Network & System Administrators

Clear all filters
  1. Daniel Ostrovsky

    Daniel Ostrovsky

    Senior FrontEnd Developer

    Israel - Last active: 09/04/2012 - Portfolio: 4

    7+ years experience in UI development for web applications. Perfect CSS, HTML, Javascript and JQuery skills. Strong understanding of PHP, Smarty, MySQL. Experience in creating cross-browser. Knowledge in using Photoshop. Solid understanding of web technologies and web applications. Fast learning, teamwork, creativity, problem solving, responsibility, resourcefulness, technical and technological skills. Specialties Languages and frameworks: HTML4/5, DHTML, CSS2/3, JavaScript, MooTools, JQuery, AJAX, XML, PHP, Smarty. Graphical tools: Adobe CS4/5, (Flash, Photoshop, Acrobat). Balsamiq Studios.

    $55.56 /hr
    8 hours
    5.00
  2. Lukas Kocourek

    Lukas Kocourek

    senior IT professional

    Czech Republic - Last active: 12/04/2014 - Tests: 4 - Portfolio: 1

    major skills: ‣ network TCP/IP (IPv4, IPv6), routing, firewall, VPN, monitoring systems ‣ VMware (architecture, management & deployment) ‣ UNIX operating systems (Debian, Ubuntu, RHEL, CentOS, OS X) ‣ Apache, Nginx, Tomcat, Icecast, BIND, Zabbix, Nagios ‣ SQL technology (MySQL, MS SQL) ‣ clustering, HA ‣ programming languages PHP, JavaScript (Node.js), Perl, BASH ‣ HTML, CSS, Adobe Photoshop ‣ VCS systems (GIT, CVS) ‣ SAN EMC CX/VNX class management

    $25.00 /hr
    0 hours
    5.00
  3. Ognjen S.

    Ognjen S.

    Ognjen Simisic

    Bosnia and Herzegovina - Last active: 16 days ago - Tests: 5 - Portfolio: 4

    An IT expert with more than 10 years of experience specialized in network and system administration, MS SQL databse administration, CCNA certified. Working on implementing IT in a small SOHO companies through international banks and government institutions. A team player who has excellent interpersonal and communication skills.

    Groups: Microsoft Certified Professionals

    $11.11 /hr
    2 hours
    5.00
  4. Stepan Birukov

    Stepan Birukov

    Linux system administrator with experience in networking

    Ukraine - Last active: 15 days ago - Tests: 5

    Since 2013, I have been working as Network engineer and Unix system administrator for ISP. I have experience in support business-critical applications and hardware, configuration of network equipment and Unix-based servers, bottlenecks search in high-load Unix systems.

    $15.00 /hr
    0 hours
    4.68
  5. Michael John Verano

    System Analyst/Programmer

    Philippines - Last active: 22 days ago - Tests: 1

    I am a Computer Engineering graduate mastering and enhancing my system and web development skills for over 4 years since I graduated. I am currently the System Analyst/Programmer of Geo-Surveys & Mapping, Inc. (GSMI), a company that provides customized applications with GIS capability here in the Philippines. Most of our clients are Local Government Units. I have a comprehensive experience in Visual Basic, Visual Basic .Net, ASP .Net, Crystal Reports, AJAX, Javascript, JQuery and XML. As backend, I have extensive experience in Oracle 9i/10g, MS SQL Server 2000/2005 MS Access and MySQL. I am also an experienced GIS programmer using PCI Geomatics’ Geomatica and Supermap GIS.

    $25.00 /hr
    169 hours
    5.00
  6. Nikolay Popov

    Nikolay Popov Agency Contractor

    Network Administrator

    Ukraine - Last active: 17 days ago - Tests: 5

    11 years expirience in ISP network administration Mainly worked with Cisco, HP, Foundry equipment. Linux/FreeBSD servers administration (Hosting services, Traffic Engeneering) VoIP (Cisco CME, Asterisk) Passed Cisco BSCI/BCMSN/TSHOOT trainings.

    Associated with: Altima Web Systems

    $22.22 /hr
    13 hours
    5.00
  7. Hans W.

    Hans W.

    Senior System Engineer

    United States - Last active: 5 months ago - Tests: 2

    Accomplished System Administrator with 16 years of experience in research and instructional computing support. Comprehensive experience with Linux, Windows and Solaris. Specialties * Enterprise System Administration * Storage Management * Network Engineering * Datacenter Operations

    $44.44 /hr
    679 hours
    5.00
  8. Clint C.

    Internet Security - SonicWALL Adtran Cisco

    United States - Last active: 20 days ago - Tests: 2

    I am a self-driven, highly-analytical SYSTEM/NETWORK/SECURITY ADMINISTRATOR with 18 years of progressive experience helping companies improve organizational security and effectiveness. Adept at the design, architecture, development and maintenance of high-performing secure networks. My skills in the area of systems/network security and administration are complemented by my certifications as a Certified SonicWALL Security Professional, Microsoft Certified Systems Engineer, Cisco Express Foundation Sales Specialist and Apple Certified Systems Administrator. I am proficient in Windows XP/Vista/7, Windows Server NT/2003/2008, Exchange 5.5/2003/2007, Apple OS X Server/OS X workstation, Dell/HP/IBM and Apple servers, Cisco routers/switches and firewalls, Adtran routers and switches, SonicWALL firewalls/email security appliances and SonicPoints, Barracuda appliances, DHCP, DNS, VPN, SSL-VPN, LDAP, Active Directory, SMTP, OWA, HTTP, HTTPS, IIS.

    $80.00 /hr
    10 hours
    5.00
  9. Ruben Souto Perez

    Developer / Desarrollador

    Spain - Last active: 05/27/2013 - Tests: 1 - Portfolio: 3

    I work as a programmer, analyst and consultant in a spanish software development company. I'm experienced working with the following development tools: - C/C++. - Delphi. - Visual Basic 6. - vb.net. - Java. - Python. - PHP. - HTML. - CSS. - Javascript. - XML. - SOAP. - Sql Server. - PostgreSQL. - MySQL. - dBase. --------------------- Realizo funciones de programador, analista y consultor en una empresa de desarrollo de software española. Tengo experiencia trabajando con las siguientes tecnologías: - C/C++. - Delphi. - Visual Basic 6. - vb.net. - Java. - Python. - PHP. - HTML. - CSS. - Javascript. - XML. - SOAP. - Sql Server. - PostgreSQL. - MySQL. - dBase.

    $11.11 /hr
    229 hours
    5.00