Windows System Administrators & Experts

Showing 240 freelancers

Windows System Administrators & Experts

Showing 240 freelancers

Get Your Windows Administration Project Started Today!

Post your Windows administration project on oDesk, the world’s largest online workplace, and hire an experienced Microsoft Windows administrator or a Windows server and network engineer to maintain your Windows administration and IT support. These freelancers have a deep knowledge of Windows XP, Vista, 7 and 8 as well as SQL, Microsoft Exchange and Windows (2003 through 2012) servers. They can use their experience with Windows administrative tools - and technologies like Active Directory (AD), Deployment Services (WDS) and Group Policy Object (GPO) - to manage your remote Windows configuration, maintenance and backup operations.

Windows administration refers to remote desktop, server and network support for Microsoft Windows operating systems. On oDesk, freelance system administrators can design, install and evaluate your Windows system, provide your clients with high quality technical support, migrate your server from Windows 2003 or Windows 2008 (and 2008 R2) to Windows 2012, and configure your system security (anti-virus software and Windows Firewall).

Browse Windows Administration job posts for project examples or post your job on oDesk for free!

Windows Administration Job Cost Overview

Typical total cost of oDesk Windows Administration projects based on completed and fixed-price jobs.

oDesk Windows Administration Jobs Completed Quarterly

On average, 86 Windows Administration projects are completed every quarter on oDesk.

86

Time to Complete oDesk Windows Administration Jobs

Time needed to complete a Windows Administration project on oDesk.

Average Windows Administration Freelancer Feedback Score

Windows Administration oDesk freelancers typically receive a client rating of 4.76.

4.76

Last updated: March 1, 2015

  • Symfony 2, ExtJS, Sencha Touch, Android

    Over the last 10 years I have developed a wide range of sites using HTML, PHP, MySQL, MongoDB, AJAX, ASP.NET, MS SQL including sites for startup companies and small businesses. Looking for opportunities to build websites from ground up … more

    Over the last 10 years I have developed a wide range of sites using HTML, PHP, MySQL, MongoDB, AJAX, ASP.NET, MS SQL including sites for startup companies and small businesses. Looking for opportunities to build websites from ground up. Master's degree in Computer Sciences Programming Languages: PHP (4 - 5.4), C#, VB.NET, C, C++, BASH, Python, JavaScript DataBases: MS SQL (2000-2012), MySQL (3 - 5.1), MongoDB (1.8 - 2.0) Frameworks: .NET (1.1 - 4.5), Zend Framework, Symfony (1.3 - 1.4), Symfony 2, WordPress 100% money back guarantee if not satisfied for any reason. Please don't invite me for interview if your project is not under oDesk [[http://www.odesk.com/help/help/policies/billing_payments_policy|Guaranteed Payment]] policy (having fixed price). Thank you for understanding.  less

    css elgg php ajax c# xml windows-administration .net-framework soap project-management iis html sql mysql wordpress database-modeling symfony unix-shell xhtml linux-system-administration zend-framework smarty ibm-websphere lamp-administration remoting android-app-development html5 mongodb 00 more less
    • $38.89 HOURLY RATE
    • 4.9
    • 3373 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 16 PORTFOLIO ITEMS
    • 13 TESTS
    ASSOCIATED WITH:
  • ServerOptimization, AWS, Cloud, AutoScaling, RubyRails,Jira, MySQL

    Within last 10 years, I have provided support for hundreds of clients including start-ups and thousands of servers/websites including cloud servers like AWS and rackspace. Optimizing servers/websites, automation and various linux servers like rubyrails, python, php, tomcat, jira … more

    Within last 10 years, I have provided support for hundreds of clients including start-ups and thousands of servers/websites including cloud servers like AWS and rackspace. Optimizing servers/websites, automation and various linux servers like rubyrails, python, php, tomcat, jira, confluence, cpanel, plesk, mysql, mail servers, database / application scaling and Load balancers is just few of my skills. Love to work in deploying challenging applications, server migrations /configurations and start-up projects. I also have some exp with php coding and has developed interfaces as part of server administration.  less

    linux-system-administration lamp-administration windows-administration amazon-ec2 atlassian-jira atlassian-confluence php zabbix amazon-s3 amazon-rds amazon-web-services rightscale wordpress seo 00 more less
    • $50.00 HOURLY RATE
    • 5.0
    • 1818 HOURS
    • INDIA
    • LAST ACTIVE
    • 5 PORTFOLIO ITEMS
    • 9 TESTS
    GROUPS:
    ASSOCIATED WITH:
  • Web Developer Guru,DBA, Analist and Integrator +10 years experience

