Network Administrators & Consultants

Showing 742 freelancers

Network Administrators & Consultants

Showing 742 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
  • IT System Architect / BigData / Virtualization / Deployment

    I'm expert to scale you business and reduce your costs.. part of my skills: * Big Data (hadoop, cassandra, mesos, spark) * IaaS administration (EC2, Rackspace, Openstack) * web applications profiling, load balancing, high availability (corosync, pacemaker, drbd, gfs, ocfs) * virtualization (kvm … more

    I'm expert to scale you business and reduce your costs.. part of my skills: * Big Data (hadoop, cassandra, mesos, spark) * IaaS administration (EC2, Rackspace, Openstack) * web applications profiling, load balancing, high availability (corosync, pacemaker, drbd, gfs, ocfs) * virtualization (kvm, xen, vmware, virtualbox) * deployment systems like puppet, chef, fabric * web servers (apache, varnish, NGINX) * mail servers (postfix, exim) * database servers (postgres, mysql, db2) * dns (bind, powerdns) * ldap (openid for all services) * tomcat, jboss, jetty * jabber (ejabberd, openfire) * ftp (pureftp, proftpd) * monitoring (nagios, munin, graphite, cacti) * networking (routers, firewalls, switches) * development services (subversion, jira, otrs, archiva, hudson and others)  less

    linux-system-administration puppet-administration nginx postgresql varnish-cache dns postfix ldap mysql unix-system-administration apache-tomcat amazon-web-services amazon-ec2 haproxy python virtualization 00 more less
    • $33.33 HOURLY RATE
    • 5.0
    • 1886 HOURS
    • POLAND
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 0 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
  • DataEntryClerk,WebResearcher,VA,DataAnalyst,PersonalAssistant...

    Over a year of experience working in oDesk, I have developed a wide range of handling software issues that arise when importing data, along with prioritizing publication and distribution of data reports. Therefore, I wish to work more in many … more

    Over a year of experience working in oDesk, I have developed a wide range of handling software issues that arise when importing data, along with prioritizing publication and distribution of data reports. Therefore, I wish to work more in many different prestigious companies, to magnify my abilities, to indicate my creative progress in the field of data entry, web research, and more to generate enthusiasm in my work resulting in great success.  less

    internet-research data-entry email-handling data-analysis internet-marketing virtual-assistant market-research wordpress microsoft-excel social-media-marketing 00 more less
    • $3.00 HOURLY RATE
    • 4.9
    • 5801 HOURS
    • PHILIPPINES
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 8 TESTS
  • Labtech Certified,Kaseya,Connectwise, Autotask, MSP Consultant, NOC

    Work with MSP's to be their One Point Solution for all the Services required and to enable them provide efficient and cost effective monitoring and management Services to their clients. Knowledgeable, professional and excellent communications that should help every … more

    Work with MSP's to be their One Point Solution for all the Services required and to enable them provide efficient and cost effective monitoring and management Services to their clients. Knowledgeable, professional and excellent communications that should help every IT Service provider achieve his goals with seamless services provided by me.  less

    technical-support itil project-management 00 more less
    • $33.33 HOURLY RATE
    • 4.6
    • 1975 HOURS
    • INDIA
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 8 TESTS
    ASSOCIATED WITH:
  • Wordpress Magento Joomla PHP Responsive Design

    Hi everybody! I'm in the search of projects and long term relationship with serious clients, I'm pretty sure I can help you out in your project always giving my best effort, I think I'm very good in … more

    Hi everybody! I'm in the search of projects and long term relationship with serious clients, I'm pretty sure I can help you out in your project always giving my best effort, I think I'm very good in what I do because I love what I do, you should see that by yourself. I have more than 5 years developing software and web sites, I designed several web sites using XHTML, DHTML (Dynamic websites), HTML5, CSS2, CSS3, Jquery, Javascript, Ajax, Mootools, Photoshop, Grid Frameworks, PHP, MYSQL, some CMS as Joomla, Drupal, Wordpress, and others technologies. I'm very reliable, communicative, responsible, I always report the status of my tasks periodically or daily so you won't be worried about your project. I like to work in new challenges always learning new technologies and improving my existing ones. I invite you to see my capabilities on an interview and show you my work efficiently, quickly, and smartly.  less

    magento php psd-to-html redis jquery joomla drupal wordpress css3 xhtml 00 more less
    • $12.00 HOURLY RATE
    • 5.0
    • 1429 HOURS
    • BOLIVIA
    • LAST ACTIVE
    • 9 PORTFOLIO ITEMS
    • 6 TESTS
    GROUPS:
    ASSOCIATED WITH:
  • DevOps Engineer/ System Architect / Senior System Administrator

