Network & System Administrators

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  1. Andres Olvera

    Andres Olvera

    Expert Wordpress/PHP developer | Scripting expert

    Mexico - Tests: 18 - Portfolio: 2

    I have lots of experience building and enhancing WordPress plugins and building themes from scratch. My main strengths are: - Clean coding - 100% Wordpress coding standard compliant - Availability - usually respond within 5 to 10 minutes to any queries during CST workhours - Fast and top quality work I also have experience developing web pages using Perl and/or PHP, Javascript/jQuery, VBScript, CSS, Ajax and MySQL databases. I worked for a Fortune 500 automotive company in a reporting and analysis position, and also building and maintaining a website in the company's intranet using Perl and MySQL. After that I was in charge of supporting a website built with Java and the Spring framework, using both MySQL and Oracle databases, for customers worldwide. I also worked at the tech support helpdesk for that same company for over a year, troubleshooting Linux servers and workstations, networking and other data related issues. I was also in charge of administering KBOX ticketing system for over a year, from content management to database administration, to scripting solutions for its customers. I also have knowledge in scripting using different technologies, such as VBScript, Javascript, Linux shell scripting, Perl, and some Powershell, as well as VBA for Excel and HTAs. I was also regularly troubleshooting C and Java programs for bugs and/or enhancements. After that, I moved to a company named Softtek as a Software Engineer, I was part of a team that develops Wordpress plugins and themes for an American multinational conglomerate corporation. The last position I held was for yet another company as a Linux intermediate administrator, where I was in charge of managing users with Centrify and I also installed Cacti to monitor some of the company's servers running CentOS. Currently, I work on my own mostly developing Wordpress plugins and themes. I have specialized myself working on web development, mainly PHP with MySQL databases, but also Javascript/jQuery for the front end.

    Groups: Bluehost Developers and Designers, LoginRadius

    $88.89 /hr
    204 hours
    4.97
  2. Anton Chernysh

    Anton Chernysh

    Senior IT Engineer, Windows Systems

    Ukraine - Tests: 3 - Portfolio: 1

    IT System consultant with a lot of experience with all Microsoft products.Comprehensive MS servers knowledge. Security maintenance and implementation. Implementation of Windows servers systems. My thoughts in life, and work, is that nothing is impossible, nothing is out of reach, every problem has a solution. My goals are to safely, responsible and with resourcefulness, solve any problem. In love with Windows PowerShell.

    $19.99 /hr
    64 hours
    4.90
  3. Mihail K.

    Mihail K.

    UNIX/Linux administrator

    Belarus - Tests: 5

    I love UNIX! I love one-line shell scripts! I work with Debian, RedHat, HP-UX. Little with OpenSolaris and FreeBSD. I have experience in creating and supporting monitoring systems based on Zabbix and Nagios (several tens of servers with different OS). I am well familiar with network protocols and tools for testing and troubleshooting (wireshark, tcpdump, nmap, traceroute, etc.). I have experience in creating secure VPN tunnels based on OpenVPN, IPSec, L2TP/IPSec, GRE and PPTP. I was installing and configuring lighttpd, apache httpd, nginx, exim4, dovecot, samba, OpenLDAP, etc. I have experience with creating mail servers used in hosting company for many customers. I was working with virtualization Xen, KVM, VMware. Have experience with cloud services like Amazon EC2. I have experience in installing and configuring Oracle 10g, 11g, PostgreSQL, MySQL.

    $16.67 /hr
    88 hours
    4.97
  4. Geza Akocsi

    Geza Akocsi

    Windows system and network administration, web development

    Hungary - Tests: 4 - Portfolio: 1

    In the last 3 years I'm working as consultant, developer and system administrator in introduction of document management projects based on ELO system. (<a href="<a href="http://www.odesk.com/leaving_odesk.php?ref=http%3A%2F%2Fwww.elo.com"";;;; target="_blank">http://www.odesk.com/leaving_odesk.php?ref=http%3A%2F%2Fwww.elo.com"</a>;;;;; title="You are about to go to a URL outside odesk.com"><a href="http://www.odesk.com/leaving_odesk.php?ref=http%3A%2F%2Fwww.elo.com";;;; title="You are about to go to a URL outside odesk.com">http://www.elo.com</a></a>)I have 15 years of experience in system management in small business area. (Windows based servers and workstations, network planning and management.)In last five years I have designed and developed some websites from scratch, including areas of e-commerce and web-based business management.I have a lot of practice in remote management and it is my new tendency in my support field.

