Windows System Administrators & Experts

Showing 4,507 freelancers

Windows System Administrators & Experts

Showing 4,507 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, 81 Windows Administration projects are completed every quarter on oDesk.

81

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 4.75.

4.75

Last updated: February 1, 2015

  • 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:
  • Experienced Windows Technician

    Computer Professional with 20+ years of experience in Microsoft Windows Technologies. 4-Year college degree in Business Administration and Computer Science. My technical experience includes: - Remotely administering hundreds of servers in locations all over the world. - Experience with all versions of … more

    Computer Professional with 20+ years of experience in Microsoft Windows Technologies. 4-Year college degree in Business Administration and Computer Science. My technical experience includes: - Remotely administering hundreds of servers in locations all over the world. - Experience with all versions of Windows operating systems. - Experience with many Windows utilities and third party software applications. - Writing and updating technical documentation, including installation documents, and Methods and Procedures documents, related to the operating system and various software applications.  less

    windows-administration windows-xp-administration microsoft-windows-server microsoft-windows-powershell microsoft-server data-scraping web-scraping scripting scripts-and-utilities writing 00 more less
    • $40.00 HOURLY RATE
    • 5.0
    • 0 HOURS
    • UNITED STATES
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 12 TESTS
  • Mr.

     Design and implementation of Vmware ESX and ESXi Server/ Vsphere and other virtual technologies (VMotion, SVMotion, VHA, SVHA, FT, DRS, Power Management etc.)  Performs the tasks of designing Advanced Security & Management Solutions.  Design and implementation of DNS Servers, Unbound DNS … more

     Design and implementation of Vmware ESX and ESXi Server/ Vsphere and other virtual technologies (VMotion, SVMotion, VHA, SVHA, FT, DRS, Power Management etc.)  Performs the tasks of designing Advanced Security & Management Solutions.  Design and implementation of DNS Servers, Unbound DNS Server, Kerio Mail Servers, Send Mail Server, TACACS Server, CRM System, DOCSIS Cable Modem Termination System, Incognito DHCP Broadband Command Centre for CMTS.  Bandwidth management for Optical Fibre customers on Routers and Switches, Monitoring of links by using network performance monitoring tools such as Cacti, Manage Engine Netflow Analyzer, Solar Winds, Smonitor, Nagios etc  Implementation of routed & routing protocols, like OSPF, BGP, EIGRP in live environment  Worked on Cisco 2950, 2960, 3550, 3560, 3750, 6509 switches and 2500, 2600, 2800, 3600, 3700, 7200,  7600 series Routers in real environment approx. 500 Hours.  Implementation of (VLANs, VTP, RSTP, MSTP, ETHERCHANNEL, INTER VLAN ROUTING, HSRP, PRIVATE VLAN, SWITCH PORT SECURITY)  Design and implementation of VPNs ( Site-Site, Remote Access, DMVPN, IPSec over GRE, Get Vpn)  Design and implementation of MPLS VPNs  Management of CAR on routers and switches by rate limited feature  Design and implementation of (AAA with Local & Remote ACS Server, 802.1 x authentications, Proxy Authentication).  Design and Implementation of Microsoft Active Directory 2003 based on Microsoft best practices. Implementation of Anti virus Servers (Kaspersky, Sophos) in a medium sized company  Design and Implement SAMBA server using LDAP authentication for LAN users.  Design and Implementation of Send Mail Servers, MS Exchange e Server 2003/2007 based on Microsoft best practices.  Design and Implements SQUID 2.4, 3.1 Proxy Server based on Centos, Red Hat OS.  Implementation of different Network Performance monitoring tools such as (Cacti, Net Flow, Manage Engine OpUtils, SMonitor, Solar Winds, Nagios, JFF) to monitor WAN devices and different servers to optimize network resources and traffic.  Design and implementation of SIP on cisco voice gateways.  Design and implementation of MPLS VPNs  Support and Maintain Cisco Core Routers 7206VXR. 7600 Series, 2800 Series, small business series RV042, RV082 for vpn connectivity.  Supporting and Managing HEC Cisco Core and Edge Switching network.  Design and Implements SQUID 2.4, 3.1 Proxy Server based on Centos for differnet clients.  Deploy cacti, solar wind, cisco works Monitoring System to monitor Network and Bandwidth Usage.  Management of CAR on routers and switches by rate limited feature.  Design of Networking Infrastructure and resource sharing solution. The project covered the design of networking system, Servers, and applications in Windows 2003 environments. The project used TCP/IP as Network protocols and Star Topology.  Conduct Surveys on client sites and create project proposal and layouts for networks deployment and implementation.  Design and Implementation of BGP/MPLS, Traffic Engineering, Policy Based Routing PBR, Route Filtering, Redistribution, Route Summarization.  Catalyst IOS based Switches, VTP, STP, RSTP, Trunking, VLANs,  Layer 3 Switches, Logical Etherchannels, MLS.  IPSec, VPNs, AAA Model (RADIUS, TACACS+, Kerberos), Cisco PIX / ASA  Firewall, VPN Client, Juniper Firewall SSG5, SSG20  Design and Implementation of Incognito DHCP Server for assigning bandwidth to cable modem customers.  Media: Ethernet, FastEthernet, GigabitEthernet, FDDI, CDDI, Token Ring, ATM LAN Emulation.  Network Analyzers: Back Track 5 , Ethereal, Paketyzer, Radcom, Etherpeek.  Load Generator: Spirent Smart Bits, iperf, IPTraffic.  Leased lines 64k - 155Mb (PPP / HDLC), Channelized lines (E1 ), Fibre Optic Circuits, Frame Relay, xDSL, Load Balancing, Multi Homing, Satellite links. I also have extensive experience in following  Linux & Windows Integration in TCP environments  Expertise Linux Redhat, Ubuntu, SUSE, Centos, Debian, Slackware and Solaris Systems  Expertise in SQUID Proxy server. DNS Server, DHCP, Send Mail, Kerio Mail Server.  VMware ESX Server, Virtual Center, Distributed Resource Scheduling (DRS), VMware Data Backup , VMware Converter, VMotion, SVMotion, VHA, SVHA, FT, DRS, Power Management etc.  less

