Linux System Administrators & Developers

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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, 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. Scott Reed

    Scott Reed

    Software Engineer

    United States - Last active: 29 days ago - Tests: 2 - Portfolio: 2

    My focus is creating scripts and tools which automate the tasks that are required for the operation of my clients businesses. I identify tasks that my clients spend countless hours manually performing and create automated solutions for the tasks. Tasks which require human input I abstract by creating simple tools for the completion of the tasks. Automating the work that my clients perform for the ongoing operation of their business allows them to focus more of their time on the growth of their business. "Scott Reed is reliable, fast and has an eye for detail while making sure projects he is on meet his own meticulous quality standards." - Pin Chen, CTO of ONTRAPORT.com - #9 in software on Inc. 500, #71 on Forbes most promising companies list, Red Herring Top 100 Winner

    $30.00 /hr
    12 hours
    4.88
  2. Jian S.

    Jian S.

    ISTQB certified Senior Automation QA + Manual tester

    China - Last active: 1 month ago - Tests: 5 - Portfolio: 7

    I have been working in IT industry more than 9 years. In last 9 years, I became a well-experienced tester and QA manager. Testing and managing the testing of project website applications and software products gave me a great experience in creating test-plans, implementing any kind of testing, such as black-box, white-box, automation, functional, stress and ad hoc.I have a big experience in automation testing like selenium webdriver. I passed successfully ISTQB Foundation level exams and received ISTQB certificate. I focus on customers’ success, customers’ success is my success.

    $21.11 /hr
    6,584 hours
    4.85
  3. Shivin Vijai

    Shivin Vijai

    Expert in Amazon Web Service

    India - Last active: 12 days ago - Tests: 3 - Portfolio: 1

    I am Shivin Vijai, 8+ years experience in IT industry. Having experience from L1 to L3 administration task. Currently working as Amazon expert - delivering solutions to the clients in cloud platform and implement them with in time frame. Key factors for me are - Quality, Time management, Cost effective and Scalability.

    $13.33 /hr
    26 hours
    4.66
  4. Kenrick B.

    Kenrick B.

    Professional Software Engineer /w Ruby, JavaScript, Go

    Jamaica - Last active: 1 day ago - Tests: 2 - Portfolio: 4

    I'll start off by saying I love the web. I enjoy building applications to solve interest problems and have been doing so using Ruby on Rails and Node.js for over 7 years. I don't take shortcuts in the development process ensuring the application is well tested and coded. Using proven coding principles and patterns to build a strong foundation which reduces costs and rapidly grows the software. I'm also proficient in linux based operating systems able to deploy and maintain remote servers (AWS, Digital Ocean, Heroku) To learn more about me check out my website: http://kenrick.me or take a look at some of the code I have written: http://github.com/kenrick

    $66.67 /hr
    594 hours
    4.40
  5. Eduard Kalashnikov

    Eduard Kalashnikov

    Full-Stack Developer

    Russia - Last active: 14 days ago - Tests: 8 - Portfolio: 6

    ►Hello. I am an expert web developer and during the last 8 years i develop software using many languages for different Operating Systems. My profile on Russian freelance site: http://freelansim.ru/freelancers/Eduard_90 I've worked with languages: PHP, Javascript, C\C++, Java, Perl, Python, Assembler. I've worked with different OS: Linux, Windows, FreeBSD. For data storage i've used: MySQL(MariaDB), SQLite, PostgreSQL, MSSQL, MongoDB. I have experience developing applications for Android. I have also some application for development of MCU (MicroController Unit) devices (AVR). I have developed many kinds of web applications on different PHP frameworks and CMS for companies and small businesses. I have a lot of experience with HTML (HTML 5) and CSS (Sass). I have worked with template engines: Smarty, Twig. I've worked with frameworks/libraries: PHP - Kohana framework, Zend framework, Yii framework, CodeIgniter framework, FuelPHP framework, CMS Joomla, CMS WordPress, Prestashop Python - Django, Scrapy Javascript - JQuery, KnockoutJS, MooTools CSS - Twitter Bootstrap C++ - Qt (for cross-platform software), OpenCV library (background subtract, captcha recognize) For version control i use Git, Mercurial or SVN (rarely). ► Availability - I work full time and sometimes work hard even 10~12 hours a day. I can often serve you 6 or 7 days a week if required.

