Network & System Administrators

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  1. Alexander Efremov

    Alexander Efremov Agency Contractor

    Senior SharePoint Architect with InfoPath skills

    Russia - Last active: 3 days ago - Tests: 1 - Portfolio: 3

    My career began when there was only SharePoint 2003 and then I've achived experience with all the wide variety of SharePoint versions including SharePoint 2013. I worked in a medium telecommunication company for 6 years and had experience with administration, development and integration of SharePoint, Server and client Office products, Enterprise Content Management systems, Business modelling software and Windows Server as well. Also I use to manage small development team in order to response to business needs and produce enterprise solutions. Right now I am CEO of startup company where we develop our own project LangPrism. Mashable marked our project as one of the hottest Russian startups (http://mashable.com/2013/11/14/russia-startups). Also I have certified expertise in fields of MS SQL, PowerShell and Windows Server.

    Associated with: Prism Development

    $27.78 /hr
    92 hours
    5.00
  2. Dafu Zheng

    Dafu Zheng Agency Contractor

    iOS/Android developer (Xamarin expert)

    China - Last active: 27 days ago - Tests: 5 - Portfolio: 14

    I have 7 years experience in mobile app development.  Always focus on the quality of product and client's satisfaction. My solid experience provides development process smoothly, fast and with high quality thus the apps are stable, scalable, transparent and user friendly. I am open to discuss any ideas in order to find out most appropriate way for implementing into real application. experienced parts ~iPhone/iPad app development (Swift with iOS 8 , iOS 6.0 and 7.0) ~Android app development (JNI, NDK) ~Xamarin (MvvmCross, Xamarin.Forms) ~Social network integration(Facebook, Twitter, LinkedIn, Tumblr, etc) ~Push notification, Local notification, Events, UrbanAirship ~Web service integration (SOAP, REST, JSON, XML, XMLRPC), RSS, RestKit, AFNetworking, Socket.IO ~Web server management(Amazon S3, Godaddy, 1and1 etc) ~CoreAudio , CoreAnimation, Audio/Video streaming ~Bluetooth LE, NFC(Android), iBeacon(iOS). ~InAppPurchase, Paypal, E-commerce implementation. ~Image processing, face detection, OpenCV, Augment Reality. ~Bar code, QR code, ZBar reader and generator. ~Ad network integration, iAD, RevMob, Google AdMob, TapJoy, Chartboost, AdColony ~Git, SVN, TestFlight, JIRA ~Publishing apps to App Store. Firm foundation as a developer. - Fluent English skill. - C, C++ experience. - Data Structure and Algorithm basic. - Mathematics and Arithmetic basic. - DBMS management experience. (MySQL, Oracle, MSSQL etc) - Linux Kernel Analysis. - Embedded OS, Firmware development. I have all necessary devices for developing and testing, and you can be sure at your mobile apps quality.

    Associated with: Integrated Developers

    $43.00 /hr
    1,231 hours
    5.00
  3. Scott G.

    Scott G. Agency Contractor

    Experienced Architect & Sr. Software Engineer

    United States - Last active: 5 days ago - Tests: 2 - Portfolio: 2

    I have experience designing and building enterprise systems and small single computer systems in healthcare, the utility industry and inventory management working with international Fortune 500 companies and small start-up businesses. The size of your organization does not matter to me as much as finding the right solution for your organization. My experience allows me to work the business analysis and solution development, to the technical architecture of the solution to the actual implementation of the design as web services, web applications, desktop applications and/or integrated databases. I have experience with the following technologies: SQL, SSRS, SSAS, C#, VB.NET, ASP.NET, WCF, WPF, UML, and WVC.

    Associated with: Sound Power Solutions

    $57.50 /hr
    207 hours
    5.00
  4. Leonel S.

    Leonel S. Agency Contractor

    Oracle Java Certified Developer / AngularJS Samurai

    Guatemala - Last active: 26 days ago - Tests: 9 - Portfolio: 5

    I am a Talented developer with more than 3 years of experience in web development who can and always meet deadlines. 1. Strong knowledge of Java SE and JEE stacks, from early versions 1.x up to latest version SE 7 and JEE 6. 2. Familiarity with RESTful architeure, REST API desgin and implementation, REST programming for both client and sever side( via Spring MVC and JAXRS), Single page application, AnguarJS 3. Experience of agile methodology(XP, BDD) and Scrum. 4. Experience of cloud service, OpenShift, Heroku, Amazon AWS, Google AppEngine, etc. 5. Familiarity with *nix based OS. Github: https://github.com/lsamayoa

    Associated with: Go Bliip

    $33.33 /hr
    836 hours
    5.00
  5. Mal B.

