Windows System Administrators & Experts

Showing 1,168 freelancers

Windows System Administrators & Experts

Showing 1,168 freelancers

Get Your Windows Administration Project Started Today!

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

Windows Administration Job Cost Overview

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

oDesk Windows Administration Jobs Completed Quarterly

On average, 86 Windows Administration projects are completed every quarter on oDesk.

86

Time to Complete oDesk Windows Administration Jobs

Time needed to complete a Windows Administration project on oDesk.

Average Windows Administration Freelancer Feedback Score

Windows Administration oDesk freelancers typically receive a client rating of 4.76.

4.76

Last updated: March 1, 2015

  • Certified System Administrator for IT Network Infrastructure

    I am very ambitious, hard-working, and easy to working charismatic Certified System Administrator for IT Network Infrastructure with English for Business: Upper Intermediate certificate. I have 3+ year experience with Linux and MS Server R1 and R2 type of servers … more

    I am very ambitious, hard-working, and easy to working charismatic Certified System Administrator for IT Network Infrastructure with English for Business: Upper Intermediate certificate. I have 3+ year experience with Linux and MS Server R1 and R2 type of servers administration, as well as huge experience handling of Customer Support and Help Desk Specialist Level 2 and 3 skills. I am here to find full-time job, and start making an outstanding freelancing career with 5 star feedback- gaining it by impressing my superiors and working hard for a decent income. - I am type of person that is always ready to work, ready to give knowledge gained at ITAcademy at department of System Administration, implement my high proficiency level of English speaking it fluently, and as you can see writing it very neat and grammatically right. So, all this wrapped in into my profile, plus huge ambition to find the right job as soon as possible; being loyal, hardworking and professional worker; within fluent speaking English being detailed and goal oriented is something that I can offer and something that you can't make mistake with!  less

    customer-support helpdesk-support network-administration linux-system-administration lamp-administration xmpp windows-administration windows-7-administration windows-xp-administration english 00 more less
    • $7.00 HOURLY RATE
    • 5.0
    • 5 HOURS
    • SERBIA
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 4 TESTS
  • Windows and Linux Server / Network Administrator with Cloud Experience

    I'm a system administrator with over 9 years' experience in Linux RedHat/CentOS, Ubuntu/Debian, Amazon Linux, Database Administration (PostgreSQL, MySQL), Network Administration. I'm an expert in creating Highly available/High loaded systems with full automation by Puppet … more

    I'm a system administrator with over 9 years' experience in Linux RedHat/CentOS, Ubuntu/Debian, Amazon Linux, Database Administration (PostgreSQL, MySQL), Network Administration. I'm an expert in creating Highly available/High loaded systems with full automation by Puppet/Chef/Ansible/Capistrano. I have extensive server and database knowledge, and excellent troubleshooting & analysis abilities. Strong leadership and communication skills. Last 7 years I have engaged in system administration using Apache2, Nginx, PHP, Ruby, Python, MySQL and PostgreSQL including sites for startup companies and small businesses. Extensive experience in the deployment of sites and projects of varying complexity, and I am seeking opportunities help you to build your business. For the last 7 years I have been handling systems administration using Apache2, Nginx, PHP, Perl, Python, MySQL and PostgreSQL, including websites for start-up companies and for small businesses. I possess extensive experience in the deployment of websites and with projects of vast complexity, and I am seeking new opportunities. I will do my best to help you build your business. I have great experience in: ✔ Linux maintenance/troubleshooting: Debian, CentOS, Ubuntu, RHEL (RedHat), Gentoo, ✔ Apache2 + Nginx, Nginx + PHP-fpm, Nginx + PHP-fastcgi, Lighttpd, LiteStep, MySQL, PostgreSQL, MongoDB, Redis, Varnish, Memcached, ✔ Linux serverside: iptables, rsync, fail2ban, bind, OpenVPN, ✔ Mail server: Exim, Postfix, Sendmail, Dovecot, Courier, ✔ CloudHosting: Digitalocean, RackSpace, Amazon (e.g. EC2, AWS, S3), Linode, GoDaddy, ✔ Hosting providers: Softlayer, Hetzner, ✔ Backup/Migration, ✔ Hosting panels: Plesk, WHM\cPanel, ISP, DirectAdmin, Virtualmin, ✔ Virtualization: Xen, KVM, OpenVZ, Proxmox, ✔ Monitoring: Zabbix, Munin, Cacti, Nagios, OpManager, ✔ High-Ability: Linux-HA (Heartbeat, Peacemaker), ✔ CMS: Wordpress, Drupal, Magento, Joomla, Prestashop My motto: Dependability and quality of service.  less