    Groups: Kohana

    $16.00 /hr
    28 hours
    4.79
  6. Andrey S.

    Andrey S.

    Server administrator, Backend development, Desktop app devel

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

    More than 7 years experience in linux system administration(CentOS/Fedora/Ubuntu). I have a good knowledge in virtualization systems such as XEN/VMWare/VirtualBox I like work with servers very much and seems it's love me to. I have great experience in linux system and database perfomance analytics and optimizing. More than 10 years C# .NET/mono developer. During this time i developed many desktop applications and applications for task automation and scrapping. In C# i develop my applications for both platforms - Windows and Linux.

    $12.00 /hr
    189 hours
    5.00
  7. Carlito, jr H.

    Carlito, jr H.

    Linux Administrator

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

    I've been in the IT Industry for 13+ years now. I have been doing remote IT assistance to different companies here in the Philippines and the U.S. * Vicidial Installations and Maintenance * Linux / Unix Installation, Administration and Maintenance * Asterisk Installation, Admin and Maintenance * Backend Web Development * Database Administration (MSSQL, MySQL, Oracle, Sybase)

    $13.33 /hr
    3,401 hours
    4.42
  8. Wayan Ari Agustina

    Wayan Ari Agustina

    Java Programmer / Linux Administrator

    Indonesia - Last active: 14 days ago - Tests: 9 - Portfolio: 1

    Around 5 years of experience in Java Programming and Unix Operating System. Experienced in building enterprise application with Java, such as Internet Banking and Middleware System. Key Strength: ✓ Excellent knowledge of Java technologies. ✓ Excellent knowledge of Linux Operating System. ✓ Server performance load testing. ✓ Ability to build a system from zero to production ready. Key Framework: ✓ Spring ✓ JPA ✓ Hibernate ✓ MyBatis ✓ Tapestry ✓ JQuery Operating System: ✓ Linux ✓ Solaris ✓ Windows Database: ✓ MySQL ✓ PostgreSQL ✓ Oracle ✓ SQLServer

    $22.22 /hr
    148 hours
    4.98
  9. Pedro Reis

    Pedro Reis

    Native French, Portuguese Translator / Technical Support Specialist

    Portugal - Last active: 5 days ago - Tests: 3

    I am a freelance French translator specialized in translating websites content, technical Whitepapers, news articles, books, academic material. I mostly translate from English->French, French->English, English->Portuguese, Portuguese->English. I am extremely thorough in my work, and I never miss a deadline. I have a degree in computer science and 10 year experience working in companies like MICROSOFT (Technical Support, Tecnhical writing) and an IBM Partner (Programming). Other areas of expertise are : - Technical Support ( 6 years experience) - T-SQL and RPG (AS400) programming (3 years experience). - ERP/CRM management systems implementation and Technical support (3 years experience) - MS SQL Database Administration

    $7.78 /hr
    54 hours
    5.00
  10. Waqas A.

    Waqas A.

    Mr.

