Linux Freelancers

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Devon Kurland

Devon Kurland

Linux System Administration Professional

United States - Tests: 3 - Portfolio: 1

With over 7 years of experience, I am prepared to tackle the most challenging requests in the wonderful realm of Linux and the web at large. I have experience not only with Linux, but also with Windows and Mac OS X. I also have a working knowledge of SQL, python, bash, and perl.

$50.00 /hr
3,295 hours

Diego Blanco

Diego Blanco

Linux Systems Administrator

Spain - Tests: 7 - Portfolio: 3

I'm an expert in GNU/Linux systems and other UNIX flavors. I have experience in CDN deployment, Cloud Computing, High Availability, Monitoring and Video Transcoding and Streaming. I've been working with GNU/Linux since I was 14, what makes more than 10 years of experience so I have a good background in its evolution, tools and administration. I also use to implement tools in shell script and python and I use to code my applications in python. In the last 6 years I've been working as systems administrator and Integrator for an IPTV company that offers streaming and web services. I directed projects regarding software distribution and upgrades automatization, product deployment architecture design and products monitorization. I co-designed and co-deployed the cloud computing platform for the company, its CDN with High Availability, its telephony system and other projects. I really like to learn new technologies, test its capabilities and see what can they do. I like to meet new people, work with them and share knowledge and opinions.

$33.33 /hr
748 hours

Steve M.

Steve M.

AWS Architect and Linux Admin

Australia - Tests: 4

I am an Amazon Cloud Architect for the web infrastructure serving 90 million page impressions and 12 TB Internet traffic per month. The infrastructure is scalable and highly available which is critical due to 50+ % growth each year. The AWS services I use are EC2, ELB, MySQL RDS, VPC, CloudFront, ElastiCache, CloudWatch, CloudFormation, SES, SQS and SNS. I have 18 years of Linux SysAdmin experience. I currently use Apache, Nginx, Ldirectord, MySQL, Perl, PHP, Memcached, Sphinx, Bind, Typo3, WordPress, Send-mail, Postfix, NFS, Samba, Snort, Vsftpd, aide, Nagios, Cacti, Collectd, Puppet and a bunch of other traditional Linux software.

$49.99 /hr
255 hours

Umar Draz

Umar Draz

Sr. Unix/Linux System/Network Architect

Pakistan - Tests: 2 - Portfolio: 5

Senior systems architect, UNIX/Linux/Solaris, VMware, OpenStack and data-center administrator, software programmer, project leader with a proven track record of applying years of experience and good practices to the specification, architecture, design, implementation and maintenance of communications information technology systems. Well-versed in the latest computer languages, operating systems, network and system administration techniques, seeking a position where my hands-on self-motivating passion with the technology provides me with a unique understanding of how to balance conflicting requirements and bring complex enterprise level IT projects to a successful completion. Ability to work both independently and as part of a team, with demonstrated results in leading and contributing to projects, interfacing with stakeholders, while training and mentoring junior staff. Also great at troubleshooting complex problems. LANGUAGES: HTML, JavaScript, Perl, PHP, LAMP, Regular Expressions, Bourne/Korn/Bash/Csh/Tcsh Shells, Structured Query Language (SQL), Python. TOOLS: Application Servers (Apache, JBoss, Tomcat, Nginx,), DBMS (Access, DBase III/IV, MySQL, Oracle, MongoDB), UNIX Scripting (all UNIX Shells, AWK, Perl, SED), Security Hardening and Performance (IP Filter, Fail2ban), Storage, Moosefs, Virtualization (SANS, NAS, VMware vSphere Server/vCenter, OpenStack, Xen)

$33.33 /hr
5,544 hours

Thomas B.

Thomas B.

System Engineer (Linux, Mac OS X, Windows)

Hungary - Tests: 3 - Portfolio: 1

My name is Thomas Bereczky and I’m interested in being your System Engineer, I have over 7 years of experience in IT and systems implementation for small and medium- size organizations. I feel confident I would be a valuable contributor to your team and would be excited to show you what I can do. Over the past 7 years I have gained an extensive knowledge and experience in: • Operating Systems – Linux, Mac OSX, Microsoft Windows Servers. • Hosting Systems - Parallels Plesk, cPanel / WHM, Virtualmin / Webmin, Ajenti, zPanel, DirectAdmin • Webservers - Nginx with PHP-FPM, Apache HTTPD, Apache Tomcat, • Ruby, Node.JS, Django Applications • Server Side Caching - Memcached, Varnish, APC • Email Servers and Services – Postfix, Dovecot, Exim, Office 365, Google Apps, Mandrill, Rackspace Mailgun • Active Directory • Virtualization Platforms - VMWare ESXi, VMWare Workstation, SolusVM, Virtualbox, Parallels Virtuozzo, Proxmox VE • Amazon Web Services - EC2, RDS, ELB, S3, CloudFront, Route 53, Autoscaling, Workspaces, VPC • Monitoring Systems – New Relic, Nagios • Programming Languages and CMS Systems - Basic PHP Knowledge, HTML, CSS, Wordpress, Bash scripting, Currently I'm in the process of learning Ruby on Rails (2 Finished Project) • Project Management, Team Collaboration, Billing Tools - Atlassian Jira, Atlassian Confluence, OwnCloud, SugarCRM, WHMCS, Zurmo CRM • Version Control - GIT, SVN, Atlassian Stash (GIT), Atlassian Fisheye, Gitlab • Network Administration – Bind DNS Server, IPTables Firewall, CSF Firewall, UFW Firewall, Routers / Switches, iSCSI Storage Devices, NFS Storage Servers, VPN Servers, • VOIP PBX Servers such as 3CX Phone Systems • I'm very comfortable with working in command line. • I have experience in Project Management including supervising small / medium size development teams. • When I don’t know something, I can always look into it and learn it. Search engines are my best allies. If you need immediate assistance - don't hesitate to contact me. Talk soon! I look forward to hearing from you, Thomas Bereczky System Engineer

Groups: Bluehost Developers and Designers

$50.00 /hr
583 hours

Olegs M.