    $11.11 /hr
    17 hours
    4.81
  5. Yuliyan Tsvetkov

    Yuliyan Tsvetkov

    Advanced linux administrator and system automator

    Bulgaria - Tests: 6 - Portfolio: 1

    In the world of 24/7 available services, giving to the customer best stable and optimized Linux environment is the primary role of every System Administrator, my role too. I've 5 years of experience in automation, installation and maintenance of Linux servers based on RHEL, CentOS, Fedora, Debian and Slackware distributions. Also I'm managing a lot of live servers for the biggest Telcos in the Middle east and Africa using new technologies, and also proven old ones.

    $22.22 /hr
    218 hours
    4.68
  6. Iurii Polishchuk

    Iurii Polishchuk

    IT Expert: Oracle DBA, OCP, OCA, MCP, MCTS

    Ukraine - Tests: 2 - Portfolio: 1

    OCP, OCA, MCTS, MCP certified IT expert with more than 10 years of experience in a variety of directions: - Oracle Database administraion (Oracle DB 10i, 11g, 12c), RMAN, DataGuard (STANDBY), RAC, DataPump, Flashback, OLAP, Partitioning, Performance Tuning, SQL, PL/SQL. - operating systems installation, maintanace and administration (MS Windows NT,2000,2003,2008R2,2012, Linux, FreeBSD); - virtualization (Hyper-V, VMWare, Parallels, VirtualBox, Xen); - infrastructure (Active Directory, DNS, DHCP, VPN, Terminal Services, SCCM, Group Policies); - networking (TCP/IP, Forwarding, NAT, iptables, VPN); - Internet technologies and programming (Python, HTML, PHP, Java, C++); - scripting (Powershell, Python, BASH). My Microsoft certification: https://mcp.microsoft.com/authenticate/validatemcp.aspx Transcript ID: 1005555 Access Code: AccessGranted To check my Oracle certification please send me the message with Your email, then I'll publish credentials. Here is my elance account: https://www.elance.com/s/iurii-polishchuk/

    $44.44 /hr
    192 hours
    4.98
  7. Carlos C.

    Carlos C.

    J2EE/PHP5/SQL Developer. Linux SysAdmin. Brainbench certified

    Spain - Tests: 6

    More than 7 years of experience coding in PHP using many SQL databases (MySQL/PostgreSQL/MSSQL). I have worked in many projects as a project leader. I feel very confortable in managing my work time to complete the schedule. Experience with Zend Framework; MVC and Singleton patterns. Expert in use of XML technologies, APIs, AJAX and coding using OO (Objects). Skills using design software (Fireworks, Photoshop, Gimp). GNU/Linux system's administrator for more than 6 years.

    $17.78 /hr
    26 hours
    4.99
  8. Radovan Bajic

    Radovan Bajic

    MCSA, MCSE,SQL, SSIS, SSRS, Windows administration

    Serbia - Portfolio: 1

    MCSA, Windows server administration, SQL administration, T-SQL, SSIS, SSRS, BI, SharePoint server, In previous work experience I’m worked on the following projects: - Making private cloud based on the VMware platform virtualization in SAN environments with blade servers and NetApp storages - Projects a complete IT infrastructure for a new manufacturing firm from the scratch - Design and implementation software of field sales, market research and implementation into existing ERP - Design and manufacture of migration from VMware to Hjyper-V platform of the entire IT infrastructure. - Design and implementation of internal portal based on SharePoint 2010 and implement ticketing system for communication a consumers with IT sector

    $11.00 /hr
    16 hours
    5.00
  9. Dmitry Bardin

    Dmitry Bardin

    Senior Software Engineer

    Russia - Tests: 11

    Design and development complex IT solutions for the management and automation of business (including ECM,BPM - Alfresco,Liferay,IBM BPM). Consulting. Top areas: 1) Alfresco (3.4,4.x,5.x) repository and Share customization and itergation with different external systems. 2) Activiti Workflow Engine; 3) Spring development; 4) Integration and customization open-source solutions ( like Liferay, DotCms, Apache projects e.t.c.)

    $28.00 /hr
    16 hours
    4.77
  10. Henry D.

    Henry D.

    .Net Developer

    India - Tests: 5 - Portfolio: 1

    I have a keen interest in revealing the new ideas through the passion of appropriateness. I also have a deep ability of getting through any kind of problem in a specific manner. My aim is to bring innovation. I think I will prove myself as a better and well person in the customs of any client. Technical Skills : Programming languages C#.NET,VB.NET XML, JavaScript, jQuery, Webtechnologies: Asp.Net 2.0/3.0/3.5/4.0 IDEs VS 2005, 2008 and 2010 Database SQL Server 2005, 2008R2, MySQL, PLSQL Operating Systems Windows 8/7/Vista/XP Web Design/Development HTML/HTML5, CSS3, JavaScript, JQuery, Other 3rd Party Tools: Telerik Rad Controls, LLBL GEN, ABCPDF

    $3.33 /hr
    470 hours
    4.77