    asterisk linux-system-administration dns mail-server-implementation squid pfsense dhcp network-security solaris-administration windows-administration microsoft-exchange-server samba cisco-asa cisco-routers juniper-routers vpn mpls vmware-esx sendmail 00 more less
    • $16.67 HOURLY RATE
    • 4.8
    • 147 HOURS
    • PAKISTAN
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 3 TESTS
  • MCITP, Juniper Associate, ITIL Certified

    Professional experience over 14 years of experience in the IT with comprehensive business/technical skills in Microsoft Technologies, Open Platform Technologies, Systems Integration, Requirements Analysis, & Project Management; Result oriented decisive leader to maintain high quality standards to meet challenges of … more

    Professional experience over 14 years of experience in the IT with comprehensive business/technical skills in Microsoft Technologies, Open Platform Technologies, Systems Integration, Requirements Analysis, & Project Management; Result oriented decisive leader to maintain high quality standards to meet challenges of this fast paced, high turn industry; persuasive communicator with exceptional relationship management skills with the ability to relate to people at any level of business and management; Adroit at analyzing the organizational requirements Skills and Experties OPERATING SYSTEMS • Microsoft Windows 2008 Server, Win2003 Server and Workstation, WinNT 4.0, Windows 7, Windows 98, ME, & earlier versions, with Dos 6.22. Portal & Applications • Microsoft SharePoint 2010, Microsoft Exchange Server 2010, Microsoft ISA Server, Microsoft SQL Server, Active Directory, DNS, FTP, IIS 7, Hyper V. Capital TV March31-To-Present IT In-charge Managing the IT Team for smooth channel daily operations including System Administration of Windows Server 2008 with Active Directory with domain policy, File Server, Microsoft TMG Server, Symantec Endpoint Security Antivirus for Server and client, Symantec Backup Exec for backup of data servers and clients. FTP Server management. Tandberg LTO 6 with Symantec Backup Exec. Omneon MediaGrid and Media Hub. Configuration of Cisco Small Business Router and Juniper SRX-100 and planning for Internet over fiber connectivity. PROFESSIONAL EXPERIENCE AND ACHIEVEMENTS SAPPHIRE CONSULTING SERVICES Nov-2006 – To-March31 Manager Managed Services Heading the Networking and support team at Sapphire. Responsible for improving the systems at Sapphire. Facility provides to consultants for access the clients systems remotely and Head office servers. Also responsible for managed Services in offshore markets along with other Sapphire ERP and Custom development services. Responsibilities include designing & deployment of Network Infrastructure of Clients, and project management of the clients. Following are the clients list. CLIENTS NAME: 1. Al-Abbass Group 2. Network Microfinance Bank 3. HUM Networks [Hum Tv], [Masala Tv], [Style360] 4. SBOS (Government of Sindh) Project 5. IoBM (College of Business Management) Project IoBM (College of Business Mangement) Project October,12-to-March31 PeopleSoft Campus Solution • Installation and configuration of Oracle Linux 5.8. SBOS (Government of Sindh) Project October,12-to-March31 Infrastructure Administrator • Designing and Deployment of Data Centre. • Server Racks IBM 42U with PDU. • IBM x3500 m3 Servers mounting and Configuration. • IBM Storage DS 3500. • IBM Tap Library TS-2900 • Cisco Switches 2960-S • Cisco ASA 5510. HUM NETWORKS Feb-2008-To-July-2012 IT Manager Job Responsibilities: • Redesign the Infrastructure of the organization. • Deployment of Windows Server 2003 with Domain Controller. • Successfully run the entire directory with domain policies. • Deployment of Client Server Antivirus. • Deployment of MDaemon Server for Email Services. • Smoothly running of 1000+ users on email server. • Network Monitoring through SolarWind. • Management of Team members in network and systems department. • Prepare and document data backup and recovery plan • Co-ordinate and communicate with vendors and all involved parties to execute the task/project • Procurement and Management of Software licensing • Information Technology Policies • Implement General Computer Controls as advised by the management of the Company. • Configuration of LTO-4 with Press store 4.0 • Configuration of Juniper Firewall SSG5. • Configuration of 1800 Router. NETWORK MICRO FINANCE BANK Feb-2008-June 2012 Project Manager Job Responsibilities. Supervise technical staff including hiring, training, assigning work and conducting performance reviews. • Plan and document Information Technology and Network infrastructure, including firewalls and Wi-Fi setup • Information Technology Policies • Co-ordinate and communicate with vendors and all involved parties to execute the task/project  less

