Windows System Administrators & Experts

Showing 249 freelancers

Windows System Administrators & Experts

Showing 249 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, 95 Windows Administration projects are completed every quarter on oDesk.

95

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: April 1, 2015

  • I.T. professional - TechSupport / SysAdmin

    Here follows my main set of skills, but I'm also available for simple Linux projects (at a much lower rate of course), in order to gain more experience with it. Windows server 2003/2008/2008R2/2012, Windows XP/Vista … more

    Here follows my main set of skills, but I'm also available for simple Linux projects (at a much lower rate of course), in order to gain more experience with it. Windows server 2003/2008/2008R2/2012, Windows XP/Vista/7/8, Microsoft Exchange 2003/2007/2010/2013, Outlook 2003/2007/2010. ISA 2006/Forefront TMG. Network traffic analysis using Wireshark. Virtualization environments: Hyper-V, Vmware Workstation and vSphere Basic Linux administration (CentOS, OpenSuse, Ubuntu). MCDST (Microsoft Certified Desktop Support Technician, Windows XP), MCSA (System Administrator + Messaging, Windows Server 2003), MCTS (Technology Specialist, Windows Vista, Exchange 2007 and 2010, Office 365 for Small Businesses), MCITP (Technology Professional, Windows Server 2008), Linux+ certified. Wireshark Certified Network Analyst, VMware VCA (VMware Certified Associate) Other products I’ve been exposed to: Symantec Backup Exec, Symantec Enterprise Vault, Microsoft OCS 2007 / Lync, Blackberry Enterprise Server, Microsoft SCCM 2007, Microsoft SQL server 2005/2008/2012 Excellent interpersonal skills, problem-solving attitude, accuracy, teamwork and organizational skills, self-management . Experience working in different countries (UK, Ireland, Italy) IT skills (7 years experience) University degree in Philosophy (4 years, Faculty of literature and philosophy - University of Pisa, Italy) International English Language Test System (Academic) TOEFL: 107/120  less

    microsoft-exchange-server isa-server vmware-esx vmware-administration ubuntu microsoft-sql-server-administration microsoft-hyper-v windows-administration 00 more less
    • $22.22 HOURLY RATE
    • 5.0
    • 3538 HOURS
    • PERU
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 10 TESTS
    GROUPS:
  • 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
    • $22.22 HOURLY RATE
    • 4.7
    • 2582 HOURS
    • ROMANIA
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 8 TESTS
    GROUPS:
  • Joomla Wordpress Theme Expert Tech Support

    I specialize in providing interactive websites designed specifically for each customer to match their personality and business needs. The variations are virtually endless with what I provide and I take pride in my ability to customize every facet of personal … more

    I specialize in providing interactive websites designed specifically for each customer to match their personality and business needs. The variations are virtually endless with what I provide and I take pride in my ability to customize every facet of personal, small busienss, or corporate websites. If you are just getting started, want to rework what you already have in place, or just want to update some of the details, i can do it all. I am also a Microsoft Certified Professional, with over 5 years experience providing tech support for end users. I have experience with Windows XP, 7, Server 2003, Server 2008, ASG Cypress Document Management Software, Hyper-V, VMWare, and much more. I am very flexible with communication. I can use IM, Skype, E-mail, or phone. Some of my most recent work: www.jackpothotrods.com www.mikebrowncustoms.com www.streetmachinery.com www.skindeepmegatanning.com  less

    joomla windows-nt-administration windows-administration vmware-administration windows-xp-administration tcp-ip windows-7-administration html5 00 more less
    • $24.44 HOURLY RATE
    • 5.0
    • 5786 HOURS
    • UNITED STATES
    • LAST ACTIVE
    • 5 PORTFOLIO ITEMS
    • 5 TESTS
    ASSOCIATED WITH:
  • Remote IT-computer, technical-support,server-administration, VMWare

    I'm a highly motivated problem solver with several good years of experience. I am Microsoft certified, currently holding the MCP and preparing to take the MCSE exams. Previous work: Responded to incoming technical support calls for ~30 mid to … more

