Linux Freelancers

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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
582 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

Oleksandr N.

Oleksandr N. Agency Contractor

Embedded C/C++ Software Developer | Linux Kernel Developer

Ukraine - Tests: 5 - Portfolio: 2

I'm the founder and CEO of Ukraine based software development company with main focus on embedded systems, embedded linux and desktop linux applications. We offer software development and software outsourcing services for companies in telecom, storage, IoT, vending industry and other domains. Always looking for challenging projects in various fields of embedded technologies.

$27.78 /hr
4,394 hours

Sergiy R.

Sergiy R.

Linux System Administrator

Ukraine - Tests: 9 - Portfolio: 1

I am an experienced System Administrator with a wide range of skills, including Linux servers administration, LAMP stack setup, OpenVZ and KVM virtualization, configuring services, working with version control systems and writing system maintenance scripts. I have a hands-on experience with Linux, including Ubuntu, CentOS, Red Hat, Gentoo and Debian distributions. I am able to code in OCaml, C, C++, Ruby (including Ruby on Rails), Bash/Zsh and read Java, Python, Haskell, Perl and Common Lisp programs. My most important virtues are: extreme responsibility, easy communication and attention to details.

$40.00 /hr
480 hours

Tamas Szabo

Tamas Szabo

Linux, FreeBSD, OpenVPN specialist

Ukraine - Tests: 3

I will help You: - install web, mail, dns services - optimize your website - eliminate slowdowns - give Wordpress advice - upgrade your systems - migrate to another server - monitor your hosts 24/7 - set up and manage your servers - install web, mail, dns services - audit your network's security - design and deploy your company's network - troubleshoot infrastucture problems - generate reports, excel tables from your data - automate time consuming repetitive tasks - give general IT advice If you want your business to grow, don't hesitate to contact me. Your satisfaction is guaranteed. I am a linux / bsd / network enthusiast with more than 10 years of experience.

$80.00 /hr
248 hours

Alexey Schurov

Alexey Schurov

Linux / Windows / Network / Cisco administrator

Russia - Tests: 7 - Portfolio: 1

I have worked with networks and servers for about 9 years. I can administer a variety of systems and my main experience involves managing and configuring various large networks to work 24x7 with over 99.9% uptime. My goal is to provide the very best service and ensure the highest satisfaction for my clients.

$33.33 /hr
177 hours

Vladimir Yavdoshenko

Vladimir Yavdoshenko

Cross-platform developer. C++(Linux, Windows). .NET developer (C#).

Ukraine - Tests: 2

Over the last 6 years, I have participated in several large software solutions. Also I took part in development of small business applications. My strong skills are cross-platform development in C++ under Linux and Windows, network server side and client development. I have good experience in .NET. I also have some experience in the following areas: Python, Unix shell, OOP, OOA, Pattern design, MFC, STL, boost, Protocols (XML-RPC, TCP/IP, HTTP, FTP, DHCP, SOAP), etc. I am interested in mobile development such as Android and iPhone, but I haven't experience in this area.

$150.00 /hr
164 hours