    plesk cpanel whm postgresql php mysql fedora ubuntu computer-networking network-administration database-management database-administration linux-system-administration lamp-administration amazon-ec2 ssh ftp wordpress google-analytics iptables sendmail qmail postfix nginx lighttpd apache-administration css ajax html dns affiliate-marketing msn-adcenter sem mail-server-implementation bash windows-administration centos windows-xp-administration google-apps manual-testing software-testing user-acceptance-testing black-box-testing performance-testing functional-testing penetration-testing database-testing regression-testing load-testing usability-testing test-driven-development ab-testing automated-testing google-adsense administrative-support trac subversion github memcached openvpn bgp amazon-web-services rackspace-cloudservers amazon-s3 amazon-rds nagios munin cisco-routers cisco-voip 00 more less
    • $40.00 HOURLY RATE
    • 4.7
    • 219 HOURS
    • POLAND
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 20 TESTS
    GROUPS:
    ASSOCIATED WITH:
  • Amazon EC2, AWS,Applogic, Linux, Software Developmen, DevOps, Security

    My objective is to provide stable, scalable & secure solutions to challenging technical problems and thus help business and the lives of people.Proactive, goal oriented individual with through knowledge in the areas of software design and development, security, NMS / EMS … more

    My objective is to provide stable, scalable & secure solutions to challenging technical problems and thus help business and the lives of people.Proactive, goal oriented individual with through knowledge in the areas of software design and development, security, NMS / EMS, Cloud computing & exceptional UNIX skills. Worked on Alcatel-Lucent's Network Management Systems (NMS) and Element Management System (EMS) for telecommunication and networking domains. I was involved in development activities, network & application security, Java/JVM Performance Tuning, Design of geographically separated high availability systems, RADIUS, Backup Solutions (Veritas NetBackup) I love working with high availability systems, social networks and solving network / cyber security issues. My areas of interest :NMS,EMS,Java, SNMP, MPLS (Alcatel 7750, 7210 routers), USDS (HLR solution), 5620 SAM (Alcatel-Lucent Service Aware Manager), ClearCase, XML, RADIUS (Vital Vital Identity server, VitalAAA), Veritas NetBackup, Veritas Cluster Server, SunStoreEdge (Sun high availability suite), OSS, NBI, Alarm Management & Queuing - X.733, J2EE (BES/JBoss), Apache, Bash scripting, C, PHP, SunSolaris (5.6 - 10), Versant (OODB) and MySQL databases, Nessus, master expertise in GNU/Linux, Amazon EC2, ELB, EBS, S3 - both infrastructure & programming, LAMP (Linux, Apache, Mysql, PHP), PostgreSQL, Java, Scala, Python, Groovy, Grails, PHP, Perl, JSP, RoR, Djagno applications - support and development, CMS (Joomla, wordpress, Drupal), e-commerce (Prestashop) systems, SEM software, VoIP, WOWZA streaming , cPanel, WHM, server administration etc  less

    java php linux-system-administration windows-administration amazon-web-services amazon-s3 javascript ajax phonegap jquery-mobile ruby-on-rails drupal python cakephp postgresql mysql mongodb perl network-administration wowza-media-server mailchimp payment-gateway-integration web-scraping google-maps-api api-development 00 more less
    • $44.44 HOURLY RATE
    • 4.4
    • 2229 HOURS
    • INDIA
    • LAST ACTIVE
    • 10 PORTFOLIO ITEMS
    • 8 TESTS
    GROUPS:
    ASSOCIATED WITH:
  • Linux Sysadmin/Asterisk,Openser,Kamailio,Opensips developer/CISCO exp

    Speed and quality are my second and third names Escrow on start, released upon completion, no exceptions! I don't stop until your project is done. I don't want to be involved in projects promoting porn, aggressive marketing, spamming … more