    For more than 14 years I have been working for private contractors here in Colombia, now it is time to see what are outside the walls. I want to prove all my potencial working for international organizations that get me … more

    For more than 14 years I have been working for private contractors here in Colombia, now it is time to see what are outside the walls. I want to prove all my potencial working for international organizations that get me to the top of my habilities and let me share more time with my family. I am allways evolving and as every human being seeking for the best of the best.  less

    php mysql linux-system-administration sql delphi interbase postgresql windows-administration database-modeling iis 00 more less
    • $13.33 HOURLY RATE
    • 4.9
    • 10357 HOURS
    • COLOMBIA
    • LAST ACTIVE
    • 4 PORTFOLIO ITEMS
    • 8 TESTS
  • Technical Support Specialist

    to impart my learned knowledge and be a part of company's success … more

    to impart my learned knowledge and be a part of company's success  less

    hardware-troubleshooting internet-research windows-administration administrative-support blog-commenting article-submission wordpress link-building link-wheel email-technical-support facebook-marketing social-media-marketing pinterest-marketing directory-submission virtual-assistant microsoft-excel microsoft-powerpoint microsoft-outlook-development chat-support email-handling computer-repair 00 more less
    • $7.00 HOURLY RATE
    • 4.9
    • 7456 HOURS
    • PHILIPPINES
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 9 TESTS
  • Experience Web Application Developer: php/mysql/js/css/APIs (USA)

    To utilize my technical and management skills for achieving the target and delivering the best performance in the esteemed organization or individual. I would like to implement my innovative ideas, progressive experience, skills and creativity for accomplishing any projects. I … more

    To utilize my technical and management skills for achieving the target and delivering the best performance in the esteemed organization or individual. I would like to implement my innovative ideas, progressive experience, skills and creativity for accomplishing any projects. I am willing to work from the ground floor with the right company or individual where my technical skills, can be enhanced and over 10 years of extensive experience in the computer field helping start-up companies, small and large businesses can be utilized in diversified fields in a proper way for the benefit of an organization or individual. Expertise in several programming languages and over three years of experience in software development and web development, are the major factors, which would help me in making worthy contribution towards the growth and success of a project. I have solid understanding of programming concepts required like: 1. HTML/HTML5/DHTML 2. CSS, CSS3 (table-less design) 3. PHP5 (Love it) 4. Web services 5. Wordpress 6. MYSQL (my free database) 7. jQuery/Javascript/Ajax (Love them because I like to animate things in web pages) 8. e-commerce (Payment Gateway integration.) 9. API Coding/Integration (I implemented a lot of APIs including Facebook, Myspace, Twitter, Google, Yahoo, Foursquare, Friendfeed, Youtube, Vimeo, etc) 10. Membership systems 11. Photo galleries 12. MVC and OOP 13. SEO 14. Data entry 15. Database Design 14 etc What you need is an appreciated team member with technical intelligence, a trouble-free relationship with people, a status for understanding responsibility of leadership and presenting good results. YOU NEED "ME"! I am also fluent in French (Je parle le francais vraiment tres bien) and a little of Spanish (hola). I am available when you are available. You are up now, so I am. That's why I'm available through various means of communication including Skype. This means you can contact me now! Thanks for viewing my profile  less

    php mysql windows-administration ajax html xhtml html5 javascript xml sql asp.net-mvc jquery css 00 more less
    • $38.88 HOURLY RATE
    • 5.0
    • 4045 HOURS
    • UNITED STATES
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 2 TESTS
    ASSOCIATED WITH:
  • VCP, MCSA, Exchange, Vmware, HyperV, Servers Expert Admin