    Mal B. Agency Contractor

    Business Development

    Australia - Last active: 1 month ago - Tests: 1 - Portfolio: 5

    Consultative sales professional and skilled leader with the ability to motivate staff and recognized for the ability to professional guide and coach the professional development of others in order to fuel high performance teams. Proven expertise in establishing long term international business relationships, as evidenced, by launching business in Japan, China, Asia Pacific and India increasing Company Managed Service Sales by 338%. Evangelist of innovative solutions as proven in the Health Industry to increase revenues and profitability and demonstrated cost management models. Tenacious, committed and a consultative customer business partner with excellent service, operations and business development experience

    Associated with: My-O-Staff Pty Ltd

    $55.56 /hr
    525 hours
    5.00
  6. Diego Woitasen

    Diego Woitasen Agency Contractor

    DevOps, OpenStack, Linux and Open Source

    Argentina - Last active: 5 days ago - Tests: 5 - Portfolio: 2

    I’m an engineer focused on: DevOps Engineering OpenStack Linux and Open Source. I have more than 10 years of experience working with Linux and Open Source, providing solutions for small, medium and big companies. My specialties are: * Automation, Orchestration: Chef, Saltstack, Puppet. * Cloud and virtualization solutions: OpenStack, AWS, RackSpace, Digital Ocean. * Coding: Python, Ruby, C, C++, PHP, Perl * High Availability. * Load Balance. * Scalability. * Network services, I love challenges, new environments and help to my clients to make their life easier. Get more information about me here: http://www.woitasen.com.ar

    Associated with: flugel.it

    $55.56 /hr
    1,652 hours
    4.85
  7. Muhammad salman Y.

    Muhammad salman Y. Agency Contractor

    Remote IT-computer, technical-support,server-administration, VMWare

    Pakistan - Last active: 15 hours ago - Tests: 9 - Portfolio: 4

    I'm a highly motivated problem solver with several good years of experience. I am Microsoft certified, currently holding the MCP and preparing to take the MCSE exams. Previous work: Responded to incoming technical support calls for ~30 mid to large sized companies. Managed a fixed schedule while taking incoming support requests. Provided troubleshooting on Win 2003, Win 2008 and Win 2012 Servers running Citrix, VMware, ADFS, O365, Exchange, Windows Terminal Services, All versions Windows OS and Mac Workstations. Experience in migrating Exchange to O365, handled Cutover and Hybrid migrations. Network troubleshooting on Cisco, SonicWALL, and Cyber configurations and VPNs. Worked with Microsoft Partner Support and many of the largest IT hardware/software vendors. Utilized Autotask and Connectwise ticketing system.

    Associated with: Mustafa Techs

    $22.22 /hr
    2,425 hours
    5.00
  8. Anatoly Yuzefovich

    Anatoly Yuzefovich Agency Contractor

    Linux/FreeBSD/Administrator/Perl/Web-programing

    Russia - Last active: 15 hours ago - Tests: 1

    I'm skilled Nix-administrator and perl programmer with 10-year old experience. Administration: Linux, FreeBSD. Services ftp(proftpd,vsftpd,pure-ftpd), http(apache,nginx,lighttpd),dns,email,mysql and other services. Networking: Cisco systems devices (routing & switching). Network architecture. NAS/SAN: IBM, HP, NetAPP and work with Blade Systems (IBM, HP) VmWare vSphere virtualization. Perl programming: Web-programming - DBIx, dancer, plack, CGI, templates, OOP.

    Associated with: Coderunes

    $22.22 /hr
    234 hours
    5.00
  9. Karen Yessayan

    Karen Yessayan Agency Contractor

    Cisco Network Engineer

    Armenia - Last active: 15 hours ago - Tests: 3 - Portfolio: 3

    Over the last 5 years, I have deployed a wide ISP network all over the Armenia, working as a network engineer in three different companies. The network includes Optical Fiber, WiFi, and copper cable connections. I'm holding an industrial CCNA and CCNP R&S certificates. I'm seeking opportunities to audit, build, configure or maintain a network for you or your business. I have experience in the following areas: Routing and Switching, Network Security, VoIP, VPN, Firewalls. I've worked with different vendors including Cisco, Sonicwall, Fortinet and Mikrotik.

    Associated with: Apricot Solutions

    $27.78 /hr
    554 hours
    4.98
  10. Tarun M.

    Tarun M. Agency Contractor

    Windows and Linux Server Support, Server / Web-Site Migration.. Etc...

    India - Last active: 1 day ago - Tests: 8 - Portfolio: 3

    I am working as Server Support Admin and Project Manager for past 10+ years, Work with many clients from different domains such as - Support, Marketing, Automobile, Manufacturing, Online Marking, etc... As Server Admin : 1. Server Setup - Windows Or Linux 2. Configure Server as Web-Server 3. Configure Control Panel Such as Plesk, cPanel, ISP, DirectAdmin, Webmin, zPanel, etc. 4. Configure PHP, MySQL, .Net, MSSQL, etc on server 5. Provide support to end clients on all there requirements. As Project Manager : 1. Manage a team of Designer 2. Manage a team of Developer 3. Working on ASP, .Net, WordPress, CI, Zend, CakePHP, MySQL, MSSQL, Joomla and other technology. 4. Working on Bug Fixing projects also.

    Associated with: Acentria Technologies Private Limited Agency

    $12.00 /hr
    1,210 hours
    4.95