Server Administrators & Developers

Showing 31,775 freelancers

Server Administrators & Developers

Showing 31,775 freelancers

  • Perl hacker and Voip Expert

    I have more than 6 years working experience of voip industry. i am proficient in Asterisk, Freeswitch, Kamailio,Fusionpbx, A2Billing, Freepbx,Freeside and Linux Administrator. And i have planned and built dozen multi-tenant carrier pbx. i have been always supporting … more

    I have more than 6 years working experience of voip industry. i am proficient in Asterisk, Freeswitch, Kamailio,Fusionpbx, A2Billing, Freepbx,Freeside and Linux Administrator. And i have planned and built dozen multi-tenant carrier pbx. i have been always supporting two muti-tenant carrier pbx systems based thirdlane and FusionPBX which both have more than 500 concurrent calls and 3000 registrations extensions. I am able to coding with C/C++, Perl, PHP, shell, sql and other programming language. I am steady, honest and hard-working. I am fond of innovation and pursuiting new techonologies. click here to know me more: https://click.2-call.me/apa1  less

    asterisk a2billing freeswitch perl linux-system-administration c++ 00 more less
    • $27.78 HOURLY RATE
    • 4.7
    • 2192 HOURS
    • CHINA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 5 TESTS
  • Windows Systems Engineer | Exchange | SharePoint | AD

    Systems engineer with 8 years of experience managing server infrastructures and data-center operations across Microsoft platforms. Skills: - MS Windows Server 2003 /…/ 2012R2 – Active Directory, ISA, IIS, WSUS - MS Exchange 2007/2010/2013 - SharePoint 2007/2010/2013, SharePoint Designer 2007/2010 … more

    Systems engineer with 8 years of experience managing server infrastructures and data-center operations across Microsoft platforms. Skills: - MS Windows Server 2003 /…/ 2012R2 – Active Directory, ISA, IIS, WSUS - MS Exchange 2007/2010/2013 - SharePoint 2007/2010/2013, SharePoint Designer 2007/2010, InfoPath - Office 365 - PowerShell, VBSscript - Symantec Backup Exec 2010 - McAfee DLP, Trend Micro OfficeScan, Trend Micro Mobile Security, Symantec Endpoint Protection - IBM Blade Center, Flex Systems, X series - Virtualization: Hyper-V; Vmware (ESXi, vSphere)  less

    windows-administration microsoft-exchange-server microsoft-sharepoint-administration sharepoint-designer nagios microsoft-small-business-server-administration microsoft-hyper-v ms-office-365 microsoft-windows-powershell microsoft-server 00 more less
    • $18.89 HOURLY RATE
    • 4.9
    • 57 HOURS
    • POLAND
    • LAST ACTIVE
    • 3 PORTFOLIO ITEMS
    • 2 TESTS
  • System administrator, Software developer, DevOps, DB Admin

    Continuously upgrading my knowledge and experience on many IT fields. My major expert areas: Cloud computing : AWS, Rackspace, Hostgator. Auto scaling, Optimizing, Minimizing costs, Monitoring Operating Systems : All Windows and Linux operating systems. TCP/IP networking, advanced routing, firewall, vpn, iptables... Development : Java, C#, Delphi, Shell scripts Databases: MySQL, PostrgeSQL, MsSQL, Oracle, MongoDB, Sqlite

    mysql linux-system-administration c# java apache-administration delphi nginx network-administration data-scraping sap windows-xp-administration database-administration xml database-modeling database-management database-programming c++ microsoft-visual-studio cpanel plesk apache-tomcat varnish-cache centos ubuntu fedora amazon-web-services amazon-ec2 unix-shell amazon-s3 atlassian-confluence ldap haproxy amazon-rds rightscale 00 more less
    • $26.00 HOURLY RATE
    • 4.9
    • 5532 HOURS
    • MACEDONIA
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 21 TESTS
    GROUPS:
  • Linux,Windows,System Admin, cPanel/WHM,Plesk Expert, Nginx,Apache,AWS

    Working as a System Administrator for webhosting clients and undertaking system administration work in Linux and Windows servers. Experience in Linux / Windows server administration. Expert in LAMP Administration DNS management (Registrar end and Hosting end), Mail Services (Postfix, Qmail, Exim … more