    10+ years experience in Information Technology (IT) Major areas of expertise: VMware and Microsoft virtualization technologies. Designing and implementing fault-tolerant virtualization clusters SAN and NAS systems (iSCSI, FC) Windows 2003 / 2008 / 2012 Server * Active Directory * Microsoft ISA Server and TMG … more

    10+ years experience in Information Technology (IT) Major areas of expertise: VMware and Microsoft virtualization technologies. Designing and implementing fault-tolerant virtualization clusters SAN and NAS systems (iSCSI, FC) Windows 2003 / 2008 / 2012 Server * Active Directory * Microsoft ISA Server and TMG * Clustering * MS Windows XP/Vista/7/8 desktop/workstation operating systems * Centralized anitivirus systems WSUS * TCP/IP, Switching and Routing * Firewalls IBM, HP, Dell Servers * DNS, DHCP, Wins * Print Server * File Server * Network and Servers documentation * LAN hardware/software administration, design, installation and configuration * Print Server * LAMP Administration * Linux services : squid, postfix, dovecot, firewall, ldap, mysql, nagios, dhcp, bind etc Certifications: MCP - Microsoft Certified Professional MCSA - Microsoft Certified Systems Administrator VCP - Vmware Certified Professional VCP-510 * VCA-DCV - Vmware Certified Associate Data Center Virtualization.  less

    windows-administration vmware-administration vmware-esx microsoft-exchange-server virtualization network-administration lamp-administration cisco-routers cisco-ios microsoft-hyper-v-server iis dhcp dns centos postfix apache-administration php computer-networking mail-server-implementation isa-server mysql software-testing virus-removal firewalls squid ldap linux-system-administration network-security 00 more less
    • $25.00 HOURLY RATE
    • 4.7
    • 2567 HOURS
    • ROMANIA
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 8 TESTS
    GROUPS:
  • Technical / IT / MCSA Office 365 / MAC OS X Support

    For the past 5 years, I have been working as a Technical Support Representative and Help Desk technician. I have handled email, chat and phone support, both inbound and outbound. I was a level 2 technician with Microsoft PC Safety … more

    For the past 5 years, I have been working as a Technical Support Representative and Help Desk technician. I have handled email, chat and phone support, both inbound and outbound. I was a level 2 technician with Microsoft PC Safety which specializes in removing viruses, Windows Update issues, Antivirus programs, Firewall issues and other security related issues with the operating system. My core competency is with Active Directory, Microsoft Operating Systems and Networking devices. Based on knowledge and experience gained over the last 5 years as Technical Support / IT Support, I have developed a great expertise in many fields such as: Windows Server 2003/2008R2/2012, Windows XP/Vista/7/8, Microsoft Exchange 2010/2013, Outlook 2003/2007/2010/2013, MCSA: Office 365 MCP: Microsoft Azure Virtualization environments: Hyper-V, VMware Workstation and VMware Server ESXi 5.0/5.1 Antivirus server: Symantec Endpoint Protection, ESET NOD32 administration. Backup: Symantec Netbackup, Symantec Enterprise vault Network Administration, ERP system administration, MAC OS X Mac OS X Server Desktop and Technical support. I also have great experience with installation, configuration and administration of different kind of device like network printers, routers. Based on my friendly and communicative spirit I am sure I can fulfill all your requirements and expectations.  less

    computer-networking network-administration helpdesk-support microsoft-word windows-7-administration wireless-network-implementation windows-administration windows-xp-administration computer-maintenance computer-repair adobe-photoshop mac-os-app-development adobe-captivate technical-support microsoft-outlook-development microsoft-excel wordpress microsoft-exchange-server microsoft-onenote windows-8-administration microsoft-sharepoint-administration virus-removal microsoft-active-directory 00 more less
    • $8.00 HOURLY RATE
    • 5.0
    • 2381 HOURS
    • PAKISTAN
    • LAST ACTIVE
    • 6 PORTFOLIO ITEMS
    • 17 TESTS
  • Linux,VoIP and Windows Server Administrator

    I have over 5 years of hands on experiences in maintaining various servers mostly Microsoft & Linux based systems. Areas of my expertise are: 1. Asterisk, Elastix, Trixbox, FreePBX, Vicidial, A2Billing 2. Amazon EC2,S3,VPS,VMWare,ESXi,Xen,Open VZ … more