    Pakistan - Last active: 16 days ago - Tests: 3 - Portfolio: 2

     Design and implementation of Vmware ESX and ESXi Server/ Vsphere and other virtual technologies (VMotion, SVMotion, VHA, SVHA, FT, DRS, Power Management etc.)  Performs the tasks of designing Advanced Security & Management Solutions.  Design and implementation of DNS Servers, Unbound DNS Server, Kerio Mail Servers, Send Mail Server, TACACS Server, CRM System, DOCSIS Cable Modem Termination System, Incognito DHCP Broadband Command Centre for CMTS.  Bandwidth management for Optical Fibre customers on Routers and Switches, Monitoring of links by using network performance monitoring tools such as Cacti, Manage Engine Netflow Analyzer, Solar Winds, Smonitor, Nagios etc  Implementation of routed & routing protocols, like OSPF, BGP, EIGRP in live environment  Worked on Cisco 2950, 2960, 3550, 3560, 3750, 6509 switches and 2500, 2600, 2800, 3600, 3700, 7200,  7600 series Routers in real environment approx. 500 Hours.  Implementation of (VLANs, VTP, RSTP, MSTP, ETHERCHANNEL, INTER VLAN ROUTING, HSRP, PRIVATE VLAN, SWITCH PORT SECURITY)  Design and implementation of VPNs ( Site-Site, Remote Access, DMVPN, IPSec over GRE, Get Vpn)  Design and implementation of MPLS VPNs  Management of CAR on routers and switches by rate limited feature  Design and implementation of (AAA with Local & Remote ACS Server, 802.1 x authentications, Proxy Authentication).  Design and Implementation of Microsoft Active Directory 2003 based on Microsoft best practices. Implementation of Anti virus Servers (Kaspersky, Sophos) in a medium sized company  Design and Implement SAMBA server using LDAP authentication for LAN users.  Design and Implementation of Send Mail Servers, MS Exchange e Server 2003/2007 based on Microsoft best practices.  Design and Implements SQUID 2.4, 3.1 Proxy Server based on Centos, Red Hat OS.  Implementation of different Network Performance monitoring tools such as (Cacti, Net Flow, Manage Engine OpUtils, SMonitor, Solar Winds, Nagios, JFF) to monitor WAN devices and different servers to optimize network resources and traffic.  Design and implementation of SIP on cisco voice gateways.  Design and implementation of MPLS VPNs  Support and Maintain Cisco Core Routers 7206VXR. 7600 Series, 2800 Series, small business series RV042, RV082 for vpn connectivity.  Supporting and Managing HEC Cisco Core and Edge Switching network.  Design and Implements SQUID 2.4, 3.1 Proxy Server based on Centos for differnet clients.  Deploy cacti, solar wind, cisco works Monitoring System to monitor Network and Bandwidth Usage.  Management of CAR on routers and switches by rate limited feature.  Design of Networking Infrastructure and resource sharing solution. The project covered the design of networking system, Servers, and applications in Windows 2003 environments. The project used TCP/IP as Network protocols and Star Topology.  Conduct Surveys on client sites and create project proposal and layouts for networks deployment and implementation.  Design and Implementation of BGP/MPLS, Traffic Engineering, Policy Based Routing PBR, Route Filtering, Redistribution, Route Summarization.  Catalyst IOS based Switches, VTP, STP, RSTP, Trunking, VLANs,  Layer 3 Switches, Logical Etherchannels, MLS.  IPSec, VPNs, AAA Model (RADIUS, TACACS+, Kerberos), Cisco PIX / ASA  Firewall, VPN Client, Juniper Firewall SSG5, SSG20  Design and Implementation of Incognito DHCP Server for assigning bandwidth to cable modem customers.  Media: Ethernet, FastEthernet, GigabitEthernet, FDDI, CDDI, Token Ring, ATM LAN Emulation.  Network Analyzers: Back Track 5 , Ethereal, Paketyzer, Radcom, Etherpeek.  Load Generator: Spirent Smart Bits, iperf, IPTraffic.  Leased lines 64k - 155Mb (PPP / HDLC), Channelized lines (E1 ), Fibre Optic Circuits, Frame Relay, xDSL, Load Balancing, Multi Homing, Satellite links. I also have extensive experience in following  Linux & Windows Integration in TCP environments  Expertise Linux Redhat, Ubuntu, SUSE, Centos, Debian, Slackware and Solaris Systems  Expertise in SQUID Proxy server. DNS Server, DHCP, Send Mail, Kerio Mail Server.  VMware ESX Server, Virtual Center, Distributed Resource Scheduling (DRS), VMware Data Backup , VMware Converter, VMotion, SVMotion, VHA, SVHA, FT, DRS, Power Management etc.

    $16.67 /hr
    154 hours
    4.71