    Speed and quality are my second and third names Escrow on start, released upon completion, no exceptions! I don't stop until your project is done. I don't want to be involved in projects promoting porn, aggressive marketing, spamming, etc! I've lost count of the number of VoIP/Linux/Cisco installs and upgrades and modifications I've carried out. I'm also a developer member of various VoIP projects so I'm able to offer much more value and choice in all areas of VoIP eg. custom Asterisk modules, modifying Openser(Kamailio) or Asterisk's source code to make custom features, etc. I am not one of the many bidders who bid for everything with a generic sales pitch. I specialize in VoiP/Cisco/Linux only and do not work with anything else. I also support all my work for 6 months after completion in case of upgrades etc. for a low price. Summary - 13-year experience with VoIP engineering, over 13 years with IP networks - Certified Cisco Network Administrator - Hands-on with VoIP and telecom equipment, standards and technologies - Wide range of successfully deployed VoIP services and applications - Strengths in implementation of complex projects paying attention to details - Creative problem solver, high degree of initiative - Analytical skills to examine data and provide the most efficient solution Technical Expertise Signaling protocols: SIP, H.323, MGCP, ISDN, SS7,R2 Soft-Switches: Nextone MSW, Cisco PGW, OpenSER, Teles TDM switches: Lucent LCS/Plexus, Harris VoIP gateways: Cisco AS-series, Quintum Tenor/CMS, Patton SIP phones: Cisco, Grandstream, Sipura, Snom, Asterisk Voice applications: Wholesale, ITSP, calling card, call shop, IVR, PBX, pre/post-paid billing, Asterisk2Billing, IP trunking, VoIP load balancing, voip bandwidth saving, custom C++ coding for Asterisk, Opensips, custom Asterisk and OpenSER/Kamailio/OpenSIPS modifications, Sipwise SPCE configs, OpenVox and Digium cards installation and configuration, fax to email, email to fax solutions, fax over ip IP networking: LAN/WAN connectivity, QoS, ATM/DSL, Cisco Routers (800, 1600, 2500, 2600, 3600, 6500/MSFC, 7200, 12000) and Switches (2900, 3500, 4000, 6500). Protocols: IP (Unicast and Multicast), BGP, EIGRP, OSPF. SONET/SDH (on an International network up to OC48/STM-16, including DWDM) - Cisco ONS15454. Leased lines (Kilostream, E1, E2, E3, T1, T3) Unix technologies: -Extensive knowledge and understanding of the various flavors of UNIX including: Debian, IRIX 5.2 - 6.4, Sun Solaris 2.x, HP-UX 8.x-9.x, Dec Ultrix 4.x, NetBSD, FreeBSD, AIX, Convex, OSF, Linux Suse 6.x - 7.1/Redhat 7.x - Enterprise - System installation, configuration, tuning and patching, accounting, security, monitoring, performance analysis device drivers, kernel configuration & patching, policy and politics - SLIP/PPP, LPD, LDAP, UUCP, RPC, BOOTD, SWAP, DHCP, DNS, INETD, NFS/NFS+, NIS, SH, BASH, KORN, REGEX, AWK, SUID, CRON, SYSLOG, etc. VoIP: Asterisk, Switchvox,OpenSER, Kamailio,OpenSIPS,TrixBox, FreePBX, Vicidial, Switchvox, A2Billing, Cisco Call Manager, Portaswitch and so on... - Architecture of high-load web-projects - Work in distributed development and operations teams including 24/7 on call duty - MySQL database administration (replication clusters, scalability techniques, optimization, backup) - All kinds of systems and networks administration (configuration management, automatic provisioning, load-balancing, load-distribution, high-availability clustering) Familiar in cloud development with using Openstack, Puppet, Razor and Cobbler. As you can see, I can do pretty much anything in VoIP, Cisco and Linux :) I have a positive attitude toward change and learning - I'm ready at anytime to suggest new ideas to get your project done creatively! You may also find us at http://voipfreak.net  less

    linux-system-administration asterisk opensips java windows-administration clustering nginx openvz mysql load-balancing freeswitch virtualization fax twilio-api nagios android-app-development freepbx radius puppet-administration 00 more less
    • $72.22 HOURLY RATE
    • 4.6
    • 41 HOURS
    • HUNGARY
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 1 TEST
    GROUPS:
  • Excel Expert 36th Rank on oDesk with 97 out of 100 in Excel

    I am an India-based freelancer. I love to work with data. I have 8 years experience as a data analyst. I am a Microsoft Excel expert.

    vba html ajax javascript wordpress project-management web-design data-entry database-modeling data-scraping data-analysis virtual-assistant administrative-support ecommerce-consulting internet-research google-docs google-spreadsheet windows-administration 00 more less
    • $11.11 HOURLY RATE
    • 4.5
    • 576 HOURS
    • INDIA
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 7 TESTS
    GROUPS:
    ASSOCIATED WITH:
  • Web development, Internet Marketing and IT specialist

    9+ Years in hand experience in all software and web development technologies. Well versed with the concept of .Net Technology using C# Language in Windows; Silverlight and Web Applications, HTML, CSS, jquery, JavaScript, Entity Framework 5.0, Unified communication managed … more

