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. Ismet Dumlupinar

    Ismet Dumlupinar

    MCITP (System Administration), MCT, MCSA, MCSD: Web Applications

    Turkey - Last active: 1 day ago - Tests: 14 - Portfolio: 13

    Experienced System Specialist, MCSA/MCITP/MCSD. In-depth knowledge of business operations and Information Tecnology Systems, project management, enterprise system integrations and information security with over eight years with hands on experience as an Enterprise Administrator and Network Manager in Windows Server 2003 & Windows Server 2008 environments. Experience in hardware and software virtualization using VMware and Hyper-V and App-V. Practiced understanding Active Directory, Group Policies, NPS, NAP, Exchange, SQL Server, Dynamics CRM, ERP, PKI and DFS. Experience as a corporate Microsoft/Certification trainer at one of gold certified partners of Microsoft. Proficent in Server 2012 and 2008 (inc.Server Core edition), Hyper-V, 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 providing consulting services for web applications. I am a member of DotNetNuke Corp Internationalization Team and I'm working to expand product features to fully support Turkish localization. I am always looking for new opportunities to develop my skills. Check my Microsoft Profile below: https://www.mcpvirtualbusinesscard.com/VBCServer/idumlupinar/profile

    Groups: Microsoft Certified Professionals

    $75.00 /hr
    2,231 hours
    4.86
  2. Khizer Farooq

    Khizer Farooq

    Computer Systems and Network Engineer CCNA|MCSA|MCITP|OCP|ITIL|VMWARE

    Pakistan - Last active: 2 days ago - Tests: 13 - Portfolio: 12

    I have done Computer Systems Engineering, worked with different companies for three years and now starting to work as a full time Free Lancer. I have an extensive first hand experience of dealing with System Networks, Windows Servers ( 2003, 2008),2012 different vendors Internet management and security solutions ( Hardware and software) like Air Live 802.11G Internet Access Server, Sonicwall,WatchGuard , ISA 2006 server, GFI Web Monitor, HP Servers, Client and server OS. Other than professional experience I have done Worked in following virtualization software's VMware ESXi 5.0-5.5 Microsoft Hyper-V, Sun/Oracle Virtual Box. Other than professional experience I have done different International Certifications CCNA. MCITP Windows7 Enterprise MCSA Windows 7 MCTS. | Windows 7 MCTS. | Windows 8 PRO: Designing and Deploying Messaging Solutions with Microsoft Exchange Server 2010 OCP( Oracle Sun Solaris OS 10 System Administrator) ITIL Foundation. VTSP 5 I have successfully completed following projects, that were for IT Govt Sector and five star Hotel's Planning Designing and Establishing Network Infrastructure using Microsoft Operational Framework (MOF v 4.0),network consisted of 200+ clients and 20 + servers (HP Proliant ML-150, ML-350,Dell Power Edge 2900). Installation configuration and management of ISA Server 2006,Juniper SSG 5 working together, providing security solution for more than 100 static and 200+ dynamic clients. Automate the process for Management of Internet User Account for the users by Implementation of RADIUS Server In-house developed Software Application Up gradation of clients systems from Windows XP to Windows 7 . Up gradation of domain from Server 2003 to server 2008 Enterprise R2 .

    $44.44 /hr
    566 hours
    4.95
  3. Nallamala V.

    Nallamala V.

