Network & System Administrators

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  1. Dilyan Dimov

    Dilyan Dimov

    Expert Networking, Security and Unified Communications

    Czech Republic - Tests: 6 - Portfolio: 1

    IT professional with 15+ years of total experience in systems integration, IT consulting and service delivery. Working with hundreds of businesses large and small over the years has given me the skills and experience to help SMBs get the most out of their technology. I have earned my certificates from Cisco and CheckPoint but I have an in-depth knowledge within few other major areas like IPTelephony and VoIP; call centers and call recording solutions; Linux administration (RHEL based); Business Intelligence (QlikView); Web services and third party software integration. Held multiple certifications from 2002 to now including: Cisco Systems: Cisco Certified Network Associate (CCNA) Cisco Certified Network Professional (CCNP) Cisco Certified Design Professional (CCDP) Cisco IronPort Certified Security Professional (CICSP) Check Point: Check Point Certified Security Administrator NGX (CCSA) Check Point Certified Security Expert NGX (CCSE) Check Point Certified Security Expert Plus NGX (CCSE+) Specialties: - Routing and Switching - Network design and planing - VoIP/IPT - Linux implementation and administration - Virtualization - WEB development - DB Administration

    $33.33 /hr
    112 hours
    5.00
  2. Pavel Kavalenka

    Pavel Kavalenka

    PHP MySQL Symfony, Wordpress and Prestashop developer

    Belarus - Tests: 4

    Hello, My name is Pavel. I am a PHP developer with over 6 years of experience. My main strength is an in depth knowledge of PHP and MySQL. Furthermore, I am knowledgeable of popular web programming languages and technologies such as Javascript, CSS, Sphinx, as well as popular frameworks and CMS: Symfony 1.4/2, Wordpress and Prestashop. I have experience working on highload projects: for about 3 years I have worked for one of the most popular internet portals in my country which has over 1 million unique visitors per day. When working on projects I always choose the most optimal approach and use the most appropriate technology depending on the client's needs. I deliver clear and understandable code, based on best practices and OOP/MVC principles. The client's satisfaction is important to me at all stages of the project. I believe myself to be a talented programmer. Regards, Pavel

    $28.00 /hr
    450 hours
    5.00
  3. Syed Raza

    Syed Raza

    Linux / Unix / Clustreing / DBA/ Big Data / Asterisk & VOIP

    Pakistan - Tests: 15 - Portfolio: 1

    "Have 5+ years Technical Experience over Major Unix/Linux Distro ( Debian, HP-UX11i, Solaris 8.0/10, AIX 5.X, 6.X, RedHat Enterprise Linux 3-5, Novell Enterprise Server, SLES 7), Virtualization (Xen, Citrix Xen, VBox, Vmware ESX, Solaris Zones and Containers, IBM LPARS/DLPARS/WAIO). High level hardware of P and i Servers from IBM and Sun SPARC T5220 Server Machines. Cloud Computing (Amazon EC2,S3,Cloud front, Elastic host, Linode, Rackspace) DNS, LAMP(Apache2,Cherokee,Nginx,lighthttpd) / J2EE ( Tomcat6, Jetty, GlassFish, Jboss, IBM Web Sphere Application Server), Streaming Server (Wowza/php based h264 Pseudo Streaming etc.) Load Balancers (Zend LB, Amazon ELB, HA-Proxy, Mysql-proxy). DataBase (Mysql, Oracle, Postgre, DB2, NOSQL etc). Inhouse Development Environment for Apple / Android / Windows Mobile and LAMP. Bug Tracking and ticketing System. Securing the Web, DB and Applications using open source tools and certifying PCI Compliance etc. Besides that i have experience of 130 Nodes Beowulf Cluster. My major expertise is on UNIX/ Linux based systems and Cloud Integrated with MS windows Environment and High Performance Machines and High Availability Systems. Planning, Designing and implementing DR SITE as Project and BCP as free-lance work with PCI Standard. Please review CV for Details"

    $30.00 /hr
    42 hours
    4.29
  4. Nikolay Vaganov

    Nikolay Vaganov

    Skilled Linux and Windows system administrator

    Russia - Tests: 3 - Portfolio: 1

    I'm a high skill administrator of Linux and Windows systems. Highly experience at Linux based systems like Debian based ( Debian , Ubuntu and other same ) and CentOS. Have clients at monthly administration with prepaid hours of work, load monitoring, webservers perfomance, weekly/daily system updates. Have high experience at all of web services ( web , databases, php, mail, dns, ssl ) troubleshooting from administration side ( no programming ). web : apache2 , nginx , php-fpm, lighttpd DB servers : MySQL ftp : proftpd, vsftpd smtp/pop3/imap : postfix , exim4, dovecot Scripting : powershell, bash , perl Virtualization : OpenVZ , PCS Security : iptables, fail2ban Other : OpenVPN , AWS, redmine, zabbix, l2tp, ipsec, ssh, backup, AD and many other.