    I'm a highly motivated problem solver with several good years of experience. I am Microsoft certified, currently holding the MCP and preparing to take the MCSE exams. Previous work: Responded to incoming technical support calls for ~30 mid to large sized companies. Managed a fixed schedule while taking incoming support requests. Provided troubleshooting on Win 2003, Win 2008 and Win 2012 Servers running Citrix, VMware, ADFS, O365, Exchange, Windows Terminal Services, All versions Windows OS and Mac Workstations. Experience in migrating Exchange to O365, handled Cutover and Hybrid migrations. Network troubleshooting on Cisco, SonicWALL, and Cyber configurations and VPNs. Worked with Microsoft Partner Support and many of the largest IT hardware/software vendors. Utilized Autotask and Connectwise ticketing system.  less

    microsoft-active-directory microsoft-exchange-server helpdesk-support windows-xp-administration virus-removal computer-networking windows-administration network-administration vmware-administration 00 more less
    • $22.22 HOURLY RATE
    • 5.0
    • 2042 HOURS
    • PAKISTAN
    • LAST ACTIVE
    • 4 PORTFOLIO ITEMS
    • 9 TESTS
    ASSOCIATED WITH:
  • 14+ yrs, LYNC, SCOM, SCCM, VMM, DPM, HyperV, AD, ADFS, Exchange

    I am a former Microsoft employee with 14+ yrs of experience in IT Infrastructure Management. For the past 5 years, working exclusively for ODesk clients. Specialization includes: Lync 2013, Lync 2010, OCS 2007 R2 Office 365, Windows Azure, DirSync, ADFS … more

    I am a former Microsoft employee with 14+ yrs of experience in IT Infrastructure Management. For the past 5 years, working exclusively for ODesk clients. Specialization includes: Lync 2013, Lync 2010, OCS 2007 R2 Office 365, Windows Azure, DirSync, ADFS 2.0 Windows Server 2012 R2, 2012, 2008 R2, 2008, 2003 AD, DNS,Group Policy, Hyper-V 2012/2008 R2, ISA 2006 SCOM 2012 R2, 2012, 2007 R2, 2007 SCCM 2012, SCCM 2007, SMS 2003 SCVMM 2012, VMM 2008 R2 SCDPM 2012 R2, DPM 2010 MS Project Server 2010, 2013 Prior to becoming a full time freelancer at Odesk, worked as a direct employee of Microsoft, IBM, Tesco and excelled both as individual contributor as well as Team Lead. Certifications: Microsoft Certified Systems Engineer (MCSE) MCP in Enterprise Project Management (EPM) Solution using MS Project Server 2003 ITIL Foundation - Version 3 Key achievements: -Successfully migrated OCS 2007 R2 to Lync 2013 without down time -Integrated Ingate E-SBC with Lync & Verizon VOIP -Implemented ADFS 2.0 and integrated with Windows Azure -Handled numerous disaster recoveries and system builds -Managed 1300 Windows servers with just a team of 4 members -Performed as the technical architect to implement SCOM 2007 across 1300 servers -Effectively managed a team of 24 engineers as the Team Lead for Wintel L3 Support -Led a team of 32 members for implementing Toyota Lean Model and successfully driven the team to follow the process to improve productivity and quality -Involved in Project transition and worked through full life cycle of a project with 1200 Windows servers that utilized technologies like VMWare, SAN, NetApp and Citrix  less

    windows-administration microsoft-lync-server data-center-operations microsoft-sccm microsoft-scvmm microsoft-hyper-v microsoft-hyper-v-server isa-server microsoft-project microsoft-active-directory 00 more less
    • $33.33 HOURLY RATE
    • 4.9
    • 3777 HOURS
    • INDIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 2 TESTS
  • IT Engineer, manager / Systems Engineer Microsoft

    • Successful background in system administration, top-down networking implementation, system analysis, technical support, optimization and troubleshooting.• Strong experience in implementation of large-scale networking solutions, based on different operating system technologies, various hardware and software.• Experienced Engineer specializing in analyzing and solving … more

    • Successful background in system administration, top-down networking implementation, system analysis, technical support, optimization and troubleshooting.• Strong experience in implementation of large-scale networking solutions, based on different operating system technologies, various hardware and software.• Experienced Engineer specializing in analyzing and solving complex IT problems.• Good understanding of ITIL principles (passed ITIL v3 Foundation test).• Independent, resourceful and detail- oriented individual, able to quickly grasp new technology and work effectively in the team demonstrating good organizational and interpersonal skills• MCITP Enterprise Messaging Administrator on Exchange 2010•MCSE holder• MCITP Windows Database Administrator SQL2005 (MCDBA) • LinkedIn profile http://www.linkedin.com/in/vsudenko Microsoft Windows Server 2008/2003/2000/NT • Linux (Unix, Aix, Solaris, HP-UX) • MS Exchange, Lotus, Web, FTP, Proxy servers, MS IIS, MS Project, Tivoli• MS Active Directory• TCP/IP, LAN, WAN, VPN, DNS, DHCP• Virtualization technologies (VMware, Virtual PC).• Citrix MetaFrame Server - administrator• Backup systems (VERITAS Backup Exec, ARCserve, IBM Tivoli Storage Management) Good knowledge MS SQL 7.0 - 2012, stored procedures, backup, DTS, Jobs, restore from Log, etc.  less