    microsoft-active-directory itil juniper-routers linux-system-administration ibm-storage vmware-esx wireless-network-implementation web-content-management microsoft-exchange-server isa-server ldap sendmail postfix squid dhcp domain-migration cpanel plesk windows-administration sip computer-maintenance open-office microsoft-excel hardware-troubleshooting cisco-routers vmware-administration microsoft-visio google-apps data-backup data-center-operations vpn 00 more less
    • $11.11 HOURLY RATE
    • NO FEEDBACK GIVEN
    • 0 HOURS
    • PAKISTAN
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 2 TESTS
  • System administrator

    Hi This is tanvir, I am used to work with Linux and windows system environment science 2006. I used to work with the followings 1. Linux/windows based email servers, 2. Windows based Domain set up and management. 3. User … more

    Hi This is tanvir, I am used to work with Linux and windows system environment science 2006. I used to work with the followings 1. Linux/windows based email servers, 2. Windows based Domain set up and management. 3. User rights and policy setup and deployment. 4. Linux/windows based file server deployment and management. 5. Ability to work with file backup and restore both in Linux and windows based server. 6. Ability to work with WSUS server, 7. Ability to work with web server. 8. Ability to work ith DELL, HP IBM based servers.  less

    linux-system-administration windows-administration embedded-linux microsoft-windows-server windows-7-administration 00 more less
    • $8.40 HOURLY RATE
    • NO FEEDBACK GIVEN
    • 0 HOURS
    • BANGLADESH
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 0 TESTS
  • Database and Network Administrator

    I am OCP 10g DBA certified, MCSE 2003 certified, have trainings of CCNA and CCDA. I have professional experience of managing LAN and ORACLE of about 10 years. It includes ORACLE Installation ,its BACKUP and Recovery. In LAN management I … more

    I am OCP 10g DBA certified, MCSE 2003 certified, have trainings of CCNA and CCDA. I have professional experience of managing LAN and ORACLE of about 10 years. It includes ORACLE Installation ,its BACKUP and Recovery. In LAN management I have expertise in Linux Samba, NFS, Linux Installation and management, I can compile Linux source code and can customize it for different plate forms. In Windows I have expertise in Installation, ISA Server, Wingate, Exchange Server administration. I have been teaching the courses of ORACLE and networks at university level .  less

    oracle-database windows-xp-administration windows-7-administration windows-8-administration windows-administration linux-system-administration embedded-linux 00 more less
    • $11.11 HOURLY RATE
    • NO FEEDBACK GIVEN
    • 0 HOURS
    • PAKISTAN
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 0 TESTS
  • Remote Technician -Computer maintenance-technical support-server Admin