    9+ Years in hand experience in all software and web development technologies. Well versed with the concept of .Net Technology using C# Language in Windows; Silverlight and Web Applications, HTML, CSS, jquery, JavaScript, Entity Framework 5.0, Unified communication managed API, Unified communication Web API, Web API, MVC 4, Object relational Mapping (LLBGEN Pro) for code generation, Windows workflow foundation, Mono for Android (Developing Android and IPhone apps in .NET), Also have experience in other web development technologies like PHP, Java. I am very passionate about coding. I love to do coding in .Net I have great logical ability with R & D Skills. Involved in numerous corporate and personal projects using various technology and alike, such as ASP.NET, DotNetNuke, SharePoint, Barcode, Crystal Report, Windows Mobile, SQL Server, Action Script, Adobe AIR, SMS Modem, Infragistics, etc. Here are some of my key strengths that I would bring to the position. I am: A self-starter. Disciplined. An excellent communicator. Very willing and eager to learn new things. You will find me well spoken, energetic, confident, and personable, the type of the person where you can show trust on me. Specialties: Web development, . Net 4. 0, 3. 5, 2. 0, WCF, WPF, Sql Server 2005-08, MySql, C#, Jquery, Ajax, Javascript, Telerik Control, Deveexpress, NopCommerce customization, Html 5, CSS 3.  less

    php seo social-media-marketing wordpress dotnetnuke .net-framework asp.net mysql sql embedded-linux linux-system-administration windows-administration facebook-marketing joomla magento 00 more less
    • $20.00 HOURLY RATE
    • 4.5
    • 982 HOURS
    • INDIA
    • LAST ACTIVE
    • 4 PORTFOLIO ITEMS
    • 13 TESTS
    ASSOCIATED WITH:
  • Cloud Amazon, AWS EC2 S3 SES RDS, Video Stream, Linux Windows VMware

    Working in the field of Cloud Computing, Linux & Windows Server Administration, Video Streaming, RTMP & HLS streaming, Apachi & IIS web services, VMware vSphare & ESX and Amazon Web Services (AWS) from last three years. I successfully designed, implemented and deployed Cloud Based … more

    Working in the field of Cloud Computing, Linux & Windows Server Administration, Video Streaming, RTMP & HLS streaming, Apachi & IIS web services, VMware vSphare & ESX and Amazon Web Services (AWS) from last three years. I successfully designed, implemented and deployed Cloud Based Applications by using the Amazon EC2, VPC, CloudWatch, S3, CloudFront, SES, SNS, RDS, Cloud Formation, Cloud Search, Route53, Cloud Import Export, IAM, VPC Services, PHP, MySQL, MS-SQL, ASPnet, Wordpress, JW Player, Flow Player. I have sound knowledge of Cloud Computing and Experience of handling and maintaining Amazon EC2 Server especially windows and Linux based. I am also providing consultancy about Cloud Security and setup to the different big clients of USA and Australia. Recently I have deployed web based and Desktop Based Cloud EHR for one of the largest growing USA company MTBC (http://www.mtbc.com/ehr-deployment.aspx). I designed architecture of hosted solution to deploy desktop and web based MTBC-EHR to client by using the concept of Cloud Computing for one of fastest growing company of USA (www.mtbc.com). I Successfully done research, implementation and deployed different Software by working in in the field of cloud computing. 1. Successfully deployed Desktop Applications in Cloud Based hosted Environment for our Remote Clients in USA. 2. Successfully deployed Web Based application in the Cloud by using the Amazon Web Services. 3. Designed Multi Server More Secure and optimized Architecture for deployment of our Applications to different hospital (Practices) of USA. 4. Implemented fully automated snapshot, AMI, Auto Scaling, Cloud Watch Alarms creation and Virtual Cloud Network. 5. Designed and implemented fail-over backup setup for Cloud Server to other Region of Amazon AWS which is fully synchronized with the original Servers. 5. Worked on Auto scaling to minimize the costs and maximize the cloud resource utilization. 6. Provide expert technical architectural support and guidance for Cloud Based(Hosted) MTBC-EHR opportunities, including integration into existing management and monitoring systems for MTBC (www.mtbc.com). 7. Primary Responsible for MTBC Cloud Servers maintenance, deployment of software to new clients. I also have done projects on video/Audio hosting, WOWZA, HLS, streaming by using the AWS S3, EC2, CloudFront, JW Player, CloudWatch, Route53, ASP.net, C#, MS SQL, Flow Player, Elastic Transducer, EZS3. So I can easily do your job. I also have done number of projects for cloud files and documents hosting by using S3, EC2, CloudFront, PHP, Wordpress, MySQL.  less

    video-streaming amazon-s3 amazon-web-services amazon-ec2 vmware-administration vmware-esx wowza-media-server windows-administration linux-system-administration website-development 00 more less
    • $20.00 HOURLY RATE
    • 1.8
    • 111 HOURS
    • PAKISTAN
    • LAST ACTIVE
    • 3 PORTFOLIO ITEMS
    • 2 TESTS
  • Expert Android,C++,C#,Java,Windows Phone,WPF,NET,SQL,PHP,ASP Developer