    Docker / AWS/ GCE/ Azure/ Linux/ LAMP / DevOps/ PostgreSQL/ Ansible

    India - Last active: 1 day ago - Tests: 4

    Docker & AWS & Azure & Google Compute Engine & Cloud and System administration & Production Support & Migrations & Cost Optimization & Security hardening & Performance Tuning & High availability & 24/7 detailed Monitoring & Automation & Continuous Integration & Chef & Ansible & Jenkins & LAMP & Shell Scripting EXCLUSIVE SERVICES: Docker, Ansible, Cloudformation CLOUD ASSESSMENT AND STRATGEY: Rapidly evaluate, define opportunities & the roadmap to move your IT to the Cloud. Create the optimal platform for building Systems of Engagement. I will help you develop your cloud strategy to ensure seamless and effortless migration of applications, platforms and infrastructure. DESIGN & IMPLEMENTATION Create high available and scalable architecture keeping the infrastructure and maintenance at cost at minimum. DATA CENTERS TO CLOUD MIGRATIONS (LIFT n SHIFT): Pre-migration readiness assessment. Services to seamlessly migrate your infrastructure to the cloud without any business downtime along with processes for security, backup and DR CLOUD AUTOMATION AND OPTIMIZATIONS Run your infrastructure with high efficiency by optimising and automating cloud deployments. Cost and Performance optimization. DEVOPS SERVICES Make use of industry best practices to automate the infrastructure provisioning, scaling , backup, monitoring, patch updates, code deployments TECHNOLOGY EXPERTISE: Public Clouds: AWS, Azure, Google Compute Engine Stack Migrations and Deployments: LAMP/LEMP( Wordpress, Drupal, Magento, Joomla etc), Java, RoR, .Net, Python(Django), Node.js OS Administration: Linux, Windows, Mac Web/App Servers Administration: Apache, Nginx, HAProxy, Tomcat, JBoss, IIS, Puma, Rails, Database Administration: MySQL, Postgres, SQL, Mongo, Cassandra Cache Mangament: CDN, Redis, Memcached, Varnish Automation Tools: Chef, Ansible, Jenkins, Docker Monitoring Tools: Nagios, Zabbix, NewRelic, Data Dog, Opsview Security: OpenVPN, Nessus, OSSEC Experience: Migrated 300+ Applications to AWS, Azure and GCE. Managed 10000+ VM instances in cloud. Migrated and Managed high popular applications to cloud. Designed highly scalable , available and secured architectures for popular e-commerce and Enterprise applications. Migrated and managed HIPAA complaint applications.

    $49.00 /hr
    2,518 hours
    4.81
  4. Vyacheslav D.

    Vyacheslav D.

    Microsoft Certified Professional: MCSE, MCSA, MCITP

    Ukraine - Last active: 5 days ago - Tests: 10 - Portfolio: 11

    My point - make all tasks with maximum effectiveness and less expenses. I have 10 years of hands-on experience as a system administrator/IT manager. Looking for interesting job / project(s). Able to work independently, but also is flexible team player with excellent communication and interpersonal skills. Skills and knowledge - Microsoft software/services = Microsoft Windows 2003/2008/2012 server products = Windows XP/Vista/7/8 desktops + mass-deployment tools/technologies = DHCP/DNS/FTP = DFS namespaces & replication = Active Directory planning, setup, maintenance and troubleshooting = Active Directory Federation Services = Terminal Services / Remote Desktop Services / RemoteApp = Group Policy = Access Control and Auditing setup = MS Exchange 2007/2010/2013 = MS Office 2003/2007/2010/2013/365 = MS SQL 2000/2005/2008 = Microsoft Hyper-V My MS certification: https://mcp.microsoft.com/Anonymous//Transcript/Validate Transcript ID 982200 Access Code Prima753

    Groups: Microsoft Certified Professionals

    $33.33 /hr
    364 hours
    4.99
  5. Aaron H.

    Aaron H.

