Network & System Administrators

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  1. Roy jonathan V.

    Roy jonathan V.

    IT System Administrator

    Philippines - Last active: 22 hours ago - Tests: 11

    - Windows XP / Vista / 7 / 8 - Windows SBS 2003 and 2008 , Windows Server Standard 2003 , 2008 , 2012 - Mac OSX Server - Sharepoint - Office 365 - Zendesk, Capsule CRM, HelpSpot, Dellserv, Kayako, Spiceworks - Microsoft Exchange server and Microsoft Outlook - Domain Hosting / Email Hosting - Malware/Virus Expert - Basic to Advanced Networking - Computer Remote Repairs

    $11.11 /hr
    14,146 hours
    5.00
  2. Vladimir Pavlov

    Vladimir Pavlov

    Expert Web Developer - PHP/MySQL/AJAX/CodeIgniter/Jquery

    Ukraine - Last active: 22 hours ago - Tests: 1 - Portfolio: 2

    I'm experienced PHP Developer (8+ years) in IT industry. I'm looking for opportunities to work with possible clients for challenging projects using PHP/Mysql, PHP OOP programming, AngularJS, Ajax, RESTful API Implementation, Data Visualization, jQuery etc. I know it's frustrating to work with flakes, frauds and poor communicators; that's why I'm dedicated to reliability, clear communication and professionalism. I hope you to understand that your project is important to me and deserves my attention and dedication. I have powerful skills in PHP, MySQL, AJAX, javascript. Known frameworks php: Codeigniter, Kohana, Symfony2 Known frameworks js: Angular.js I create and upgrade corporate billing system. Development softwares for SetTopBoxes. Creating Samsung SmartTV apps. I have beginner knowledge on android sdk. Knowledges on creating multithreading php scripts knowledges on node.js. Development standalone service on node.js for contol multicast channels. Mysql database administration and etc. Thanks, for your attention!

    $15.00 /hr
    14 hours
    5.00
  3. Sergey Golovchenko

    Sergey Golovchenko

    DevOps/System/network administrator

    Ukraine - Last active: 22 hours ago - Tests: 4

    My goal is providing only hight quality service. If you have any IT task - ask me, and I'll provide complex solution. Filed of my expierence covers, but not limited to: OS: varios Linux (Ubuntu/Debian/CentOS and other), FreeBSD SCM: Puppet Web servers: Apache, Nginx Database servers: Mysql and clones, Postgresql Monitoring: Nagios, Zabbix (preffered),Cacti Virtualization: Openvz, XEN and XenServer, KVM Cloud services: AWS, Rackspace Scripting: bash, python. Mail servers: postfix, dovecot, exim, sendmail and many others Networking: standard network services (DNS, DHCP, Samba, SVN/Git, http proxy, jabber, VPN, backups, monitoring etc), firewalls and routers (iptables, iproute, VLAN, bridging, bonding, BGP, OSPF), different hardware (Cisco, Extreme networks, mikrotik and many other) PS: This list isn't full, as long lists looks ugly :) Also I'm very interesting in development/DevOps task's, especially python development.

    $35.00 /hr
    227 hours
    5.00
  4. Levan Gventsadze

    Levan Gventsadze

    Quick and Smart Linux specialist

    Georgia - Last active: 22 hours ago - Tests: 6

    High quality professional with a masters degree in computer science. Worked on lots of governmental services, able to code in PHP, Perl, Bash, C, Assembly, dive into the system deeper, optimize its performance and speed. I've happened to write device drivers for Linux. Having huge experience with Linux world I can manage thousands of servers at the same time, implement a cloud, deploy a cluster, achieve high availability of services... I do not get windows related tasks, only Linux specific jobs please. I am pretty smart, very quick, honest and reliable contractor with good verbal and written English skills.

    $30.00 /hr
    0 hours
    5.00
  5. Kumar R.

    Kumar R.

