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. Justin Bachus

    Justin Bachus

    10+ years experience in Linux System Administration and web hosting

    United States - Last active: 03/28/2011 - Tests: 2

    I have been involved in Linux and FreeBSD system administration for over 10 years when I began managing servers for a social networking website. After starting my own web hosting business and working in multiple positions in both the private and public sector, I consider myself an expert in system administration and designing systems to meet customer needs. With degrees in Business Honors and Management Information Systems, I can quickly articulate business needs and translate these into technical requirements. My technical experience allows me to then research and choose the best and most economical needs to match customer requirements.

    $55.56 /hr
    55 hours
    0.00
  2. Edmond B.

    Edmond B.

    Software & Web Application Developer

    United States - Last active: 1 day ago - Tests: 3 - Portfolio: 1

    A developer with many years of experience building and supporting software and systems for small business and enterprise clients. In addition to contract web and software development, I have a professional background in Systems Administration and security. This allows me to leverage a holistic level of understanding and experience across your entire technology stack. Languages: Python, C++, HTML/CSS, Javascript. Specialties: Flask application development. Linux systems administration, strong Linux/Bash command line skills. Well versed in open-source tools and the OSS ecosystem, security best practices & hardening, authentication, MongoDB and MySQL databases, REST APIs (particularly Twitter), nginx, server scripting/automation, server deployment, usability and design concepts, and full-stack web application deployment.

    $33.33 /hr
    166 hours
    0.00
  3. Dmytro Kontsevyi

    Dmytro Kontsevyi

    Penetration Tester, Implementation Engineer, CCNP, CCSI, CEH

    Ukraine - Last active: 3 days ago - Tests: 1

    Over 5 years experience in delivering Cisco authorized trainings of Professional level; 1,5 year experience conducting penetration testing and vulnerability assessments; Over 5 years experience in IT Security; Over 5 years experience in implementing Network\Network security equipment; Have an understanding of common Web Application and network vulnerabilities like SQLi, XSS, CSRF, etc. Familiar with OWASP testing methodology and OWASP TOP 10; Hands-on experience with commercial vulnerability assessment tools such as NeXpose, Nessus, Acunetix, Burp Suite, AppScan, and open-source tools such as nmap, Metasploit, etc.; Hands-on experience with manual check of Web Application vulnerabilities; Work experience with Cisco equipment and solutions(Cisco ASA, ASA-X, ACS4.x/5.x, IPS, MARS, ISE, WLC, Routers, Switches, Ironport WSA, Cisco Prime, ACE, FirePOWER); Work experience with DLP systems(Symantec DLP); Work experience with Load-balancing solutions(Cisco ACE, A10, Citrix); Work experience with McAfee solutions(NSM, NTBA, IPS, Web Gateway); Work experience with Windows and Linux OS; Work experience with VmWare ESXi and Workstation; Work experience with OpenStack cloud computing platform; Work experience with Scripting(shell, Python); Technologies and protocols: Ethernet, VLANs, VTP, PAgP, LACP, PVST+, RSTP, MSTP, SVI, DHCP snooping, DAI, IP SG, Private VLANs, VLAN ACL, HSRP, VRRP, GLBP, Wireless, IOS Zone Based firewall, uRPF, FPM, IOS NAT, RIP, EIGRP, OSPF, PBR, SNMP, syslog, RBAC, IPSec VPN, VTI VPN, PKI, DMVPN, GET VPN, IP SLA, SSL VPN, Netflow, AAA, RADIUS, Tacacs+, MPLS, MPLS TE, BGP, QoS DLP, load-balancing, Cisco ASA Identity based firewall, ScanSafe, Websense blueSKY Security Gateway, Web Proxy. Certifications: Cisco: • CCNP • CCNP Security • CCDA • CCSI • Cisco IPS Specialist • Cisco IOS Security Specialist • Cisco Firewall Security Specialist • Cisco VPN Security Specialist • Cisco ASA Specialist • Cisco Data Center AS Support Specialist • Cisco Data Center Application Services Support Specialist • Cisco Content Security Solutions Spec • Cisco Borderless Networks R&S Support Specialist • Cisco Borderless Networks Security Support Specialist • Enterprise Networks Architecture Route and Switch Field Engineer Representative • Enterprise Networks Architecture Security Field Engineer Representative • Content Security Systems Engineer Representative EC-Counsil: • CEH - Certified Ethical Hacker