    Cisco UC Specialist/Expert - 10 Year CCIE

    United Kingdom - Last active: 1 day ago - Tests: 3 - Portfolio: 2

    A specialist in the full range of Cisco Unified Communications with full CCIE Voice qualification dating back 10 years, and over 15 years experience in IT primarily as a Cisco Channel Partner lead engineer in the UK. Strong design, deployment, administration, development and troubleshooting skills in: Communications Manager (CUCM/CallManager from version 3.1 to 10.5) Communications Manager Express Voice Gateways (TDM, Analog), CUBE/SIP, H.323 Contact Centre Express (UCCX/IPCC Express) Scripting, Deployment and Custom Reporting with Historical Reporting Client (HRC) and Cisco Unified Intelligence Center (CUIC) Presence/Jabber, Unity (Voicemail, Unified Messaging) Cisco UCS and VMware Unified Attendant Consoles (CUBAC, CUDAC, CUEAC, Attendant Console Advanced/Standard, and ARC Premium) I also have extensive networking experience, as well as significant experience with Microsoft Windows Server/Exchange and associated technologies and products. I have development skills in Java, MS SQL and Informix and various other scripting and programming languages such as PowerShell. I have experience with many Cisco-specific APIs especially with UCCX and CUCM.

    $88.89 /hr
    156 hours
    5.00
  6. Oleksandr N.

    Oleksandr N.

    Senior System Administrator, Security officer, Migration engineer, SSD

    Ukraine - Last active: 2 days ago - Tests: 20 - Portfolio: 16

    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).

    $34.88 /hr
    1,225 hours
    5.00
  7. Jimy J.

    Jimy J. Agency Contractor

    ServerOptimization, AWS, Cloud, AutoScaling, RubyRails,Jira, MySQL

    India - Last active: 1 day ago - Tests: 9 - Portfolio: 5

    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.

    Groups: Red Hat Certified

    Associated with: NixHat Solutions

    $50.00 /hr
    1,952 hours
    5.00
  8. Jose Arteaga

    Jose Arteaga

    Cisco Telecommunications Engineer - Powering productivity through Comm

    Venezuela - Last active: 2 months ago - Tests: 6

    Who I am... Network Engineer with 5+ years of experience working with a variety of technologies from different vendor like Cisco, VMware, Microsoft, Watchguard, Barracuda, etc. I had designed and implemented networks from scratch starting on the infrastructure (Routing and Switching), Security and finally the Applications (Unified Communications and Collaboration). My Mission... I specialized on designing and implementing network solutions for small, medium and large businesses in many different vertical markets like the oil and gas industry, banking, food and beverages industry and others. I had achieved customer satisfaction 100% of the time and exceeded their expectations while staying on-budget, meeting deadlines and finding new business opportunities inside the company and the customers. Always looking for the biggest challenges that help me excel myself not only in the networking field, but also in the business management side of the company making myself an integral and interdisciplinary engineer capable of achieving the impossible.

    $50.00 /hr
    257 hours
    4.97
  9. Mark Ritchie

    Mark Ritchie

    Senior Systems Admin, Network Admin

    Canada - Last active: 11/25/2014 - Tests: 4 - Portfolio: 1

    An IT Professional with over 15 years hands on experience on Systems, Servers and VMWare administration. Specialties: 1. Windows Server 2008 2. Microsoft Exchange Server 5.5, 2003, 2007, 2010, 2013 3. Anti-virus/Malware removal 4. Active Directory, DNS, DHCP, File Services, DFS, WSUS administration and troubleshooting 5. Network configuration(tcp-ip/cisco ios/monitoring) 6. Symanted Backupexec, Acronis, Appassure Replay 7. VPN and Remote access 8. Disaster Recovery, from bare metal restores, to VMware rebuilds

    $55.56 /hr
    102 hours
    4.93
  10. Fernando Filipe

    Fernando Filipe

    Microsoft Systems Engineer - 14 Years Experience

    Australia - Last active: 3 months ago - Tests: 4

    I am an IT professional with 14 years experience in the IT industry, supporting a broad range of products. My expertise focuses around the administration and support of Miscrosft products such Systems Centre suite (SCCM, SCOM), Exchange 5.5 - 2010, Server 2000-2012, SQL 2005-2008, Forefront and many more. In the past year I have heavily concentrated on projects to Design and Implement SCCM 2012 and SCOM 2012. I now seek opportunities to further my skills. I look forward to new challenges and projects to push me to learn and develop my knowledge even further.

    $44.44 /hr
    403 hours
    5.00