    Project Manager-Information Architect-BI-Java-PHP-Product Management

    India - Last active: 1 day ago - Tests: 2 - Portfolio: 1

    Accomplished professional with nearly 9 years of experience in facilitating IT Project Management and Software Development initiatives. Delivers efficient and reliable IT solutions and excels in building/leading teams in high-pressure environments. Committed to professionalism, highly organized, able to see the big picture while paying attention to small details, and exhibits excellent communication skills. Recognized for being a creative visionary, technical and development leader with an entrepreneurial sprit, leveraging in-depth knowledge of the marketplace and the manufacturing landscape to significantly increase revenue and operational efficiency.9 years of experience delivering mission-critical, full life-cycle projects on-time and on-budget for the Healthcare, SaaS, Telecom and Logistic industries. Results- oriented with an extensive background in the architectural design, development, testing and deployment of Enterprise Infrastructure, Data Automation, Data Warehousing, Business Intelligence, Windows, Linux and Networking technologies. Practicing a team-based management style and possesses excellent interpersonal skills. Solid organizational, communication and time management skills. Adept at bridging Technical performance gaps to complete business interests, developing process improvement initiatives, and conveying complex product development concepts in a simple and compelling manner. Guided a team of developers at Social Network Platform. While overseeing software development projects (from conception to completion) with multi-million dollar budgets. Managerial Skills: • Being involved in a project from evaluation, conception and completion. • Ability to provide leadership, motivation and strategic direction to a multifaceted team. • Excellent interpersonal, collaboration, and problem solving skills combined with excellent written and verbal communication skills. • Strong understanding of Process Model, SDLC, and Business Analysis practices. • Proven ability to achieve results in very high-pressure environments and to keep teams motivated. Technical Skills: • Expert in building client/server and web-based management applications • Deep knowledge in development technologies and architectures • Mobile Device Management, client computing management • UML, XML, HTML, CSS, JavaScript, GIT, Bugzilla, Team Foundation Server • Microsoft SQL Server, SQL Azure, Access, MySQL. • Specialization in Operations Management, Development, Admin Management, Entrepreneurial, Project Management and Business Analysis & Intelligence. Linkedin Profile :http://www.linkedin.com/pub/kumar-raghav/b/941/214

    $25.00 /hr
    0 hours
    5.00
  6. Syed M.

    Syed M.

    Java EE Developer

    India - Last active: 03/28/2012 - Tests: 2

    I have seven years of experience working as a Software Engineer and System Administrator in the United States. During this time, I have played a leading role in every aspect of the software development lifecycle, from requirements gathering and design to deployment and maintenance. I have developed both desktop and web applications. I am also a Sun Certified Java Programmer and OMG-Certified UML Specialist.

    $33.33 /hr
    588 hours
    5.00
  7. Juan Manuel García Del Moral

    Juan Manuel García Del Moral

    Sr Unix/Linux Management and Infrastructure Expert

    Argentina - Last active: 11/09/2014 - Tests: 2 - Portfolio: 6

    I have 12 years of experience in Unix/Linux Administration and Development. During this time, I've developed professional solutions using the following technologies: Linux, Unix, Perl/Bash Scripting, Apache, MySQL, PHP, Tungsten Replicator, XEN, VMWARE and more. My main goal is to become your preferred IT partner when you need to get any project done. I want to build a strong and long term working relationship with increasing benefits to both parties. I strive on customer satisfaction regarding: - Time and Cost Effectiveness - Quality Assurance - Outstanding product performance - Fluent and Friendly Communication - Availability.

    $25.56 /hr
    329 hours
    4.92
  8. Murugeshwari S

    Murugeshwari S

    Senior Tester, Expert in Functional and Performance

    India - Last active: 2 months ago - Tests: 1

    Overall 7 years of experience in Information Technology; Software Testing. Good understanding in Agile methodology with good experience in Scrum Master. Have good Process knowledge in SDLC/TLC models Worked extensively on Customer Escalations, Test Execution status and Defect Status Tracking.Well experienced in Manual and Performance testing also have exposure to Automation testing (Silk Automation) Good knowledge in AR client, Remedy QM applications, TestDirector, Testlink, Fogbugz and Jira. Preparing Test Strategy document, Performance strategy document, Test scenarios, Test conditions, Risk Assessment documents Involved in Performance Testing, System Testing, Integration Testing, Regression Testing, Compatibility Testing, Sanity Testing, Upgrade Testing, Worked closely with support on critical customer issues Microsoft certified in .Net, ISTQB Certified.

    $12.00 /hr
    756 hours
    5.00
  9. Serhiy T.

    Serhiy T.

    Linux, FreeBSD, Windows, Network, Apache, MySQL System Administrator

    Ukraine - Last active: 03/05/2012 - Tests: 12 - Portfolio: 1

    - Operating systems: FreeBSD, openSUSE, Red Hat, CentOS, Debian, Ubuntu, Gentoo, Windows: 2000/2003/XP/Vista/7, Mac OS X: 10.4-10.6 - Programming languages (basic level): Bash, PHP, Perl, SQL, C, Objective C, html - Network protocols: TCP, UDP - Network services: DNS, FTP, HTTP, HTTPS - Web Servers: Apache, Nginx, Tomcat - MTA: Postfix, Qmail, Exim - FTP Servers: Pure-ftpd, Proftpd, vsftp - Firewalls: ipfw, ipchains, iptables - Network tools: route, iproute2, natd, tcpdump, netcat, trafshow - Databases: MySQL, MSSQL, Redis - Network file systems: GlusterFS - Virtualization: OpenVZ, Xen, VMware, Virtual PC - Version Control Systems: Subversion - Control panels: cPanel, WHM, Plesk - Monitoring systems: Nagios, Zabbix, Monit, Munin, Cacti - Cloud services: Amazon EC2 - Bug tracking systems: Mantis, Redmine, Trac, Jira - VPN: Mpd, OpenVPN, PPTP - Other software: Squid, Samba, Bind, Radius, Varnish, HAproxy, Wowza Media Server

    $33.33 /hr
    44 hours
    5.00