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. Krishna prabha M.

    Krishna prabha M.

    14+ yrs, MCSE, LYNC, SCOM, SCCM, VMM, DPM, HyperV, AD, Exchange, O365

    India - Last active: 13 hours ago - Tests: 2

    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

    $33.33 /hr
    3,991 hours
    4.91
  2. Brad R.

    Brad R.

    MCITP, MCSE, Virtualization, Network Engineer/Mangr, Writer

    United States - Last active: 16 days ago - Tests: 3 - Portfolio: 1

    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

    Groups: Microsoft Certified Professionals

    $34.94 /hr
    1,818 hours
    4.96
  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
    2,599 hours
    4.81
  4. Hector Bravo

    Hector Bravo

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

    Panama - Last active: 24 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
  5. Aaron H.

    Aaron H.

    Cisco UC Specialist/Expert - 10 Year CCIE

    United Kingdom - Last active: 4 days 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
    169 hours
    5.00
  6. Vladimir Mott

    Vladimir Mott

    Microsoft Exchange, Lync, & PowerShell Expert

    United States - Last active: 1 day 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
    414 hours
    5.00
  7. Volodymyr P.

    Volodymyr P.

    System and network administrator

    Ukraine - Last active: 1 day ago - Tests: 11

    I am system administrator with 15 years experience. Over the last 6 years I manage RHEL and Debian servers. I am part time freelancer since 2012. My core competency is Redhat and Debian family linux. I have experience in general system administration, mail servers, VPN, VOIP, LAMP, virtualization. Also I have experience in FreeBSD, Windows server and workstation support, network planning and management, Cisco routers and switches, QOS, I am familiar with ITIL, incident management, business continuity planning.

    $50.00 /hr
    635 hours
    4.92
  8. Corey M. Bobb

    Corey M. Bobb

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

    United States - Last active: 3 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
  9. Waqas M.

    Waqas M.

    Expert Sr.Network/Systems Engineer CCNA , JNICA-EX ,JNCIA-ER , CISSP

    United Arab Emirates - Last active: 5 days ago - Tests: 2 - Portfolio: 1

    I am looking for projects that I can complete on a part-time /full time basis. They can be either short term projects or long term projects. I can also provide ongoing consulting and administration if needed. I bring to the table a broad base of networking/system infrastructure design and operations skills withh touch of Software Management . My current focus for my oDesk clients has been implementation and support for • Routers: GSR 12006, 7600, 7200, 3800, 2800, 2900. • Switches: 6800, 6500, 4500, 4900, 3700, 3600, 2900, CE-500. • Load Balancers: Cisco ACE and Barracuda Load Balancer 440. • Firewalls and Security: Fortigate 300C, Fortigate 800 & 800C , Sonic Wall, Microsoft ISA , FWSM ,Cisco ASA 5500 series .Barracuda WAF, Sourcefire IPS, Cisco NAC, Cisco MARS, Entrasys NAC, Lumension . • Network Monitoring Software: Cisco LMS, Solarwinds, OPmanager. • Microsoft technologies: 2008 Active Directory, 2003 Active Directory, Microsoft DNS and DHCP, Microsoft clustering, IIS 6.0, 7.0 and 7.5. • Linux Technologies: NIS, NFS, Clustering, DNS, DHCP, Firewall. • OS: Linux 5.3, Linux 6.3, Win 2003, Win 2008., Ubuntu , CentOS Fedora • Programming Language: Java ,C++, C#, JSP,ASP ,PHP and .Net. • Servers: IBM Blade Center (HS22) IBM M4 (x3750, x3650). • Others: Office , Paper Cut , CYGWIN, OPEN VPN , OPENSWAN , Cloud computing(Azure). if you have a project that fits the bill, I would truly appreciate your consideration.

    $33.33 /hr
    78 hours
    4.99
  10. Sergii K.

    Sergii K.

    .Net/Java Developer | IT PRO

    Ukraine - Last active: 1 month ago - Tests: 8 - Portfolio: 3

    ★★★★★ Top .Net Developer ★★★★★ I am highly skilled developer in .Net stack of technologies with strong network/server administration experience which allow to build full and the best solution depending on customer requirements. I am one who says ‘I am glad I did’ rather than one who says ‘I wish I had’ on top of all my experiences with cut-edge technology. My skill-set: : Back-end: ✔ Java : Java EE, JCF, Multithreading, JDBC, Spring MVC, Hibernate ✔.Net : C#, ADO.NET/Entity Framework, ASP.NET MVC, RESTful API ✔ Grails / Groovy Front-end: ✔ HTML, CSS/Bootstrap ✔ JavaScript/JQuery/AngularJs Hosting: ✔ Windows Azure, GlassFish. IIS, Tomcat Additional background : ✔ Server technologies / AD DS, DNS, Hyper-V, IIS, DHCP, VPN, PowerShell. ✔ Computer science, Artificial Neural Networks, common math and physics. I hope own my company in future. Therefore I look forward to long-term relationship for projects from scratch/"have only specifications" stages.

    $40.00 /hr
    39 hours
    4.95