    Working as a System Administrator for webhosting clients and undertaking system administration work in Linux and Windows servers. Experience in Linux / Windows server administration. Expert in LAMP Administration DNS management (Registrar end and Hosting end), Mail Services (Postfix, Qmail, Exim, Mail enable), Advanced knowledge and experience in handling Plesk and cPanel . Experience in server migration Virtualization ( Parallels Virtuozzo/openVZ) Expert in Perl and Bash scripting.  less

    apache-administration linux-system-administration windows-administration cpanel plesk iis nginx postfix wordpress amazon-web-services 00 more less
    • $7.00 HOURLY RATE
    • 5.0
    • 60 HOURS
    • INDIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 3 TESTS
  • .Net/Java Developer | IT PRO

    High skilled developer in wide range of technologies which allow to build full and the best solution depending on customer requirements. Oriented for long-term cooperation for projects from scratch/"have only specifications" stages. Have abilities to build a team with … more

    High skilled developer in wide range of technologies which allow to build full and the best solution depending on customer requirements. Oriented for long-term cooperation for projects from scratch/"have only specifications" stages. Have abilities to build a team with up to 3 senior/middle developers during a few hours. Experience includes : -- Back-end: - Java / Java EE, JCF, Multithreading, JDBC, JSP, Hibernate - .Net / C#, ADO.NET/Entity Framework, ASP.NET MVC, RESTful API - Grails / Groovy -- Front-end: HTML, CSS, JavaScript/JQuery -- Hosting: Windows Azure, GlassFish. IIS, Tomcat -- Additional background : - Server technologies / AD DS, DNS, Hyper-V, IIS, DHCP, VPN, PowerShell. - Computer science, Artificial Neural Networks, common math and physics.  less

    c# asp.net-mvc ado.net windows-azure java windows-administration virtualization powershell artificial-neural-networks network-administration 00 more less
    • $20.00 HOURLY RATE
    • 4.9
    • 34 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 3 PORTFOLIO ITEMS
    • 5 TESTS
  • Linux Server Administrator (cPanel/WHM)

    I am a cPanel/WHM server expert with the following knowledge and experience. cPanel Setup and it's administration. Administration of Linux servers. Ticketing and handling client chat Mail Server Administration Exim, Qmail, Postfix. MySQL Data Base Administration. Security updates … more

    I am a cPanel/WHM server expert with the following knowledge and experience. cPanel Setup and it's administration. Administration of Linux servers. Ticketing and handling client chat Mail Server Administration Exim, Qmail, Postfix. MySQL Data Base Administration. Security updates and application software installation. Implementing security mechanisms and Spam removal. Nginx Installation and Configuration Installation of Softaclous & Fantastico CSF, and IP tables configuration and management. Backup and Restore of hosting accounts. Name server Management and Domain name registration. Blog Administration of clients Bash Shell scripting and perl scripting. Professional Qualifications. B.Tech Computer Science and Engineering Certifications: RedHat Certified Engineer(RHCE) L1: cPanel Base Certification: Technical L1: cPanel Base Certification: Sales Thank you.  less

    linux-system-administration cpanel whm bash-shell-scripting wordpress security phpmyadmin openvz network-administration plesk 00 more less
    • $11.11 HOURLY RATE
    • 4.8
    • 395 HOURS
    • INDIA
    • LAST ACTIVE
    • 6 PORTFOLIO ITEMS
    • 4 TESTS
  • Senior Java Developer

    I'm a Senior developer with more than 5 experience years on enterprise-grade development. My strongest skill is Java. I have worked with many Java framework from web to database. - Web: Play framework, Tapestry framework, Struts, Spring MVC. - Database: Hibernate … more

