Network & System Administrators

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Sergey F.

Sergey F. Agency Contractor

System/Network Administrator

Ukraine - Portfolio: 5

Best skills: Platforms: Linux (RHEL / CentOS, Ubuntu Server / Debian, Slackware), Windows Server 2003/2008/2012 Network solutions: Mikrotik RouterOS, heartbeat, drbd, GlusterFS Databases: MySQL, PostgreSQL Virtualization: KVM, Xen, MS HyperV Security tools: iptables, squid, VPN, OpenSSL Additional skills: experience with bacula/BackupPC, experience with MS AD (~1000 clients hosts), GPO writing bash, sed/awk bases, ,raid technology, LVM knowledge

$20.00 /hr
35 hours

Juan Mermoz

Juan Mermoz Agency Contractor

Full Stack Developer - Ruby on Rails

Argentina - Tests: 3 - Portfolio: 1

Over the last 7 years, I have developed many websites using HTML, Ruby on Rails and PHP using Laravel Framework for small and medium companies. I am seeking opportunities to build websites from the ground up for you or your business. Regarding to databases, I use technologies such as MySQL, PostgreSQL and Sqlite. I also have experience building mobile apps using Android and REST API's. Please, feel free to contact me if there's any questions about my profile.

$28.00 /hr
488 hours

Alex Lysenko

Alex Lysenko Agency Contractor

Linux server support, system administration, DevOps


I am Sales Manager with NIX Solutions Ltd. I represent a great team of system administrators. We have been specializing in the work with Linux, Unix and Windows servers more than 7 years. With NIX Solutions, the IT network and infrastructure of your business will be in strong, reliable hands. We will • Set up and monitor Remote Access (VPN) • Manage your servers (E-mail, Web, Data) • Provide Anti-Virus and Anti-Spam Protection • Manage Webhosting Automation • Provide Security Audit and Consulting for Networks, Servers and Services • Provide 24x7 Technical Support

$25.00 /hr
1,648 hours

Anatoly Yuzefovich

Anatoly Yuzefovich Agency Contractor


Russia - Tests: 1

I'm skilled Nix-administrator and perl developer with 10-year old experience. Administration: Linux, FreeBSD. Services ftp(proftpd,vsftpd,pure-ftpd), http(apache,nginx,lighttpd),dns,email,mysql and other services. Networking: Cisco systems devices (routing & switching). Network architecture. NAS/SAN: IBM, HP, NetAPP and work with Blade Systems (IBM, HP) VmWare vSphere virtualization. Perl programming: Web-programming - DBIx, dancer, plack, templates, modern perl, mojolicious. JavaScript - extjs, jquery, node.js, angular.js

$33.33 /hr
399 hours

Alexander Shcheblikin

Alexander Shcheblikin

Linux, UNIX & AWS Expert Administrator

Ukraine - Tests: 8 - Portfolio: 3

* 17 years in UNIX world * Security-minded * Administrator & Developer for complex projects involving automation, integration, data mining * Attentive to details * Ensuring reliable & secure systems operation and effective consulting & coaching * Protection against Spam & other unsolicited communications in email, web and VoIP * Building effective web-presence assets (5+ years in Web/SEO)

$40.00 /hr
86 hours

Sergey M.

Sergey M.

Java, Vaadin, Grails developer

Russia - Tests: 4 - Portfolio: 9

IT-Specialist with more then 10 years experience in software development. Over last 8 years I was working on software development using Java and related technologies. Of these, 4 years on position as a senior Java developer, team leader, project manager. The most important human quality which I appreciate in myself and in other people is a responsibility. Very punctual and as much as possible I understand details. I always adhere and stay in the planned project budget. The basic technical specialisation: - Web services development. - Server side, integration and middle-ware development. - Web applications development. - Development of Rich Web applications, using Vaadin (GWT) Technologies and tools: - JDK, Multi-threading, IntelliJ IDEA - Vaadin, GWT, Grails - XML, JAXP, JAXB - WebServices, SOAP, WSDL, JAX-RPC, Axis2, REST - JavaEE, Spring - JPA, Hibernate - JCE (Java Cryptographic Extension API) - Tomcat, Sun Application Server, WebSphere - ANSI SQL, MySQL - SVN, Maven, Ant, Teamcity - JIRA, RedMine

$24.44 /hr
66 hours

Osama J.

Osama J.

Raspberry Pi, Linux and Python Expert

Jordan - Tests: 1 - Portfolio: 2

An expert in Raspberry Pi, I created a lot of projects on it.Also, I have a good experience with Linux and Python. I am interested in open source projects especially the ones related to Linux. I worked as a freelancer Graphics Designer for 3 years and now I am working as a QC Engineer in I am an energetic and enthusiastic person who enjoys the challenge and achieving personal goals. The opportunity to learn new skills and work with new technologies is particularly attractive to me.

$20.00 /hr
13 hours

Antonio S.

Antonio S.

Software Engineer

Italy - Tests: 6 - Portfolio: 3

Over the last 7 years, I have developed a wide range of web applications using HMTL,CSS,JQUERY, PHP, and MySQL. My core competency is DRUPAL development. I am seeking opportunities to build websites from the ground up or develop custom modules. I also have some experience in the following areas: SQL, Ajax, OOP, ASP, C++, C#, ASP.NET, IIS, APACHE, linux administration.

$24.44 /hr
158 hours

Ralph Swartwood

Ralph Swartwood

Certified WebSphere Administrator

United States - Tests: 1

I have 10 years experience working with WebSphere Application Server version 3, 4, 5, 6 and 7 on AIX, Solaris, HP/UX, Linux, zLinux and Windows. I am certified in versions 5, 6 and 7. I am looking for short and long term engagements including installations, resolution of a specific problem and ongoing support. I also have experience working with WebSphere Portal Server, Process Server, IBM HTTP Server and Apache. I developed JACL and Jython scripts to automate application deployments and to make configuration changes. I am very familiar with Java programming of servlets, JSP, SQL and JMS. I developed a Nagios plugin that monitored JVM availability and Performance Monitoring Infrastructure (PMI) metrics. I can analyze thread dumps for JVM hang problems and heap dumps for OutOfMemory issues. I also have experience with DirectConnect and training in DataPower appliance administration.

Groups: TrueBLUE

$50.00 /hr
44 hours

Peter Hanna

Peter Hanna

SharePoint Architect, Workflow, Office 365 Expert

Egypt - Tests: 4

Need some IT Magic, I'm your guy. ;) With my 8 years of experience in both the development and administration sides of IT business, I've learned to combine both skill sets with a strong analytical mind to create almost magical solutions to issues no one else could solve. I'm an 8 years of experience IT professional, I've administered and developed for almost all of Microsoft systems with most of its recent versions (OSC, Lync, Sharepoint, SQL, IIS, Active Directory, Exchange, Hyper-V....) I have been working on SharePoint development and SharePoint architecture for more than 8 years and I am very experienced with developing SharePoint features, SharePoint workflows, SharePoint web parts, SharePoint scheduling, SharePoint reporting, SharePoint customization, SharePoint configuration and SharePoint solutions. I also have been working on a lot of important SharePoint products and web portals. So, If you need to develop SharePoint portal, SharePoint workflows, SharePoint customization, SharePoint integration, or SharePoint solutions please feel free to contact to me. I'm also specialized in SQL administration and development.

$25.00 /hr
292 hours