Network & System Administrators

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  1. John G.

    John G.

    Search Robot :) Lucene, Solr, Hadoop, Java, MySQL, PostgreSQL, MongoDB

    Russia - Last active: 01/16/2014 - Tests: 18 - Portfolio: 1

    I am good at - Research, Design, Develop... - Database Tuning and Administration - Writing scripts and utils - Embedding Web Browser Engines - WebCrowling - Content Storage Systems - SEO I love Linux Debian, Ubuntu and comfortable with RedHat. My wide-skills around next keywords: Lucene, Solr, Hadoop, Java, MySQL, PostgreSQL, MongoDB

    $19.00 /hr
    1,338 hours
    5.00
  2. Igor G.

    Igor G.

    Wordpress and Laravel Developer: HTML5, CSS3, PHP, jQuery, AngularJS

    Croatia - Last active: 2 months ago - Tests: 5 - Portfolio: 1

    Hello, my name is Igor. I'm a dedicated PHP/Laravel developer with over 5 years of experience. I'm able to deliver clean and SOLID code to my clients, with best practices and patterns involved. I love developing modern web applications using Laravel with AngularJS. From testing to deploy. My other skills includes: + Ability to model real life problems with code + Advanced understanding of main programming paradigms + Advanced understanding of HTTP protocol + Advanced understanding of client/server architecture + Object oriented design patterns + Linux server administration + Git tools and workflow + Testing as part of my coding practice + Deployment workflow + Javascript (jQuery, Ajax, AngularJS)

    $25.00 /hr
    145 hours
    4.67
  3. Md. Arifur Rahman

    Md. Arifur Rahman

    PHP Developer (Ecommerce & Framework)

    Bangladesh - Last active: 05/15/2014 - Tests: 1 - Portfolio: 2

    Technically skilled and accomplished IT Professional looking for a rewarding and challenging position as a Programmer where my skills and knowledge will be utilized. Three years of professional experience as a PHP programmer.Practically experienced PHP (5, 4 and 3), MySQL, XHTML / HTML, JavaScript, CSS, Zend Framework, PEAR, Smarty Template Engine and E-commerce website development with X-cart,osCommerce and Zencart. Experienced in designing and developing web applications for e-business solutions and supporting various PHP based application server environments Knowledge about the leading database technologies. Holding DBA certification from the market leader in database solution, Oracle technologies Pvt Ltd as well as IBM DB2 Associate. Highly planned and professional approach towards the assigned tasks

    $15.00 /hr
    20 hours
    4.69
  4. Grzegorz W.

    Grzegorz W.

    System and network administrator

    Poland - Last active: 10/09/2014 - Tests: 5

    I love challenges - give me your most difficult and complex projects and I will delivery a robust secure solution that meets your needs. I'm flexible and will offer my professional advice to make sure your project is implemented in the best manner possible. I am a Linux and Asterisk expert and have Redhat certification. I'm also am a CCNA. I have a trained engineer with a masters in computer science and am now doing my PhD in computer science cryptography. I look forward to discussing your project in more detail.

