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WAN Upwork freelancers typically receive a client rating of 5.00.

5.00
Last updated: August 1, 2015

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  1. Jayson Cena

    Jayson Cena Agency Contractor

    Linux(Debian/Red Hat),Oracle DBA, Linux Cluster Admin,Virtualization-H

    Philippines - Last active: 07/21/2013 - Tests: 4

    To obtain a position that will enable me to experience and learn new ideas on system administration like complicated enterprise infrastructure design specially high-availability and fault-tolerant infrastructres. My core competency lies in designing new system infrastructure using open-source software. I also have some experience in VB6, ASP, PHP. http://clusterfoundry.com

    Associated with: ClusterFoundry Agency

    $26.67 /hr
    1,137 hours
    5.00
  2. Vladan Simic

    Vladan Simic

    System Engineer - MCSE, Desktop Support

    Serbia - Last active: 1 day ago - Tests: 8 - Portfolio: 9

    As a Microsoft Certified Systems Engineer, I provide IT administration and support. I'm experienced in troubleshooting common Windows problems, drivers, network issues, virus and malware removal, printers etc.

    Groups: Microsoft Certified Professionals

    $15.56 /hr
    7,472 hours
    5.00
  3. Eric Olson

    Eric Olson

    AWS Architect

    United States - Last active: 21 days ago - Tests: 8

    I have over 15 years of experience in technology. Anything from software development to servers, desktops or networks and everything in between. I have served in the United States Air Force and worked at government agencies as well as high tech companies across the globe. If it is configuring routers or switches. Working in the Cloud with Amazon, Rackspace Etc. Linux, Windows or anything in between then I am your man.

    $44.44 /hr
    1,735 hours
    4.89
  4. Vladislav Y.

    Vladislav Y.

    Network Expert (Cisco CCIE),Datacenter and Virtualization Professional

    Russia - Last active: 2 days ago - Tests: 4

    IT Professianl with 15+ year of hands-on experience, an Cisco Expert in both Routing&Switching (CCIE R&S since 2005) and Service Provider (CCIE SP since 2009) , Professional in Network Security (CCSP), Professional in Vmware Vsphere and Horizon view technologies (VCP-DT and VCP-Desktop) I have extensive experience with Cisco ( IOS, NX-OS) , Juniper, HP networking hardware and technologies, and strong on the side of Virtualization ( Vmware) and UNIX systems (Linux, Solaris, FreeBSD). Microsoft OSs are also part of my experience. I am certified in Linux/UNIX:RHCE on RHEL3 and SCNA on Solaris 9 and 10, also Microsoft-Certified: MCSE.

    $45.00 /hr
    7,591 hours
    5.00
  5. Heshantha Fernando

    Heshantha Fernando Agency Contractor

    Network Engineer, Security Specialist, System Admin and DB Admin

    Sri Lanka - Last active: 21 days ago - Tests: 15

    I have over 12 years of experience. Always with 'Can Do' attitude. When it comes to my expert areas of IT, I'm capable of accomplishing anything. I'm also a fast learner. Network Engineer: -Experience on Configuring, Troubleshooting and Optimizing Routers, Switches (L2/L3), ASA Devices, Load Balancers, PIX Firewalls etc. etc. With following certifications (CCNP R&S, CCNP Security) Security Specialist: -I have done a lot of projects as a Security Consultant. Having experience in conducting Vulnerability Assessments, Penetration Testing and also I have done Server/ Network Hardening against threats, Designing, Implementation and Maintenance of security policies, Conducting Forensic Investigations etc. etc. I'm having Certified Ethical Hacker (C|EH), Computer Hacking Forensic Investigator (C|HFI) and EC-Council Certified Security Analyst (E|CSA) Certifications Proficient in ISO 27001:2013 security audits and Certified Lead Implementer for ISO 27001:2013 System Administrator: - Windows Administration experience of mine goes back to Windows NT 4. Since then I have been Implementing, Administrating & Troubleshooting Windows Servers. - I have experience in HP-UX, Red Hat RHEL5/6 CentOS5/6 administration. Database Administration: - Implementing, Administrating & Troubleshooting Microsoft SQL Server 2008/2012. I have started DBA tasks back in SQL server 6.5 days. - Experience on DBA tasks on Oracle 8i, 9i, 10g and 11g. - Experience on DBA tasks on MySQL 5.0/5.5. IT Disaster Recovery: Have experience in identifying vulnerabilities and taking appropriate countermeasures to prevent and mitigate failure risks. Including taking enterprise-wide approach to develop disaster recovery plan, assessment of risks, developing policies and procedures, implementation the plan and recover from a disaster. I'm a EC-Council Disaster Recovery Professional (E|DRP)

    Associated with: Intek Services, Intek Services

    $25.00 /hr
    12,825 hours
    4.97
  6. Luis Villarreal

    Luis Villarreal

    Systems Administrator

    Mexico - Last active: 09/10/2013 - Tests: 7 - Portfolio: 4

    I am a systems administrator living near San Antonio, Texas. Ever since I can remember I have been using a computer, I can say that this is something I love to do. I am a fast learner and I am always looking to learn more and experience new things . Over the last 5 years I have been working as a system administrator. I have worked closely with Linux and Windows, designing, implementing and maintaining web, e-mail, instant messaging, VoIP and content delivery solutions to mention a few, as well as remote access systems and Virtual Environments. Working at oDesk over the past 3 years has given me the opportunity to be exposed and to learn about a wide variety of systems and technologies. Experience: +12 years in Technical Support. Linux, Windows and MacOS systems. +5 years in remote technical support +5 years in Server Administration +4 years in cloud computing and virtual environments. +3 years in e-mail and cloud migrations. +3 years in voice and video delivery technologies. +1 years in remote radio station managing. Skills: --SharePoint Online configuration, administration and maintenance --Azure and Amazon Platforms Administrator --Office 365 Migrations --Virtual Environments design, configuration and administration (VMWare, Hyper-V, Oracle) --Content Delivery Solutions Design ---CCTV Internet Streaming --Analog/Digital signals conversion into internet streams. --VOD and LiveTV Streaming (VLC, Tvheadend, MythTV, XBMC) --Cloud computing --Microsoft Exchange Server Configuration/Migration (2003-2010 ) --Windows Server Administration (2003-2012) --Active Directory Management --Group Policy Management --Backup Technologies Administration --Security and Firewall configuration (Juniper, Astaro, Sonicwall) --Network design and deployment --Jabber/XMPP messaging server (Openfire) --Application Deployment --Linux Server Administration (CentOS, Ubuntu, Fedora, RedHat) --LAMP Environment installation and configuration --VoIP server installation and configuration (3CX, Asterisk, Elastix, FreePBX) --Kaseya (Agent/application deployment, procedures, remote support) --ConnectWise (3.8 GPA ) --Network troubleshooting --Linux packages installation (Apache, MySQL, Nagios) --Install, support and managing of Nagios deployments --Wireless Security Auditing (WEP, WPA, WPA2) --Network Monitoring --General Networking Skills --Internet security --Software Troubleshooting --Virus and spyware removal --Computer Tune-ups --iPhone, iPad and iPod Configuration/Troubleshooting --Android Expert

    $30.00 /hr
    2,760 hours
    5.00