Windows System Administrators & Experts

Showing 234 freelancers

Windows System Administrators & Experts

Showing 234 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

  • 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
    • 3534 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
    • 2581 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
    • 5775 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
    • 2035 HOURS
    • PAKISTAN
    • LAST ACTIVE
    • 4 PORTFOLIO ITEMS
    • 9 TESTS
    ASSOCIATED WITH:
  • 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
    • 2471 HOURS
    • PAKISTAN
    • LAST ACTIVE
    • 6 PORTFOLIO ITEMS
    • 17 TESTS
  • MCITP, MCSE, Virtualization, Network Engineer/Mangr, Writer

    Experienced Technology Leader, Implementation Manager, Change Agent and MCSE/MCITP. In-depth knowledge of IT systems and operations, project management, large-scale system implementations and information security with over twelve years with hands on experience as an Enterprise Administrator and Network Manager … more

    Experienced Technology Leader, Implementation Manager, Change Agent and MCSE/MCITP. In-depth knowledge of IT systems and operations, project management, large-scale system implementations and information security with over twelve years with hands on experience as an Enterprise Administrator and Network Manager in NT, 2000, 2003 and 2008 environments. Extensive experience in Server Virtualization including VMware and Hyper-V integrated with HP and EMC SANs. Practiced understanding of Exchange, Lync Server 2010, Fortigate UTM devices, Active Directory, PKI and DFS. Five years of experience as a corporate Microsoft/Certification trainer and serving as an MCSE/CCNAinstructor for technical schools, colleges and corporations such as AT&T; and Comcast Cable. I have created course curriculum for two online schools. I am extremely proficient in Server 2012 and 2008, including Server Core edition, Hyper-V, Fortinet, VMware, Procurve, HP and EMC SANs, Active Directory, Exchange, SQL, Procurve switches and many other technologies. I have been highly involved in server virtualization for seven years and am proficient in both VMware and Microsoft Hyper-V. I am also a professional writer and have contributed to several white papers and authored published articles in professional journals. Have also written and reviewed test questions for IT professional certifications. I am looking for other opportunities to supplement my work load. My Microsoft Profile can be accessed by this link: http://www.mcpvirtualbusinesscard.com/VBCServer/brad.rudisail/profile For more information on me go to www.bradinthecloud.com  less

    virtualization security technical-documentation microsoft-active-directory technical-writing white-paper-writing windows-administration 00 more less
    • $34.94 HOURLY RATE
    • 5.0
    • 1813 HOURS
    • UNITED STATES
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 3 TESTS
    GROUPS:
  • 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
    • 3775 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
    • 5781 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
    • 1677 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
    • 1483 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 3 TESTS
    GROUPS:
    ASSOCIATED WITH:
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