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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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Time needed to complete a Linux System Administration project on Upwork.

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Linux System Administration Upwork freelancers typically receive a client rating of 4.79.

Last updated: October 1, 2015
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Marifi M.

Network / IT / System


 Hands-on experience on network devices such as routers, switches, wireless access points, modems, voice over IP devices.  Able to plan, design, implement network designs based on customer needs.  Maintain network and ensure the availability most of the time.  Possesses a deep knowledge and experience in devices and networking protocols such as Cisco, Juniper, HP, Adtran, etc.  Expert knowledge of all aspects of TCP/IP  Proficient in routing protocols such as Static, RIPv2, EIGRP, OSPF, BGP.  Can implement and troubleshoot VLANs, VTP, L2 and L3 switching, STP, RSTP, 802.1q on switched networks.  Knowledgeable in WAN technologies (DSU/CSU, NAT/PAT, MPLS, Frame-Relays, ATM, Ethernet, HSSI).  Good understanding of network security, ACLs, Cisco IOS-based firewall and IPSec VPN technology.  Understanding of network analysis such as Wireshark, WAAS (WAN Accelerator) module, Riverbed, Visual.  Disconnection and reconnection of all hardware IT devices of large scale companies  Managed desktop, monitors, docks, cable management of HP, Dell, Toshiba  Installation of Windows Server 2012, Active Directory, Exchange Server 2013, Hyper-V  Installation of anti-virus Trend Micro, Malware bytes  Troubleshooting of Microsoft based computers  Working knowledge in Networking such as routing, switching, security and wireless access points  Knowledgeable in installing, configuring and troubleshooting Windows Server 2003, 2008, and 2012, AD, and Exchange  Working knowledge in troubleshooting Windows 7 problems and other MS based products  Hardworking and willing to work after office hours  Great communication skills  Can work under pressure and with minimal supervision Network Engineer L2 / Desktop Rollout Engineer (casual employment)  Install and configure routers and switches  Install and managed desktop/laptop such as Dell, HP, Toshiba, Apple  Responsible for cable management  Installation of network devices such as switches, wireless access points, etc  Racking and stacking of network devices  Implement RDP and all other needed software for the remote connections  Implements routing protocol (BGP, EIGRP, RIP, OSPF, static), path control, Qos, network management tools based on SLA and ensure the customer has connectivity to all of their sites via Verizon’s Private MPLS network  Installs customer premise equipment such as routers, switches, modems, access servers and network monitoring tools remotely  Install, configure, troubleshoot network device (such as routers, switches, wireless access points, VOIP devices, PABX, firewalls) to all head offices  Configure, troubleshoot network devices remotely for all branches  Inspect and conduct monthly inventory of all network devices (routers, switches, access points) to all head offices  Ensure the availability of network connections of all branches and head offices (with backup circuits)  Add all network devices to a Network Monitoring device (Solarwinds Orion, Nagios)  Responsible for giving ideas and implementing different projects for the network improvement of the company  Provide level 1 support for all the users’ problems with the hardware (printer, desktop, and other user devices)  Communicate with the user through phone, email and personally to isolate all technical issues they encounter such as application error, hardware problems, desktop support  Provides technical assistance to all users (desktop support, hardware problems)  Responsible for the billing statement of all the clients  Assist the AutoCAD Engineer in doing project designs CERTIFICATIONS and TRAININGS o Cisco Certified Network Associate (CCNA) o CCNP Routing and Switching o Linux Basics o Microsoft Basics

$27.78 /hr
0 hours

Julio Garcés Teuber

Julio Garcés Teuber

Project Manager & Senior Web Developer

Argentina - Tests: 10 - Portfolio: 6

I have worked for the past 10 years performing analysis, design, implementation, deployment and maintenance of web applications. I have served in various roles according to the needs of the team. Mainly my tasks have been Developer, Technical Leader, Analyst, Project Manager and DevOps. I've also played administrative tasks (including sales, billing and collections), Testing, Users Support, System and Network Administration among others. A real Swiss Army knife! I have years of experience developing Startups in diverse areas such as health, communication, finance, logistics and social action, in which I participated and advised from idea development to implementation and going live in projects like Leannec ( BigBox ( BigDeal ( and Turistica Online ( among others. I am a proactive goal-oriented person with excellent skills to identify opportunities for improvement, interpret user needs and translate them into tasks to a technology team. I have participated and led web development using various languages and technologies, from Java, PHP, MySQL, SLQ Server, PostgreSQL, CSS, HTML, XML, JSON, UML and jQuery to Bash Scripting, Apache Nutch, Hadoop, Sphinx, Tomcat, OfBiz and Bitcoin. I have also developed sites using Wordpress, Joomla, Concrete5 and various frameworks like CodeIgniter, Symfony and CakePHP. Integration with payment methods (Paypal, MercadoPago, Decidir, BitPay and Dineromail) Web Services (ANMAT and Third-Party) and APIs (Blockchain, SendGrid, GMaps among others). OfBiz based eCommerce, osCommerce, Magento and custom developed. Wordpress Themes, Plugins and Widgets. Development of Web Services and APIs. Maintenance of applications and servers on AWS, Rackspace, DreamHost, GoDaddy and Hostgator.

