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).

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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. Aleksei Zaitsev

    Aleksei Zaitsev

    Make it simple

    Estonia - Last active: 04/12/2014 - Tests: 2

    I strive to work with each client to meet their needs and provide a high level of service. I consider communication, adaptability and problem solving to be particularly important in these jobs and will provide this along with our years of experience and expertise in this field. Skills: Amazon Web Services Debian/Centos/Ubuntu Linux Nginx/Apache2 servers Simple security protection VMWare / Citrix / HyperV / OpenNebula / ProxMox virtualization Active Directory / Group Policy VPN/Firewall / DNS / DHCP Server Monitoring / Backup Terminal Server XP, Vista, 7 Desktop Configuration and Support Scripts: WordPress, Joomla, Magento, OpenCart, X-Cart, FluxBB, TextPattern

    $20.00 /hr
    16 hours
    5.00
  2. Andrei V.

    Andrei V.

    Sysadmin

    Romania - Last active: 2 months ago - Tests: 8

    I have been administering a few networks for the last 7 years. The main networks are based on windows machines with a win server AD and linux/bds based servers that deliver network storage,backups,links connecting different offices, to the windows machines. I rely on open source as much as possible because of the inherit security and flexibility that these kind of solutions offer.

    $25.00 /hr
    114 hours
    5.00
  3. Dmitry S.

    Dmitry S.

    Server Administrator

    United States - Last active: 10/16/2014 - Tests: 1

    Hi, My name is Dmitrii Savin (you can call me Dima). I believe my strong points are my Creativeness and Punctuality. My #1 goal will always be to meet your needs and deadline. When working on a new project, I like to speak with the client, so that I can have a clear understanding of his/her needs and vision of the project. I'm honest and fair. Since 2007 till 2011, I was IT support engineer in biggest scientific library in eastern part of Russia. I start working as system administrator since 2010, after getting enough experience in linux system administration. In 2011, headhunter from TechnoNICOL company hired me for System Architector and Administrator role. In this role I was responsible for all company's IT systems in 12 branches (each in different city). Also I was organizing an outsource companies to realize projects in branches. So, I was an Manager, System Architect and Administrator in one. It was a huge load but great experience, with great team. Please feel free to ask any questions. Thank you in advance for your time and consideration. I look forward to working with you soon. I have a Bachelors in IT technologies of economics Siberian Academy of Law, Economics and Management, in Russia. Listed below are my experience and skills. - Linux maintanance; - xBSD maintanance; - Windows servers maintanance; - Web servers: apache, nginx; - Mail servers: postfix, sendmail. Antispam and antivirus; - Zabbix monitoring; - DataBases: mysql, postgresql; - Services: DHCP, DNS, Print management, Terminal server, DFS, VPN; - Active Directory: planning, migration, deployment, setup, administration. As project manager I am highly organized and good multi-tasker with skills of communication and negotiation. Have enough skills to be detail oriented and have possibilities to find and solve problem quickly.

    $15.00 /hr
    20 hours
    5.00
  4. Gilbert W.

    Gilbert W.