    $22.22 /hr
    119 hours
    5.00
  5. Piyush Aggarwal

    Piyush Aggarwal

    Windows Citrix Administrator

    India - Last active: 2 months ago - Tests: 9

    Professional Synopsis -6 years of Information Technology Experience in Windows & Citrix Support. -Administration of Citrix Xenapp 5.0/6.5 -Installation/Configuration/Managing Xenapp Farms (v5.0 and 6.5). -Administration of Web Interface, Load Balancing, Advanced configuration tool. -License management, Application streaming and printing configuration. -End user interaction for all Citrix related issues. -Experience on Server 2008, AD, Exchange. Xerox – ACS, A Xerox Company as Citrix Engineer. -Installing and administrating Xenapp server and publishing Applications on Citrix Servers. -Part of Migration team; wherein we are migrating 4 farms on 4.5/5.0 to Citrix Xenapp 6.5 -Installing Xenapp servers, applications, setting policies, coordination with network, proxy and application teams for all the rules, till final handover / signoff to the operations teams. -Working on trouble tickets (Web interfaces, ICA clients, profile related issues) raised by helpdesk. -Maintenance and troubleshooting of Citrix Server farm. Application Support and troubleshooting in Citrix farm. Creating Admin accounts and providing permission. -Administrating and managing Citrix Management Console, App Center, Remote Desktop Services Manager, and Citrix AppSense Manager. -Configuring and Managing Zones, Load Balancers and Load Evaluator and Citrix Policies. -On call, weekend and off business hour support. -Configuring Wyse terminals / thin clients with Citrix VDI solutions. -Handling L2 & L3 Incident tickets and providing RCA. Serco Global Services as a Systems Engineer -L1-L2 Support on Windows & Citrix. -Maintenance and troubleshooting of Citrix Server farm. Application Support and troubleshooting in Citrix farm. Creating Admin accounts and providing permission. -Installation/Configuration/Managing Xenapp server Farm (v 5.0/6.5). Providing access of applications to users, Administrating and managing Citrix user profile. -Managing Citrix user sessions, profiles, applications and end user issues on Citrix. -Managing windows Citrix servers, application installation, Printer management, and folder permissions. -Creating user accounts in AD. Creating Security groups, distribution group, shared mailbox in AD and exchange to allow access to users. -Creating and managing user accounts, permissions, shared files and resources through Active Directory. -Responsible for troubleshooting server issues according to the Event viewer. Convergys as a Senior Technical Support Officer -Worked in Desktop / Laptop Support / Citrix Support. -Answering Calls, emails, visiting end user’s workstation, ticket handling. -Providing L1 infra but not limiting to Servers, Desktop, Citrix, Server Monitoring, etc -Printer management, Network Drive management, back & restore, etc. Wipro Ltd. as a Senior Associate -Worked in Service desk / Helpdesk. -Answering Calls & Emails, regarding Desktop support, Application support, password resets and end user queries. -Level 1 support on AD, Exchange, File Shares, Print Servers, Citrix, RSA-VPN, etc -Level 1 Support on Citrix, user sessions, Client installation, profile management, etc.

    $25.00 /hr
    73 hours
    5.00
  6. Dmitry S.

    Dmitry S.

    Server Administrator

    United States - Last active: 10/16/2014 - Tests: 1

    Hi, My name is Dmitrii Savin (you can call me Dima). I believe my strong points are my Creativeness and Punctuality. My #1 goal will always be to meet your needs and deadline. When working on a new project, I like to speak with the client, so that I can have a clear understanding of his/her needs and vision of the project. I'm honest and fair. Since 2007 till 2011, I was IT support engineer in biggest scientific library in eastern part of Russia. I start working as system administrator since 2010, after getting enough experience in linux system administration. In 2011, headhunter from TechnoNICOL company hired me for System Architector and Administrator role. In this role I was responsible for all company's IT systems in 12 branches (each in different city). Also I was organizing an outsource companies to realize projects in branches. So, I was an Manager, System Architect and Administrator in one. It was a huge load but great experience, with great team. Please feel free to ask any questions. Thank you in advance for your time and consideration. I look forward to working with you soon. I have a Bachelors in IT technologies of economics Siberian Academy of Law, Economics and Management, in Russia. Listed below are my experience and skills. - Linux maintanance; - xBSD maintanance; - Windows servers maintanance; - Web servers: apache, nginx; - Mail servers: postfix, sendmail. Antispam and antivirus; - Zabbix monitoring; - DataBases: mysql, postgresql; - Services: DHCP, DNS, Print management, Terminal server, DFS, VPN; - Active Directory: planning, migration, deployment, setup, administration. As project manager I am highly organized and good multi-tasker with skills of communication and negotiation. Have enough skills to be detail oriented and have possibilities to find and solve problem quickly.