    $44.44 /hr
    0 hours
    0.00
  4. José Eduardo Perotta De Almeida

    José Eduardo Perotta De Almeida

    Software Engineer - Full stack software architect

    Brazil - Last active: 12 days ago - Tests: 3 - Portfolio: 4

    I'm a software architect with over 15 years of experience. Over the last 15 years, I have been working as consultant for Brazilian banks, as security analyst consultant and for some U.S. software development houses, as software engineering consultant or software developer I am seeking opportunities to build realtime web applications, REST, RIA and simple web applications Technical Skills - Perl / Modern Perl - Javascript - OO - Paterns - MVC - PostgreSQL - Redis - RabbitMQ - Microsoft SQL server - Classic ASP - PHP - Linux Servers - Windows Servers - Deep knowledge of software engineering - COM/DCOM - Web scraping - Realtime and high availability web applications - HTML5 Frameworks - Mojolicious - Catalyst - Dancer - DHTMLX - EXT - Jquery - Dojo - Joose Wide vision of process: - development - security - infrastructure - communication Experienced in: - designing / implementing RIA and realtime web applications - designing / implementing REST APIs and clients - methodologies - porting applications from / to windows / linux environments. - Windows servers - Linux servers DHTMLX & Javascript ninja I'm a CPAN contributor and a brazilian Perl Monger

    $55.00 /hr
    0 hours
    0.00
  5. Luis fernando C.

    Luis fernando C.

    Software Engineer

    Costa Rica - Last active: 1 month ago - Tests: 1

    I am a very passionate developer with over 8 years of experience in web development, i am based in Costa Rica in a very convenient timezone(CST), if you are in North America, this means that i will be working when you are working! For the last 4 years i have been working on develop web application using Python, Django, MySQL, Postgresql,and many other technologies that have complemented my strong background as a PHP developer in my early years Why would you hire me? Well, i am very talented at what i do( people have told me that :) ) My rate is very competitive, if you are in a Startup or a small company, saving some few dollars is always a good thing, you will get the most for your money! Your intellectual property is safe, thanks to extremely favorable IP laws in Costa Rica. Costa Ricans love their homeland and tend to stay, unlike some tech workers in Eastern Europe. that means continuity for your project. We are very used to the US culture, we are almost like you but without dollars! :) We are very good dancers Want to know more about me? Checkout my linkedin profile and see what people have to say about me and my work https://www.linkedin.com/in/luiscastillocr These are some few skills i have learned in the last years: Django, Celeryd, RabbitMQ, MySql, Supervisord, Nginx, Apache, RETS, django REST Framework, TurboGears2, NumPy, SciPy, matplotlib, Postgresql, Linux, nosetest, Mongo, Postgresql, Linux, bootstrap,HTML, CSS, JavaScript, JQuery, Fabric, Git

    $40.00 /hr
    0 hours
    0.00
  6. Jan Garaj

    Jan Garaj

    DevOps Monitoring zExpert (Zabbix/Zenoss)

    United Kingdom - Last active: 1 month ago - Tests: 4

    Self-assessment of my strengths (the best is ★★★★★): ★★★★★ Server administration/support of Linux (RedHat, Debian, CentOS) - 2nd line DevOps support ★★★★★ Server monitoring with Zabbix (other tools: Zenoss, OpenView, OVO, New Relic, Nagios) ★★★★★ Performance tunning of LAMP stack: Apache (Nginx), PHP, MySQL ★★★★☆ Virtualization with Citrix XenServer (VMware) ★★★★☆ Web developing with LAMP stack: Linux, PHP (CakePHP, Nette, Zend), MySQL (PostgreSQL) My DevOps technologies in playfield: Puppet, Zenoss, MongoDB, Python, QlikView, Sencha, cloud Amazon Web Services - AWS, HP Performance Anywhere, New Relic, Apache Tomcat, ... Familiarized with technologies: scripting (bash, python, PHP, ...) , TCP/IP, svn, XML, Javascript (jQuery), Java, C, NetBeans, UML, phantomJS, NetApp, EMC, Jira, ... Knowledge of Content Management System (CMS): Wordpress, Joomla, Drupal, Umbraco. Highlight: • DevOps sector experience: ★ with branded product healthcare web sites (GlaxoSmithKline) ★ with 2,5 millions real users per month on Linux/LAMP stack (Zoznam) ★ with mission critical Linux/Unix servers (Volkswagen) ★ with virtualization and monitoring project built from scratch (WIMC) ★ with deploying/inventoring/patching/configuring of server infrastructure by automation tools (Hewlett-Packard) • Development sector experience: ★ with GPS tracking backend/frontend system (WIMC) ★ with web multilevel marketing system for financial agents (Positive)