    Consulting / Delphi / Mechatronics / Software / Hardware

    Austria - Last active: 4 months ago - Tests: 8

    Skilled and experienced R&D Mechatronics developer & IT manager Please also check my LinkedIn profile: http://th.linkedin.com/in/gilbertwaitz/ Over 35 years of commercial and academic experience, skilled in performing electrical, electronics, mechanical design, installation, maintenance and repairs as well as in software development for micro controllers and PC; leading developments from the idea to industrial production; and excel in analyzing and solving problems with various mechatronics systems Key Results – Design, manufacturing and installation of a pneumatic windshield manipulator – Design and building of production machinery – Maintaining CNC milling & CNC lathe and plasma cutter system – Upgrade and improvement of our car intercom system – Development and building a gantry system & cutting control system (6.5x3m) using a fiber laser with 2kW – Design and building of oxygen cutter – Research and development of heavy machines –development of special car cabins and parts – Design, installation and maintenance of the company IT equipment, VoIP etc – Planning, installation and maintenance of the company Linux server Prepare own lecture in mechatronics, micro controller and robotics for under graduated students at King Mongkut University of Technology North Bangkok – Research in robot navigation in unknown environment and robot locomotion – Guide our students with their diploma or bachelor mechatronics based projects (Robotic, conveyor, warehouse system, SCADA, and some other) – Research in alternate energy in special thermal solar energy Information Technology Manager Expert in Enterprise IT & Security Management Specialist in heterogeneous networks, integration of data networks, VoIP data, CCTV data via LAN, WAN and wireless technology. Planning, deploying and maintaining standard and non-standard IT technology. Technology Summary Security Technologies: Retina Network Security Scanner; SSH; SSL; Digital Certificates; Anti-Virus Tools (Norton, Symantec, Ghost, etc.) Systems: Unix-Based Systems (Linux, BSD); Windows (all), Novell Networking: LANs, WANs, VPNs, Routers, Firewalls, TCP/IP, VoIP, P2P Software: MS Office (Word, Excel, Outlook, Access, PowerPoint), SolidWorks, AutoCAD, etc.

    $33.33 /hr
    537 hours
    4.00
  5. Anastasiya F.

    Anastasiya F.

    Software Tester, QA Analyst, Translator English-Russian

    Germany - Last active: 11/29/2012 - Tests: 5

    6 years experience in Software Testing. About 2 years of experience in Test Leading and Management. Participation in different kind of test activities: Test Planning, Test Design, Issue Management, Functional Testing (Manual), System Verification Testing (Long-Run Scenarios), Accessibility testing, some experience with Performance and Automated Testing, good practical experience in Estimations and Test Tracking. Good experience in communication with Customer and Colleagues, working in multi-cultural environment. Also participated in small project where one tester is responsible for all test activities. Practical usage of such test and bug tracking tools like IBM Rational Clear Quest, Manual Tester, Mercury Quality Center and Jira. Good knowledge and experience in MS Windows (different distributions, starting from Windows 2000 and up to Windows 2008 R2 family), some practical experience in Linux, IBM AIX, SUN Solaris and HP-UX, familiar (more theoretically) with zOS, also participated in project testing mobile application. I am looking for a part-time job in area of Software Testing for different application (standalone, desktop apps, Web-apps, etc).

    $15.56 /hr
    276 hours
    5.00
  6. Michael Bolland

    Michael Bolland

    Technical Support, Software Development and Graphic Design, Web

    United Kingdom - Last active: 09/26/2013 - Tests: 4

    Recently departed technical support in the food industry to expand on our FreshInc brand. We are currently focused on implementation and aftercare/technical support services. We seek to build our connections and increase work through referral and pick up the hot new technologies on the way. Along side this we are developing our community and online gaming services for desktops (windows) and mobile applications (.net) as well as our well established web development division.

    $11.11 /hr
    26 hours
    5.00
  7. Yasir Khan

    Yasir Khan

    Network Professional

    Pakistan - Last active: 10/02/2014 - Tests: 5 - Portfolio: 3

    Seeking valuable name in IT Field using my skills and knowledge in IT. Currently I have vast experience in System Administration (Windows NT Domain Network, Email Messaging, Internet Services, Web Publishing Services, Anti virus security, Data information security, Data Backup and recovery services), Network Administration (CISCO Structured networking, Routing & Switching, Designing fully converged and flexible OSPF/ EIGRP/ RIP data network, CISCO Communication Manager/ Asterisk Voice over IP network, Network Security firewalls, VPNs, IPS), Helpdesk Management (iTIL based helpdesk management policies, SOPs, Support desk team management, Helpdesk Management reports, team management services).

