Windows System Administrators & Experts

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Post your Windows administration project on Upwork, 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 Upwork, 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 Upwork for free!

Windows Administration Job Cost Overview

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

Upwork Windows Administration Jobs Completed Quarterly

On average, 105 Windows Administration projects are completed every quarter on Upwork.

105

Time to Complete Upwork Windows Administration Jobs

Time needed to complete a Windows Administration project on Upwork.

Average Windows Administration Freelancer Feedback Score

Windows Administration Upwork freelancers typically receive a client rating of 4.78.

4.78
Last updated: May 1, 2015
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  1. Konstantin Kostin

    Konstantin Kostin

    System administrator

    Russia - Last active: 1 month ago - Tests: 9

    6 years of experience in Microsoft Windows administration, AD DS, PowerShell scripting. Successful administration of 250 client computers and 350 users in company in different cities all over the country. Installation and configuration of mail servers with friendly web-interface, centralized backup servers, VPN servers, firewalls on *BSD-based systems. Configuring routers, switches (Cisco, Mikrotik, *BSD-based (CCNA level)).

    $16.67 /hr
    4 hours
    4.96
  2. Dobrivoje B.

    Dobrivoje B.

    System Engineer

    Serbia - Last active: 15 days ago - Tests: 2 - Portfolio: 2

    A high-powered mutant of some kind never even considered for mass production. Too weird to live, and too rare to die. Hardworker willing to learn new things and accommodate according to your business needs. I have diploma in Information Technology and Services and many internships in big companies (such as Microsoft Serbia, many student projects and so on). At this moment i am system engineer and mostly i am implementing solutions from Microsoft portfolio.

    $22.22 /hr
    0 hours
    5.00
  3. David P.

    David P.

    IT Specialist /SEO /Web Dev

    Georgia - Last active: 2 days ago - Tests: 8

    Hello i am Highly skilled and expirienced person in Designing network infrastructure and administering windows servers, i am also good at HTML PHP, CSS, AngularJS II .... and a long list after so many years !!!!). Always learning, in this world you can never stop learning, reading, tasting and also exasperating... (it is part of the task) Programming fan, pragmatic and methodical.... done job quality and client satisfaction are my first two goals

    $4.99 /hr
    0 hours
    5.00
  4. Douglas Cordeiro

    Douglas Cordeiro

    IT Professional experience with Microsoft and Cisco

    Brazil - Last active: 25 days ago - Tests: 4

    Over the last 6 years, I have worked with level 2 support for companies of Brazil on the Microsoft platform, with technical support, troubleshooting and deployment of new servers. I am willing to assist you or your company in new directions for success in technology. I also have some experience in the following areas: Cisco Switching and Routing, LoadBalance, Firewall Appliances, Linux configuring and installation, Broadband Routers and Monitoring Environment NAGIOS, CA SPECTRUM, ZABBIX.

    $22.22 /hr
    3 hours
    4.94
  5. Marcel N.

    Marcel N.

    Expert .NET, SQL Server and C/C++ developer.

    Romania - Last active: 1 month ago - Tests: 5

    I have experience with all types of applications and projects, from simple desktop or web applications to enterprise level distributed and data driven applications , written in various programming languages and frameworks. I have experience and completed projects with the following languages: - C/C++: 10 years experience. - C#/VB.NET: 7 years experience. - Delphi: 5 years experience. - Ruby: 2 years experience. - Java: 10 years experience. - JavaScript: 8 years experience. - Transact SQL (SQL Server): 10 years experience. - PL/SQL (Oracle): 2 years experience.

    $27.78 /hr
    2 hours
    5.00
  6. GRISHAENKO ANDREJ

    GRISHAENKO ANDREJ

    Linux System Administrator

    Ukraine - Last active: 5 days ago - Tests: 4

    System administrator with more then 3 years experience managing servers, networks, hardware. Has a experience at: OS: Linux(Debian based, RedHat based distro), Windows (2003 R2 and later), FreeBSD (low exp); Web server configure (Apache, Nginx, MultiPHP versions(based on suphp)); Database tuning (MySQL\MariaDB, PostgreSQL); File Share (Samba, proftpd, NFS, iSCSI); MTA (Exim, (Postfix - low exp)); Mail Server (dovecot); Mail software(Zimbra); Monitoring (Nagios, Check_MK, Cacti, ..); VoIP (knowledge in Asterisk 1.6); Virtualization (XENserver, VMware ESXi); Web hosting control panel(Cpanel, ISPconfig, ISPmanager 4/5, VestaCP, Zpanel, Ajenti ); Scripting( bash, (python - knowledge only, perl - low exp)); other (Squid, bind, iptables, GlusterFS); Windows (AD, WDS, VPN)

    $11.11 /hr
    0 hours
    5.00
  7. Kostiantyn I.

