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, 108 Windows Administration projects are completed every quarter on Upwork.

108

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 4.77.

4.77
Last updated: June 1, 2015
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  1. Vladimir Mott

    Vladimir Mott

    Microsoft Exchange, Lync, & PowerShell Expert

    United States - Last active: 5 hours ago - Tests: 3

    Ex-Microsoft Senior Consultant with 15 years industry experience designing, deploying, securing and managing Microsoft Exchange, Lync, and Active Directory. Deep experience with multi-site deployments, Exchange Database Availability Groups, Lync Enterprise Voice,and hybrid Microsoft Office 365 deployments with SSO. Complex migrations to/from Exchange, Lync, and Office 365 are my specialty. Very experienced with complex hybrid / coexistence scenarios that require directory synchronization, federation, and custom PowerShell scripting. Excellent communication and problem-solving skills. I am based in California, USA. Technical Skills: - Exchange 2003/2007/2010/2013 - Lync 2010/2013 with Enterprise Voice - PowerShell Scripting - Office 365 - Forefront Identity Manager (FIM) - Active Directory - Windows Server 2003/2008/2012 R2 - Hyper-V - ADSI, LDAP, DNS, SMTP, TCP/IP

    $75.00 /hr
    471 hours
    5.00
  2. Ulisses Righi

    Ulisses Righi

    Systems Administrator, SharePoint MCSE, Windows Server MCSA

    Brazil - Last active: 2 days ago - Tests: 12 - Portfolio: 5

    Hello! I am a systems administrator and SharePoint Expert with more than nine years of experience in the field. I have worked from start-ups to Fortune 500 companies supporting, managing and administering Microsoft Server products, including Exchange, SharePoint, Lync, Hyper-V and SQL Server. I am a Microsoft Certified Solutions Expert on SharePoint 2013 and a Microsoft Certified Solutions Associate on Windows Server 2012. For five years, I have administered and provided support to Exchange 2007 and 2010, Lync Server, SQL Server 2008 and 2012, Hyper-V, VMWare ESXi, BlackBerry Enterprise Server, Postfix and Apache. My interests are in cloud services and information management. I have also lead a small team on a very complex Lotus Notes to SharePoint 2007 migration project for one of the largest electrical companies in Brazil, which brought me experience on team management and software development. I'm looking forward to help companies achieve their goals through my expertise and excellent work ethic. If you want to have a look at my MCP Transcript, please access https://mcp.microsoft.com/Anonymous//Transcript/Validate and enter the following information: Transcript ID: 781542 Access Code: tsulissess

    $31.70 /hr
    47 hours
    5.00
  3. Jordan Dalton

    Jordan Dalton

    Laravel Expert | PHP | MySQL | CSS | jQuery

    United States - Last active: 5 hours ago - Tests: 2 - Portfolio: 1

    Since 2006 I have worked with local small business, government entities, and multi million dollar corporations, developing websites, web applications, as well as administering systems and networks. Over the past 8 years I have developed numerous skills that make me an all-around candidate to serve you. The following is a list of my software skills: • Frameworks: Laravel 3/4/5, Zend, and Codeigniter • Languages: PHP, Python, C#, and JavaScript • Databases: MySQL, SQL, and DB2 • Markups: HTML, HTML5, CSS, and CSS3 • Version Control: Git and Subversion • Shopping Carts: Magento and BigCommerce • APIs: PayPal, ASI Central, Twilio Here is a list of my systems/networking skills: • Spiceworks Help Desk Ticket System • Windows NT/2003/2008/2012 Servers • Exchange Server 2010 • SonicWall Firewall • ESET Node 32 Endpoint Protection • Symantec Brightmail Messaging Gateway • Cisco Routers • Cisco, Dell & HP Switches • Printers • Software Installation I pour out all of my passion into every single project. I truly want to see you succeed. Let me help take you, your company, your product/service to the next level.

    $55.56 /hr
    637 hours
    5.00
  4. Christopher Brower

    Christopher Brower

    Senior Network Architect

    United States - Last active: 6 days ago - Tests: 2

    • Active Directory Implementation and Administration • Application and OS Automated Deployment • Database Administrator – Microsoft SQL Server 2000 and 2005 • Desktop Engineer – Automation of OS And Application Deployment • Help Desk Support • Group Policy and User Policy Administration • IIS Administration 5, 6, & 7 • Phone Engineer – Designed and Implemented 80 Phone VOIP PBX System • Physical and Logics Network Infrastructure Design • Physical Security Design and Implementation – IP Camera and IP Access Control • Network Security Design and Implementation • Messaging Administrator – Microsoft Exchange Server 2003 • Technical Documentation and Training • Vendor Relations & Purchasing • Virtualization Engineer – Microsoft Virtual Server and VMware ESX Server • Web Services Administrator • Wireless Network Infrastructure Design and Implementation • Adware / Malware / Spyware / Virus Removal • Architect Solutions for Customer’s Needs • Digital Achieving and Electronic Records Management • Disaster Recovery • Email Administration • Hardware Diagnostic and Repairs • Helpdesk Services • Network Diagnostics & Installations • Network Wiring • Server Installations and Provisioning • Server Maintenance • Software Installations • Software Patching and Upgrades • Phone System Installation and Support • Physical Network Repairs