    $15.00 /hr
    20 hours
    5.00
  7. Beau Bergquist

    Beau Bergquist

    Data Specialist: mining, formating, storage and visualization

    United States - Last active: 01/21/2013 - Tests: 1

    I maintain thorough proficiency with several data storage architectures including: MySQL, PostgreSQL and SQL server. Additionally, I remain up-to-date in Oracle and DB2 frameworks. I possess a strong understanding of several programming languages including: PHP, Python and JavaScript, and I maintain working knowledge of the Ruby, Java and Fortran languages. Preference for data formats constantly change, so, I stay up-to-date with a variety of formats including: XML, HTML5, ePub, PDF and SGML. Additionally, I keep current on popular structured data exchange protocols including SOAP and REST. I possess a strong grasp of cloud data storage and computing services including Amazon AWS and Google Drive; including in-depth knowledge of each frameworks API's and command line scripts. I have excellent knowledge of the LAMP; including extensive experience with Linux server development on the Amazon EC2 platform. I derive most of my experience, with data visualization, during the development of scientific applications; which primarily involve climate and particle modeling. I've utilized rendering packages such as Qt4 and OpenGL.

    $25.00 /hr
    46 hours
    5.00
  8. Alexander A.

    Alexander A.

    WEB Developer

    Poland - Last active: 10/03/2013 - Tests: 3 - Portfolio: 8

    I have 7+ years of web development and network administration. Working with hard and soft servers components. I`d created many sites using PHP, MySQL, CSS, HTML, AJAX, jQuery. 40+ hrs/week online; full concentration on job; sociable; will keep your project until it completes; if needed will complete project in short terms (may work 48 hrs continuously). Main skills: Web programming: PHP, MySql, CSS, HTML, JS, jQuery. Web administration: Linux/UNIX web/base servers. SSH, Cpanel, Plesk, etc. Additional skills: Corel, Flash, Photo post-production. Languages: English, Polish, Russian. Have own web-designer if needed (Flash, Photoshop, Corel, Illustrator, etc).

    $27.78 /hr
    108 hours
    5.00
  9. Elvis Miranda Aramayo

    Elvis Miranda Aramayo

    .NET Developer with high skills on Front-End Development

    Bolivia - Last active: 4 months ago - Tests: 7 - Portfolio: 3

    Over the last 6 years, I have developed a wide range of web applications and web sites using Lamp platform, also right now I'm a full time .NET Developer (Asp NET MVC and C#). I'm a fully web developer, looking for amazing new projects to get the job done. Also I have experience developing/supporting on Helpdesk and FollowUp projects, using .NET technologies. In website creation, I have experience working/deploying joomla/wordpress sites, wordpress/joomla templating experience. Since I'm full time web developer, I also have experience working with HTML Email, Design and Coding, Mail Campaigns, PHPList, MailChimp. Mostly I'm interested in projects that involve PSD to HTML/CSS (valid) experience and heavy skills and Front-End Development skills, Ajax, jQuery, HTML5/CSS3. In my early days I had been working in Linux installation and administration experience. Experience with PHP/MySQL and Apache.

    $25.00 /hr
    80 hours
    5.00
  10. Houss Mekk

    Houss Mekk

    Sys Admin & Network Architect

    Morocco - Last active: 2 months ago - Tests: 5

    Interested by network design jobs and system administration, especially with open source UNIX-based solutions and Cisco technology. My strong initiative and exceptional organizational skills, allows me to play a crucial role for fast-paced projects. The following are highlights of my qualifications and accomplishments: + In-depth knowledge of network administration that includes switching, routing, load balancing and traffic shaping. + Experience in administrating UNIX systems such as Debian, CentOS, and Ubuntu. + Projects in virtualization and cloud computing. + Capacity to administer and secure networks and ensuring site-to-site tunneling. + Integration of Cisco switches and routers.

    $19.00 /hr
    30 hours
    5.00