    I have over 5 years of hands on experiences in maintaining various servers mostly Microsoft & Linux based systems. Areas of my expertise are: 1. Asterisk, Elastix, Trixbox, FreePBX, Vicidial, A2Billing 2. Amazon EC2,S3,VPS,VMWare,ESXi,Xen,Open VZ 3. Mysql & MSSQL server 4. Windows based Servers, LAMP, Mail, DNS, Proxy Server 5. OpenVPN and L2TP/IPSec VPN 6. Webmin,Cpanel, WHM,Zpanel 7. Cisco,Mikrotik, DD-WRT,OpenWRT Special note: I am open for full-time job from 6:00 AM to 6:00 PM (PST)  less

    windows-administration freepbx elastix asterisk amazon-ec2 vpn cisco-routers amazon-web-services a2billing vicidial 00 more less
    • $8.00 HOURLY RATE
    • 4.9
    • 1660 HOURS
    • BANGLADESH
    • LAST ACTIVE
    • 10 PORTFOLIO ITEMS
    • 9 TESTS
    GROUPS:
    ASSOCIATED WITH:
  • Senior System Administrator, Security officer, Migration engineer, SSD

    YOUR POSITIVE FEEDBACK IS THE HIGHEST AWARD FOR ME ;) Will do my best to assist you in any questions and tasks you may have =) Here is some info about my experience. SUMMARY Specialties: Information Technology / Internet / IT Division / Computer security … more

    YOUR POSITIVE FEEDBACK IS THE HIGHEST AWARD FOR ME ;) Will do my best to assist you in any questions and tasks you may have =) Here is some info about my experience. SUMMARY Specialties: Information Technology / Internet / IT Division / Computer security/ Internet Services / System Administration/ Webmaster Support / Web Analysis/ SEO / SEM / Internet Marketing Web hosting services (SSD hosting solutions) EXPERIENCE: d(-_-)b Linux/Windows system administrator, Operations team EuroVPS/WebDomSolutions January 2012 - May 2013 Greece, Athens Responsibilities: - Tickets; - System administration and monitoring. Theoretical and practical skills: - Operating Systems: RedHat/CentOS/Fedora, Debian/Ubuntu, FreeBSD, Windows Server 2003/2008; - Virtualization: Virtuozzo, OpenVZ, VMware, Onapp Xen, Apache CloudStack; - Setup/configuration: nagios, kayako, racktables, confluence, observium, nginx, php-fpm, liteSpeed, Apache CloudStack, Hostbill, WHMCS, redmine; - Control panels: Plesk, WHM Cpanel. - Database Administration: SQL Server, MySQL, MariaDB ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ <( -'.'- )> freelancer SEO freelance October 2010 - March 2012 (1 years 6 months) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ o(^_^)o System Administrator / Techsupport Webintellects/Webhostgian/Jumpline/Webdomsolutions November 2010 - March 2012 (1 year 5 months) US, Ohio Responsibilities: - Live Chat support, Tickets; - System/Server/Control Panel administration; - Nagios monitoring; - Internet research and work with technical documentation. Operating Systems: * RedHat/CentOS,Fedora * Windows server 2003/2008 * VPS setup and configuration (Parallels Virtuozzo Containers); Advanced theoretical and practical skills in such areas: - Operating Systems: RedHat/CentOS/Fedora, Windows server 2003/2008; - Virtualization: VPS setup and configuration (Parallels Virtuozzo); - Security: Advanced knowledge of Linux security, Firewalls ( IPtables, CSF, APF, BFD, Fail2Ban), Encryption ( SSL), SSH, Host Security Auditing; - Software: Apache servers (versions 1.3.x/2.2), DNS (BIND 9), QMail, Sendmail, exim, LAMP, Plesk/Exim/Cpanel (installing/upgrading/maintaining), Drupal, Wordpress, Joomla, OsCommerce applications, Yum/RPM usage; - Database Administration: SQL Server 2003/2008, MySQL, MS access. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ b(^_^)d Internet Marketing Specialist || Web Analyst DCoM Soft, Inc. December 2009 – August 2010 (9 months) Responsibilities: - Internet Marketing strategy and tactics - Information architecture and Web site content planning - Research of partners - Internet Market Research - Research Usability Design - Online promotion of company's web-based products Skills: - Search Engine Optimisation (SEO) - Paid online Marketing / Pay per Click Management (PPC) - SEO Copywriting/Editing - Social Media Optimization and Marketing (SMO/SMM) - Experience running USA-targeted social Marketing - Writing press releases - Social networking (Twitter, Facebook, Google follow etc) - Google Products, AdWords/AdSense, Google Analytics, Webmaster tools, Google Merchant, etc. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ \(^_^)/ Customer Relations Representative || Advanced Technical Agent Ecommerce, Inc. May 2007 – October 2009 (2 years 6 months) Responsibilities: - Sales, billing and technical support in solving problems reported by clients; - Chat, helpdesk system, correspondence; - View, Adaptation, "repair" clients' sites; - Basic server/service diagnostic and reports to sysadmin department; - Internet research and work with technical documentation; - Work in team. Basic theoretical and practical skills in such areas: - Linux / Unix OS, Windows server 2000/2003, Windows XP/98; - Servers: Apache, bind, sendmail, ProFTP, MySQL, SQUID / SOCKS, MSSQL, Samba; - Easy coding: PHP, PERL / CGI, HTML, JavaScript, CF, ASP,. NET, C + +; - Widely used protocols (HTTP, HTTPS, SMTP, POP, IMAP, FTP (s), TCP / UDP, etc); - HSPHERE control panel (versions 2.3 and 3).  less