Olegs M.

Windows/Linux Server Expert and DBA

Latvia - Tests: 5 - Portfolio: 2

For more then 15 years, I have been working Microsoft technologies specifically Windows Server 2000/2003/2008/2012, Microsoft Exchange Server, IIS, SharePoint. My major competency is server configuration, maintenance and troubleshooting: Active directory, GPO, DHCP, DNS, MDT, Hyper-V, WSUS, and SCE. I have valid Microsoft Windows Server certificate MCSA (MS Windows Server 2012) and Microsoft Specialist certificate (74-409: Server Virtualization with Windows Server Hyper-V and System Center) My DBA experience of around 5+ years in MySQL, Oracle and Microsoft SQL Server 2000/2005/2008/2008/2012 installation, Configuration, Troubleshooting, Backup/Recovery, Performance Tuning, Creating jobs, alerts and maintenance plans, database mirroring and clustering, log shipping, replication. I have valid Microsoft SQL server certificate MCTS (MS SQL 2008 R2) and MCSA (MS SQL 2012). My skills include Linux server administration, web site developing and migration. I have a my own web projects many worked with hosting company's also good knowledge of HTML,CSS, PHP. I have also deal with Cisco/Linksys/HP managed switches.

$37.78 /hr
839 hours

Oleg N.

Oleg N.

Full stack developer: Python / Angular / noSQL (MongoDB) / Linux

Russia - Tests: 2 - Portfolio: 6

Over last 15 years I have developed a wide range of websites, services, plugins using wide range of technologies: * Python, JavaScript, CoffeeScript * Tornado, Bottle.py, Gevent, Async.io * Angular Light, Angular.js, Knockout.js, jQuery * MongoDB, MS SQL, MySQL, Sqlite, Redis * HTML, CSS, XML, Twitter Bootstrap * Sphinx search, Nginx, Apache, Linux * ZeroMQ, WebSockets, Ajax * Docker, lxc * Mercurial (hg), Git, Svn Have experience using: C/C++, GoLang, Delphi, PHP, ASM, eVC++, 1C 7.7/8.2, WebRTC Django, Flask, React.js

Groups: Coding Champs

$44.44 /hr
937 hours

Pavel Piatruk

Pavel Piatruk Agency Contractor

Linux system administrator

Belarus - Tests: 11

I have great experience in * Linux maintenance (RHEL, Debian, Ubuntu) * Virtualization: (Vmware, Openvz, Virtuozzo, Xen, KVM), * Cloud hosting (Amazon EC2, AWS, S3), * Networking (dhcp, DNS:powerdns/bind/named, vpn: openvpn/pptp, firewalls: 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, interspire), * Automation (puppet, perl/shell/awk scripting), * Monitoring (nagios, zabbix), * Hosting panels (Cpanel/WHM, Plesk, Directadmin). Java, J2EE, Maven, JUnit(DTDUnit, JMock, StrutsTestCase, DBUnit), apache commons, SQL (pl-sql/MySQL/ORACLE/MS SQL), HTML, JS, AJAX, CSS, Spring, Struts, Tiles, ORM/Hibernate, XML, XSLT, Jasper, Ant, JMeter

Groups: Bluehost Developers and Designers

$27.78 /hr
1,360 hours

Türker S.

Türker S. Agency Contractor

Linux SysAdmin, Python/Django

United Kingdom - Tests: 4 - Portfolio: 3

I have been working as Linux System Administrator for 5 years. I supply linux management service for my customers. I design and install infrastructures for high-available web applications. Most of these servers use Debian, Ubuntu, CentOS, Redhat and Pardus. I use haproxy as load balancer, iptables as firewall, apache, nginx or lighttpd as web server, mysql as database server. I configure replication systems which have one or more slaves. I deploy applications in different languages like RoR, Python/Django or PHP. I am familiar with php-fpm, php-cgi and mod_php. I am also experienced in virtualization. I use openvz, vserver and kvm for virtualization. I prefer using Debian or Proxmox for host system for virtualization. I use Python and PHP to develop web and shell applications and automation scripts. I am a free software contributor. So i am good at remote working and collaboration tools. I use git and svn actively for various projects.

$44.44 /hr
3,207 hours

Bang Ly Tieu

Bang Ly Tieu

Expert in Ruby / Rails / jQuery / ExtJS / MySQL / Facebook / Linux

Vietnam - Tests: 8 - Portfolio: 2

With a lot of experience on HTML, DHTML, Javascripts/Prototype/jQuery, Ruby/Ruby on Rails, PHP, MySQL and administrative skills for various platform Windows, Linux, Mac, I'm looking for chances to work on any projects as build site from ground up, develop more features, maintain, administrate servers/site.

Groups: Engine Yard Ruby on Rails Professionals Network

$50.00 /hr
2,409 hours