Networking Consultants & Professionals

Showing 97,541 freelancers

Networking Consultants & Professionals

Showing 97,541 freelancers

  • LAMP,LINUX,UNIX,NETWORKING,PHP

    Now I am a Head of Web Hosting Department.I have 8 years IT experience in the following areas: Linux Administration Knowledge of shell scripting Network Administration Network Security Server Auditing Technical Support Virtualization (ESXI) Web hosting Control panels such … more

    Now I am a Head of Web Hosting Department.I have 8 years IT experience in the following areas: Linux Administration Knowledge of shell scripting Network Administration Network Security Server Auditing Technical Support Virtualization (ESXI) Web hosting Control panels such as cPanel,ISPconfig Tweaking and Optimizing Apache for better performance PHP Development Data recovery Asterisk/Trixbox/Elastix/VoIP/A2Billing solutions. and other  less

    • $16.67 HOURLY RATE
    • 5.0
    • 272 HOURS
    • ARMENIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 3 TESTS
  • Senior Linux Administrator

    * Fully manage the installation, configuration and troubleshooting of Linux servers * Install and configure Web Servers and MySQL * Install and configure customer scripts and programs * Monitor performance to identify and resolve issues using a suite of systems and tools. * Troubleshoot and … more

    * Fully manage the installation, configuration and troubleshooting of Linux servers * Install and configure Web Servers and MySQL * Install and configure customer scripts and programs * Monitor performance to identify and resolve issues using a suite of systems and tools. * Troubleshoot and resolve network, system, hardware and software problems. * Achieve quick fixes and / or long-term solutions as needed. * Maintain 100% customer satisfaction through all available means.  less

    apache-administration nginx varnish-cache centos iptables linux-system-administration vmware-administration nagios vmware-esx mysql linux-slackware memcached windows-administration network-administration postgresql postfix ftp apache-solr domain-migration ssh spamassassin clamav vim openvz atlassian-confluence atlassian-jira glassfish virtualization freebsd cpanel unix-shell bash amazon-web-services amazon-ec2 amazon-s3 00 more less
    • $20.00 HOURLY RATE
    • 5.0
    • 118 HOURS
    • ROMANIA
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 4 TESTS
  • Senior System Administrator

    Hello, I'm a System Administrator with 6+ years experience. I have worked earlier with hosting companies like hostpro.ua, 1gb.ua, hostclear.com, justhost.com and SingleHop.com. I've great experience with WordPress, cPanel/WHM, Plesk and server … more

    Hello, I'm a System Administrator with 6+ years experience. I have worked earlier with hosting companies like hostpro.ua, 1gb.ua, hostclear.com, justhost.com and SingleHop.com. I've great experience with WordPress, cPanel/WHM, Plesk and server configuration (Bind, Postfix, Apache, MySQL, FTP and etc) + Virtualization OpenVZ Also I know CentOS and Ubuntu rather good (installation and configuration of software like ffmpeg, 3dproxy, Maldet, OpenVPN, Bugzilla and etc) Also I've a good experience with Nginx + PHP-FPM + Nginx Cache + Varnish Cache Currently I work remotely as a system/server administrator at RipaMedia Inc. I love my job and also I like to help people like you :)  less

    linux-system-administration mysql ubuntu wordpress cpanel plesk windows-administration whm domain-migration ffmpeg openvpn openvz centos nginx virus-removal lamp-administration clamav load-balancing nagios varnish-cache memcached 00 more less
    • $22.22 HOURLY RATE
    • 4.9
    • 127 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 1 TEST
  • 7+ years,C++/Qt, C#/.NET, Mac/Linux/Win,Network Engineer,Cryptography

    Expert Desktop and Web application developer. Created softwares with various technologies :- Network, Multimedia, Database, XML applications, 2D Graphics. I love Qt/C++ just like may other Qt developers. My development experience spans all major OS - Windows/Linux/MacOSX. My web … more

