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

592

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: September 1, 2015
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  1. Alan Guan

    Alan Guan

    Technical/Network Analyst

    United States - Tests: 3

    Computer Science B.A. from the University of North Carolina - Chapel Hill. Young IT professional that has worked in the field for 3 years. Former occupations: Service Desk Analyst, Network Analyst I, Application Consultant, Technical Support Intern. Grew up in touch with technology and gadgets. Jack of all trades, incredibly fast adopter/learner. Currently building my personal profile by freelancing to hone in on my interests (right now looks to be design for mobile apps). Typing tests put me on average at 105 WPM. I work well under pressure, juggling multiple tasks on my plate and prioritizing those that need more attention. I can be a perfectionist at times and will take hours to utilize/read any resources I can to solve a problem. I very much enjoy and excel in helping people understand technology/computers. I would love to get into web design, mobile app design, UX in general. Thanks for reading and considering me for work. I assure you, you won't be disappointed.

    $30.00 /hr
    0 hours
    0.00
  2. Marifi M.

    Network / IT / System

    Australia

     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
    0.00
  3. Vycheslav Novak

    Linux/Unix/Network Admin with bash, python scripting skills

    Ukraine - Tests: 3 - Portfolio: 1

    - Administration and solid knowledge and background of Unix/Linux systems ( CLI ): Ubuntu, CentOS, ArchLinux, Debian, Solaris, Red Hat: - sed/awk - LFS ( Linux from scratch ) - deep understanding of Linux Memory Management concept - hardware maintenance, troubleshooting (iostat, top, vmstat, iotop, strace ), configuration - regexp - iptables - PAM - grub loader - linux tools ( tcpdump, rsync, scp, tar, strace, semanage, chcon ) - Knowledge of Linux SELinux security system - Linux FTP setup for production use ( proftpd ) - NetApp SAN administration - Configuration Management Tools ( Puppet ) - Solaris experience ( Solaris 8/10 ) - Strong knowledge Client-Server architecture ( Apache Web Server with thin configuration ) - Experience in set up and administration of mail-server: exim + dovecot + postfix + RoundCubeMail - Experience in use and configure VPN-networks (OpenVPN) - Performance tuning Apache HTTPD ( prefork/workers for high-load systems ) - Building High-availability/Cluster Environment for Production Systems ( httpd + mod_jk + tomcat(ajp_connector ) + clustering ) - Apache Clustering Configuration ( Dynamic/Static Clustering with Session Sharing; Performance tuning ) - Solid understanding of LVM concept and file systems (ext3, ext4, NFS, NTFS, FAT32 ) - Solid understating RAID concept - Proficiency in the virtualization concept and technologies (XEN, KVM, Solaris zones ) - Multi-Factor Authentication system development ( OpenOTP, TOTP ) - Strong shell scripting ( bash, ksh, python ) - JIRA and Confluence, Redmine experience - Administration Windows Servers: 2003/2008/2012 R2, Windows NT ( XP, 7, 8 ), Active Directory - Deep knowledge of the units: Cryptography Computer networks (LAN, WAN, MPLS, PPPoE, PPTP) Knowledge of VPN technologies (OpenVPN, IPSec) Network protocols (IP, TCP, UDP, PPP, ARP, ICMP, RIP, OSPF, SMTP, POP3, VLAN, SSL, DHCP, NAT) OSI model Domain Name System (DNS) LDAP Clustering Load Balancing Strong understanding of network setup, layers, configuration and facilities (port forwarding, DMZ, virtual server) - Administration and configuration network hardware switches/routers D-Link (VLAN, LACP, ACL, VRRP), FortiNet (Fortigate 80c, 60c), Cisco Catalyst ( 3750-x, 2960s), HP A5210 SI, Checkpoint R75.20/Gaia/R77 - QoS ( MQC, DSCP, CoS, ToS ) - Knowledge of Cisco IOS - Building Nagios Monitoring System ( mrtg, pnp4nagios, SNMP monitoring ) - Experience with NAS, SAN or iSCSI storage systems - Experience in Datacenter migration - Experience in virtualization system VMWare ESX - Experience in Citrix Systems - Dell Hardware Servers ( PowerEdge R710, R520, R320, R720, EqualLogic PS6210XS, SAN N4032F ) - Juniper switches OS experience ( EX4200 ) - Strong performance management, problem identification, analytical and problem-solving skills - Develop Production services monitoring Dashboard on Ruby/JS/coffeescript - Python programming language - Basic experience in SQL language ( MySQL ) - Creating application with using Python, CGI, shell scripting - Optimization and improvement of processes - 24x7 Production Servers/Applications support and maintenance - Perform deployments to QA & PROD environments Successfully completed projects: DataCenter Migration Migrate all production servers and environment to new DC, including building/deployment from scratch in new DC. Completed in short time and with minimal downtime of business application. Building Physical Infrastructure for Production systems Planning, developing, devising infrastructure for Production systems. Including enterprise requirements: redundancy, high availability, clustering, risk mitigations. 3. MultiFactor Authentication for servers Developed, created, implemented system for secure two factor authentication for all users across all Linux servers based on WebADM OpenOTP library.