    $10.00 /hr
    12 hours
    4.77
  5. Amarjeet Singh

    Amarjeet Singh

    WordPress Developer

    India - Tests: 2

    Hi, My Name is Amarjeet Singh. I am a B.tech Holder. I am Expert in WEB DESIGNING, PHP, HTML, CSS, WORDPRESS, OPEN CART, CAKE PHP, BIG COMMERCE and other CMS.Versatile team player with excellent communication skills and can work in a group as well as individually to handle the entire life cycle of application developments. I’m an Expert, Honest, Sincere and Responsible worker as I’m taking my work like my Responsibility.Over the last few years, I’ve had the opportunity of working for several web development companies as well as freelancers. This has given me extensive web development knowledge and technical skills and all applied in my successfully projects. I provide daily status report,apprising clients with the current status of my work.I respond to client messages in max. 24 hours in the week days. Quality Work: I desperately try to accomplish all my work with highest standards of quality. Delivery: I deliver the site to client hosting server after the site completion Thanks

    $7.78 /hr
    36 hours
    5.00
  6. Konstantin Ponomarenko

    Konstantin Ponomarenko

    Web Developer / IT Professional / Marketing Consultant

    United States - Tests: 1

    During the last few years, I attended the only College in the Northwest to provide a Cyber Security Program. During this time, I developed strong knowledge in hacking and defense of enterprise systems. My goal is to go above an beyond the requested project. I look for clients that want to come back to me because of the dedication I put into my projects. » Advanced knowledge in Operating System Configuration & Administration including Windows & Mac OS (Mobile Systems: IOS & Android) in an Active Directory Environment » Working knowledge of Linux Systems & Administration » Proficient in WAN/LAN Network Configuration & Administration (Including Physical & Wireless) » Security Analytics & Implementation (SonicWall, Palo Alto Firewall, Nessus) » Ethical Hacker Trained (Penetration Testing, Vulnerability Assessment) » Computer Forensics » Proficient in Microsoft Office Suite Applications » Proficient in Adobe Software » Proficient in developing and implemented strategic network infrastructure » Advanced knowledge in troubleshooting & correcting hardware and software problems » Research and Development » Disaster Recovery & Business Continuity Strategies » Entrepreneurial Mind-set » Customer Service Oriented » Documentation Would like to thank you for taking the time to review my profile and hope to serve you.

    $33.33 /hr
    29 hours
    4.80
  7. Roman P.

    Roman P.

    Senior Developer

    Russia - Tests: 3 - Portfolio: 2

    I am senior PHP Developer more than 8 years. Me or under my leadership, was more than 100 projects of varying complexity. What will you get by hiring me: 1. I have a lot of experience in designing applications, I will help to make the product specification, and avoid many problems in the future. 2. I perfectionist and get everything to work without bugs. 3. Always online. I am available most of the time of day, so respond promptly to your messages. 4. I always meet your needs and deadlines. 5. I have experience with git and many bug-tracking systems and I will share current progress with you such often as you want. Listed below are my experience and skills. — ZF2, CodeIgnitor but most likely Symfony2, — JavaScript; — MySQL, Oracle; — Git; — PHPUnit — CMS: Modx, Bitrix, Joomla, Prestashop — phantomJS, selenium — Redmine, Jira; — Perl, Ruby — Administration: Linux, Mac OS. I have a Specialist (Russian academic degree more than Bachelors) in Software Engineering from Rostov State University.

    $27.78 /hr
    119 hours
    5.00
  8. Dario S.

    Dario S.

    Lead Software Engineer, Rockstar iOS/Android Developer

    Italy - Tests: 8 - Portfolio: 5

    -- oDesk has recognized me as one of their top Mobile Developers. See the badge on the right of my profile for more information -- I am a freelance software engineer. I like to work on whatever I think innovative and interesting. I am specialized on cross-platform mobile application development, mobile marketing strategies, web scraping, networking, RESTful API design and development. I am an expert game developer both with iOS and Android platforms. I have a master degree in computer system engineering and I am used to work on high performance and high scalability projects. I'm also a graphics designer and sounds expert. I've studied each mobile marketing strategy used since the App Store and the Google Play marketplace were out so I can easily suggest you what's the best for your next product. ✔ If you need to create a new app from scratch including graphics, sounds and marketing campaign I'm the man you need for this task. ✔ If you consider to use a crossplatform framework like Corona or Cocos2D-x for your next amazing app I can help you to realize your idea faster and better. ✔ If you are going to create your own game engine, I can help you in designing and implementing it according to your needs. ✔ If you do not know how to plan the marketing campaign of your next app, I can recommend strategies to advertise your product at no cost. I'm also an expert in extracting data from the web, if you need to harvest data for your business intelligence, I can surely help you with this ✔ If you need to scrape and save data locally and get new data automatically each day/hour/minute, I can do it in a simple, fast and secure way ✔ If you need to perform calculations on data on a remote site, I can make the software able to read and calculate what you need More information @ http://www.10undertiber.com

    Groups: Application Developers Alliance, Corona Labs

    $59.99 /hr
    2,164 hours
    4.98
  9. Ravinder S.

    Ravinder S.

    Wordpress, CakePHP, Codeigniter, Designing, Magento, PHP

    India - Portfolio: 8

    In the last 7+ Years, I have develop and worked with Many Open Source Technology, specially following: - Programming language(s): CorePHP, CakePHP, Codeigniter, Wordpress. - Additional skill(s): HTML, CSS, PHP, JavaScript - A work style that is extremely detail oriented - Strong communication skills - 3-5 years of programming experience - Masters in Computer Application - The drive, flexibility and passion to work independently and thrive in a remote-work environment My objective is to make sure My client business grow simultaneously with the development I will do for them. I Love to work with start-ups and always try to turn my job in ongoing work by facilitating good work.

    $12.00 /hr
    10 hours
    5.00