    Expert Desktop and Web application developer. Created softwares with various technologies :- Network, Multimedia, Database, XML applications, 2D Graphics. I love Qt/C++ just like may other Qt developers. My development experience spans all major OS - Windows/Linux/MacOSX. My web application programming experience includes advanced ASP.NET AJAX application with HTML/CSS/Javascript programming. I have also created professional toolkit in .NET (See my portfolio). Unlike others, I am very good at quick learning, fast thinking and creating novel solutions of the problems I face. Computers has been my hobby since childhood. Hence I have experience in many divergent fields in computers. I have developed and pckaged for all 3 major OS Windows/Linux/MacOSX. If you run linux desktop, you must be my copyrighted code. Incidentally I also have experience of Linux server administration. Experience of Key technologies:- 1. Qt-1.x/C++, Qt-2.x/C++, Qt-3.x/C++, Qt4.x/C++, Qt5.x/C++ , C++11 Modules of Qt:- QtCore(for Console programming), GUI, MultiMedia, Network, XML, Sql, Phonon, GraphicsView framework, Interview Framework, Arthur painting system, ActiveX and many others. 2. Qt/C++ for Windows, Qt/C++ for MacOSX, Qt/C++ for Linux( All versions) 3. Build systems for MacOS, Linux, Windows. PackageMaker for MacOSX, RPM and Deb build systems for linux, MSI installers for Windows. 4. Rich Multimedia Applications with Recording and Playback facilities. 5. Complex Network Applications. It includes creation of new protocol and manipulation of often used protocols. Like FTP, HTTP, SSL enabled HTTP (HTTPS). Socket programming. Secure Programming. 6. Reverse Engineering, Hacking Softwares and Network (Ethical only). Decryption, Decoding of algorithms 7. Various Version control systems ( VCS ). Like SVN, CVS, Git etc. 8. Almost all Visual studio flavours. Visual Studio 6.0, Visual Studio 2005, Visual studio 2008, Visual Studio 2010, Visual Studio 2012. 9. Web services, which included WSDL, SOAP, REST frameworks. 10. SQL databases like Mysql, MS-SQL, Postgresql, Sqite 11. HTML, CSS, Javascript, Jquery, AJAX 12. C#, .Net, ASP.NET 13. All kind of symmetric/Assysmetric encryption, RSA, DSA, AES, DES, 3DES, Blowfish. Hashing algorithm like MD5, SHA1. 14. Working experience of Adobe Photoshop. 15 AAF format Creation and Manipulated. AAF SDK. 16. Barcode Generation. EAN13, GS-128, Code-128 etc. 17. All major 3 OS software development : Windows, MacOSX, Linux . I have them installed side-by-side. Keywords :- Qt-1/C++, Qt-2/C++, Qt-3/C++, Qt-4/C++, Qt-5/C++, Reverse-engineering, Decryption, Decoding, Hacking, SVN, Git, SQL, Database, Network, Multimedia, IDE ( Integrated Development Environment ), Visual Studio, Qt developer, Qt Engineer, experienced Qt engineer, Qt Programmer, C#, ASP.NET, .Net  less

    qt c++ c# .net-framework css asp.net html javascript sql multithreaded-programming 00 more less
    • $79.50 HOURLY RATE
    • 4.9
    • 5430 HOURS
    • INDIA
    • LAST ACTIVE
    • 7 PORTFOLIO ITEMS
    • 6 TESTS
  • Expert Ruby on Rails Developer, Team Lead, PM

    70% of all software projects fail. Why is that happening? A few reasons: - Poor communication - Poor communication - Poor communication - Badly defined requirements - Wrong project's priorities - Sloppy development practices How do I address these issues: *Communication & Requirements clarification* - Monday to … more

    70% of all software projects fail. Why is that happening? A few reasons: - Poor communication - Poor communication - Poor communication - Badly defined requirements - Wrong project's priorities - Sloppy development practices How do I address these issues: *Communication & Requirements clarification* - Monday to Friday daily status meetings at fixed time, suitable for all team members(customer is a team member). - Weekly iteration planning meetings. - Transparent and easy-to-use Project Management tools. *Project prioritization* - Complexity estimation - Short iterations & short feedback loop *Development practices* - Perfectly clean code - Test Driven Development (99% test coverage). - Obligatory code review & collective code ownership. - Domain Driven Design, Lean Architecture, GRASP, SOLID If this sounds good for you, let's get this done. LinkedIn: http://www.linkedin.com/pub/vladimir-rybas/13/901/1a9 Github: https://github.com/vrybas Tech Blog: http://vrybas.github.io/  less

    mysql javascript ruby ruby-on-rails github linux-system-administration agile-software-development scrum 00 more less
    • $100.00 HOURLY RATE
    • 4.3
    • 5914 HOURS
    • THAILAND
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 3 TESTS
  • Sitefinity Certified Developer, ASP.NET Developer, HTML and CSS

    I'm an individual Web Developer with an extensive working experience, with more than 5000 hours on Elance and Odesk, a lot of satisfied customer. Some skills are: ASP.NET, SITEFINITY CMS, XHTML, CSS, C#, VB.NET, etc... I have … more

    I'm an individual Web Developer with an extensive working experience, with more than 5000 hours on Elance and Odesk, a lot of satisfied customer. Some skills are: ASP.NET, SITEFINITY CMS, XHTML, CSS, C#, VB.NET, etc... I have finished Faculty of computer science - Informatics in Novi Sad, Serbia. Creating user friendly, clean & simple web site.  less

    sitefinity asp.net mysql c# wcf xhtml psd-to-xhtml mailchimp xml linq html5 css3 00 more less
    • $33.33 HOURLY RATE
    • 4.9
    • 1210 HOURS
    • SERBIA
    • LAST ACTIVE
    • 12 PORTFOLIO ITEMS
    • 1 TEST
  • Web-designer/programmer.