    I'm a Senior developer with more than 5 experience years on enterprise-grade development. My strongest skill is Java. I have worked with many Java framework from web to database. - Web: Play framework, Tapestry framework, Struts, Spring MVC. - Database: Hibernate (MySQL), Hector (Cassandra), Morphia (Mongo), Redis - Cache: Hazelcast, MemCache. - Search: Elastic search, Apache Lucene - API: Resteasy, Jersey - Beside them, I usually work with: Linux, Jetty, Tomcat, JBoss, Nginx, Amazon EC2, Amazon S3, Amazon CDN, OAuth, Restful API, Web service, Json processing (org.json, jackson) - And have worked with (administration and query ) both database SQL (MSSQL, MySQL, ...) and NoSQL (Cassandra, Mongo, Redis …). About another language, I can code with Nodejs well. I already build project with Nodejs, express and MongoDB. I'm looking for long-time contract, in challenge/interesting project, get exciting experiences to archive my dream: To become an excellent software architect. I will try my best to perform projects, meet all requirements and believe on making customers satisfied.  less

    java hibernate spring-framework api-development play-framework mongodb node.js nosql oauth amazon-ec2 00 more less
    • $11.11 HOURLY RATE
    • 4.4
    • 149 HOURS
    • VIETNAM
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 2 TESTS
  • Toufique Imam - System admin & Web developer

    Past few years I have developed several websites and webapps (including facebook apps) in ruby on rails.I love to build plain static (html/css) sites too. I am not a good web designer. So I don't do any … more

    Past few years I have developed several websites and webapps (including facebook apps) in ruby on rails.I love to build plain static (html/css) sites too. I am not a good web designer. So I don't do any work which is related to graphics design. I am experienced in maintaining linux systems including nginx and apache web server, ftp server, ssh server, rsync etc *nix tools. Right now I am a programmer of Web developer company named Artvision Solutions.  less

    html ruby-on-rails linux-system-administration mac-os-app-development 00 more less
    • $16.67 HOURLY RATE
    • 4.9
    • 92 HOURS
    • BANGLADESH
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 9 TESTS
  • Experienced Windows Linux, Unix, Citrix, ESXi, Network Administrator

    Windows, Unix and Linux servers. Managing OS33 Cloud server, AWS, Deploying VDI, ESXi, Xenserver, Xenapp, XenDesktop, Avaya CallManager. Cisco, Netgear, HP Procurve, Fortinet, Watchguard, Sonicwall, Barracuda, Juniper Switch, Router, NSA configuration. I'm in Tampa, Florida. Available to work from … more

    Windows, Unix and Linux servers. Managing OS33 Cloud server, AWS, Deploying VDI, ESXi, Xenserver, Xenapp, XenDesktop, Avaya CallManager. Cisco, Netgear, HP Procurve, Fortinet, Watchguard, Sonicwall, Barracuda, Juniper Switch, Router, NSA configuration. I'm in Tampa, Florida. Available to work from 8:00AM - 6:00PM Eastern time. If necessary feel free to call me at +1-813-598-6727  less

    linux-system-administration unix-system-administration qmail lotus-notes nagios vmware-administration adobe-photoshop adobe-illustrator technical-documentation technical-support windows-administration pfsense squid vmware-esx postfix citrix-xenserver citrix-netscaler 00 more less
    • $25.00 HOURLY RATE
    • 5.0
    • 5518 HOURS
    • BANGLADESH
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 11 TESTS
  • Exchange Server, Active Directory, Lync, O365, VMware

    Over the last 11 years, I am closely involved in designing, building and support Microsoft Product e.g. Exchange 2000 to 2013 mail solutions, Lync 2010 & 2013, Windows 2003 to 2012 and O365 migration for start-up companies and small businesses … more

    Over the last 11 years, I am closely involved in designing, building and support Microsoft Product e.g. Exchange 2000 to 2013 mail solutions, Lync 2010 & 2013, Windows 2003 to 2012 and O365 migration for start-up companies and small businesses. My core competency lies in complete end-end management of a new Messaging project and I am seeking opportunities to Creating a solution conform the expectations of the customer, writing down in a proposal and presenting this to the client. Generating the technical design in detail and to build and Migrate the mail solutions and perform the necessary knowledge transfers from the ground up for the business. I also have some experience in the following areas: Domain Migration, HyperV, Vmware/esx, design, build and support.  less

    microsoft-exchange-server blackberry-app-development data-backup microsoft-lync-server domain-migration active-directory dns dhcp microsoft-windows-server 00 more less
    • $33.33 HOURLY RATE
    • 5.0
    • 36 HOURS
    • INDIA
    • LAST ACTIVE
    • 13 PORTFOLIO ITEMS
    • 10 TESTS
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