Other - Networking & Information Systems Professionals

Showing 34,069 freelancers

Other - Networking & Information Systems Professionals

Showing 34,069 freelancers

  • OpenX, JIRA Expert and Systems Engineer

    A highly efficient, methodical and talented IT professional having considerable experience of developing, implementing and managing networks, data centres, servers and virtual servers. Possessing a broad range of developed skills gained through establishing full IT projects, networks and infrastructures, website … more

    A highly efficient, methodical and talented IT professional having considerable experience of developing, implementing and managing networks, data centres, servers and virtual servers. Possessing a broad range of developed skills gained through establishing full IT projects, networks and infrastructures, website design and development from initial conception to completion, including customer liaison, design, testing and successful implementation within budget, scope, timescales and process limitations in a customer focused, multi-site business environment. Extensive LAN/ WAN/ Hardware/ Software experience. Pro-active approach to working cross-functionally, maintaining the delivery of I.T. services and technology projects. I have extensive experience particularly in OpenX (Revive Adserver), AWS, JIRA and Server Administration.  less

    openx vmware-esx network-administration scrum atlassian-jira 00 more less
    • $22.22 HOURLY RATE
    • 5.0
    • 1193 HOURS
    • PAKISTAN
    • LAST ACTIVE
    • 4 PORTFOLIO ITEMS
    • 4 TESTS
    GROUPS:
  • US-Based Microsoft and Citrix Systems Engineer

    I've been administering Microsoft-centric server infrastructure for the last 7 years, and have in-depth experience with design, deployment, repair and support of all Citrix, VMWare, RES, and many Microsoft technologies. My experiences range from server administration roles, specialized application … more

    I've been administering Microsoft-centric server infrastructure for the last 7 years, and have in-depth experience with design, deployment, repair and support of all Citrix, VMWare, RES, and many Microsoft technologies. My experiences range from server administration roles, specialized application support, desktop support, virtualization implementation and administration to advanced networking jobs. For the last three years I've also been working with Virtualization Consulting firms to design, build and support the following: -Citrix XenApp, XenDesktop, XenServer, NetScaler products -VMWare ESXi and View -RES Workspace Manager, Automation Manager, Orchestration/IT Store -Microsoft RDS, Server 2003-2012R2, Hyper-V I am confident I'll be a great asset to your project or organization, and look forward to working with you!  less

    citrix-xenserver windows-administration vmware-esx microsoft-hyper-v-server 00 more less
    • $83.33 HOURLY RATE
    • 4.9
    • 466 HOURS
    • UNITED STATES
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 4 TESTS
  • Technology Jack of All Trades

    Hi, my name is Don Blake, I am US-BASED and have been in the IT field for 17 years. During that time I have been a Senior Solution Architect for some of the big name consulting companies Architecting and Configuring … more

    Hi, my name is Don Blake, I am US-BASED and have been in the IT field for 17 years. During that time I have been a Senior Solution Architect for some of the big name consulting companies Architecting and Configuring solutions around VMware (View, vCloud, Site Recovery Manager), Citrix (XenDesktop, XenApp, Netscaler, PVS) and Microsoft (Hyper-V, System Center Suite, Exchange, AD, Sharepoint, many more). I have worked for Big Enterprise size companies to small start up companies. My expertise is in the Virtualization arena with knowledge ranging from Storage to Microsoft products. I not only like to help clients design and troubleshoot any issues, but also like to teach them the ins and outs so they understand what is happening. I am also very big into documentation and communication. I want to make sure you are comfortable and have more information than you need. Look forward to working with you. Specialties: VMware vSphere Design and Architect VMWare vCloud Design and Architect Citrix Xenapp Design and Architect Citrix XenDesktop Design and Architect Citrix XenServer Design and Architect VMWare View Design and Architect Microsoft System Center Design and Architect Microsoft Hyper-V Design and Architect Quest vWorkspace Design and Architect Microsoft Technologies  less

    virtualization citrix-xenserver citrix-netscaler vmware-esx vmware-administration microsoft-hyper-v microsoft-sccm microsoft-small-business-server-administration disaster-recovery microsoft-exchange-server 00 more less
    • $57.50 HOURLY RATE
    • 5.0
    • 94 HOURS
    • UNITED STATES
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 3 TESTS
  • Computer Engineer - Python developper