    Experienced professional with an objective to provide excellent service in a professional manner. I have multiple skills in a lot of programming languages,environments and frameworks. Very diligent, hard working and honest individual. Proficient at programming in Visual C#,Java … more

    Experienced professional with an objective to provide excellent service in a professional manner. I have multiple skills in a lot of programming languages,environments and frameworks. Very diligent, hard working and honest individual. Proficient at programming in Visual C#,Java,.Net technologies,Visual C++,ASP.net,Android application development,IPhone development. I have over 6 years of hands on development experience with C# and C++. And I have over 2 years of experience with mobile application development. I have graduated from a well known University. I have completed my bachelors in Computer Sciences. I have been developing Windows applications and mobile applications for the past 6 years.I have also worked on Database linked websites in ASP.net and PHP.I have made numerous desktop applications for windows with a very wide category. My core competency is in mobile application development and I love to make them. I have made numerous mobile apps,mostly for Android. I have also worked for software quality assurance and software testing.  less

    c++ c# java asp asp.net .net-framework ado.net microsoft-visual-studio microsoft-visual-c++ ms-visual-studio-lightswitch asp.net-mvc wpf linq linq-to-entities linq-to-sql iis sql web-design css3 javascript lisp regular-expressions crawlers entity-framework .net-compact-framework iphone-app-development website-development php graphic-design google-maps-api mobile-app-development windows-phone-7-development windows-phone xml xml-rpc xml-web-services oracle-database matlab data-analysis data-mining data-warehousing business-intelligence adobe-dreamweaver adobe-flash adobe-photoshop html5 psd-to-html eclipse assembly-language autodesk-3d-studio-max cocos2d opengl opengl-es print-layout-design website-wireframing 3d-rendering crystal-reports jquery linux-system-administration windows-forms-development windows-azure windows-administration computer-repair windev-mobile system-automation automated-testing autodesk data-scraping web-scraping html mysql xampp android-app-development software-debugging microsoft-sql-server-administration 00 more less
    • $13.33 HOURLY RATE
    • 4.8
    • 361 HOURS
    • PAKISTAN
    • LAST ACTIVE
    • 9 PORTFOLIO ITEMS
    • 7 TESTS
  • Server2012, Exchange, lync,SCVMM, SCCM,SCOM,HyperV,VMWare,Citrix,CCNA

    *MCITP, MCTS, MCSE, MCSA, CCNA Certified. Microsoft Windows 2003/ 2008/ 2012, Remote Desktop, VDI, Microsoft Active Directory, File Server, DFS, Certificate, Group Policy, Exchange 2003/2010/2013, Microsoft Lync 2010/2013, Microsoft Office 365, SCCM, SCVMM, SCOM, SCDPM, SCSM, Hyper-V … more

    *MCITP, MCTS, MCSE, MCSA, CCNA Certified. Microsoft Windows 2003/ 2008/ 2012, Remote Desktop, VDI, Microsoft Active Directory, File Server, DFS, Certificate, Group Policy, Exchange 2003/2010/2013, Microsoft Lync 2010/2013, Microsoft Office 365, SCCM, SCVMM, SCOM, SCDPM, SCSM, Hyper-V, VMware vSphere / ESXi, Citrix XEN, Forefront TMG/ Endpoint/ UAG, BackupExec, Symantec EndPoint, Kaspersky, Microsoft SQL Server, RAID, SAN * MCSA on Server 2012 * MCITP- Server & Enterprise Administrator * Microsoft Certified Technology Specialist (MCTS) * Microsoft Certified Systems Engineer (MCSE) * Microsoft Certified Systems Administrator: Messaging * MCP - Microsoft Certified Professional * DCSE - Dell Certified System Engineer * EMC Certified- Information Storage Associate (EMCISA) * Cisco Certified Network Associate (CCNA: 640-802) * CCNP Switching  less

    windows-administration microsoft-hyper-v-server microsoft-exchange-server microsoft-lync-server microsoft-sccm microsoft-scvmm vmware-esx isa-server mcp 00 more less
    • $16.67 HOURLY RATE
    • 5.0
    • 74 HOURS
    • BANGLADESH
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 1 TEST
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