    I'm a Web Developer with more than 4 years of well rounded experience. My skills include HTML, CSS, PHP, mySQL Development and Graphic Design. I also have experience with SEO. I possess excellent communication skills and can liaise effectively … more

    I'm a Web Developer with more than 4 years of well rounded experience. My skills include HTML, CSS, PHP, mySQL Development and Graphic Design. I also have experience with SEO. I possess excellent communication skills and can liaise effectively with both clients and work colleagues. Other strong points include an ability to work as part of a team or individually, multi-task, prioritize and work to deadlines under pressure.  less

    web-design php mysql wordpress twitter-bootstrap html5 css3 psd-to-html javascript jquery 00 more less
    • $11.11 HOURLY RATE
    • 5.0
    • 10 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 3 PORTFOLIO ITEMS
    • 6 TESTS
  • Office automation and Excel guru

    I`m a young executive in a successful financial services company. My success stems from an unique ability to marry bussiness objectives and requirements with the latest technologies. Working for one company has it`s limitations and I would like … more

    I`m a young executive in a successful financial services company. My success stems from an unique ability to marry bussiness objectives and requirements with the latest technologies. Working for one company has it`s limitations and I would like more exposure to a wider varietry of problems. I`m an Excel guru and combined with my programming skills in VBA I'm able to achieve solutions otherwise deemed impossible.  less

    r sql microsoft-excel vba statistical-computing analytics predictive-analytics 00 more less
    • $22.22 HOURLY RATE
    • 4.4
    • 11 HOURS
    • SOUTH AFRICA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 5 TESTS
  • Epicor Certified Consultant

    Experienced Epicor 9 & iScala 2.3 ERP Application with 5+ years of IT Consultancy and comprehensive experience on Analysis & Design, customizations, data importation, documentation, production support, end user training and interaction with all levels of management and staff. Experienced on … more

    Experienced Epicor 9 & iScala 2.3 ERP Application with 5+ years of IT Consultancy and comprehensive experience on Analysis & Design, customizations, data importation, documentation, production support, end user training and interaction with all levels of management and staff. Experienced on Finance Modules (like General Ledger GL, Account Payables AP, Account Receivables AR); Supply Chain Modules ( like Purchasing PO, Stock Control SC, Order Management OM, Material Production Control MPC). Completed 3 Full Cycle Epicor iScala implementation projects with different activities. Experienced DBA Microsoft SQL Server, Crystal Report, iScala VBA Platform. Expertise in Following Tools / Softwares. EPICOR ERPs ( Epicor 9, Vantge / iScala 2.3 SR 1 ) , ORION MS SQL Server , Oracle 11g , Microsoft Frx, Crystal Reports , Microsoft Reporting Services , ISQD , BAQ, Dashboard Reporting, PowerBuilder etc... Specialties: Sound grip on E9 Functionalities .. 1. BAQ / BAQ Crystal Reports 2. BPM, Service Connect 3. BAM 4. Quick Search 5. Customisation 6. Dashboard Reporting Epicor iScala 2.3, Scala 5.1, Epicor 9, Vantage, MS SQL Server, Oracle, Business Intelligence Reports, MS SSAS , ISQD , Microsoft Frx , VBA , XML ,Service Connect, UDDB, DDF Driven RPT Reports , Crystal Reports, BAQ, Dashboard Reporting, Microsoft Reporting Services ; Mobile No. : +971 567570993, Email : vijpanchal73@hotmail.com Skype / gtalk : vijpanchal73  less

    crystal-reports 00 more less
    • $66.67 HOURLY RATE
    • 5.0
    • 142 HOURS
    • UNITED ARAB EMIRATES
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 0 TESTS
  • Bulk Email Server | PowerMTA & IEM | SMTP SETUP| Linux Administration

    Over the last two years, I am experienced Systems Engineer with deep knowledge in Web Administration, Mail Servers Handling, High Availability, Database Administration and Optimization. Server performance optimization and security implementation. I am specialized in Mail Servers : Handling PMTA, Interspire … more

    Over the last two years, I am experienced Systems Engineer with deep knowledge in Web Administration, Mail Servers Handling, High Availability, Database Administration and Optimization. Server performance optimization and security implementation. I am specialized in Mail Servers : Handling PMTA, Interspire, Blacklisting, Feedback Loops, Increase opens, etc.... I have been designing infra our company, I am responsible for Email Delivery, and other factors like SPF, DKIM, DMARC, FBL, getting Open rates, SPAM Issues, Bounce Processing required for perfect email solution. List Management, Auto-responder, Email Deliver-ability expertise, mail server Back End Software. PowerMTA Administrator | Email Deliverability Expert ----------------------------------------------------------------------------- - Requirements analysis - IPs monitoring - DNS/Reverse records settings - SPF - DKIM - FBL - PowerMTA Configuration - Daily Performance reports - Daily Bounce processing - Advance Configuration and optimization. and so on.. Currently handling servers that sends 5+ millions emails per day.  less

    centos linux-system-administration sendmail email-technical-support interspire email-deliverability-consulting mail-server-implementation email-handling mysql database-administration 00 more less
    • $10.00 HOURLY RATE
    • 5.0
    • 16 HOURS
    • INDIA
    • LAST ACTIVE
    • 4 PORTFOLIO ITEMS
    • 4 TESTS
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