris, Mac OSX Leopard 10.5.8 Tools Used: Eclipse, Spring Tools Suite, EclipseME, NetBeans, MS Visual Studio, Rational Rose, MS Visio, MS Project, Visual Source Safe, Tortoise SVN, Emacs, GCC, PhpMyAdmin, MySQL Utilities, CodeSmith Code generator, Enterprise Architect, Notepad++, Project.Net, MySQL Workbench, SQL Designer, SQLyog, WinSCP, FileZilla Data Warehousing: Pentaho (BI Server, Mondrian, Kettle, Weka), FastLoad scripting, Data Cleansing, Data Staging in Teradata, OLAP and ETL techniques, Star Schema Modeling, MySQL InfoBright Documentation: Proposal Writing, Requirements Specification, Functional Specification, Use Case Analysis, UML Standards: CMMI, ISO 9000, ISO27000, W3C, OWASP, Jabber Standard Training and Workshops: PMP Training @ PMI Chapter, Lahore: Attended a four days workshop at PMI Chapter, Lahore to earn required PDU’s for PMP Certification exam. Workshop on Cryptography: Attended a two days workshop at LUMS on Basis of Cryptography on Number Theory, Block Ciphers, Stream Ciphers and Private and Public Key Cryptography ISO 9001:2000, QMS and CMMI: Received a two days training for working as Internal Auditor for ISO 9001:2000 and CMMI based QMS SCAMPI-A: Participated in SCAMPI-A evaluations at Descon Information Systems & NetSol Technologies Trainings on Organizational Standard Software Process: • Software Product Engineering (SPE) • Verification & Peer Reviews • Code Baseline and Release Management • Software Configuration Management, Project Tracking & Oversight

    $35.00 /hr
    657 hours
    4.65