    $33.33 /hr
    0 hours
    0.00
  7. Phillip Stephen

    Phillip Stephen

    Expert Systems Engineer/Architect

    United States - Last active: 17 days ago - Tests: 1

    9+ Years experience working in large scale web production environments. Management/Leadership Experince: -Platform Operations Manager at Liquidity -Former Lead Application Engineer at Liquidity -Linux Team Lead at RentPath -Evening/Swing Shift team lead for AT&T Shared Web Hosting Support -Provided training and guidance to new and transferred email administrators and engineers to facilitate rapid transition during merger/departmental reorganization -Created and revised internal training documents, including classified internal website -Wrote and created internal release management process and procedure -Created detailed internal documentation for all newly built environments Recruiting/Organization/Event Planning -Reviewed resumes and conducted interviews with prospective new team members Specialties: Advanced Skills in the following areas: • AWS • Java • Mule ESB • Tomcat • Mac OSX • DNS • Linux • Server maintenance and management • Nagios • HAProxy • JBoss • Jira • F5 Networks Load Balancers • MongoDB • VMware • RHEV • Centos • ElasticSerarch • Nginx • Endeca • VMware Intermediate Skills in the following areas: • Ubuntu • Liferay • ActiveMQ • RabbitMQ • Beanstalk • Chef • Python • PHP • .Net/ASP • Adobe CS Products • Apache • Windows Server • Pandora FMS • Redhat KVM • MySQL

    $65.00 /hr
    0 hours
    0.00
  8. Ramunas Cereskevicius

    Ramunas Cereskevicius

    DevOps Engineer / Linux system administrator

    Lithuania - Last active: 1 month ago - Tests: 5

    I have a passion for Linux, automation and infrastructure in general. For the last five years I am managing 60+ servers ranging from small simple webservers to full fledged openstack cloud platform installations. Having experience not only in systems administration, but software development as well puts me in a perfect position to do DevOps for your company. Need something automated? Need to streamline your workflow? Shoot me a message.

    $33.33 /hr
    0 hours
    0.00
  9. Valdas Andrulis

    Valdas Andrulis

    Senior Linux/Unix Systems Administrator

    Lithuania - Last active: 1 month ago

    I am skilled IT specialist mostly working with Linux servers, Web technologies. I like effective technologies and solutions - for many it may be too radical step to go. My main asset is my analytical skills together with vast amount of general knowledge. This makes me perfect for such projects like: Unfindable bug finding How to turn system from slow to fast - perfomance tuning Find suitable solution, tools, software, hardware within given constraints Design a system with certain characteristics etc. -- IT skills: Linux servers (full cycle - buying, hardware installation, software installation, etc.) PowerPC servers(full cycle - buying, hardware installation, software installation, etc.) Email(Courier, postfix) DNS Web servers (apache, nginx, passenger, FastCGI) MySQL IBM AIX (4.x, 5.x, HMC) IBM clustering (HACMP) IBM ESS Storage system HP EVA Storage system SAN switches sh, bash, Ruby, PHP, SSH IBM Tivoli products (TSM, TEC, TME, NetView) Network management Firewalls SWIFTNet network SWIFT Software & Hardware HTML, XHTML, CSS, Web programming, usability Ruby on Rails Internet Marketing SEO

    $60.00 /hr
    0 hours
    0.00
  10. Matt Herrmann

    Matt Herrmann

    Linux Systems Administrator/Devops Engineer

    Australia - Last active: 12 days ago - Tests: 7

    An accomplished IT professional with a broad range of experience, exceptional technical ability and a passion for internet technology. I've been working in the web hosting industry as a systems administrator for almost 10 years. In that time I've been exposed to a wide range of technologies/platforms and am proficient with a large number of them. I'm also a fast learner so I quickly and easily pick up anything I'm unfamiliar with.

    $40.00 /hr
    0 hours
    0.00