    $16.67 /hr
    22 hours
    5.00
  8. Ron Nunes

    Ron Nunes

    Network Specialist, Freelance Writer

    United States - Last active: 09/02/2013 - Tests: 4 - Portfolio: 4

    Over 4 years experience in the design, installation, configuration, and troubleshooting of networks and their associated components.Over two years experience working with different Server environments, including mostly Windows, but also Linux and Mac. While my primary focus and training has been Cisco and Windows Server centric, I have an interest in most forms information systems. I've used and/or administered a very wide variety of devices and software I pretty much live and breathe computer networking; it comes naturally to me and always has, I really enjoy the work I do and do my best to provide the highest quality of service that I can to my clients. I am mostly seeking opportunities to utilize my networking or server administration skills for you or your business. -------------------------------------------------------------- I am also a writer, and have written hundreds of short stories and a few articles. I am also looking to expand my repertoire as a writer as well, and am also available to ghost write and write articles as well. I focus on a wide variety of genre's, but my forte is science-fiction, fantasy, or romance. I am willing to write in any genre if the concept is intriguing enough.

    $11.11 /hr
    23 hours
    5.00
  9. Martin Lorenzo

    Martin Lorenzo

    System/Network/Database Administrator

    Philippines - Last active: 4 months ago - Tests: 4

    - Other IT companies have different IT departments for every role (Network , Systems and databases), In our department those three role is just performed by a single employee, Despite of having additional tasks, He still able to strong performance on his duties as a Network/System/Database administrator not just with internal clients but now on external client as well. Provided technical consultation/ideas when it comes to network/database/system administration to various club excelente members, COC and Outsourcing Seniors. Always making himself available during weekends, holidays and late night support to all internal clients (Office based projects). Implemented various system for IT department requirement and internal/external client needs. (SMTP server, Reverse Proxy, Service Desk tool etc,) Perform different key initiative on INDRA PH System/Network Architecture to make it more stable, lessen the incidents and provide good/quality service. (Wifi upgrade, VMware server optimization, database optimization, Proxy server/firewall optimization etc) -Conducted sharing knowledge sessions to his teammates to strengthen the team knowledge and capability in solving simple to complex daily IT issues. Due to his initative the team's technical knowledge increased and confidence boosted up. Issues were resolved quickly as they are now equipped with the right knowledge and skills. - Make himself available to conduct numerous technical interview for various technical expertise database admin, network admin and system admin. Passing applicant were deployed to different Indra Philippines client like Meralco, smart and globe. Despite of having this as an additional task, he still able to complete his daily task and at the same time helping the recruitment team in sourcing new talents. - IT became the training ground of newly hired and not so new employee. He provided theoretical and practical training to the employees to gain knowledge and skills in handling different databases and systems. Instead of hiring a trainer, Martin was able to provide the training and it result to a client satisfaction since one of his disciples is commended for showing good work and ethics. - IT is now starting to generate profit for the company. A network assessment project was given to Indra PH by Takasago PH. Martin did not hesitate to do the project and It resulted to a satisfied client and another project was given to us the network rehabilitation project and also another possible project will be given to us once the rehab project completed. Based with our job description and scope, we should only support internal clients, but now we were able to deliver on External client and produce profit - Supporting out Indra's client by providing "out of scope" technical support/consultation. Even if the implemented system was already handed over to the counterparts. He still shows willingness to help to resolve critical issues and provide comprehensive consultation for the system enhancement which result to client satisfaction. - being considered as the point person for technical consultation/support for implementation of a servicedesk tool (OTRS), Done numerous implementation on internal/external clients and POC. Example are EDC, Bayad Center and internal clients are MWC operation, Finance, Admin and HR (rewards). EDC already bought a new tool almost a year ago, but sill EDC is using the tool and still seeks out his expertise in using the tool. Finance and Admin uses the tool to monitor task and seek their clients comment and suggestion thru the OTRS Survey Module. The tool helps every department to lessen missed task, measures individual achievement etc.

    $16.67 /hr
    17 hours
    5.00
  10. Jose G.

    Jose G.

    Technitian

    El Salvador - Last active: 08/13/2014 - Tests: 10

    More than 5 years of Call Center experience over phone,email and chat (tech support, customer service and sales). -IT Helpdesk -Network Administrator -Internet Technical Support -Quality Assurance -Sales Team Coach Other skills: -Native Spanish speaker. -4th module for the Cisco CCNA Certification. -Computer engineering university studies. -Dale Carnegie training. -80 Wpm.

    $10.00 /hr
    300 hours
    5.00