    $15.00 /hr
    0 hours
    0.00
  4. Stephen S.

    Stephen S.

    Business Analyst and Project Manager

    United States - Tests: 2 - Portfolio: 3

    Linked in Profile ssalaka 15+ years of varied industry experience (including extensive consultation work with large cap and fortune 500 organizations) in both software development and systems engineering as well as overall project management and client development/consulting; significant experience with Linux and Windows (mixed) environments and programming experience (including C#, JAVA, C/C++, shell scripting, and SQL), an MBA in Information Technology, and a solid understanding of complete systems lifecycle development/deployment/and support with a solid focus on applying process optimization strategies (Lean, TQM, 6 Sigma, etc...) My overall career path has been extremely varied, covering a wide range of tasks, duties and responsibilities (in an extensive breadth of industries) The main focus has been working in a (C#/JAVA/MSSQL) development;(Windows/Linux) deployment environment, designing and developing application/systems architecture for large scale portal (clustered and virtualized) applications, managing both development and server teams, designing and implementing systems security components, and deploying and managing network/infrastructure resources. Additional responsibilities have included client development/consulting, the integration of developed solutions into client project deployments, offshore team coordination, following development best practices to produce tested, integrated and fully-documented software solutions for Linux and Windows platforms (including Windows Mobile), and large scale systems roll out and deployments using both clustered (both hardware and software based) and virtualized (VMware) technologies. Business Level Japanese, JLPT Level 2 Conversational Spanish/German Specialties: Project Management, Software Development, Software Architecture, Systems Engineering/Architecture, Network Engineering, Programming, Troubleshooting/Maintenance, System Security, Software Architect, JPLT 2kyuu, DBA, MCTS, MCPD, MCSE 2003, SCJD 1.6, Security+, Lean Agent Certification, PMP, Six Sigma Black Belt Process Optimization

    $125.00 /hr
    0 hours
    0.00
  5. 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
    5.00
  6. 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: http://sourceforge.net/projects/qreport/

    $45.00 /hr
    1,307 hours
    5.00
  7. 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

    $25.00 /hr
    9 hours
    4.99
  8. Ranis S.

    Ranis S.

    System Developer for Windows/Linux.C/C++/Assembler

    Russia - Tests: 3 - Portfolio: 7

    For the last 6 years I've been working primary with C++ and technologies/libraries related to it; such as: boost, Qt, log4qt, STL). I have a good knowledge of the old-school C++98/03 as well as modern C++11. Have an experience with VSS, CVS, SVN and Git. But hugely prefer Git. Have about 3 years experience with CMake. Also I have an experience in software architecture and design patterns(GoF, primary). I prefer projects with unit tests and clean code requirements. For the purpose of unit testing I've used Qt tests, boost test and Google test and Google mock. Currently I work with gtest&gmock combination, mostly. So, my primary goal, at the moment, is to apply my developers skills for some challenging software-developing job which being written using the modern C++ language.

    $32.50 /hr
    0 hours
    0.00
  9. Yuri Turchenkov

    Yuri Turchenkov

    Python Developer and Linux Server Administrator

    Russia - Tests: 7

    PLEASE READ UP TO END! I'm looking for longterm Python Backend/Serverside development, MongoDB, Linux Administration/Development tasks, or interesting work I'm strong in : DB handle and data processing with Python Web Development using Python (backend/serverside/django) Web UI frontend programming (js, jQuery, ajax) Multimedia apps development with GSTREAMER Data scrapping Linux Administraion Embedded Linux development. I'm not graphic or web designer. Just coder: python, shell scripting are welcome. I'm not PHP or RUBY coder! I'm Python coder (i use C/C++ mostly to extend Python) If you have any interesting project that need a cool Python coder, feel free to invite me for an interview! ATTENTION! Please, add this string to your message to me: "Yes, I have read your objective". So I'll see that you have read my objective.

    $46.70 /hr
    2,770 hours
    4.99