    Kostiantyn I.

    Expert in Linux / MCSE / Cloud / Virtualization. 10+ yrs.

    Ukraine - Last active: 4 days ago - Tests: 12

    - My #1 goal will always be to meet your needs and deadline. I am a 27 years old passionate senior technical engineer and Master of Computer Applications, former direct employee of VMware and IBM with 10+ years of experience in virtualization and IT infrastructure management. Working exclusively for freelance clients from Jan 2015. I possess strong oral & written communication skills to work effectively with my clients. I take pride in what I do and don't accept compromises when it comes to high quality work! My clients love my work. I think the key is my skills, dedication to get the job done and honesty. SKILLS - Deep knowledges of Corporate Infrastructure (including storages and SAN) and Networking technologies - Linux and Unix Server Administration (CentOS / Debian / RHEL / AIX), with Apache, Nginx, MySQL, PHP, tweaking and optimizing Apache for better performance) - Windows Server Administration (Windows Server 2012 R2, Powershell, AD, DNS, Group Policy, SCOM, SCCM, SCVMM, SCDPM, Exchange 2010/2013, Lync 2010/2013) - Virtualization (VMware vSphere, Hyper-V, openVZ, Proxmox) - Cloud Technologies (Microsoft Azure, Office 365, Amazon Web Services) - I am keen on scripting and custom coding for automation purposes (using Bash, PHP and Perl for Linux or Powershell for Windows) and have more than 300 scripts and tools written (various web scrapers, convertors, import/export scripts, data analytic tools, reporters etc.) - Server Auditing & Penetration testing KEY ACHIEVEMENTS - Managed 700 Windows Servers with just a team of 2 members - Developed High and Low Level design for "Zero downtime" migration of banking data centre with bare-metal servers to a hybrid cloud (VMware vCloud, SAN, P2V migration) CERTIFICATIONS Microsoft MCITP, IBM Certified, RHEL Certified Engineer, VMware VCP-DV, Cisco CCNP, ITIL Expert - V3 My Microsoft Exam validation page can be accessed by this link: https://mcp.microsoft.com/Anonymous//Transcript/Validate (Transcript ID: 995744, Access Code: mcp995744). Feel free to contact me regarding any question you might have. I usually respond within 8 hours or less.

    Groups: Microsoft Certified Professionals

    $10.00 /hr
    0 hours
    5.00
  8. Dekraoui Youssef

    Dekraoui Youssef

    Cisco/Microsoft Certified Network administrator, IT troubleshooter

    Morocco - Last active: 5 days ago - Tests: 3 - Portfolio: 3

    I am a Cisco/Microsoft Certified Network IT and excellent troubleshooter. I am expert in the field of computer and I can provide you any type of support like technical, printer, wifi setup support, software etc. I can also give you some suggestion about anything related to computers. I'm looking to be hired. I'm able to work on both Linux and Microsoft platforms. My other skills include Systems Administration of Windows server and troubleshooting. I'm ready to work on your projects today.

    $10.00 /hr
    1 hours
    5.00
  9. Tadas M.

    Tadas M.

    Windows | Linux | VMware | Certificated Engineer

    Lithuania - Last active: 1 month ago - Tests: 6 - Portfolio: 3

    Everything started when I was a kid. My parents bought me a computer and then they realized that my life will be related to IT. Now I am certified IT systems administrator. I have been working with complex IT infrastructures over 5 years. Professional skilled in: *Windows Servers; *Linux Based Servers (Ubuntu, CentOS); *VMware; *Hyper-V; *Microsoft Exchange Server; *Microsoft SQL Server; *Microsoft System Center products. Certifications: ✔MCSE Server Infrastructure; ✔MCSA Windows Server 2012; ✔VMware Certified Professional 5 – Data Center Virtualization (VCP5-DCV).

    $16.66 /hr
    1 hours
    4.95
  10. Aleksey K.

    Aleksey K.

    ITSM consultant, Project manager, SysAdm, C# dev, DBA

    Russia - Last active: 2 days ago - Tests: 3

    I've much experience in project management, system administration, DBA and software development. I took a part in ITSM process involvement at my previous and current job. I'm familiar with ITIL: I've implemented IncM, ChgM and CfgM in these companies, built service desk. I has skills of Manage Engine Service Desk and Omnitracker software. Also I professionally worked with Windows-based infrastructure (Windows Server 2003/2008/2012, Hyper-V, AD, GP, Exchange 2003/2007). I worked also with several generation of HP Proliant servers (DL, ML series oG3-G6 ) and I have work experience with Dell, Supermicro and Intel I worked SharePoint 2003/2007 about 6 years.

    $20.00 /hr
    7 hours
    5.00