100% Job Success
$28.00 /hr
84 hours

Vladimir Rybas

Vladimir Rybas

Expert Ruby on Rails Developer, Team Lead, PM

Thailand - Tests: 3

70% of all software projects fail. Why is that happening? A few reasons: - Poor communication - Poor communication - Poor communication - Badly defined requirements - Wrong project's priorities - Sloppy development practices How do I address these issues: *Communication & Requirements clarification* - Monday to Friday daily status meetings at fixed time, suitable for all team members(customer is a team member). - Weekly iteration planning meetings. - Transparent and easy-to-use Project Management tools. *Project prioritization* - Complexity estimation - Short iterations & short feedback loop *Development practices* - Perfectly clean code - Test Driven Development (99% test coverage). - Obligatory code review & collective code ownership. - Domain Driven Design, Lean Architecture, GRASP, SOLID If this sounds good for you, let's get this done. LinkedIn: Github: Tech Blog:

100% Job Success
$100.00 /hr
5,932 hours

Andrey G.

Andrey G.

Experienced PHP developer, Web architect

Ukraine - Tests: 9 - Portfolio: 4

• Backend PHP development – OOP paradigm, MVC model • Website architecture design - setup shared or VPS hostings, integration with Amazon Web Services • Linux administration – assured experience with Ubuntu: Apache, Nginx, MySQL, Redis – performance and security configuration • Frontend development – good experience with HTML, CSS, JS

95% Job Success
$25.00 /hr
9 hours

Andres Vergara

Andres Vergara

Software Engineer + Expert Developer [English-Spanish]

Colombia - Tests: 6 - Portfolio: 14

I'm software engineer/developer. I have around 5 years of experience in the area, managing IT projects and developing a wide range and variety of applications, including: web portals, information systems and other custom solutions as scripts & templates. In this way I have worked with a variety of technologies & platforms at the back, middle and front end such as: Java, JEE, Spring, PHP, Zend Framework, CSS, HTML, JavaScript, JQuery, Ajax, Flash + Action Script SQL, PLSQL, Oracle, MySQL, Postgres SQL, SQL Server. I also have experience developing for Moodle LMS and apps for Android devices & tablets. I am seeking to build opportunities for you and your business. Thanks & regards

$15.60 /hr
1,370 hours

Alexander M.

Alexander M.

Software Developer C++/Qt

Ukraine - Tests: 2 - Portfolio: 5

Software Engineer with 10+ years of diverse experience in software development, systems administration, and database administration. Developer of the opensource report solution CuteReport:

$45.00 /hr
1,307 hours

Althaf M.

Althaf M. Agency Contractor

Certified Web/Software Architect with 10 years experience

India - Tests: 15 - Portfolio: 7

Experience : Experience in architecting and developing softwares for broad range of industries, including Building Management, Energy Management, etc. Have took part in many full SDLC projects and architected few Hybrid products. Well versed with the new paradigm shifts in programming and sound knowledge and experience in system level programming , as well as application programming - especially cross platform complaint solutions. Good linux admin skills as well as automation of many process using scripts. Through knowledge and practical knowhow on scalable web applications as well as web databases. Designed many e-commerce related portals from scratch and made scalable and user friendly approach in the solutions. Have a good overlook on the various aspects of product development and product management and also took part in and contributed to many product marketing strategy building activities. Decade long experience with various technologies and platforms make me learn more and make myself better utilized in various solution architecting and managing activities. Certifications : Certified Software Architect - Carnegie Melon University Certified Green Belt - Six Sigma Engineer (Process) Certified Scrum Master - Scrum Alliance (Agile) Programming/Scripting Languages : C++, PHP, JAVA,JSP,PERL, JAVASCRIPT, HTML5 , CSS2&3, Frameworks/Tools Used : QT using C++, JPA2 - Hibernate, Spring web-mvc, Spring data, Spring security , Spring web flow, Code Igniter, CakePHP, jQuery ,Backbonejs , Underscorejs, Knockoutjs, WebRTC - peerjs, SASS, LESS , REST, SOAP , RTSP, ffmpeg videojs etc. Servers Used , Apache(for php and mysql), Apache Tomcat for java, Glassfish Planning tools used : JIRA , CONFLUENCE, TRELLO, ASANA, Basecamp, Balsamiq Databases - Relational => MySql - Oracle Databases - NoSql => {'Mongo'}, /CouchDb, Solr My Strengths : 1. Quick Learner 2.Perfection (Altruistic) 3. Business Perspective Presently doing partial user experience designing activities - user interviews, Mockups, Card Sorting, Information Architecture, Persona Creation. TRAININGS HTML5, CSS3 and Java Script Training from Microsoft Microsoft training in Win8 Mobile Application Development. Startup Engineering, Standford Unversity Hadoop & Big Data Analytics, Edureka Data Scientist, University of Washington Spring Training from VMWare Mostly online through skype and hangout.

Associated with: SecureBulls

$30.00 /hr
672 hours