    $66.67 /hr
    96 hours
    4.50
  5. Corey M. Bobb

    Corey M. Bobb

    Network / Security Engineer - CISSP, CCNA-SEC, CCNA

    United States - Last active: 8 days ago - Tests: 6 - Portfolio: 1

    As a Network / Systems Engineer for the past 24 years, I can help troubleshoot most network issues on WAN / LAN with almost any network device vendor, administer Windows and Linux server environments from one small business office to large enterprises with multiple locations. As a security specialist in standards like PCI-DSS, HIPAA, NIST, ISO-27001(2), I can also help recommend and provide guidance to secure all aspects of data and network integrity, by providing assessments and audits of current environments. I also have excellent trouble isolation and resolution skills from a long history of working in the field, especially system and network engineering and administration. I look forward to helping you by using these skill sets to overcome any server or network task you should post. www.cmbnetworks.net Skills CISSP, PCI-DSS Compliance, HIPAA, PII Linux Server Engineering and Administration Windows Server Engineering and Administration Cisco Router, Switches and Firewalls Firewalls - Cisco, Juniper, SonicWall, Fortigate Engineered LAMP (+Java) for high volume e-commerce platform Engineered LAMP systems for 1500 node Linux / Windows network System Tuning for system performance and data optimization Apache Optimization, Website Security, Mod-Security, PHP VMWare / VSphere engineered production supplemental servers, Production, Development and QA Systems using complex Visualization (Citrix & VMWare) System administration and system tasks, scripts and management. MySQL / MSSQL DBA PMP

    $83.33 /hr
    597 hours
    4.95
  6. Hector Bravo

    Hector Bravo

    IT Expert - Project Manager - PMP, ITIL, VCP, MCSE, MCDBA, VoIP

    Panama - Last active: 29 days ago - Tests: 13

    Design, Plan, Implement and Support for: - Windows Azure / Amazon EC2 - Microsoft Lync - Microsoft Sharepoint - Microsoft Exchange - Microsoft SQL Server - Microsoft Active Directory, ADFS - Microsoft Dynamics CRM - Windows Server / Hyper-V - Microsoft ISA/TMG/UAG - Microsoft SSCM, SCVMM, DPM - Microsoft Office 365 - Voice Integration with Lync - VMWare vSphere / ESXi - VMWare Site Recovery Manager (SRM) - Veeam Backup & Replication

    Groups: Microsoft Certified Professionals

    $33.33 /hr
    930 hours
    4.56
  7. Andrew S.

    Andrew S.

    US-Based Microsoft and Citrix Systems Engineer

    United States - Last active: 1 month ago - Tests: 4

    I've been administering Microsoft-centric server infrastructure for the last 7 years, and have in-depth experience with design, deployment, repair and support of all Citrix, VMWare, RES, and many Microsoft technologies. My experiences range from server administration roles, specialized application support, desktop support, virtualization implementation and administration to advanced networking jobs. For the last three years I've also been working with Virtualization Consulting firms to design, build and support the following: -Citrix XenApp, XenDesktop, XenServer, NetScaler products -VMWare ESXi and View -RES Workspace Manager, Automation Manager, Orchestration/IT Store -Microsoft RDS, Server 2003-2012R2, Hyper-V I am confident I'll be a great asset to your project or organization, and look forward to working with you!

    $95.00 /hr
    470 hours
    4.93
  8. Fakhar Anwar

    Fakhar Anwar

    Freelance Project Manager / Software Engineer / Web Developer

    Pakistan - Last active: 18 days ago - Tests: 5 - Portfolio: 14

    I am seeking a challenging role to utilize my proven project management (Software design, development and deployment), software design and development(VISUAL BASIC.NET, VISUAL C#.NET, ASP.NET, SQL, AJAX, HTML5, CSS, jQuery, SMARTY, CodeIgnitor, RoR, AS 2.0, 3.0, Joomla, Wordpress, Drupal), system and network administration(SQL SERVER 2000, 2005, 2008, WINDOWS SERVER 2000, 2003, 2008) skills with devotion and responsibility to consciously contribute to the client’s satisfaction.

    $40.00 /hr
    243 hours
    4.99
  9. Mark Ritchie

    Mark Ritchie

    Senior Systems Admin, Network Admin

    Canada - Last active: 13 days ago - 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
    110 hours
    4.93
  10. Mladen Stefanov

    Mladen Stefanov

    Systems Architect/Administrator

    Bulgaria - Last active: 4 days ago - Tests: 9

    For 14 years dealing with IT technologies, I have gained wide range of experience and skills. Over the last 5 years I have specialized on providing following solutions for startup companies, small and enterprise businesses: • Responsible for high availability, continuity and transactional of the Production, Development, QA and Staging environments • Translating high-level requirements into low level system architecture • Understand and maintain at low level clients service propositions and requirements • Develop and implement DR, backup mechanisms and relevant procedures. • Develop and implement Clustered and fail-over infrastructures • Support of world-wide offices infrastructure and co-located infrastructure • Write and maintain procedures and policies. • Handle all issues reported by the clients I have worked with the following applications, operating systems and technologies: > Active Directory Domain, Certificate and Federation services > DB - MySQL/Oracle/MSSQL > OSes - SuSe/RHEL/Debian/Ubuntu/CentOS/Win2k3 /Win2k8 > Network equipment as Load Balancers, switches, FW, routers (Cisco ASA5510, DELL, Linksys, VoIP devices) > Virtualization (ESXi 3.5, 4.1, 5.1, XeN) > Claud services (AWS, DigitalOcean, RackSpace) > Storage SAN/NAS (EMC Celerra, EqualLogic, Synology Disk/Rackstation, PowerVault custom made storage servers ) > On-Line Storage block replication (DRBD) > Clusters and fail-over (Heartbeat, Pacemaker, Corosync) > Code review, Issue & Project Tracking software (JiRa/Confluence/Fisheye/Redmine) > Source code repositories (SVN,GiT) > VoIP (Asterisk PBX infrastructures) > Infrastructure monitoring (Zabbix, MRTG, custom scripts) My core competency lies in complete end-end develop and maintain of a infrastructure projects, and I am seeking opportunities to help by solving IT problems for you or your business.

    $33.33 /hr
    478 hours
    4.95