    Computer Engineer, Master in Quantitative Finance and curruntly studing a master in Data Mining and Knowledge discovery. I've been developing backend software, tools and plugins to international companies for the last 10 years. I code in Python, Perl, Java … more

    Computer Engineer, Master in Quantitative Finance and curruntly studing a master in Data Mining and Knowledge discovery. I've been developing backend software, tools and plugins to international companies for the last 10 years. I code in Python, Perl, Java and C. All my developments run on Linux and Unix environment. I manage Linux servers, DB Engines, Tomcat/apaches servers and most well known Linux tools and services. For statistical analysis I work with R, SPSS and MatLab.  less

    python perl java c scrapy-framework linux-system-administration sql database-design r artificial-neural-networks 00 more less
    • $38.00 HOURLY RATE
    • 5.0
    • 1757 HOURS
    • ARGENTINA
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 5 TESTS
    GROUPS:
  • GNU/Linux Systems Administrator

    Self-motivated with more than 10 years of experience in GNU/Linux systems administration. Over the last five years, I have used Gentoo Linux as my primary desktop and created my own workspace environment that helps me to quickly and professionally … more

    Self-motivated with more than 10 years of experience in GNU/Linux systems administration. Over the last five years, I have used Gentoo Linux as my primary desktop and created my own workspace environment that helps me to quickly and professionally troubleshoot, setup and monitor various type of *nix servers. Essential skills and technologies: + HTTP Servers: Apache httpd, lighttpd, Nginx, LiteSpeed. + HTTP Accelerators/Proxy: Varnish, Squid, Ziproxy. + Troubleshooting: DebugFS, *Tracing, GDB, Valgrind, Perf. + AntiVirus/AntiSpam: ClamAV, Yara, SpamAssassin, Honeypots. + Monitoring: Zabbix, Monitorix, NTop, Nagios, Munin. + Server Control Panels: WHM/CPanel, Webmin, VestaCP, CWP, DirectAdmin. + Continuous integration: Jenkins, TeamCity, Buildbot. + Virtualization/Chrooting: VirtualBox, Cuckoo, LXC, systemd-nspawn... + Scripting: Bash, Perl, Lisp, Lua, Python. + DNS Authoritative/Recursive: BIND9, PowerDNS, Unbound, Dnsmasq. + Mail services: Exim, Dovecot, Postfix, Sendmail, Atmail, CommuniGate Pro. + Security: SELinux and Paranoia :-). I have worked with all of these technologies/tools and in some of them I'm contributor. -- Best Regards. Mindaugas N. <work@posix.lt>  less

    system-administration linux-system-administration embedded-linux whm cpanel lamp-administration network-security unix-system-administration redhat-administration apache-administration 00 more less
    • $15.00 HOURLY RATE
    • 4.8
    • 2 HOURS
    • LITHUANIA
    • LAST ACTIVE
    • 4 PORTFOLIO ITEMS
    • 11 TESTS
  • Senior Network Engineer

    I am a network administrator owning CCNA, CCNP an CCIE R&S Written certifications. I have experience in both Service Provider and Corporate environments.These are the Cisco platforms that I worked on : Nexus 7000,Cat 6500, Cat 4500, Cat … more

    I am a network administrator owning CCNA, CCNP an CCIE R&S Written certifications. I have experience in both Service Provider and Corporate environments.These are the Cisco platforms that I worked on : Nexus 7000,Cat 6500, Cat 4500, Cat 3750, Cat 3560, Cat 2960, 2600 and 2800 Routers, 2900 and 3900 ISR, ASA 5500. My professional goal is to obtain the full CCIE certification in less than 8 months. Regarding the infrastructures that I manage,my goal is to keep the network up and fully redundant. Also the network must be full secured from both inside and outside threats.  less

    bgp cisco-routers cisco-asa cisco-ios ospf itil cisco-voip network-administration network-planning network-security 00 more less
    • $27.78 HOURLY RATE
    • 4.6
    • 0 HOURS
    • ROMANIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 2 TESTS
  • Linux|Joomla|Wordpress

    - Linux administration (Apache, Nginx, MySQL, FTP, DHCP, DNS, Samba, Squid, OpenVPN, POP3, SMTP, IMAP). - Monitoring (Zabbix) - Hosting engines: WHM (cPanel), ISPmanager, Plesk, DirectAdmin, Vestapanel - Good knowledge of html,css. - remove viruses - migration from one server to another, from one domain to new - update Jommla,Wordpress to new version Expert in: wordpress, joomla.