    Hello I'm highly experienced, certified engineer ( RHEL cert, Novel cert, MCSA, LPI 3, OpenText ) DevOps engineer with more than 10 years of experience in wide range of projects. Chief of system administrator team in software development company. Freelancer with … more

    Hello I'm highly experienced, certified engineer ( RHEL cert, Novel cert, MCSA, LPI 3, OpenText ) DevOps engineer with more than 10 years of experience in wide range of projects. Chief of system administrator team in software development company. Freelancer with more then 4 years in oDesk and "five star" rating. Full range of sysadmin support, system architect, security audit, PCI compliance, consulting, automation, DevOps best practices. If you have any project required professional system administration or DevOPS - I could be the one who you are looking for :) http://www.lxpert.info  less

    linux-system-administration asterisk lamp-administration pci-compliance freepbx devops system-automation continuous-integration security amazon-ec2 00 more less
    • $40.00 HOURLY RATE
    • 5.0
    • 5775 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 9 TESTS
    GROUPS:
    ASSOCIATED WITH:
  • RoR/Rails/Phonegap/Wordpress/Magento/Phyton/Opencart Senior Developer

    Always trying to identify the best path to take and always put efficiency vs. time and costs. I would like to exceed my clients' expectations and show them all my skills that make me now a PHP expert Developer. I … more

    Always trying to identify the best path to take and always put efficiency vs. time and costs. I would like to exceed my clients' expectations and show them all my skills that make me now a PHP expert Developer. I love new challenges and challenging projects. I learn new technologies quickly and have developed several sites using PHP, MySql, Javascript, Ajax and JQuery. I can develop custom CMS using different platforms. I manage to work with MVC frameworks as well as Phonegap and Ruby on Rails. Thank you for reading this brief overview about me, you are more than welcome to invite me for a meeting to talk about your project.  less

    php html css javascript wordpress ajax magento ruby-on-rails phonegap opencart 00 more less
    • $16.50 HOURLY RATE
    • 4.6
    • 3285 HOURS
    • BOLIVIA
    • LAST ACTIVE
    • 3 PORTFOLIO ITEMS
    • 3 TESTS
    ASSOCIATED WITH:
  • Labtech Administrator

    I am a engineering graduate in electronics and am working as Labtech administrator with Technospecs since 2012. I have fair understanding of the following technologies: - Labtech - Connectwise - Windows Active Directory - Windows powershell - Exchange 2010 and 2013 - Shadowprotect from storagecraft - ESET … more

    I am a engineering graduate in electronics and am working as Labtech administrator with Technospecs since 2012. I have fair understanding of the following technologies: - Labtech - Connectwise - Windows Active Directory - Windows powershell - Exchange 2010 and 2013 - Shadowprotect from storagecraft - ESET - Vipre - VMWare basic ESXi management using Vsphere I am currently available to work on any assignment that requires L1 and L2 skills and have my availability throughout the US afterhours.  less

    windows-administration microsoft-small-business-server-administration microsoft-active-directory data-backup firewalls ad-servers 00 more less
    • $15.00 HOURLY RATE
    • 5.0
    • 1605 HOURS
    • INDIA
    • LAST ACTIVE
    • 3 PORTFOLIO ITEMS
    • 3 TESTS
    ASSOCIATED WITH:
  • Oracle 10g &11g database/ SQL Server/ ASP.net C#,VB/Caspio/CISSP

    With extensive experience to work with several technically state-of the art projects designed/customized with appropriate software design patterns focused on banking/ Home Loan Industry, I want to explore my career in this field of Information Technology with a specific goal to be part of top management

    oracle-reports oracle-pl/sql oracle-forms sql oracle-database microsoft-exchange-server asp.net microsoft-visual-studio database-management database-programming database-administration internet-research database-design data-entry data-warehousing network-administration 00 more less
    • $10.33 HOURLY RATE
    • 4.9
    • 1400 HOURS
    • BANGLADESH
    • LAST ACTIVE
    • 5 PORTFOLIO ITEMS
    • 12 TESTS
    GROUPS:
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