    wordpress plesk cpanel joomla nginx php centos nagios mysql network-administration security atlassian-confluence virtuoso openvz vmware-administration fedora ubuntu bash seo sem ftp exim qmail postfix ssl linux-system-administration lamp-administration database-administration windows-administration project-management virtual-assistant tcp-ip internet-marketing network-security google-analytics redhat-administration css unix-system-administration unix-shell virus-removal apache-administration phpmyadmin red5 00 more less
    • $34.88 HOURLY RATE
    • 5.0
    • 1131 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 16 PORTFOLIO ITEMS
    • 20 TESTS
  • VoIP Expert / IP-PBX Specialist / Asterisk Ninja

    Over 11 years hands-on experience. i have a great knowledge on VoIP Hardware and Applications from open source softswitches, MultiTenant PBX and predictive dialers (Asterisk, Freepbx, FusionPBX, BlueBox, Thirdlane, FreeSwitch, A2Billing, Elastix, Trixbox, Vicidial, GoAutoDial, etc), to licensed softswitches (Voipswitch … more

    Over 11 years hands-on experience. i have a great knowledge on VoIP Hardware and Applications from open source softswitches, MultiTenant PBX and predictive dialers (Asterisk, Freepbx, FusionPBX, BlueBox, Thirdlane, FreeSwitch, A2Billing, Elastix, Trixbox, Vicidial, GoAutoDial, etc), to licensed softswitches (Voipswitch, Nextone, Voicemaster, PortaOne, Mera, etc) and other VoIP gateways. I have at least currently total of 500 IP-PBX server deployments and also do provide VoIP termination services. I work as a part-time consultant for a number of VoIP companies in the Philippines. I have a broad knowledge about networking and wireless. this includes routers, firewalls, access points and VSAT. I also do hardware/software troubleshooting and web designing (joomla and wordpress) and basic programming (php, html and perl) I am confident that i can deliver any work satisfaction guaranteed  less

    vicidial elastix trixbox pfsense sugar-crm vtiger paypal-api a2billing freepbx freeswitch asterisk hardware-troubleshooting teamviewer centos linux-system-administration windows-administration computer-repair call-handling network-security computer-networking windows-xp-administration paypal-integration yahoo-messenger wordpress html perl ajax filipino sip cpanel adobe-photoshop blackberry-app-development ftp skype video-editing dj video-conversion lotus-notes vmware-administration 00 more less
    • $30.00 HOURLY RATE
    • 5.0
    • 1834 HOURS
    • PHILIPPINES
    • LAST ACTIVE
    • 17 PORTFOLIO ITEMS
    • 4 TESTS
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