    linux-system-administration network-administration amazon-web-services apache-administration zabbix cpanel joomla wordpress 00 more less
    • $11.11 HOURLY RATE
    • 4.9
    • 1 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 1 TEST
  • Microsoft Infraestructure Administrator (Exchange and Windows Server)

    Microsoft Exchange 2007/2010 & 2013 Versions Windows Server 2003/2008/2012 and its R2 versions Windows Azure Experience and IaaS good practice knowledge Server Services (Roles & Features) Experience Active Directory + GPO RPD Services Networking / Virtual Networking (Vmware/Hyper-V) TMG 2010 … more

    Microsoft Exchange 2007/2010 & 2013 Versions Windows Server 2003/2008/2012 and its R2 versions Windows Azure Experience and IaaS good practice knowledge Server Services (Roles & Features) Experience Active Directory + GPO RPD Services Networking / Virtual Networking (Vmware/Hyper-V) TMG 2010 / ISA SERVER 2004/2006 Scripting languagues (Windows Powershell ,DOS,VBS) Programming Languagues using C#/Vb.net (vacations form in Manapro, using VS2012 & InfoPath designer/report from disk on critical servers in HTML5) Basic Support to Unified Communications Sharepoint 2010/2013 (Implementation/Configuration) Technical support using Teamviewer & RDP Intermediate SQL Servers Advanced Excel Macros  less

    windows-administration microsoft-windows-powershell microsoft-exchange-server windows-azure microsoft-sharepoint-administration sharepoint-designer microsoft-sharepoint-development c# microsoft-sql-server-administration 00 more less
    • $22.22 HOURLY RATE
    • 5.0
    • 3 HOURS
    • MEXICO
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 7 TESTS
  • Windows System Administrator

    I am system administrator who specialize on Microsoft infrastructure with 5 years of experience in different environment. I have experience in deploying, configuring Windows Server from 2003-2012 R2. Also i have work with virtualization of server subsystem. Good knowledge of … more

    I am system administrator who specialize on Microsoft infrastructure with 5 years of experience in different environment. I have experience in deploying, configuring Windows Server from 2003-2012 R2. Also i have work with virtualization of server subsystem. Good knowledge of Windows Server environment (Windows Server 2003-2012 R2) Good knowledge of Microsoft desktop platforms (Windows 7,Windows 8) Good knowledge in configuring and troubleshooting services: -Active Directory -DNS -DHCP -RDS -WDS -WSUS Experience of work with backup systems (Symantec BackupExec) Experience of work with enterprise hardware (IBM BladeCenter H/S, IBM DS3400) Experience in virtualization (VMware Vcenter) Good knowledge on networking (TCP/IP, Mikrotik,D-Link)  less

    windows-administration vmware-administration network-administration microsoft-active-directory virtualization freebsd mikrotik-routeros vmware-esx 00 more less
    • $15.00 HOURLY RATE
    • 4.9
    • 1 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 7 TESTS
  • Penetration tester / Network Administrator

    Over the last 13 years i have worked as network administrator. Allways trying to improve my networking skills. I have implemented various solutions for the company i work in , like - Active Driectory - Exchange Server - Network Antivirus solutions - Wireless Networks. - Web … more

    Over the last 13 years i have worked as network administrator. Allways trying to improve my networking skills. I have implemented various solutions for the company i work in , like - Active Driectory - Exchange Server - Network Antivirus solutions - Wireless Networks. - Web Server - Internal / External DNS.... - Gateway - DFS-R File Server In the last 3 years i have oriented myself in the security / penetration testing area. I have achived 2 certifications in security : Offensive Security Wireless Proffesional , and Certified Ethical Hacker My site regarding penetration tests can be found at the following link: https://sites.google.com/site/be4hacked  less

    network-administration firewalls penetration-testing black-box-testing network-security wireless-security microsoft-active-directory microsoft-exchange-server windows-administration windows-7-administration 00 more less
    • $16.67 HOURLY RATE
    • 5.0
    • 0 HOURS
    • ROMANIA
    • LAST ACTIVE
    • 6 PORTFOLIO ITEMS
    • 9 TESTS
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