    I have acquired valuable experience in all facets of troubleshooting, installations, and maintenance for various desktop operations, hardware, software, and network environments. I possess a unique talent for delivering highly complex technical information into terms and concepts that the end … more

    I have acquired valuable experience in all facets of troubleshooting, installations, and maintenance for various desktop operations, hardware, software, and network environments. I possess a unique talent for delivering highly complex technical information into terms and concepts that the end users can readily grasp. Furthermore, I am multitask oriented, self-starter, enjoy challenge, and continually stay abreast of the latest advancements in Computer Engineering. Knowledgeable for installation of operating systems like windows XP, Vista, and Windows 7,8. Software Installation/removal. hardware/Software Troubleshooting. Trained for client email troubleshooting like, Outlook Express, Microsoft Outlook, Windows Mail, Thunderbird and web mail like yahoo, msn, etc also i have some knowledge in servers 2003,2008,Linux servers. Web Server IIS, Database Server MSSQL  less

    computer-maintenance computer-repair computer-networking technical-support windows-administration iis microsoft-sql-server-administration plesk hardware-troubleshooting firewalls 00 more less
    • $15.00 HOURLY RATE
    • 5.0
    • 4 HOURS
    • INDIA
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 4 TESTS
    ASSOCIATED WITH:
  • Data entry, windows related work, Mainframe work

    Hi there, I am a passionate person for work and enthusiastic. Hardworker and dedicated to work. I am here to work full time.

    jcl windows-administration 00 more less
    • $3.40 HOURLY RATE
    • NO FEEDBACK GIVEN
    • 0 HOURS
    • INDIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 0 TESTS
  • System Administrator/IT professonal/WordPress developer

    I am a highly motivated and confident individual who enjoys facing challenging situations, Enthusiasm coupled with capability of grasping new concepts and principles within acceptable time where I can utilize my ● I always been key strengths resulting in adaptability and … more

    I am a highly motivated and confident individual who enjoys facing challenging situations, Enthusiasm coupled with capability of grasping new concepts and principles within acceptable time where I can utilize my ● I always been key strengths resulting in adaptability and devotion to work. Possess an ability of communicating ideas and views in a convincing manner. Identified to take up the challenges in coordinating and creating positive environment and culture whilst living the values. ● The specialty in the IT background will enhance my technical skills, as well as through the development of leadership & management qualities that I gained from different backgrounds can be used to success of any given project. _________________________________________________________________________________ SKILLS SUMMARY ■ Possess good Public Relation and Presentation Skills. ■ Web development and administration. ■ Network and System Administration support, telecommunications support, customer assistance support, and coordination ■ Retains good skills in computer hardware maintenance and repairs. ■ Creative problem-solver. ■ High level of HR skills with Ad-hoc decision making ability. ■ Rigorous, quality-conscious contributor with solid analytical thinking and writing skills. ■ Fast learner and an energetic team player. ■ Fluent in English, Sinhala and Tamil languages. TECHNICAL EXPERTISE  Platforms: Microsoft Windows NT/2000/2003/2008, Windows 7/8, Domain Controllers, Active Directory, Group Policies, Linux and Mac OS X  Networking: LAN / WAN Administration TCP/IP, Telnet, VPN, Wireless, DNS, DHCP and Cabling, CCTV installation and configuration  Languages: PHP, MS SQL, Oracle PL/SQL, HTML, DHTML, JavaScript, VB Script  Hardware: Routers, Switches, Laptops, Network Cards, Printers, Memory and VoIP Phone Systems  Tools: Bomgar, LogMeIn Rescue, VMware (Workstation, Fusion), VPN, Microsoft Office Suite (Word, Excel, PowerPoint, Visio, Outlook, Project, Access) Adobe Photoshop, Virus- Removal, Backup and Disaster Recovery tools, ASPECT (Contact Centre Management tool) I am looking for PC troubleshooting Windows xp/vista/7/8 WordPress Development. Data Entry and analyzing ( Microsoft office,PDF,WWW...). Microsoft office support Virus issue trouble shooting. Smart phone(Blackberry,Apple i-phone,Android) support and trouble shooting. Windows,Mac Backups and recovery.  less

    php windows-administration virus-removal adobe-photoshop microsoft-word microsoft-powerpoint windows-xp-administration data-entry microsoft-excel wordpress 00 more less
    • $3.00 HOURLY RATE
    • NO FEEDBACK GIVEN
    • 3 HOURS
    • SRI LANKA
    • LAST ACTIVE
    • 3 PORTFOLIO ITEMS
    • 5 TESTS
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