    windows-administration linux-system-administration sql mac-os-app-development javascript .net-framework microsoft-exchange-server oracle-database sap-business-objects powershell 00 more less
    • $30.00 HOURLY RATE
    • 5.0
    • 5793 HOURS
    • CZECH REPUBLIC
    • LAST ACTIVE
    • 14 PORTFOLIO ITEMS
    • 9 TESTS
    ASSOCIATED WITH:
  • 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
    • 5.0
    • 1679 HOURS
    • BANGLADESH
    • LAST ACTIVE
    • 10 PORTFOLIO ITEMS
    • 9 TESTS
    GROUPS:
    ASSOCIATED WITH:
  • Sr Windows and Linux Systems Admininstrator \ AWS(EC2) Administrator

    I'm autonomous engineer with over 11 years of experience in Linux(Unix) and Windows systems administration. I perform each project to the fullest of my capabilities and with the dedication that is expected from a professional as myself. In … more

    I'm autonomous engineer with over 11 years of experience in Linux(Unix) and Windows systems administration. I perform each project to the fullest of my capabilities and with the dedication that is expected from a professional as myself. In short I've great experience with: - OS deployment, configuration and troubleshooting: CentOS, Ubuntu, Debian, FreeBSD, Windows Server 2003 - 2012R2 - Hosting engines: WHM (cPanel), ISPmanager, Plesk, DirectAdmin, Kloxo,Zpanel - AWS (RDS, EC2, SES, S3, CloudFront, VPC, Route53, RedShift, Elastic Beanstalk etc.) - Server and client apps: WEB (Apache, IIS, Nginx, Varnish, APC, PHP etc), SQL (MySQL, MSSQL administration), FTP (ProFTP, PureFTP, IIS etc.), Mail (Postfix, Zimbra, Dovecot, MS Exchange 2007-2013 etc.). - Deep knowladge in Virtualization: Xen, OpenVZ, KVM, VMware, Hyper-V, Docker. Other skills: Atlassian JIRA\Confluence deployment and troubleshooting. I'm good at server migration, installation and configuration,t troubleshooting and security. Also I'm able to provide on-going support services. Each problem that I solved became a rule which served afterwards to solve other problems. My job it's my rest.  less

    linux-system-administration windows-administration network-administration database-administration cpanel plesk amazon-web-services domain-migration network-security virtualization 00 more less
    • $28.89 HOURLY RATE
    • 5.0
    • 1487 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 3 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
    • 1181 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 16 PORTFOLIO ITEMS
    • 20 TESTS
  • Linux Servers AWS Cloud Hosting Security CPanel Plesk VOIP PenTest

    Since 2001, I have been dedicatedly working with Linux Operating Systems & Open Source. Services Provided ::- Deployment, Configuration, Security, Hardening, Monitoring, Performance Tuning, Troubleshooting of Linux Server Roles AWS – Amazon Web Services Migration of Servers Hosting Panels like WHM/CPanel, Plesk … more

    Since 2001, I have been dedicatedly working with Linux Operating Systems & Open Source. Services Provided ::- Deployment, Configuration, Security, Hardening, Monitoring, Performance Tuning, Troubleshooting of Linux Server Roles AWS – Amazon Web Services Migration of Servers Hosting Panels like WHM/CPanel, Plesk etc Asterisk Dialers, VOIP and Call Center Solutions Customization of Linux Kernel & Distro with Rebranding Faculty of Post-Graduate Degree in Computer Sciences. Firewalls & Gateways Linux HPC - High Preformance Clusters Remote Server Support & Troubleshooting L3/L4 Security Auditing of Servers & Websites Cloud & Virtualization Technical Writing VPN - Site-to-Site, Road-warrior Vulnerability Assessment & Penetration Testing Kayako  less

    plesk whm cpanel lamp-administration vicidial trixbox asterisk vpn security penetration-testing mail-server-implementation apache-administration mysql postfix openvpn linux-system-administration redmine firewalls exim spamassassin awk unix-shell dns ssh ssl ubuntu technical-support technical-writing technical-documentation virtualization vmware-administration bacula mediawiki network-security nagios unix-system-administration snmp operating-systems-development magento windows-administration squid haproxy dhcp moodle samba ldap clustering apache-tomcat amazon-ec2 amazon-web-services subversion iptables svn git redhat-administration bash-shell-scripting xen-hypervisor 00 more less
    • $16.67 HOURLY RATE
    • 4.9
    • 2930 HOURS
    • INDIA
    • LAST ACTIVE
    • 14 PORTFOLIO ITEMS
    • 4 TESTS
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